687 lines
17 KiB
Vue
687 lines
17 KiB
Vue
<template>
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<view class="uni-field" :class="{ 'uni-border-top': borderTop, 'uni-border-bottom': borderBottom }" :style="[fieldStyle]">
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<view class="uni-field-inner" :class="[type == 'textarea' ? 'uni-textarea-inner' : '', 'uni-label-postion-' + labelPos]">
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<view :class="errorTop ? 'uni-error-in-label' : ''">
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<view class="uni-field-label" :class="[required ? 'uni-required' : '']" :style="{
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justifyContent: justifyContent,
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width: labelWid + 'px',
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marginBottom: labelMarginBottom
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}">
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<view class="uni-icon-wrap" v-if="leftIcon">
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<uni-icons size="16" :type="leftIcon" :color="iconColor" />
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</view>
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<slot name="leftIcon"></slot>
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<text class="uni-label-text" :class="[leftIcon ? 'uni-label-left-gap' : '']">{{ label }}</text>
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</view>
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<view v-if="errorTop" class="uni-error-message" :style="{ paddingLeft: '4px' }">{{ msg }}</view>
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</view>
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<view class="fild-body" :class="[inputBorder ? 'uni-input-border' : '']" :style="[borderEixstTextareaStyle]">
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<view class="uni-flex-1 uni-flex" :style="[inputWrapStyle]">
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<textarea v-if="type == 'textarea'" class="uni-flex-1 uni-textarea-class" :name="name" :value="value" :placeholder="placeholder"
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:placeholderStyle="placeholderStyle" :disabled="disabled" :maxlength="inputMaxlength" :focus="focus" :autoHeight="autoHeight"
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@input="onInput" @blur="onBlur" @focus="onFocus" @confirm="onConfirm" @tap="fieldClick" />
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<input
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v-else
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:type="type"
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class="uni-flex-1 uni-field__input-wrap"
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:name="name"
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:value="value"
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:password="password || this.type === 'password'"
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:placeholder="placeholder"
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:placeholderStyle="placeholderStyle"
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:disabled="disabled"
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:maxlength="inputMaxlength"
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:focus="focus"
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:confirmType="confirmType"
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@focus="onFocus"
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@blur="onBlur"
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@input="onInput"
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@confirm="onConfirm"
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@tap="fieldClick"
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/>
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<uni-icons :size="clearSize" v-if="clearable && value != ''" type="clear" color="#c0c4cc" @click="onClear" class="uni-clear-icon" />
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</view>
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<view class="uni-button-wrap"><slot name="right" /></view>
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<uni-icons v-if="rightIcon" size="16" @click="rightIconClick" :type="rightIcon" color="#c0c4cc" :style="[rightIconStyle]" />
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</view>
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</view>
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<view
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v-if="errorBottom"
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class="uni-error-message"
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:style="{
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paddingLeft: Number(labelWid) + 4 + 'px'
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}"
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>
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{{ msg }}
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</view>
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</view>
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</template>
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<script>
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/**
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* Field 输入框
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* @description 此组件可以实现表单的输入与校验，包括 "text" 和 "textarea" 类型。
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* @tutorial https://ext.dcloud.net.cn/plugin?id=21001
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* @property {String } type 输入框的类型（默认text）
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* @property {Boolean} required 是否必填，左边您显示红色"*"号（默认false）
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* @property {String } leftIcon label左边的图标，限uni-ui的图标名称
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* @property {String } iconColor 左边通过icon配置的图标的颜色（默认#606266）
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* @property {Boolean} rightIcon 输入框右边的图标名称，限uni-ui的图标名称（默认false）
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* @property {String } label 输入框左边的文字提示
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* @property {Number } labelWidth label的宽度，单位px（默认65）
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* @property {String } labelAlign label的文字对齐方式（默认left）
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* @property {String } labelPosition label的文字的位置（默认left）
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* @property {Boolean} clearable 是否显示右侧清空内容的图标控件(输入框有内容，且获得焦点时才显示)，点击可清空输入框内容（默认true）
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* @property {String } placeholder 输入框的提示文字
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* @property {String } placeholderStyle placeholder的样式(内联样式，字符串)，如"color: #ddd"
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* @property {Boolean} password 是否密码输入方式(用点替换文字)，type为text时有效（默认false）
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* @property {Boolean} focus 是否自动获得焦点（默认false）
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* @property {Boolean} disabled 是否不可输入（默认false）
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* @property {Number } maxlength 最大输入长度，设置为 -1 的时候不限制最大长度（默认140）
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* @property {String } confirmType 设置键盘右下角按钮的文字，仅在type="text"时生效（默认done）
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* @property {String } errorMessage 显示的错误提示内容，如果为空字符串或者false，则不显示错误信息
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* @property {Number } clearSize 清除图标的大小，单位px（默认15）
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* @property {Boolean} trim 是否自动去除两端的空格
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* @property {String } name 表单域的属性名，在使用校验规则时必填
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* @property {Array } rules 单行表单验证规则，接受一个数组
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* @property {Boolean} inputBorder 是否显示input输入框的边框（默认false）
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* @property {Boolean} border-bottom 是否显示field的下边框（默认true）
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* @property {Boolean} border-top 是否显示field的上边框（默认false）
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* @property {Boolean} auto-height 是否自动增高输入区域，type为textarea时有效（默认true）
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* @event {Function} input 输入框内容发生变化时触发
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* @event {Function} focus 输入框获得焦点时触发
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* @event {Function} blur 输入框失去焦点时触发
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* @event {Function} confirm 点击完成按钮时触发
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* @event {Function} right-icon-click 通过right-icon生成的图标被点击时触发
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* @event {Function} click 输入框被点击或者通过right-icon生成的图标被点击时触发，这样设计是考虑到传递右边的图标，一般都为需要弹出"picker"等操作时的场景，点击倒三角图标，理应发出此事件，见上方说明
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* @example <uni-field v-model="mobile" label="手机号" required :error-message="errorMessage"></uni-field>
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*/
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export default {
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name: 'uni-field',
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props: {
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// rules:{
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// type:Array,
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// default(){
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// return []
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// }
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// },
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trigger: {
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type: String,
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default: ''
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},
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leftIcon: String,
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rightIcon: String,
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required: Boolean,
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label: String,
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password: Boolean,
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clearable: {
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type: Boolean,
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default: true
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},
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// 左边标题的宽度单位px
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labelWidth: {
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type: [Number, String],
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default: ''
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},
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// 对齐方式，left|center|right
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labelAlign: {
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type: String,
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default: ''
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},
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iconColor: {
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type: String,
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default: '#606266'
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},
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autoHeight: {
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type: Boolean,
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default: true
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},
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errorMessage: {
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type: [String, Boolean],
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default: ''
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},
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placeholder: String,
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placeholderStyle: String,
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focus: Boolean,
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name: String,
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value: [Number, String],
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type: {
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type: String,
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default: 'text'
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},
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disabled: {
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type: Boolean,
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default: false
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},
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maxlength: {
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type: [Number, String],
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default: 140
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},
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confirmType: {
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type: String,
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default: 'done'
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},
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// lable的位置，可选为 left-左边，top-上边
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labelPosition: {
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type: String,
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default: ''
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},
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// 清除按钮的大小
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clearSize: {
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type: [Number, String],
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default: 15
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},
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// 是否显示 input 边框
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inputBorder: {
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type: Boolean,
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default: false
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},
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// 是否显示上边框
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borderTop: {
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type: Boolean,
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default: false
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},
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// 是否显示下边框
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borderBottom: {
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type: Boolean,
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default: true
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},
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// 是否自动去除两端的空格
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trim: {
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type: Boolean,
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default: true
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}
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},
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data() {
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return {
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focused: false,
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itemIndex: 0,
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errorTop: false,
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errorBottom: false,
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labelMarginBottom: '',
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errorWidth: '',
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errMsg: '',
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errorBorderColor: false,
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val: '',
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labelPos: '',
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labelWid: '',
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labelAli: ''
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};
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},
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computed: {
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msg() {
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return this.errorMessage || this.errMsg;
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},
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fieldStyle() {
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let style = {};
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if (this.labelPos === 'top') {
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style.padding = '10px 14px';
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this.labelMarginBottom = '6px';
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}
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if (this.labelPos === 'left' && this.msg !== false && this.msg !== '') {
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style.paddingBottom = '0px';
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this.errorBottom = true;
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this.errorTop = false;
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} else if (this.labelPos === 'top' && this.msg !== false && this.msg !== '') {
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this.errorBottom = false;
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this.errorTop = true;
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} else {
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// style.paddingBottom = ''
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this.errorTop = false;
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this.errorBottom = false;
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}
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return style;
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},
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borderEixstTextareaStyle() {
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let style = {};
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if (this.inputBorder) {
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if (this.type === 'textarea') {
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style.minHeight = '60px';
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}
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if (this.msg !== false && this.msg != '') {
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style.borderColor = '#dd524d';
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}
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}
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return style;
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},
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inputWrapStyle() {
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let style = {};
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// 判断lable的位置，如果是left的话，让input左边两边有间隙
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if (this.labelPos == 'left') {
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style.margin = `0 4px`;
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} else {
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// 如果lable是top的，input的左边就没必要有间隙了
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style.marginRight = `4px`;
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// this.fieldStyle.style.padding = '10px 14px'
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}
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return style;
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},
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rightIconStyle() {
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let style = {};
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if (this.arrowDirection == 'top') style.transform = 'roate(-90deg)';
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if (this.arrowDirection == 'bottom') style.transform = 'roate(90deg)';
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else style.transform = 'roate(0deg)';
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return style;
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},
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labelStyle() {
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let style = {};
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if (this.labelAli == 'left') style.justifyContent = 'flext-start';
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if (this.labelAli == 'center') style.justifyContent = 'center';
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if (this.labelAli == 'right') style.justifyContent = 'flext-end';
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return style;
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},
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// uni不支持在computed中写style.justifyContent = 'center'的形式，故用此方法
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justifyContent() {
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if (this.labelAli == 'left') return 'flex-start';
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if (this.labelAli == 'center') return 'center';
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if (this.labelAli == 'right') return 'flex-end';
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},
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// 因为uniapp的input组件的maxlength组件必须要数值，这里转为数值，给用户可以传入字符串数值
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inputMaxlength() {
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return Number(this.maxlength);
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},
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// label的位置
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fieldInnerStyle() {
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let style = {};
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if (this.labelPos == 'left') {
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style.flexDirection = 'row';
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} else {
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style.flexDirection = 'column';
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}
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return style;
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}
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},
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watch: {
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trigger(trigger) {
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this.formTrigger = trigger;
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}
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},
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created() {
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this.form = this.getForm();
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this.formRules = [];
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this.formTrigger = this.trigger;
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this.init();
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},
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methods: {
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/**
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* 初始化变量值
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*/
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init() {
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if (this.form) {
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this.form.childrens.push(this);
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this.labelPos = this.labelPosition ? this.labelPosition : this.form.labelPosition;
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this.labelWid = this.labelWidth ? this.labelWidth : this.form.labelWidth;
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this.labelAli = this.labelAlign ? this.labelAlign : this.form.labelAlign;
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if (this.form.formRules) {
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this.formRules = this.form.formRules[this.name];
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}
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this.validator = this.form.validator;
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if(this.name){
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this.form.formData[this.name] = this.value || '';
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}
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} else {
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this.labelPos = this.labelPosition || 'left';
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this.labelWid = this.labelWidth || 65;
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this.labelAli = this.labelAlign || 'left';
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}
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},
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/**
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* 获取父元素实例
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*/
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getForm() {
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let parent = this.$parent;
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let parentName = parent.$options.name;
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while (parentName !== 'uniForms') {
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parent = parent.$parent;
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if (!parent) return false;
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parentName = parent.$options.name;
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}
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return parent;
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},
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/**
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* 移除该表单项的校验结果
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*/
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clearValidate() {
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this.errMsg = '';
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},
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/**
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* 父组件处理函数
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* @param {Object} callback
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*/
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parentVal(callback) {
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if (this.type === 'number') {
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this.val = this.val === '' ? this.val : Number(this.val);
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}
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typeof callback === 'function' &&
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callback(
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{
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[this.name]: this.val
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},
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this.name
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);
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},
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/**
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* 触发校验
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* @param {Object} trigger
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* @param {Object} value
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*/
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triggerValidator(trigger, value) {
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let isValid = false;
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// 如果 name 不存在，则不开启校验
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this.formRules &&
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this.formRules.rules &&
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this.formRules.rules.forEach(item => {
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item.trigger = this.isTrigger(this.form.formTrigger, this.formTrigger, item.trigger);
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if (item.trigger !== trigger || item.trigger === 'submit') return;
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isValid = true;
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});
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isValid && this.triggerCheck(value);
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},
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/**
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* 校验规则
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* @param {Object} value
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*/
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triggerCheck(value, item) {
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// 输入值为 number
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if (this.type === 'number') {
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value = value === '' ? value : Number(value);
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}
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const result = this.validator.validateUpdate({
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[this.name]: value
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});
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this.errMsg = !result ? '' : result.errorMessage;
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this.form.validateCheck(result);
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},
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/**
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* 触发时机
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* @param {Object} event
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*/
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isTrigger(parentRule, itemRlue, rule) {
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let rl = 'none';
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if (rule) {
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rl = rule;
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} else if (itemRlue) {
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rl = itemRlue;
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} else if (parentRule) {
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rl = parentRule;
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} else {
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rl = 'blur';
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}
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return rl;
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},
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onInput(event) {
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let value = event.detail.value;
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// 判断是否去除空格
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if (this.trim) value = this.trimStr(value);
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this.form.formData[this.name] = value || '';
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this.val = value;
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this.$emit('input', value);
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// 校验输入
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this.triggerValidator('change', value);
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},
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onFocus(event) {
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this.focused = true;
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this.$emit('focus', event);
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},
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onBlur(event) {
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let value = event.detail.value;
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// 最开始使用的是监听图标@touchstart事件，自从hx2.8.4后，此方法在微信小程序出错
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// 这里改为监听点击事件，手点击清除图标时，同时也发生了@blur事件，导致图标消失而无法点击，这里做一个延时
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setTimeout(() => {
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this.focused = false;
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}, 100);
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this.$emit('blur', event);
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// 校验输入
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this.triggerValidator('blur', value);
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},
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onConfirm(e) {
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this.$emit('confirm', e.detail.value);
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},
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onClear(event) {
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this.val = '';
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this.$emit('input', '');
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this.clearValidate();
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},
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rightIconClick() {
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this.$emit('right-icon-click');
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this.$emit('click');
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},
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fieldClick() {
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this.$emit('click');
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},
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trimStr(str, pos = 'both') {
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if (pos == 'both') {
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return str.replace(/^\s+|\s+$/g, '');
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} else if (pos == 'left') {
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return str.replace(/^\s*/, '');
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} else if (pos == 'right') {
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return str.replace(/(\s*$)/g, '');
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} else if (pos == 'all') {
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return str.replace(/\s+/g, '');
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} else {
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return str;
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}
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}
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}
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};
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</script>
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<style lang="scss" scoped>
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.uni-field {
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padding: 16px 14px;
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text-align: left;
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color: #333;
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font-size: 14px;
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background-color: #fff;
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}
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.uni-field-inner {
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display: flex;
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align-items: center;
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}
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.uni-textarea-inner {
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align-items: flex-start;
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}
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.uni-textarea-class {
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min-height: 48px;
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width: auto;
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font-size: 14px;
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}
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.fild-body {
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width: 100%;
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display: flex;
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flex: 1;
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align-items: center;
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}
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.uni-arror-right {
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margin-left: 4px;
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}
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.uni-label-text {
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display: inline-block;
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}
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.uni-label-left-gap {
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margin-left: 3px;
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}
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.uni-label-postion-top {
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flex-direction: column;
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align-items: flex-start;
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flex: 1;
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}
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.uni-field-label {
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width: 65px;
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flex: 1 1 65px;
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text-align: left;
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position: relative;
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display: flex;
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align-items: center;
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}
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.uni-required::before {
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content: '*';
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position: absolute;
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left: -8px;
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font-size: 14px;
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color: $uni-color-error;
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height: 9px;
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line-height: 1;
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}
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.uni-field__input-wrap {
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position: relative;
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overflow: hidden;
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font-size: 14px;
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height: 24px;
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flex: 1;
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width: auto;
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}
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.uni-clear-icon {
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display: flex;
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align-items: center;
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}
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.uni-error-message {
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line-height: 12px;
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padding-top: 2px;
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padding-bottom: 2px;
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color: $uni-color-error;
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font-size: 12px;
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text-align: left;
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}
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.uni-input-error-border {
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border-color: $uni-color-error;
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}
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.placeholder-style {
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color: rgb(150, 151, 153);
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}
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.uni-input-class {
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font-size: 14px;
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}
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.uni-button-wrap {
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margin-left: 4px;
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}
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/* start--Retina 屏幕下的 1px 边框--start */
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.uni-border,
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.uni-border-bottom,
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.uni-border-left,
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.uni-border-right,
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.uni-border-top,
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.uni-border-top-bottom {
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position: relative;
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}
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.uni-border-bottom:after,
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.uni-border-left:after,
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.uni-border-right:after,
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.uni-border-top-bottom:after,
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.uni-border-top:after,
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.uni-border:after {
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/* #ifndef APP-NVUE */
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content: ' ';
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/* #endif */
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position: absolute;
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left: 0;
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top: 0;
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pointer-events: none;
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box-sizing: border-box;
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-webkit-transform-origin: 0 0;
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transform-origin: 0 0;
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// 多加0.1%，能解决有时候边框缺失的问题
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width: 199.8%;
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height: 199.7%;
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transform: scale(0.5, 0.5);
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border: 0 solid $uni-border-color;
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z-index: 2;
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}
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.uni-input-border {
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min-height: 34px;
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padding-left: 4px;
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border: 1px solid $uni-border-color;
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border-radius: 6px;
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box-sizing: border-box;
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}
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.uni-border-top:after {
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border-top-width: 1px;
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}
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.uni-border-left:after {
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border-left-width: 1px;
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}
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.uni-border-right:after {
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border-right-width: 1px;
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}
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.uni-border-bottom:after {
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border-bottom-width: 1px;
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}
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.uni-border-top-bottom:after {
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border-width: 1px 0;
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}
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.uni-border:after {
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border-width: 1px;
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}
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/* end--Retina 屏幕下的 1px 边框--end */
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.uni-icon-wrap {
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padding-left: 3px;
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padding-right: 3px;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.uni-button-wrap {
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display: flex;
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align-items: right;
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justify-content: center;
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}
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.uni-clear-icon {
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display: flex;
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align-items: center;
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margin-left: 4px;
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}
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.uni-flex {
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/* #ifndef APP-NVUE */
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display: flex;
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/* #endif */
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flex-direction: row;
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align-items: center;
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}
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.uni-flex-1 {
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flex: 1;
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}
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.uni-error-in-label {
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display: flex;
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flex-direction: row;
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}
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</style>
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