379 lines
13 KiB
Vue
379 lines
13 KiB
Vue
<template>
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<view
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class="u-field"
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:class="[{ 'u-border-top': props.borderTop, 'u-border-bottom': props.borderBottom }, customClass]"
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:style="$u.toStyle(customStyle)"
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>
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<view
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class="u-field-inner"
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:class="[props.type === 'textarea' ? 'u-textarea-inner' : '', 'u-label-postion-' + props.labelPosition]"
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>
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<view
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class="u-label"
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:class="[props.required ? 'u-required' : '']"
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:style="{
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justifyContent: justifyContent,
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flex: props.labelPosition === 'left' ? `0 0 ${props.labelWidth}rpx` : '1'
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}"
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>
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<view class="u-icon-wrap" v-if="props.icon">
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<u-icon
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size="32"
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:custom-style="props.iconStyle"
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:name="props.icon"
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:color="props.iconColor"
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class="u-icon"
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></u-icon>
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</view>
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<slot name="icon"></slot>
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<text class="u-label-text" :class="[$slots.icon || props.icon ? 'u-label-left-gap' : '']">
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{{ props.label }}
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</text>
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</view>
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<view class="fild-body">
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<view class="u-flex-1 u-flex u-field-input-wrap" :style="[inputWrapStyle]">
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<textarea
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v-if="props.type === 'textarea'"
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class="u-flex-1 u-textarea-class"
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:style="$u.toStyle(props.fieldStyle)"
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:value="inputValue"
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:placeholder="String(props.placeholder)"
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:placeholderStyle="props.placeholderStyle"
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:disabled="props.disabled"
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:maxlength="inputMaxlength"
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:focus="props.focus"
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:autoHeight="props.autoHeight"
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:fixed="props.fixed"
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@input="onInput"
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@blur="onBlur"
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@focus="onFocus"
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@confirm="onConfirm"
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@tap="fieldClick"
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/>
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<!-- prettier-ignore -->
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<input
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v-else
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class="u-flex-1 u-field__input-wrap"
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:style="$u.toStyle(props.fieldStyle)"
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:type="(props.type as any)"
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:value="inputValue"
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:password="props.password || props.type === 'password'"
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:placeholder="String(props.placeholder)"
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:placeholderStyle="props.placeholderStyle"
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:disabled="props.disabled"
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:maxlength="inputMaxlength"
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:focus="props.focus"
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:confirmType="props.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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<!-- 透明遮罩，只在disabled时显示，用于响应点击事件 -->
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<view v-if="props.disabled" class="u-field-disabled-overlay" @tap="fieldClick"></view>
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</view>
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<u-icon
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v-if="props.clearable && inputValue !== '' && focused && !props.disabled"
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:size="props.clearSize"
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name="close-circle-fill"
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color="var(--u-light-color)"
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class="u-clear-icon"
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@click="onClear"
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/>
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<view class="u-button-wrap"><slot name="right" /></view>
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<u-icon
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v-if="props.rightIcon"
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@click="rightIconClick"
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:name="props.rightIcon"
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color="var(--u-light-color)"
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:style="[rightIconStyle]"
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size="26"
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class="u-arror-right"
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/>
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</view>
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</view>
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<view
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v-if="props.errorMessage !== false && props.errorMessage != ''"
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class="u-error-message"
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:style="{
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paddingLeft: props.labelWidth + 'rpx'
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}"
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>{{ props.errorMessage }}</view
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>
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</view>
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</template>
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<script lang="ts">
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export default {
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name: 'u-field',
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options: {
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addGlobalClass: true,
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// #ifndef MP-TOUTIAO
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virtualHost: true,
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// #endif
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styleIsolation: 'shared'
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}
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};
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</script>
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<script setup lang="ts">
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import { FieldProps } from './types';
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import { ref, computed } from 'vue';
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import { $u } from '../..';
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/**
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* field 输入框
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* @description 借助此组件，可以实现表单的输入， 有"text"和"textarea"类型的，此外，借助uView的picker和actionSheet组件可以快速实现上拉菜单，时间，地区选择等， 为表单解决方案的利器。
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* @tutorial https://uviewpro.cn/zh/components/field.html
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* @property {String} type 输入框的类型（默认text）
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* @property {String} icon label左边的图标，限uView的图标名称
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* @property {Object} icon-style 左边图标的样式，对象形式
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* @property {Boolean} right-icon 输入框右边的图标名称，限uView的图标名称（默认false）
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* @property {Boolean} required 是否必填，左侧显示红色"*"号（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 {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} 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 {Number | String} label-width label的宽度，单位rpx（默认130）
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* @property {String} label-align label的文字对齐方式（默认left）
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* @property {Object} field-style 自定义输入框的样式，对象形式
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* @property {Number | String} clear-size 清除图标的大小，单位rpx（默认30）
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* @property {String} input-align 输入框内容对齐方式（默认left）
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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 {String} icon-color 左边通过icon配置的图标的颜色（默认var(--u-content-color)）
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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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* @property {String Boolean} error-message 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 {String} placeholder 输入框的提示文字
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* @property {String} placeholder-style placeholder的样式(内联样式，字符串)，如"color: var(--u-divider-color)"
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* @property {Boolean} focus 是否自动获得焦点（默认false）
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* @property {Boolean} fixed 如果type为textarea，且在一个"position:fixed"的区域，需要指明为true（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 String} 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} confirm-type 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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* @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 <u-field v-model="mobile" label="手机号" required :error-message="errorMessage"></u-field>
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*/
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const emit = defineEmits(['update:modelValue', 'input', 'focus', 'blur', 'confirm', 'right-icon-click', 'click']);
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const props = defineProps(FieldProps);
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const focused = ref(false);
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const inputValue = computed<string>(() => {
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if (props.modelValue === undefined || props.modelValue === null) return '';
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return String(props.modelValue);
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});
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const inputWrapStyle = computed(() => {
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const style: Record<string, string> = {};
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style.textAlign = props.inputAlign;
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// 判断label的位置，如果是left的话，让input左边两边有间隙
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if (props.labelPosition === 'left') {
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style.margin = '0 8rpx';
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} else {
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// 如果label是top的，input的左边就没必要有间隙了
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style.marginRight = '8rpx';
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}
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return style;
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});
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const rightIconStyle = computed(() => {
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const style: Record<string, string> = {};
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// 方向属性已注释，保留原有逻辑
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if (props.arrowDirection === 'top') style.transform = 'rotate(-90deg)';
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if (props.arrowDirection === 'bottom') style.transform = 'rotate(90deg)';
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else style.transform = 'rotate(0deg)';
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return style;
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});
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const labelStyle = computed(() => {
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const style: Record<string, string> = {};
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if (props.labelAlign === 'left') style.justifyContent = 'flex-start';
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if (props.labelAlign === 'center') style.justifyContent = 'center';
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if (props.labelAlign === 'right') style.justifyContent = 'flex-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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const justifyContent = computed(() => {
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if (props.labelAlign === 'left') return 'flex-start';
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if (props.labelAlign === 'center') return 'center';
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if (props.labelAlign === 'right') return 'flex-end';
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return 'flex-start';
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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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const inputMaxlength = computed(() => Number(props.maxlength));
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// label的位置
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const fieldInnerStyle = computed(() => {
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const style: Record<string, string> = {};
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style.flexDirection = props.labelPosition === 'left' ? 'row' : 'column';
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return style;
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});
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function onInput(event: any) {
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// 兼容 uni-app input/textarea 事件参数
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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 (props.trim) value = $u.trim(value);
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emit('update:modelValue', value);
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emit('input', value);
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}
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function onFocus(event: any) {
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focused.value = true;
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emit('focus', event);
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}
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function onBlur(event: any) {
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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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focused.value = false;
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}, 100);
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emit('blur', event);
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}
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function onConfirm(e: any) {
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emit('confirm', e?.detail?.value ?? '');
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}
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function onClear() {
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emit('update:modelValue', '');
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}
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function rightIconClick() {
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emit('right-icon-click');
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emit('click');
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}
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function fieldClick() {
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emit('click');
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}
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</script>
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<style lang="scss" scoped>
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@import '../../libs/css/style.components.scss';
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.u-field {
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font-size: 28rpx;
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padding: 20rpx 28rpx;
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text-align: left;
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position: relative;
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color: $u-main-color;
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}
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.u-field-inner {
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@include vue-flex;
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align-items: center;
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}
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.u-textarea-inner {
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align-items: flex-start;
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}
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.u-textarea-class {
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min-height: 96rpx;
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width: auto;
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font-size: 28rpx;
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}
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.fild-body {
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@include vue-flex;
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flex: 1;
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align-items: center;
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}
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.u-arror-right {
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margin-left: 8rpx;
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}
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.u-label-text {
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/* #ifndef APP-NVUE */
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display: inline-flex;
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/* #endif */
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}
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.u-label-left-gap {
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margin-left: 6rpx;
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}
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.u-label-postion-top {
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flex-direction: column;
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align-items: flex-start;
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}
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.u-label {
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width: 130rpx;
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flex: 1 1 130rpx;
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text-align: left;
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position: relative;
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@include vue-flex;
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align-items: center;
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}
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.u-required::before {
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content: '*';
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position: absolute;
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left: -16rpx;
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font-size: 14px;
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color: $u-type-error;
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height: 9px;
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line-height: 1;
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}
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.u-field__input-wrap {
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position: relative;
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overflow: hidden;
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font-size: 28rpx;
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height: 48rpx;
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flex: 1;
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width: auto;
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}
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.u-clear-icon {
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@include vue-flex;
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align-items: center;
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}
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.u-error-message {
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color: $u-type-error;
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font-size: 26rpx;
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text-align: left;
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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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.u-input-class {
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font-size: 28rpx;
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}
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.u-button-wrap {
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margin-left: 8rpx;
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}
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.u-field-input-wrap {
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position: relative;
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}
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.u-field-disabled-overlay {
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background-color: transparent;
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z-index: 1;
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}
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</style>
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