增加晶全app静态页面
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node_modules/vk-uview-ui/components/u-swipe-action/u-swipe-action.vue
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vendored
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256
node_modules/vk-uview-ui/components/u-swipe-action/u-swipe-action.vue
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<template>
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<view class="">
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<movable-area class="u-swipe-action" :style="{ backgroundColor: bgColor }">
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<movable-view
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class="u-swipe-view"
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@change="change"
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@touchend="touchend"
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@touchstart="touchstart"
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direction="horizontal"
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:disabled="disabled"
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:x="moveX"
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:style="{
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width: movableViewWidth ? movableViewWidth : '100%'
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}"
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>
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<view
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class="u-swipe-content"
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@tap.stop="contentClick"
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>
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<slot></slot>
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</view>
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<view class="u-swipe-del" v-if="showBtn" @tap.stop="btnClick(index)" :style="[btnStyle(item.style)]" v-for="(item, index) in options" :key="index">
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<view class="u-btn-text">{{ item.text }}</view>
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</view>
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</movable-view>
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</movable-area>
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</view>
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</template>
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<script>
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/**
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* swipeAction 左滑单元格
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* @description 该组件一般用于左滑唤出操作菜单的场景，用的最多的是左滑删除操作。
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* @tutorial https://www.uviewui.com/components/swipeAction.html
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* @property {String} bg-color 整个组件背景颜色（默认#ffffff）
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* @property {Array} options 数组形式，可以配置背景颜色和文字
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* @property {String Number} index 标识符，点击时候用于区分点击了哪一个，用v-for循环时的index即可
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* @property {String Number} btn-width 按钮宽度，单位rpx（默认180）
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* @property {Boolean} disabled 是否禁止某个swipeAction滑动（默认false）
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* @property {Boolean} show 打开或者关闭某个组件（默认false）
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* @event {Function} click 点击组件时触发
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* @event {Function} close 组件触发关闭状态时
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* @event {Function} content-click 点击内容时触发
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* @event {Function} open 组件触发打开状态时
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* @example <u-swipe-action btn-text="收藏">...</u-swipe-action>
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*/
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export default {
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name: 'u-swipe-action',
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emits: ["click", "content-click", "open", "close"],
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props: {
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// index值，用于得知点击删除的是哪个按钮
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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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// 滑动按钮的宽度，单位为rpx
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btnWidth: {
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type: [String, Number],
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default: 180
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},
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// 是否禁止某个action滑动
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disabled: {
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type: Boolean,
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default: false
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},
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// 打开或者关闭组件
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show: {
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type: Boolean,
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default: false
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},
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// 组件背景颜色
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bgColor: {
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type: String,
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default: '#ffffff'
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},
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// 是否使手机发生短促震动，目前只在iOS的微信小程序有效(2020-05-06)
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vibrateShort: {
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type: Boolean,
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default: false
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},
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// 按钮操作参数
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options: {
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type: Array,
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default() {
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return [];
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}
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}
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},
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watch: {
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show: {
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immediate: true,
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handler(nVal, oVal) {
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if (nVal) {
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this.open();
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} else {
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this.close();
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}
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}
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}
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},
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data() {
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return {
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moveX: 0, // movable-view元素在x轴上需要移动的目标移动距离，用于展开或收起滑动的按钮
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scrollX: 0, // movable-view移动过程中产生的change事件中的x轴移动值
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status: false, // 滑动的状态，表示当前是展开还是关闭按钮的状态
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movableAreaWidth: 0, // 滑动区域
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elId: this.$u.guid(), // id，用于通知另外组件关闭时的识别
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showBtn: false, // 刚开始渲染视图时不显示右边的按钮，避免视图闪动
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};
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},
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computed: {
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movableViewWidth() {
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return this.movableAreaWidth + this.allBtnWidth + 'px';
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},
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innerBtnWidth() {
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return uni.upx2px(this.btnWidth);
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},
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allBtnWidth() {
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return uni.upx2px(this.btnWidth) * this.options.length;
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},
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btnStyle() {
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return style => {
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let css = {};
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style.width = this.btnWidth + 'rpx';
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return style;
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};
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}
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},
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mounted() {
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this.getActionRect();
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},
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methods: {
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// 点击按钮
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btnClick(index) {
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this.status = false;
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// this.index为点击的几个组件，index为点击某个组件的第几个按钮(options数组的索引)
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this.$emit('click', this.index, index);
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},
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// movable-view元素移动事件
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change(e) {
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this.scrollX = e.detail.x;
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},
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// 关闭按钮状态
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close() {
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this.moveX = 0;
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this.status = false;
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},
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// 打开按钮的状态
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open() {
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if (this.disabled) return;
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this.moveX = -this.allBtnWidth;
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this.status = true;
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},
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// 用户手指离开movable-view元素，停止触摸
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touchend() {
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this.moveX = this.scrollX;
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// 停止触摸时候，判断当前是展开还是关闭状态
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// 关闭状态
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// 这一步很重要，需要先给this.moveX一个变化的随机值，否则因为前后设置的为同一个值
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// props单向数据流的原因，导致movable-view元素不会发生变化，切记，详见文档：
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// https://uniapp.dcloud.io/use?id=%e5%b8%b8%e8%a7%81%e9%97%ae%e9%a2%98
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this.$nextTick(function() {
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if (this.status == false) {
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// 关闭状态左滑，产生的x轴位移为负值，也就是说滑动的距离大于按钮的四分之一宽度，自动展开按钮
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if (this.scrollX <= -this.allBtnWidth / 4) {
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this.moveX = -this.allBtnWidth; // 按钮宽度的负值，即为展开状态movable-view元素左滑的距离
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this.status = true; // 标志当前为展开状态
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this.emitOpenEvent();
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// 产生震动效果
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if (this.vibrateShort) uni.vibrateShort();
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} else {
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this.moveX = 0; // 如果距离没有按钮宽度的四分之一，自动收起
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this.status = false;
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this.emitCloseEvent();
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}
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} else {
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// 如果在打开的状态下，右滑动的距离X轴偏移超过按钮的四分之一(负值反过来的四分之三)，自动收起按钮
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if (this.scrollX > (-this.allBtnWidth * 3) / 4) {
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this.moveX = 0;
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this.$nextTick(() => {
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this.moveX = 101;
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});
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this.status = false;
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this.emitCloseEvent();
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} else {
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this.moveX = -this.allBtnWidth;
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this.status = true;
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this.emitOpenEvent();
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}
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}
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});
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},
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emitOpenEvent() {
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this.$emit('open', this.index);
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},
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emitCloseEvent() {
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this.$emit('close', this.index);
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},
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// 开始触摸
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touchstart() {},
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getActionRect() {
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this.$uGetRect('.u-swipe-action').then(res => {
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this.movableAreaWidth = res.width;
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// 等视图更新完后，再显示右边的可滑动按钮，防止这些按钮会"闪一下"
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this.$nextTick(() => {
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this.showBtn = true;
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})
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});
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},
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// 点击内容触发事件
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contentClick() {
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// 点击内容时，如果当前为打开状态，收起组件
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if (this.status == true) {
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this.status = 'close';
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this.moveX = 0;
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}
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this.$emit('content-click', this.index);
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}
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}
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};
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</script>
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<style scoped lang="scss">
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@import "../../libs/css/style.components.scss";
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.u-swipe-action {
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width: auto;
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height: initial;
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position: relative;
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overflow: hidden;
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}
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.u-swipe-view {
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@include vue-flex;
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height: initial;
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position: relative;
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/* 这一句很关键，覆盖默认的绝对定位 */
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}
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.u-swipe-content {
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flex: 1;
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}
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.u-swipe-del {
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position: relative;
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font-size: 30rpx;
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color: #ffffff;
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}
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.u-btn-text {
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position: absolute;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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}
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</style>
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