337 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			Vue
		
	
	
	
			
		
		
	
	
			337 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			Vue
		
	
	
	
| <template>
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| 	<view :style="[customStyle]" class="u-icon" @tap="click" :class="['u-icon--' + labelPos]">
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| 		<image class="u-icon__img" v-if="isImg" :src="name" :mode="imgMode" :style="[imgStyle]"></image>
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| 		<text v-else class="u-icon__icon" :class="customClass" :style="[iconStyle]" :hover-class="hoverClass"
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| 			  @touchstart="touchstart">
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| 			<text v-if="showDecimalIcon" :style="[decimalIconStyle]" :class="decimalIconClass" :hover-class="hoverClass"
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| 				  class="u-icon__decimal">
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| 			</text>
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| 		</text>
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| 		<!-- 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 -->
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| 		<text v-if="label !== ''" class="u-icon__label" :style="{
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| 			color: labelColor,
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| 			fontSize: $u.addUnit(labelSize),
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| 			marginLeft: labelPos == 'right' ? $u.addUnit(marginLeft) : 0,
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| 			marginTop: labelPos == 'bottom' ? $u.addUnit(marginTop) : 0,
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| 			marginRight: labelPos == 'left' ? $u.addUnit(marginRight) : 0,
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| 			marginBottom: labelPos == 'top' ? $u.addUnit(marginBottom) : 0,
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| 		}">{{ label }}
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| 		</text>
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| 	</view>
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| </template>
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| 
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| <script>
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| /**
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|  * icon 图标
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|  * @description 基于字体的图标集,包含了大多数常见场景的图标。
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|  * @tutorial https://www.uviewui.com/components/icon.html
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|  * @property {String} name 图标名称,见示例图标集
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|  * @property {String} color 图标颜色(默认inherit)
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|  * @property {String | Number} size 图标字体大小,单位rpx(默认32)
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|  * @property {String | Number} label-size label字体大小,单位rpx(默认28)
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|  * @property {String} label 图标右侧的label文字(默认28)
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|  * @property {String} label-pos label文字相对于图标的位置,只能right或bottom(默认right)
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|  * @property {String} label-color label字体颜色(默认#606266)
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|  * @property {Object} custom-style icon的样式,对象形式
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|  * @property {String} custom-prefix 自定义字体图标库时,需要写上此值
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|  * @property {String | Number} margin-left label在右侧时与图标的距离,单位rpx(默认6)
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|  * @property {String | Number} margin-top label在下方时与图标的距离,单位rpx(默认6)
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|  * @property {String | Number} margin-bottom label在上方时与图标的距离,单位rpx(默认6)
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|  * @property {String | Number} margin-right label在左侧时与图标的距离,单位rpx(默认6)
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|  * @property {String} label-pos label相对于图标的位置,只能right或bottom(默认right)
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|  * @property {String} index 一个用于区分多个图标的值,点击图标时通过click事件传出
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|  * @property {String} hover-class 图标按下去的样式类,用法同uni的view组件的hover-class参数,详情见官网
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|  * @property {String} width 显示图片小图标时的宽度
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|  * @property {String} height 显示图片小图标时的高度
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|  * @property {String} top 图标在垂直方向上的定位
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|  * @property {String} top 图标在垂直方向上的定位
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|  * @property {String} top 图标在垂直方向上的定位
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|  * @property {Boolean} show-decimal-icon 是否为DecimalIcon
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|  * @property {String} inactive-color 背景颜色,可接受主题色,仅Decimal时有效
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|  * @property {String | Number} percent 显示的百分比,仅Decimal时有效
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|  * @event {Function} click 点击图标时触发
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|  * @example <u-icon name="photo" color="#2979ff" size="28"></u-icon>
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|  */
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| export default {
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| 	name: 'u-icon',
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| 	props: {
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| 		// 图标类名
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| 		name: {
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| 			type: String,
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| 			default: ''
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| 		},
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| 		// 图标颜色,可接受主题色
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| 		color: {
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| 			type: String,
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| 			default: ''
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| 		},
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| 		// 字体大小,单位rpx
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| 		size: {
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| 			type: [Number, String],
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| 			default: 'inherit'
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| 		},
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| 		// 是否显示粗体
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| 		bold: {
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| 			type: Boolean,
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| 			default: false
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| 		},
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| 		// 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)
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| 		index: {
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| 			type: [Number, String],
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| 			default: ''
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| 		},
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| 		// 触摸图标时的类名
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| 		hoverClass: {
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| 			type: String,
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| 			default: ''
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| 		},
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| 		// 自定义扩展前缀,方便用户扩展自己的图标库
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| 		customPrefix: {
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| 			type: String,
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| 			default: 'uicon'
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| 		},
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| 		// 图标右边或者下面的文字
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| 		label: {
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| 			type: [String, Number],
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| 			default: ''
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| 		},
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| 		// label的位置,只能右边或者下边
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| 		labelPos: {
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| 			type: String,
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| 			default: 'right'
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| 		},
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| 		// label的大小
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| 		labelSize: {
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| 			type: [String, Number],
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| 			default: '28'
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| 		},
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| 		// label的颜色
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| 		labelColor: {
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| 			type: String,
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| 			default: '#606266'
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| 		},
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| 		// label与图标的距离(横向排列)
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| 		marginLeft: {
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| 			type: [String, Number],
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| 			default: '6'
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| 		},
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| 		// label与图标的距离(竖向排列)
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| 		marginTop: {
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| 			type: [String, Number],
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| 			default: '6'
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| 		},
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| 		// label与图标的距离(竖向排列)
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| 		marginRight: {
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| 			type: [String, Number],
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| 			default: '6'
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| 		},
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| 		// label与图标的距离(竖向排列)
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| 		marginBottom: {
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| 			type: [String, Number],
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| 			default: '6'
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| 		},
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| 		// 图片的mode
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| 		imgMode: {
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| 			type: String,
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| 			default: 'widthFix'
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| 		},
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| 		// 自定义样式
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| 		customStyle: {
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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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| 		// 用于显示图片小图标时,图片的宽度
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| 		width: {
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| 			type: [String, Number],
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| 			default: ''
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| 		},
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| 		// 用于显示图片小图标时,图片的高度
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| 		height: {
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| 			type: [String, Number],
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| 			default: ''
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| 		},
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| 		// 用于解决某些情况下,让图标垂直居中的用途
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| 		top: {
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| 			type: [String, Number],
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| 			default: 0
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| 		},
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| 		// 是否为DecimalIcon
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| 		showDecimalIcon: {
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| 			type: Boolean,
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| 			default: false
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| 		},
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| 		// 背景颜色,可接受主题色,仅Decimal时有效
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| 		inactiveColor: {
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| 			type: String,
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| 			default: '#ececec'
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| 		},
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| 		// 显示的百分比,仅Decimal时有效
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| 		percent: {
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| 			type: [Number, String],
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| 			default: '50'
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| 		}
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| 	},
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| 	computed: {
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| 		customClass() {
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| 			let classes = []
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| 			classes.push(this.customPrefix + '-' + this.name)
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| 			// uView的自定义图标类名为u-iconfont
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| 			if (this.customPrefix == 'uicon') {
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| 				classes.push('u-iconfont')
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| 			} else {
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| 				classes.push(this.customPrefix)
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| 			}
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| 			// 主题色,通过类配置
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| 			if (this.showDecimalIcon && this.inactiveColor && this.$u.config.type.includes(this.inactiveColor)) {
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| 				classes.push('u-icon__icon--' + this.inactiveColor)
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| 			} else if (this.color && this.$u.config.type.includes(this.color)) classes.push('u-icon__icon--' + this.color)
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| 			// 阿里,头条,百度小程序通过数组绑定类名时,无法直接使用[a, b, c]的形式,否则无法识别
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| 			// 故需将其拆成一个字符串的形式,通过空格隔开各个类名
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| 			//#ifdef MP-ALIPAY || MP-TOUTIAO || MP-BAIDU
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| 			classes = classes.join(' ')
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| 			//#endif
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| 			return classes
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| 		},
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| 		iconStyle() {
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| 			let style = {}
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| 			style = {
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| 				fontSize: this.size == 'inherit' ? 'inherit' : this.$u.addUnit(this.size),
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| 				fontWeight: this.bold ? 'bold' : 'normal',
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| 				// 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
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| 				top: this.$u.addUnit(this.top)
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| 			}
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| 			// 非主题色值时,才当作颜色值
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| 			if (this.showDecimalIcon && this.inactiveColor && !this.$u.config.type.includes(this.inactiveColor)) {
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| 				style.color = this.inactiveColor
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| 			} else if (this.color && !this.$u.config.type.includes(this.color)) style.color = this.color
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| 
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| 			return style
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| 		},
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| 		// 判断传入的name属性,是否图片路径,只要带有"/"均认为是图片形式
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| 		isImg() {
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| 			return this.name.indexOf('/') !== -1
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| 		},
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| 		imgStyle() {
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| 			let style = {}
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| 			// 如果设置width和height属性,则优先使用,否则使用size属性
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| 			style.width = this.width ? this.$u.addUnit(this.width) : this.$u.addUnit(this.size)
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| 			style.height = this.height ? this.$u.addUnit(this.height) : this.$u.addUnit(this.size)
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| 			return style
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| 		},
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| 		decimalIconStyle() {
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| 			let style = {}
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| 			style = {
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| 				fontSize: this.size == 'inherit' ? 'inherit' : this.$u.addUnit(this.size),
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| 				fontWeight: this.bold ? 'bold' : 'normal',
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| 				// 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
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| 				top: this.$u.addUnit(this.top),
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| 				width: this.percent + '%'
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| 			}
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| 			// 非主题色值时,才当作颜色值
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| 			if (this.color && !this.$u.config.type.includes(this.color)) style.color = this.color
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| 			return style
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| 		},
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| 		decimalIconClass() {
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| 			let classes = []
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| 			classes.push(this.customPrefix + '-' + this.name)
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| 			// uView的自定义图标类名为u-iconfont
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| 			if (this.customPrefix == 'uicon') {
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| 				classes.push('u-iconfont')
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| 			} else {
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| 				classes.push(this.customPrefix)
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| 			}
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| 			// 主题色,通过类配置
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| 			if (this.color && this.$u.config.type.includes(this.color)) classes.push('u-icon__icon--' + this.color)
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| 			else classes.push('u-icon__icon--primary')
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| 			// 阿里,头条,百度小程序通过数组绑定类名时,无法直接使用[a, b, c]的形式,否则无法识别
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| 			// 故需将其拆成一个字符串的形式,通过空格隔开各个类名
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| 			//#ifdef MP-ALIPAY || MP-TOUTIAO || MP-BAIDU
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| 			classes = classes.join(' ')
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| 			//#endif
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| 			return classes
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| 		}
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| 	},
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| 	methods: {
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| 		click() {
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| 			this.$emit('click', this.index)
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| 		},
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| 		touchstart() {
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| 			this.$emit('touchstart', this.index)
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| 		}
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| 	}
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| }
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| </script>
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| 
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| <style scoped lang="scss">
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| @import "../../libs/css/style.components.scss";
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| @import '../../iconfont.css';
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| 
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| .u-icon {
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| 	display: inline-flex;
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| 	align-items: center;
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| 
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| 	&--left {
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| 		flex-direction: row-reverse;
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| 		align-items: center;
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| 	}
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| 
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| 	&--right {
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| 		flex-direction: row;
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| 		align-items: center;
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| 	}
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| 
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| 	&--top {
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| 		flex-direction: column-reverse;
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| 		justify-content: center;
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| 	}
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| 
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| 	&--bottom {
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| 		flex-direction: column;
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| 		justify-content: center;
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| 	}
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| 
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| 	&__icon {
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| 		position: relative;
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| 
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| 		&--primary {
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| 			color: $u-type-primary;
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| 		}
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| 
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| 		&--success {
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| 			color: $u-type-success;
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| 		}
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| 
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| 		&--error {
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| 			color: $u-type-error;
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| 		}
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| 
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| 		&--warning {
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| 			color: $u-type-warning;
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| 		}
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| 
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| 		&--info {
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| 			color: $u-type-info;
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| 		}
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| 	}
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| 
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| 	&__decimal {
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| 		position: absolute;
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| 		top: 0;
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| 		left: 0;
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| 		display: inline-block;
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| 		overflow: hidden;
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| 	}
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| 
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| 	&__img {
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| 		height: auto;
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| 		will-change: transform;
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| 	}
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| 
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| 	&__label {
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| 		line-height: 1;
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| 	}
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| }
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| </style>
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