304 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			Vue
		
	
	
	
		
		
			
		
	
	
			304 lines
		
	
	
		
			9.6 KiB
		
	
	
	
		
			Vue
		
	
	
	
|  | <template> | |||
|  | 	<view | |||
|  | 	    class="u-search" | |||
|  | 	    @tap="clickHandler" | |||
|  | 	    :style="[{ | |||
|  | 			margin: margin, | |||
|  | 		}, $u.addStyle(customStyle)]" | |||
|  | 	> | |||
|  | 		<view | |||
|  | 		    class="u-search__content" | |||
|  | 		    :style="{ | |||
|  | 				backgroundColor: bgColor, | |||
|  | 				borderRadius: shape == 'round' ? '100px' : '4px', | |||
|  | 				borderColor: borderColor, | |||
|  | 			}" | |||
|  | 		> | |||
|  | 			<template v-if="$slots.label || label !== null"> | |||
|  | 				<slot name="label"> | |||
|  | 					<text class="u-search__content__label">{{ label }}</text> | |||
|  | 				</slot> | |||
|  | 			</template> | |||
|  | 			<view class="u-search__content__icon"> | |||
|  | 				<u-icon | |||
|  | 					@tap="clickIcon" | |||
|  | 				    :size="searchIconSize" | |||
|  | 				    :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-search__content__input--placeholder" | |||
|  | 			    :placeholder="placeholder" | |||
|  | 			    :placeholder-style="`color: ${placeholderColor}`" | |||
|  | 			    class="u-search__content__input" | |||
|  | 			    type="text" | |||
|  | 			    :style="[{ | |||
|  | 					textAlign: inputAlign, | |||
|  | 					color: color, | |||
|  | 					backgroundColor: bgColor, | |||
|  | 					height: $u.addUnit(height) | |||
|  | 				}, inputStyle]" | |||
|  | 			/> | |||
|  | 			<view | |||
|  | 			    class="u-search__content__icon u-search__content__close" | |||
|  | 			    v-if="keyword && clearabled && focused" | |||
|  | 			    @tap="clear" | |||
|  | 			> | |||
|  | 				<u-icon | |||
|  | 				    name="close" | |||
|  | 				    size="11" | |||
|  | 				    color="#ffffff" | |||
|  | 					customStyle="line-height: 12px" | |||
|  | 				></u-icon> | |||
|  | 			</view> | |||
|  | 		</view> | |||
|  | 		<text | |||
|  | 		    :style="[actionStyle]" | |||
|  | 		    class="u-search__action" | |||
|  | 		    :class="[(showActionBtn || show) && 'u-search__action--active']" | |||
|  | 		    @tap.stop.prevent="custom" | |||
|  | 		>{{ actionText }}</text> | |||
|  | 	</view> | |||
|  | </template> | |||
|  | 
 | |||
|  | <script> | |||
|  | 	import props from './props.js'; | |||
|  | 
 | |||
|  | 	/** | |||
|  | 	 * 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}			bgColor				搜索框背景颜色(默认 '#f2f2f2' ) | |||
|  | 	 * @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}			showAction			是否显示右侧控件(默认 true ) | |||
|  | 	 * @property {Object}			actionStyle			右侧控件的样式,对象形式 | |||
|  | 	 * @property {String}			actionText			右侧控件文字(默认 '搜索' ) | |||
|  | 	 * @property {String}			inputAlign			输入框内容水平对齐方式 (默认 'left' ) | |||
|  | 	 * @property {Object}			inputStyle			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}			borderColor			边框颜色,配置了颜色,才会有边框 (默认 'transparent' ) | |||
|  | 	 * @property {String}			searchIconColor		搜索图标的颜色,默认同输入框字体颜色 (默认 '#909399' ) | |||
|  | 	 * @property {Number | String}	searchIconSize 搜索图标的字体,默认22 | |||
|  | 	 * @property {String}			color				输入框字体颜色(默认 '#606266' ) | |||
|  | 	 * @property {String}			placeholderColor	placeholder的颜色(默认 '#909399' ) | |||
|  | 	 * @property {String}			searchIcon			输入框左边的图标,可以为uView图标名称或图片路径  (默认 'search' ) | |||
|  | 	 * @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"30px"   (默认 '0' ) | |||
|  | 	 * @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  (默认 '-1' ) | |||
|  | 	 * @property {String | Number}	height				输入框高度,单位px(默认 64 ) | |||
|  | 	 * @property {String | Number}	label				搜索框左边显示内容 | |||
|  | 	 * @property {Object}			customStyle			定义需要用到的外部样式 | |||
|  | 	 * | |||
|  | 	 * @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", | |||
|  | 		mixins: [uni.$u.mpMixin, uni.$u.mixin,props], | |||
|  | 		data() { | |||
|  | 			return { | |||
|  | 				keyword: '', | |||
|  | 				showClear: false, // 是否显示右边的清除图标
 | |||
|  | 				show: false, | |||
|  | 				// 标记input当前状态是否处于聚焦中,如果是,才会显示右侧的清除控件
 | |||
|  | 				focused: this.focus | |||
|  | 				// 绑定输入框的值
 | |||
|  | 				// inputValue: this.value
 | |||
|  | 			}; | |||
|  | 		}, | |||
|  | 		watch: { | |||
|  | 			keyword(nVal) { | |||
|  | 				// 双向绑定值,让v-model绑定的值双向变化
 | |||
|  | 				this.$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.$emit('change', nVal); | |||
|  | 			}, | |||
|  | 			value: { | |||
|  | 				immediate: true, | |||
|  | 				handler(nVal) { | |||
|  | 					this.keyword = nVal; | |||
|  | 				} | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		computed: { | |||
|  | 			showActionBtn() { | |||
|  | 				return !this.animation && this.showAction | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		methods: { | |||
|  | 			// 目前HX2.6.9 v-model双向绑定无效,故监听input事件获取输入框内容的变化
 | |||
|  | 			inputChange(e) { | |||
|  | 				this.keyword = e.detail.value; | |||
|  | 			}, | |||
|  | 			// 清空输入
 | |||
|  | 			// 也可以作为用户通过this.$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.$emit('click'); | |||
|  | 			}, | |||
|  | 			// 点击左边图标
 | |||
|  | 			clickIcon() { | |||
|  | 				this.$emit('clickIcon'); | |||
|  | 			} | |||
|  | 		} | |||
|  | 	} | |||
|  | </script> | |||
|  | 
 | |||
|  | <style lang="scss" scoped> | |||
|  | @import "../../libs/css/components.scss"; | |||
|  | $u-search-content-padding: 0 10px !default; | |||
|  | $u-search-label-color: $u-main-color !default; | |||
|  | $u-search-label-font-size: 14px !default; | |||
|  | $u-search-label-margin: 0 4px !default; | |||
|  | $u-search-close-size: 20px !default; | |||
|  | $u-search-close-radius: 100px !default; | |||
|  | $u-search-close-bgColor: #C6C7CB !default; | |||
|  | $u-search-close-transform: scale(0.82) !default; | |||
|  | $u-search-input-font-size: 14px !default; | |||
|  | $u-search-input-margin: 0 5px !default; | |||
|  | $u-search-input-color: $u-main-color !default; | |||
|  | $u-search-input-placeholder-color: $u-tips-color !default; | |||
|  | $u-search-action-font-size: 14px !default; | |||
|  | $u-search-action-color: $u-main-color !default; | |||
|  | $u-search-action-width: 0 !default; | |||
|  | $u-search-action-active-width: 40px !default; | |||
|  | $u-search-action-margin-left: 5px !default; | |||
|  | 
 | |||
|  | /* #ifdef H5 */ | |||
|  | // iOS15在H5下,hx的某些版本,input type=search时,会多了一个搜索图标,进行移除
 | |||
|  | [type="search"]::-webkit-search-decoration { | |||
|  |     display: none; | |||
|  | } | |||
|  | /* #endif */ | |||
|  | 
 | |||
|  | .u-search { | |||
|  | 	@include flex(row); | |||
|  | 	align-items: center; | |||
|  | 	flex: 1; | |||
|  | 
 | |||
|  | 	&__content { | |||
|  | 		@include flex; | |||
|  | 		align-items: center; | |||
|  | 		padding: $u-search-content-padding; | |||
|  | 		flex: 1; | |||
|  | 		justify-content: space-between; | |||
|  | 		border-width: 1px; | |||
|  | 		border-color: transparent; | |||
|  | 		border-style: solid; | |||
|  | 		overflow: hidden; | |||
|  | 
 | |||
|  | 		&__icon { | |||
|  | 			@include flex; | |||
|  | 			align-items: center; | |||
|  | 		} | |||
|  | 
 | |||
|  | 		&__label { | |||
|  | 			color: $u-search-label-color; | |||
|  | 			font-size: $u-search-label-font-size; | |||
|  | 			margin: $u-search-label-margin; | |||
|  | 		} | |||
|  | 
 | |||
|  | 		&__close { | |||
|  | 			width: $u-search-close-size; | |||
|  | 			height: $u-search-close-size; | |||
|  | 			border-top-left-radius: $u-search-close-radius; | |||
|  | 			border-top-right-radius: $u-search-close-radius; | |||
|  | 			border-bottom-left-radius: $u-search-close-radius; | |||
|  | 			border-bottom-right-radius: $u-search-close-radius; | |||
|  | 			background-color: $u-search-close-bgColor; | |||
|  | 			@include flex(row); | |||
|  | 			align-items: center; | |||
|  | 			justify-content: center; | |||
|  | 			transform: $u-search-close-transform; | |||
|  | 		} | |||
|  | 
 | |||
|  | 		&__input { | |||
|  | 			flex: 1; | |||
|  | 			font-size: $u-search-input-font-size; | |||
|  | 			line-height: 1; | |||
|  | 			margin: $u-search-input-margin; | |||
|  | 			color: $u-search-input-color; | |||
|  | 
 | |||
|  | 			&--placeholder { | |||
|  | 				color: $u-search-input-placeholder-color; | |||
|  | 			} | |||
|  | 		} | |||
|  | 	} | |||
|  | 
 | |||
|  | 	&__action { | |||
|  | 		font-size: $u-search-action-font-size; | |||
|  | 		color: $u-search-action-color; | |||
|  | 		width: $u-search-action-width; | |||
|  | 		overflow: hidden; | |||
|  | 		transition-property: width; | |||
|  | 		transition-duration: 0.3s; | |||
|  | 		/* #ifndef APP-NVUE */ | |||
|  | 		white-space: nowrap; | |||
|  | 		/* #endif */ | |||
|  | 		text-align: center; | |||
|  | 
 | |||
|  | 		&--active { | |||
|  | 			width: $u-search-action-active-width; | |||
|  | 			margin-left: $u-search-action-margin-left; | |||
|  | 		} | |||
|  | 	} | |||
|  | } | |||
|  | </style> |