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import type { ExtractPropTypes, PropType } from 'vue';
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import type { InputAlign, SearchShape } from '../../types/global';
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import { baseProps } from '../common/props';
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import { useLocale } from '../../';
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const { t } = useLocale();
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/**
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* SearchProps 搜索框 props 类型定义
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* @description 集成常见搜索框功能,开箱即用
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*/
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export const SearchProps = {
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...baseProps,
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/** 搜索框形状,round-圆形,square-方形 */
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shape: { type: String as PropType<SearchShape>, default: 'round' },
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/** 搜索框背景色,默认值var(--u-bg-gray-light) */
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bgColor: { type: String, default: 'var(--u-bg-gray-light)' },
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/** 占位提示文字 */
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placeholder: { type: String, default: () => t('uSearch.placeholder') },
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/** 是否启用清除控件 */
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clearabled: { type: Boolean, default: true },
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/** 是否自动聚焦 */
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focus: { type: Boolean, default: false },
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/** 是否在搜索框右侧显示取消按钮 */
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showAction: { type: Boolean, default: true },
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/** 右边控件的样式 */
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actionStyle: { type: Object as PropType<Record<string, any>>, default: () => ({}) },
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/** 取消按钮文字 */
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actionText: { type: String, default: () => t('uSearch.actionText') },
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/** 输入框内容对齐方式,可选值为 left|center|right */
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inputAlign: { type: String as PropType<InputAlign>, default: 'left' },
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/** 是否启用输入框 */
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disabled: { type: Boolean, default: false },
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/** 开启showAction时,是否在input获取焦点时才显示 */
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animation: { type: Boolean, default: false },
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/** 边框颜色,只要配置了颜色,才会有边框 */
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borderColor: { type: String, default: 'none' },
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/** 输入框的初始化内容 */
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modelValue: { type: String, default: '' },
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/** 搜索框高度,单位rpx */
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height: { type: [Number, String] as PropType<number | string>, default: 64 },
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/** input输入框的样式,可以定义文字颜色,大小等,对象形式 */
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inputStyle: { type: Object as PropType<Record<string, any>>, default: () => ({}) },
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/** 输入框最大能输入的长度,-1为不限制长度(来自uniapp文档) */
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maxlength: { type: [Number, String] as PropType<number | string>, default: '-1' },
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/** 搜索图标的颜色,默认同输入框字体颜色 */
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searchIconColor: { type: String, default: '' },
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/** 输入框字体颜色 */
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color: { type: String, default: 'var(--u-content-color)' },
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/** placeholder的颜色 */
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placeholderColor: { type: String, default: 'var(--u-tips-color)' },
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/** 组件与其他上下左右元素之间的距离,带单位的字符串形式,如"30rpx"、"30rpx 20rpx"等写法 */
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margin: { type: String, default: '0' },
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/** 左边输入框的图标,可以为uView图标名称或图片路径 */
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searchIcon: { type: String, default: 'search' },
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/** 弹出键盘时是否自动调节高度,uni-app默认值是true */
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adjustPosition: { type: Boolean, default: true }
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};
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export type SearchProps = ExtractPropTypes<typeof SearchProps>;
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<template>
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<view
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class="u-search"
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@tap="clickHandler"
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:class="customClass"
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:style="$u.toStyle({ margin: margin }, customStyle)"
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>
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<view
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class="u-content"
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:style="{
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backgroundColor: bgColor,
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borderRadius: shape == 'round' ? '100rpx' : '10rpx',
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border: borderStyle,
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height: height + 'rpx'
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}"
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>
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<view class="u-icon-wrap">
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<u-icon
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class="u-clear-icon"
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:size="30"
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:name="searchIcon"
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:color="searchIconColor ? searchIconColor : color"
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></u-icon>
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</view>
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<input
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confirm-type="search"
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@blur="blur"
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:value="modelValue"
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@confirm="search"
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@input="inputChange"
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@focus="getFocus"
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:focus="focus"
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:maxlength="Number(maxlength)"
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placeholder-class="u-placeholder-class"
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:placeholder="placeholder"
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:placeholder-style="`color: ${placeholderColor}`"
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:adjust-position="adjustPosition"
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class="u-input"
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type="text"
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:style="[
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{
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textAlign: inputAlign,
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color: color,
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backgroundColor: bgColor,
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pointerEvents: disabled ? 'none' : 'auto'
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},
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inputStyle
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]"
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/>
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<view class="u-close-wrap" v-if="keyword && clearabled && focused" @tap="clear">
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<u-icon class="u-clear-icon" name="close-circle-fill" size="34" color="var(--u-light-color)"></u-icon>
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</view>
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</view>
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<view
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:style="[actionStyle]"
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class="u-action"
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:class="[showActionBtn || show ? 'u-action-active' : '']"
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@tap.stop.prevent="custom"
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>
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{{ actionText }}
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</view>
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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-search',
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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 { ref, computed, watch, nextTick } from 'vue';
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import { SearchProps } from './types';
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import { $u } from '../..';
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/**
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* search 搜索框
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* @description 搜索组件,集成了常见搜索框所需功能,用户可以一键引入,开箱即用。
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* @tutorial https://uviewpro.cn/zh/components/search.html
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* @property {String} shape 搜索框形状,round-圆形,square-方形(默认round)
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* @property {String} bg-color 搜索框背景颜色(默认var(--u-bg-gray-light))
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* @property {String} border-color 边框颜色,配置了颜色,才会有边框
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* @property {String} placeholder 占位文字内容(默认“请输入关键字”)
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* @property {Boolean} clearabled 是否启用清除控件(默认true)
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* @property {Boolean} focus 是否自动获得焦点(默认false)
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* @property {Boolean} show-action 是否显示右侧控件(默认true)
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* @property {String} action-text 右侧控件文字(默认“搜索”)
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* @property {Object} action-style 右侧控件的样式,对象形式
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* @property {String} input-align 输入框内容水平对齐方式(默认left)
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* @property {Object} input-style 自定义输入框样式,对象形式
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* @property {Boolean} disabled 是否启用输入框(默认false)
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* @property {String} search-icon-color 搜索图标的颜色,默认同输入框字体颜色
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* @property {String} color 输入框字体颜色(默认var(--u-content-color))
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* @property {String} placeholder-color placeholder的颜色(默认var(--u-tips-color))
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* @property {String} search-icon 输入框左边的图标,可以为uView图标名称或图片路径
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* @property {String} margin 组件与其他上下左右元素之间的距离,带单位的字符串形式,如"30rpx"
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* @property {Boolean} animation 是否开启动画,见上方说明(默认false)
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* @property {String} value 输入框初始值
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* @property {String | Number} maxlength 输入框最大能输入的长度,-1为不限制长度
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* @property {Boolean} input-style input输入框的样式,可以定义文字颜色,大小等,对象形式
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* @property {String | Number} height 输入框高度,单位rpx(默认64)
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* @event {Function} change 输入框内容发生变化时触发
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* @event {Function} search 用户确定搜索时触发,用户按回车键,或者手机键盘右下角的"搜索"键时触发
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* @event {Function} custom 用户点击右侧控件时触发
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* @event {Function} clear 用户点击清除按钮时触发
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* @example <u-search placeholder="日照香炉生紫烟" v-model="keyword"></u-search>
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*/
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const props = defineProps(SearchProps);
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const emit = defineEmits([
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'update:modelValue',
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'input',
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'change',
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'search',
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'custom',
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'clear',
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'focus',
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'blur',
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'click'
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]);
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// 绑定输入框的值
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const keyword = ref(props.modelValue);
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// 是否显示右边的清除图标
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const showClear = ref(false);
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// 控制右侧动画展开
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const show = ref(false);
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// 标记input当前状态是否处于聚焦中,如果是,才会显示右侧的清除控件
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const focused = ref(props.focus);
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// 监听v-model和props.value变化
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watch(
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() => props.modelValue,
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nVal => {
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keyword.value = nVal;
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}
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);
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watch(keyword, nVal => {
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emit('update:modelValue', nVal);
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emit('input', nVal);
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emit('change', nVal);
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});
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/**
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* 是否显示右侧action按钮
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*/
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const showActionBtn = computed(() => {
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if (!props.animation && props.showAction) return true;
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else return false;
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});
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/**
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* 边框样式
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*/
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const borderStyle = computed(() => {
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if (props.borderColor) return `1px solid ${props.borderColor}`;
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else return 'none';
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});
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/**
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* 监听input事件获取输入框内容的变化
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*/
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function inputChange(e: any) {
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keyword.value = e.detail.value;
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}
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/**
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* 清空输入
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* 也可以作为用户通过ref形式调用清空输入框内容
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*/
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function clear() {
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keyword.value = '';
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// 延后发出事件,避免在父组件监听clear事件时,value为更新前的值(不为空)
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nextTick(() => {
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emit('clear');
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});
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}
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/**
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* 确定搜索
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*/
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function search(e: any) {
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emit('search', e.detail.value);
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try {
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// #ifdef H5 || MP
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uni.hideKeyboard();
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// #endif
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} catch (e) {}
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}
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/**
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* 点击右边自定义按钮的事件
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*/
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function custom() {
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emit('custom', keyword.value);
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try {
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// #ifdef H5 || MP
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uni.hideKeyboard();
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// #endif
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} catch (e) {}
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}
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/**
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* 获取焦点
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*/
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function getFocus() {
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focused.value = true;
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// 开启右侧搜索按钮展开的动画效果
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if (props.animation && props.showAction) show.value = true;
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emit('focus', keyword.value);
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}
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/**
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* 失去焦点
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*/
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function blur() {
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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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show.value = false;
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emit('blur', keyword.value);
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}
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/**
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* 点击搜索框,只有disabled=true时才发出事件,因为禁止了输入,意味着是想跳转真正的搜索页
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*/
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function clickHandler() {
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if (props.disabled) 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-search {
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@include vue-flex;
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align-items: center;
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flex: 1;
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}
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.u-content {
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@include vue-flex;
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align-items: center;
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padding: 0 18rpx;
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flex: 1;
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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-input {
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flex: 1;
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font-size: 28rpx;
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line-height: 1;
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margin: 0 10rpx;
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color: $u-tips-color;
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}
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.u-close-wrap {
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width: 40rpx;
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height: 100%;
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@include vue-flex;
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align-items: center;
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justify-content: center;
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border-radius: 50%;
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}
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.u-placeholder-class {
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color: $u-tips-color;
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}
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.u-action {
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font-size: 28rpx;
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color: $u-main-color;
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width: 0;
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overflow: hidden;
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transition: all 0.3s;
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white-space: nowrap;
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text-align: center;
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}
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.u-action-active {
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width: 80rpx;
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margin-left: 10rpx;
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}
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</style>
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