mirror of
https://gitee.com/hhyykk/ipms-sjy.git
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98 lines
2.7 KiB
Vue
98 lines
2.7 KiB
Vue
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<template>
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<view
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class="u-grid"
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ref='u-grid'
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:style="[gridStyle]"
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>
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<slot />
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</view>
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</template>
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<script>
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import props from './props.js';
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/**
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* grid 宫格布局
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* @description 宫格组件一般用于同时展示多个同类项目的场景，可以给宫格的项目设置徽标组件(badge)，或者图标等，也可以扩展为左右滑动的轮播形式。
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* @tutorial https://www.uviewui.com/components/grid.html
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* @property {String | Number} col 宫格的列数（默认 3 ）
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* @property {Boolean} border 是否显示宫格的边框（默认 false ）
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* @property {String} align 宫格对齐方式，表现为数量少的时候，靠左，居中，还是靠右 （默认 'left' ）
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* @property {Object} customStyle 定义需要用到的外部样式
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* @event {Function} click 点击宫格触发
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* @example <u-grid :col="3" @click="click"></u-grid>
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*/
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export default {
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name: 'u-grid',
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mixins: [uni.$u.mpMixin, uni.$u.mixin,props],
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data() {
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return {
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index: 0,
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width: 0
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}
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},
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watch: {
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// 当父组件需要子组件需要共享的参数发生了变化，手动通知子组件
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parentData() {
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if (this.children.length) {
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this.children.map(child => {
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// 判断子组件(u-radio)如果有updateParentData方法的话，就就执行(执行的结果是子组件重新从父组件拉取了最新的值)
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typeof(child.updateParentData) == 'function' && child.updateParentData();
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})
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}
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},
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},
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created() {
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// 如果将children定义在data中，在微信小程序会造成循环引用而报错
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this.children = []
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},
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computed: {
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// 计算父组件的值是否发生变化
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parentData() {
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return [this.hoverClass, this.col, this.size, this.border];
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},
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// 宫格对齐方式
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gridStyle() {
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let style = {};
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switch (this.align) {
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case 'left':
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style.justifyContent = 'flex-start';
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break;
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case 'center':
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style.justifyContent = 'center';
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break;
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case 'right':
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style.justifyContent = 'flex-end';
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break;
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default:
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style.justifyContent = 'flex-start';
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};
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return uni.$u.deepMerge(style, uni.$u.addStyle(this.customStyle));
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}
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},
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methods: {
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// 此方法由u-grid-item触发，用于在u-grid发出事件
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childClick(name) {
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this.$emit('click', name)
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}
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}
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};
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</script>
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<style lang="scss" scoped>
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@import "../../libs/css/components.scss";
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$u-grid-width:100% !default;
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.u-grid {
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/* #ifdef MP */
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width: $u-grid-width;
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position: relative;
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box-sizing: border-box;
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overflow: hidden;
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display: block;
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/* #endif */
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justify-content: center;
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@include flex;
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flex-wrap: wrap;
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align-items: center;
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}
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</style>
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