forked from angelo/web-retail-h5
				
			
		
			
	
	
		
			235 lines
		
	
	
		
			7.1 KiB
		
	
	
	
		
			Vue
		
	
	
	
		
		
			
		
	
	
			235 lines
		
	
	
		
			7.1 KiB
		
	
	
	
		
			Vue
		
	
	
	
|  | <template> | |||
|  | 	<view | |||
|  | 	    class="u-icon" | |||
|  | 	    @tap="clickHandler" | |||
|  | 	    :class="['u-icon--' + labelPos]" | |||
|  | 	> | |||
|  | 		<image | |||
|  | 		    class="u-icon__img" | |||
|  | 		    v-if="isImg" | |||
|  | 		    :src="name" | |||
|  | 		    :mode="imgMode" | |||
|  | 		    :style="[imgStyle, $u.addStyle(customStyle)]" | |||
|  | 		></image> | |||
|  | 		<text | |||
|  | 		    v-else | |||
|  | 		    class="u-icon__icon" | |||
|  | 		    :class="uClasses" | |||
|  | 		    :style="[iconStyle, $u.addStyle(customStyle)]" | |||
|  | 		    :hover-class="hoverClass" | |||
|  | 		>{{icon}}</text> | |||
|  | 		<!-- 这里进行空字符串判断,如果仅仅是v-if="label",可能会出现传递0的时候,结果也无法显示 --> | |||
|  | 		<text | |||
|  | 		    v-if="label !== ''"  | |||
|  | 		    class="u-icon__label" | |||
|  | 		    :style="{ | |||
|  | 			color: labelColor, | |||
|  | 			fontSize: $u.addUnit(labelSize), | |||
|  | 			marginLeft: labelPos == 'right' ? $u.addUnit(space) : 0, | |||
|  | 			marginTop: labelPos == 'bottom' ? $u.addUnit(space) : 0, | |||
|  | 			marginRight: labelPos == 'left' ? $u.addUnit(space) : 0, | |||
|  | 			marginBottom: labelPos == 'top' ? $u.addUnit(space) : 0, | |||
|  | 		}" | |||
|  | 		>{{ label }}</text> | |||
|  | 	</view> | |||
|  | </template> | |||
|  | 
 | |||
|  | <script> | |||
|  | 	// #ifdef APP-NVUE
 | |||
|  | 	// nvue通过weex的dom模块引入字体,相关文档地址如下:
 | |||
|  | 	// https://weex.apache.org/zh/docs/modules/dom.html#addrule
 | |||
|  | 	const fontUrl = 'https://at.alicdn.com/t/font_2225171_8kdcwk4po24.ttf' | |||
|  | 	const domModule = weex.requireModule('dom') | |||
|  | 	domModule.addRule('fontFace', { | |||
|  | 		'fontFamily': "uicon-iconfont", | |||
|  | 		'src': `url('${fontUrl}')` | |||
|  | 	}) | |||
|  | 	// #endif
 | |||
|  | 
 | |||
|  | 	// 引入图标名称,已经对应的unicode
 | |||
|  | 	import icons from './icons' | |||
|  | 	 | |||
|  | 	import props from './props.js';; | |||
|  | 
 | |||
|  | 	/** | |||
|  | 	 * icon 图标 | |||
|  | 	 * @description 基于字体的图标集,包含了大多数常见场景的图标。 | |||
|  | 	 * @tutorial https://www.uviewui.com/components/icon.html
 | |||
|  | 	 * @property {String}			name			图标名称,见示例图标集 | |||
|  | 	 * @property {String}			color			图标颜色,可接受主题色 (默认 color['u-content-color'] ) | |||
|  | 	 * @property {String | Number}	size			图标字体大小,单位px (默认 '16px' ) | |||
|  | 	 * @property {Boolean}			bold			是否显示粗体 (默认 false ) | |||
|  | 	 * @property {String | Number}	index			点击图标的时候传递事件出去的index(用于区分点击了哪一个) | |||
|  | 	 * @property {String}			hoverClass		图标按下去的样式类,用法同uni的view组件的hoverClass参数,详情见官网 | |||
|  | 	 * @property {String}			customPrefix	自定义扩展前缀,方便用户扩展自己的图标库 (默认 'uicon' ) | |||
|  | 	 * @property {String | Number}	label			图标右侧的label文字 | |||
|  | 	 * @property {String}			labelPos		label相对于图标的位置,只能right或bottom (默认 'right' ) | |||
|  | 	 * @property {String | Number}	labelSize		label字体大小,单位px (默认 '15px' ) | |||
|  | 	 * @property {String}			labelColor		图标右侧的label文字颜色 ( 默认 color['u-content-color'] ) | |||
|  | 	 * @property {String | Number}	space			label与图标的距离,单位px (默认 '3px' ) | |||
|  | 	 * @property {String}			imgMode			图片的mode | |||
|  | 	 * @property {String | Number}	width			显示图片小图标时的宽度 | |||
|  | 	 * @property {String | Number}	height			显示图片小图标时的高度 | |||
|  | 	 * @property {String | Number}	top				图标在垂直方向上的定位 用于解决某些情况下,让图标垂直居中的用途  (默认 0 ) | |||
|  | 	 * @property {Boolean}			stop			是否阻止事件传播 (默认 false ) | |||
|  | 	 * @property {Object}			customStyle		icon的样式,对象形式 | |||
|  | 	 * @event {Function} click 点击图标时触发 | |||
|  | 	 * @event {Function} touchstart 事件触摸时触发 | |||
|  | 	 * @example <u-icon name="photo" color="#2979ff" size="28"></u-icon> | |||
|  | 	 */ | |||
|  | 	export default { | |||
|  | 		name: 'u-icon', | |||
|  | 		data() { | |||
|  | 			return { | |||
|  | 
 | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		mixins: [uni.$u.mpMixin, uni.$u.mixin,props], | |||
|  | 		computed: { | |||
|  | 			uClasses() { | |||
|  | 				let classes = [] | |||
|  | 				classes.push(this.customPrefix + '-' + this.name) | |||
|  | 				// // uView的自定义图标类名为u-iconfont
 | |||
|  | 				// if (this.customPrefix == 'uicon') {
 | |||
|  | 				// 	classes.push('u-iconfont')
 | |||
|  | 				// } else {
 | |||
|  | 				// 	classes.push(this.customPrefix)
 | |||
|  | 				// }
 | |||
|  | 				// 主题色,通过类配置
 | |||
|  | 				if (this.color && uni.$u.config.type.includes(this.color)) classes.push('u-icon__icon--' + this.color) | |||
|  | 				// 阿里,头条,百度小程序通过数组绑定类名时,无法直接使用[a, b, c]的形式,否则无法识别
 | |||
|  | 				// 故需将其拆成一个字符串的形式,通过空格隔开各个类名
 | |||
|  | 				//#ifdef MP-ALIPAY || MP-TOUTIAO || MP-BAIDU
 | |||
|  | 				classes = classes.join(' ') | |||
|  | 				//#endif
 | |||
|  | 				return classes | |||
|  | 			}, | |||
|  | 			iconStyle() { | |||
|  | 				let style = {} | |||
|  | 				style = { | |||
|  | 					fontSize: uni.$u.addUnit(this.size), | |||
|  | 					lineHeight: uni.$u.addUnit(this.size), | |||
|  | 					fontWeight: this.bold ? 'bold' : 'normal', | |||
|  | 					// 某些特殊情况需要设置一个到顶部的距离,才能更好的垂直居中
 | |||
|  | 					top: uni.$u.addUnit(this.top) | |||
|  | 				} | |||
|  | 				// 非主题色值时,才当作颜色值
 | |||
|  | 				if (this.color && !uni.$u.config.type.includes(this.color)) style.color = this.color | |||
|  | 
 | |||
|  | 				return style | |||
|  | 			}, | |||
|  | 			// 判断传入的name属性,是否图片路径,只要带有"/"均认为是图片形式
 | |||
|  | 			isImg() { | |||
|  | 				return this.name.indexOf('/') !== -1 | |||
|  | 			}, | |||
|  | 			imgStyle() { | |||
|  | 				let style = {} | |||
|  | 				// 如果设置width和height属性,则优先使用,否则使用size属性
 | |||
|  | 				style.width = this.width ? uni.$u.addUnit(this.width) : uni.$u.addUnit(this.size) | |||
|  | 				style.height = this.height ? uni.$u.addUnit(this.height) : uni.$u.addUnit(this.size) | |||
|  | 				return style | |||
|  | 			}, | |||
|  | 			// 通过图标名,查找对应的图标
 | |||
|  | 			icon() { | |||
|  | 				// 如果内置的图标中找不到对应的图标,就直接返回name值,因为用户可能传入的是unicode代码
 | |||
|  | 				return icons['uicon-' + this.name] || this.name | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		methods: { | |||
|  | 			clickHandler(e) { | |||
|  | 				this.$emit('click', this.index) | |||
|  | 				// 是否阻止事件冒泡
 | |||
|  | 				this.stop && this.preventEvent(e) | |||
|  | 			} | |||
|  | 		} | |||
|  | 	} | |||
|  | </script> | |||
|  | 
 | |||
|  | <style lang="scss" scoped> | |||
|  | 	@import "../../libs/css/components.scss"; | |||
|  | 
 | |||
|  | 	// 变量定义
 | |||
|  | 	$u-icon-primary: $u-primary !default; | |||
|  | 	$u-icon-success: $u-success !default; | |||
|  | 	$u-icon-info: $u-info !default; | |||
|  | 	$u-icon-warning: $u-warning !default; | |||
|  | 	$u-icon-error: $u-error !default; | |||
|  | 	$u-icon-label-line-height:1 !default; | |||
|  | 
 | |||
|  | 	/* #ifndef APP-NVUE */ | |||
|  | 	// 非nvue下加载字体
 | |||
|  | 	@font-face { | |||
|  | 		font-family: 'uicon-iconfont'; | |||
|  | 		src: url('https://at.alicdn.com/t/font_2225171_8kdcwk4po24.ttf') format('truetype'); | |||
|  | 	} | |||
|  | 
 | |||
|  | 	/* #endif */ | |||
|  | 
 | |||
|  | 	.u-icon { | |||
|  | 		/* #ifndef APP-NVUE */ | |||
|  | 		display: flex; | |||
|  | 		/* #endif */ | |||
|  | 		align-items: center; | |||
|  | 
 | |||
|  | 		&--left { | |||
|  | 			flex-direction: row-reverse; | |||
|  | 			align-items: center; | |||
|  | 		} | |||
|  | 
 | |||
|  | 		&--right { | |||
|  | 			flex-direction: row; | |||
|  | 			align-items: center; | |||
|  | 		} | |||
|  | 
 | |||
|  | 		&--top { | |||
|  | 			flex-direction: column-reverse; | |||
|  | 			justify-content: center; | |||
|  | 		} | |||
|  | 
 | |||
|  | 		&--bottom { | |||
|  | 			flex-direction: column; | |||
|  | 			justify-content: center; | |||
|  | 		} | |||
|  | 
 | |||
|  | 		&__icon { | |||
|  | 			font-family: uicon-iconfont; | |||
|  | 			position: relative; | |||
|  | 			@include flex; | |||
|  | 			align-items: center; | |||
|  | 
 | |||
|  | 			&--primary { | |||
|  | 				color: $u-icon-primary; | |||
|  | 			} | |||
|  | 
 | |||
|  | 			&--success { | |||
|  | 				color: $u-icon-success; | |||
|  | 			} | |||
|  | 
 | |||
|  | 			&--error { | |||
|  | 				color: $u-icon-error; | |||
|  | 			} | |||
|  | 
 | |||
|  | 			&--warning { | |||
|  | 				color: $u-icon-warning; | |||
|  | 			} | |||
|  | 
 | |||
|  | 			&--info { | |||
|  | 				color: $u-icon-info; | |||
|  | 			} | |||
|  | 		} | |||
|  | 
 | |||
|  | 		&__img { | |||
|  | 			/* #ifndef APP-NVUE */ | |||
|  | 			height: auto; | |||
|  | 			will-change: transform; | |||
|  | 			/* #endif */ | |||
|  | 		} | |||
|  | 
 | |||
|  | 		&__label { | |||
|  | 			/* #ifndef APP-NVUE */ | |||
|  | 			line-height: $u-icon-label-line-height; | |||
|  | 			/* #endif */ | |||
|  | 		} | |||
|  | 	} | |||
|  | </style> |