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342 lines
9.2 KiB
342 lines
9.2 KiB
<template> |
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<view class="u-search" @tap="clickHandler" :style="{ |
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margin: margin, |
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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 class="u-clear-icon" :size="30" :name="searchIcon" :color="searchIconColor ? searchIconColor : color"></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="value" |
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@confirm="search" |
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@input="inputChange" |
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:disabled="disabled" |
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@focus="getFocus" |
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:focus="focus" |
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:maxlength="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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class="u-input" |
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type="text" |
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:style="[{ |
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textAlign: inputAlign, |
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color: color, |
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backgroundColor: bgColor, |
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}, inputStyle]" |
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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="#c0c4cc"></u-icon> |
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</view> |
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</view> |
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<view :style="[actionStyle]" 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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>{{ actionText }}</view> |
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</view> |
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</template> |
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<script> |
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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://www.uviewui.com/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#f2f2f2) |
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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#606266) |
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* @property {String} placeholder-color placeholder的颜色(默认#909399) |
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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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export default { |
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name: "u-search", |
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props: { |
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// 搜索框形状,round-圆形,square-方形 |
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shape: { |
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type: String, |
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default: 'round' |
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}, |
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// 搜索框背景色,默认值#f2f2f2 |
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bgColor: { |
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type: String, |
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default: '#f2f2f2' |
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}, |
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// 占位提示文字 |
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placeholder: { |
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type: String, |
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default: '请输入关键字' |
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}, |
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// 是否启用清除控件 |
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clearabled: { |
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type: Boolean, |
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default: true |
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}, |
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// 是否自动聚焦 |
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focus: { |
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type: Boolean, |
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default: false |
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}, |
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// 是否在搜索框右侧显示取消按钮 |
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showAction: { |
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type: Boolean, |
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default: true |
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}, |
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// 右边控件的样式 |
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actionStyle: { |
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type: Object, |
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default() { |
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return {}; |
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} |
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}, |
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// 取消按钮文字 |
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actionText: { |
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type: String, |
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default: '搜索' |
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}, |
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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: { |
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type: String, |
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default: 'left' |
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}, |
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// 是否启用输入框 |
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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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// 开启showAction时,是否在input获取焦点时才显示 |
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animation: { |
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type: Boolean, |
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default: false |
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}, |
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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: { |
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type: String, |
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default: 'none' |
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}, |
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// 输入框的初始化内容 |
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value: { |
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type: String, |
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default: '' |
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}, |
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// 搜索框高度,单位rpx |
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height: { |
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type: [Number, String], |
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default: 64 |
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}, |
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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: { |
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type: Object, |
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default() { |
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return {} |
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} |
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}, |
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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: { |
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type: [Number, String], |
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default: '-1' |
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}, |
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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: { |
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type: String, |
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default: '' |
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}, |
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// 输入框字体颜色 |
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color: { |
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type: String, |
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default: '#606266' |
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}, |
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// placeholder的颜色 |
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placeholderColor: { |
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type: String, |
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default: '#909399' |
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}, |
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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: { |
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type: String, |
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default: '0' |
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}, |
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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: { |
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type: String, |
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default: 'search' |
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} |
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}, |
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data() { |
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return { |
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keyword: '', |
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showClear: false, // 是否显示右边的清除图标 |
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show: 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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focused: this.focus |
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// 绑定输入框的值 |
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// inputValue: this.value |
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}; |
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}, |
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watch: { |
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keyword(nVal) { |
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// 双向绑定值,让v-model绑定的值双向变化 |
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this.$emit('input', nVal); |
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// 触发change事件,事件效果和v-model双向绑定的效果一样,让用户多一个选择 |
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this.$emit('change', nVal); |
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}, |
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value: { |
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immediate: true, |
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handler(nVal) { |
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this.keyword = nVal; |
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} |
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} |
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}, |
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computed: { |
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showActionBtn() { |
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if (!this.animation && this.showAction) return true; |
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else return false; |
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}, |
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// 样式,根据用户传入的颜色值生成,如果不传入,默认为none |
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borderStyle() { |
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if (this.borderColor) return `1px solid ${this.borderColor}`; |
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else return 'none'; |
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}, |
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}, |
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methods: { |
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// 目前HX2.6.9 v-model双向绑定无效,故监听input事件获取输入框内容的变化 |
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inputChange(e) { |
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this.keyword = e.detail.value; |
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}, |
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// 清空输入 |
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// 也可以作为用户通过this.$refs形式调用清空输入框内容 |
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clear() { |
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this.keyword = ''; |
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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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this.$nextTick(() => { |
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this.$emit('clear'); |
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}) |
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}, |
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// 确定搜索 |
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search(e) { |
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this.$emit('search', e.detail.value); |
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try{ |
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// 收起键盘 |
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uni.hideKeyboard(); |
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}catch(e){} |
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}, |
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// 点击右边自定义按钮的事件 |
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custom() { |
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this.$emit('custom', this.keyword); |
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try{ |
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// 收起键盘 |
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uni.hideKeyboard(); |
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}catch(e){} |
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}, |
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// 获取焦点 |
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getFocus() { |
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this.focused = 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 (this.animation && this.showAction) this.show = true; |
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this.$emit('focus', this.keyword); |
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}, |
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// 失去焦点 |
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blur() { |
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// 最开始使用的是监听图标@touchstart事件,自从hx2.8.4后,此方法在微信小程序出错 |
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// 这里改为监听点击事件,手点击清除图标时,同时也发生了@blur事件,导致图标消失而无法点击,这里做一个延时 |
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setTimeout(() => { |
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this.focused = false; |
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}, 100) |
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this.show = false; |
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this.$emit('blur', this.keyword); |
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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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clickHandler() { |
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if(this.disabled) this.$emit('click'); |
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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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@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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