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217 lines
5.3 KiB
217 lines
5.3 KiB
3 months ago
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<template>
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<view v-if="show" class="u-badge" :class="[
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isDot ? 'u-badge-dot' : '',
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size == 'mini' ? 'u-badge-mini' : '',
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type ? 'u-badge--bg--' + type : ''
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]" :style="[{
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top: offset[0] + 'rpx',
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right: offset[1] + 'rpx',
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fontSize: fontSize + 'rpx',
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position: absolute ? 'absolute' : 'static',
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color: color,
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backgroundColor: bgColor
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}, boxStyle]"
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>
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{{showText}}
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</view>
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</template>
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<script>
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/**
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* badge 角标
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* @description 本组件一般用于展示头像的地方,如个人中心,或者评论列表页的用户头像展示等场所。
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* @tutorial https://www.uviewui.com/components/badge.html
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* @property {String Number} count 展示的数字,大于 overflowCount 时显示为 ${overflowCount}+,为0且show-zero为false时隐藏
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* @property {Boolean} is-dot 不展示数字,只有一个小点(默认false)
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* @property {Boolean} absolute 组件是否绝对定位,为true时,offset参数才有效(默认true)
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* @property {String Number} overflow-count 展示封顶的数字值(默认99)
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* @property {String} type 使用预设的背景颜色(默认error)
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* @property {Boolean} show-zero 当数值为 0 时,是否展示 Badge(默认false)
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* @property {String} size Badge的尺寸,设为mini会得到小一号的Badge(默认default)
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* @property {Array} offset 设置badge的位置偏移,格式为 [x, y],也即设置的为top和right的值,单位rpx。absolute为true时有效(默认[20, 20])
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* @property {String} color 字体颜色(默认#ffffff)
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* @property {String} bgColor 背景颜色,优先级比type高,如设置,type参数会失效
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* @property {Boolean} is-center 组件中心点是否和父组件右上角重合,优先级比offset高,如设置,offset参数会失效(默认false)
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* @example <u-badge type="error" count="7"></u-badge>
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*/
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export default {
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name: 'u-badge',
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props: {
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// primary,warning,success,error,info
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type: {
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type: String,
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default: 'error'
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},
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// default, mini
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size: {
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type: String,
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default: 'default'
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},
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//是否是圆点
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isDot: {
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type: Boolean,
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default: false
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},
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// 显示的数值内容
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count: {
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type: [Number, String],
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},
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// 展示封顶的数字值
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overflowCount: {
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type: Number,
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default: 99
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},
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// 当数值为 0 时,是否展示 Badge
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showZero: {
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type: Boolean,
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default: false
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},
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// 位置偏移
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offset: {
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type: Array,
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default: () => {
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return [20, 20]
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}
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},
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// 是否开启绝对定位,开启了offset才会起作用
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absolute: {
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type: Boolean,
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default: true
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},
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// 字体大小
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fontSize: {
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type: [String, Number],
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default: '24'
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},
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// 字体演示
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color: {
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type: String,
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default: '#ffffff'
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},
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// badge的背景颜色
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bgColor: {
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type: String,
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default: ''
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},
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// 是否让badge组件的中心点和父组件右上角重合,配置的话,offset将会失效
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isCenter: {
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type: Boolean,
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default: false
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}
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},
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computed: {
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// 是否将badge中心与父组件右上角重合
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boxStyle() {
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let style = {};
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if(this.isCenter) {
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style.top = 0;
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style.right = 0;
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// Y轴-50%,意味着badge向上移动了badge自身高度一半,X轴50%,意味着向右移动了自身宽度一半
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style.transform = "translateY(-50%) translateX(50%)";
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} else {
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style.top = this.offset[0] + 'rpx';
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style.right = this.offset[1] + 'rpx';
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style.transform = "translateY(0) translateX(0)";
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}
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// 如果尺寸为mini,后接上scale()
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if(this.size == 'mini') {
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style.transform = style.transform + " scale(0.8)";
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}
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return style;
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},
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// isDot类型时,不显示文字
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showText() {
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if(this.isDot) return '';
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else {
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if(this.count > this.overflowCount) return `${this.overflowCount}+`;
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else return this.count;
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}
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},
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// 是否显示组件
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show() {
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// 如果count的值为0,并且showZero设置为false,不显示组件
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if(this.count == 0 && this.showZero == false) return false;
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else return true;
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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-badge {
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/* #ifndef APP-NVUE */
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display: inline-flex;
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/* #endif */
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justify-content: center;
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align-items: center;
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line-height: 24rpx;
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padding: 4rpx 8rpx;
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border-radius: 100rpx;
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z-index: 9;
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&--bg--primary {
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background-color: $u-type-primary;
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}
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&--bg--error {
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background-color: $u-type-error;
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}
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&--bg--success {
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background-color: $u-type-success;
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}
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&--bg--info {
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background-color: $u-type-info;
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}
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&--bg--warning {
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background-color: $u-type-warning;
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}
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}
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.u-badge-dot {
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height: 16rpx;
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width: 16rpx;
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border-radius: 100rpx;
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line-height: 1;
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}
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.u-badge-mini {
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transform: scale(0.8);
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transform-origin: center center;
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}
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// .u-primary {
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// background: $u-type-primary;
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// color: #fff;
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// }
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// .u-error {
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// background: $u-type-error;
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// color: #fff;
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// }
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// .u-warning {
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// background: $u-type-warning;
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// color: #fff;
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// }
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// .u-success {
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// background: $u-type-success;
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// color: #fff;
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// }
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// .u-black {
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// background: #585858;
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// color: #fff;
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// }
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.u-info {
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background-color: $u-type-info;
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color: #fff;
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}
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</style>
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