| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342 | <template>	<view class="u-search" @tap="clickHandler" :style="{		margin: margin,	}">		<view			class="u-content"			:style="{				backgroundColor: bgColor,				borderRadius: shape == 'round' ? '100rpx' : '10rpx',				border: borderStyle,				height: height + 'rpx'			}"		>			<view class="u-icon-wrap">				<u-icon class="u-clear-icon" :size="30" :name="searchIcon" :color="searchIconColor ? searchIconColor : color"></u-icon>			</view>			<input				confirm-type="search"				@blur="blur"				:value="value"				@confirm="search"				@input="inputChange"				:disabled="disabled"				@focus="getFocus"				:focus="focus"				:maxlength="maxlength"				placeholder-class="u-placeholder-class"				:placeholder="placeholder"				:placeholder-style="`color: ${placeholderColor}`"				class="u-input"				type="text"				:style="[{					textAlign: inputAlign,					color: color,					backgroundColor: bgColor,				}, inputStyle]"			/>			<view class="u-close-wrap" v-if="keyword && clearabled && focused" @tap="clear">				<u-icon class="u-clear-icon" name="close-circle-fill" size="34" color="#c0c4cc"></u-icon>			</view>		</view>		<view :style="[actionStyle]" class="u-action" 			:class="[showActionBtn || show ? 'u-action-active' : '']" 			@tap.stop.prevent="custom"		>{{ actionText }}</view>	</view></template><script>/** * search 搜索框 * @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。 * @tutorial https://www.uviewui.com/components/search.html * @property {String} shape 搜索框形状,round-圆形,square-方形(默认round) * @property {String} bg-color 搜索框背景颜色(默认#f2f2f2) * @property {String} border-color 边框颜色,配置了颜色,才会有边框 * @property {String} placeholder 占位文字内容(默认“请输入关键字”) * @property {Boolean} clearabled 是否启用清除控件(默认true) * @property {Boolean} focus 是否自动获得焦点(默认false) * @property {Boolean} show-action 是否显示右侧控件(默认true) * @property {String} action-text 右侧控件文字(默认“搜索”) * @property {Object} action-style 右侧控件的样式,对象形式 * @property {String} input-align 输入框内容水平对齐方式(默认left) * @property {Object} input-style 自定义输入框样式,对象形式 * @property {Boolean} disabled 是否启用输入框(默认false) * @property {String} search-icon-color 搜索图标的颜色,默认同输入框字体颜色 * @property {String} color 输入框字体颜色(默认#606266) * @property {String} placeholder-color placeholder的颜色(默认#909399) * @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 * @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" * @property {Boolean} animation 是否开启动画,见上方说明(默认false) * @property {String} value 输入框初始值 * @property {String | Number} maxlength 输入框最大能输入的长度,-1为不限制长度 * @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 * @property {String | Number} height 输入框高度,单位rpx(默认64) * @event {Function} change 输入框内容发生变化时触发 * @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 * @event {Function} custom 用户点击右侧控件时触发 * @event {Function} clear 用户点击清除按钮时触发 * @example <u-search placeholder="日照香炉生紫烟" v-model="keyword"></u-search> */export default {	name: "u-search",	props: {		// 搜索框形状,round-圆形,square-方形		shape: {			type: String,			default: 'round'		},		// 搜索框背景色,默认值#f2f2f2		bgColor: {			type: String,			default: '#f2f2f2'		},		// 占位提示文字		placeholder: {			type: String,			default: '请输入关键字'		},		// 是否启用清除控件		clearabled: {			type: Boolean,			default: true		},		// 是否自动聚焦		focus: {			type: Boolean,			default: false		},		// 是否在搜索框右侧显示取消按钮		showAction: {			type: Boolean,			default: true		},		// 右边控件的样式		actionStyle: {			type: Object,			default() {				return {};			}		},		// 取消按钮文字		actionText: {			type: String,			default: '搜索'		},		// 输入框内容对齐方式,可选值为 left|center|right		inputAlign: {			type: String,			default: 'left'		},		// 是否启用输入框		disabled: {			type: Boolean,			default: false		},		// 开启showAction时,是否在input获取焦点时才显示		animation: {			type: Boolean,			default: false		},		// 边框颜色,只要配置了颜色,才会有边框		borderColor: {			type: String,			default: 'none'		},		// 输入框的初始化内容		value: {			type: String,			default: ''		},		// 搜索框高度,单位rpx		height: {			type: [Number, String],			default: 64		},		// input输入框的样式,可以定义文字颜色,大小等,对象形式		inputStyle: {			type: Object,			default() {				return {}			}		},		// 输入框最大能输入的长度,-1为不限制长度(来自uniapp文档)		maxlength: {			type: [Number, String],			default: '-1'		},		// 搜索图标的颜色,默认同输入框字体颜色		searchIconColor: {			type: String,			default: ''		},		// 输入框字体颜色		color: {			type: String,			default: '#606266'		},		// placeholder的颜色		placeholderColor: {			type: String,			default: '#909399'		},		// 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		margin: {			type: String,			default: '0'		},		// 左边输入框的图标,可以为uView图标名称或图片路径		searchIcon: {			type: String,			default: 'search'		}	},	data() {		return {			keyword: '',			showClear: false, // 是否显示右边的清除图标			show: false,			// 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			focused: this.focus			// 绑定输入框的值			// inputValue: this.value		};	},	watch: {		keyword(nVal) {			// 双向绑定值,让v-model绑定的值双向变化			this.$emit('input', nVal);			// 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			this.$emit('change', nVal);		},		value: {			immediate: true,			handler(nVal) {				this.keyword = nVal;			}		}	},	computed: {		showActionBtn() {			if (!this.animation && this.showAction) return true;			else return false;		},		// 样式,根据用户传入的颜色值生成,如果不传入,默认为none		borderStyle() {			if (this.borderColor) return `1px solid ${this.borderColor}`;			else return 'none';		},	},	methods: {		// 目前HX2.6.9 v-model双向绑定无效,故监听input事件获取输入框内容的变化		inputChange(e) {			this.keyword = e.detail.value;		},		// 清空输入		// 也可以作为用户通过this.$refs形式调用清空输入框内容		clear() {			this.keyword = '';			// 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)			this.$nextTick(() => {				this.$emit('clear');			})		},		// 确定搜索		search(e) {			this.$emit('search', e.detail.value);			try{				// 收起键盘				uni.hideKeyboard();			}catch(e){}		},		// 点击右边自定义按钮的事件		custom() {			this.$emit('custom', this.keyword);			try{				// 收起键盘				uni.hideKeyboard();			}catch(e){}		},		// 获取焦点		getFocus() {			this.focused = true;			// 开启右侧搜索按钮展开的动画效果			if (this.animation && this.showAction) this.show = true;			this.$emit('focus', this.keyword);		},		// 失去焦点		blur() {			// 最开始使用的是监听图标@touchstart事件,自从hx2.8.4后,此方法在微信小程序出错			// 这里改为监听点击事件,手点击清除图标时,同时也发生了@blur事件,导致图标消失而无法点击,这里做一个延时			setTimeout(() => {				this.focused = false;			}, 100)			this.show = false;			this.$emit('blur', this.keyword);		},		// 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		clickHandler() {			if(this.disabled) this.$emit('click');		}	}};</script><style lang="scss" scoped>@import "../../libs/css/style.components.scss";.u-search {	@include vue-flex;	align-items: center;	flex: 1;}.u-content {	@include vue-flex;	align-items: center;	padding: 0 18rpx;	flex: 1;}.u-clear-icon {	@include vue-flex;	align-items: center;}.u-input {	flex: 1;	font-size: 28rpx;	line-height: 1;	margin: 0 10rpx;	color: $u-tips-color;}.u-close-wrap {	width: 40rpx;	height: 100%;	@include vue-flex;	align-items: center;	justify-content: center;	border-radius: 50%;}.u-placeholder-class {	color: $u-tips-color;}.u-action {	font-size: 28rpx;	color: $u-main-color;	width: 0;	overflow: hidden;	transition: all 0.3s;	white-space: nowrap;	text-align: center;}.u-action-active {	width: 80rpx;	margin-left: 10rpx;}</style>
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