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291 lines
6.9 KiB
291 lines
6.9 KiB
<template>
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<view class="swipe_action_box" @touchstart="onTouchstart" @touchmove="onTouchmove" @touchcancel="onTouchcancel" @touchend="onTouchend">
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<view class="swipe_action_item" :style="{ width: (screenWidth + maxWidth) + 'px', transform: 'translateX(' + translateX + 'px)', transition: 'transform ' + animationTime + 'ms cubic-bezier(.165, .84, .44, 1)' }">
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<view class="swipe_action_content"><slot></slot></view>
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<view class="swipe_action_btn_box" ref="swipeActionBtnBox" :class="{'mune-show': mune_show}">
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<view v-for="(item,index) of options" :key="index" class="swipe_action_btn" :style="{
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backgroundColor: item.style && item.style.backgroundColor ? item.style.backgroundColor : '#C7C6CD'
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}" @click.stop="onBtn(index,item)">
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<text :style="{
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fontSize: item.style && item.style.fontSize ? item.style.fontSize : '14px',
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color: item.style && item.style.color ? item.style.color : '#FFFFFF'
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}">{{ item.text }}</text>
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</view>
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</view>
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</view>
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</view>
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</template>
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<script>
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// https://ext.dcloud.net.cn/plugin?id=2177
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// #ifdef APP-NVUE
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const dom = weex.requireModule('dom');
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// #endif
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export default {
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props: {
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/**
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* 按钮内容
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*/
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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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* 禁用
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*/
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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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/**
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* 变量控制开关
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*/
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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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/**
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* 是否自动关闭
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*/
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autoClose: {
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type: Boolean,
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default: true
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},
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/**
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* swipe-action 的索引值
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*/
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index: {
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type: Number,
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default: 0
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}
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},
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data() {
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return {
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//开始触摸时间
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startTime: 0,
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//开始触摸距离
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touchStartX: 0,
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//最大距离
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maxWidth: 58,
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//滑动距离
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translateX: 0,
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animationTime: 0,
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//上次的位置
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currentX: 0,
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screenWidth: 0,
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mune_show: false
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};
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},
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watch:{
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show(val){
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if(val){
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this.animationTime = 350;
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this.translateX = -this.maxWidth;
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}else {
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this.animationTime = 350;
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this.translateX = 0;
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}
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},
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translateX(val){
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if(val == 0){
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this.mune_show = false;
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}else{
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this.mune_show = true;
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}
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}
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},
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created() {
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let systemInfo = uni.getSystemInfoSync();
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this.screenWidth = systemInfo.screenWidth;
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},
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mounted() {
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const _this = this;
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setTimeout(() => {
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// #ifdef APP-NVUE
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dom.getComponentRect(this.$refs['swipeActionBtnBox'], (data) => {
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_this.maxWidth = data.size.width;
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if(_this.show){
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_this.animationTime = 350;
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_this.translateX = -data.size.width;
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}
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});
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// #endif
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// #ifndef APP-NVUE
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uni.createSelectorQuery().in(this).selectAll('.swipe_action_btn_box')
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.boundingClientRect(data => {
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_this.maxWidth = data[0].width;
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if(_this.show){
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_this.animationTime = 350;
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_this.translateX = -data[0].width;
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}
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}).exec()
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// #endif
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},500);
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},
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//方法
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methods: {
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onBtn(index, item) {
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this.$emit('button', {
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content: item,
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index: this.index,
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buttonIndex: index
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});
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if(this.autoClose){
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this.animationTime = 350;
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this.translateX = 0;
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}
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},
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// 手指触摸动作开始
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onTouchstart(e) {
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if(this.disabled){
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return;
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}
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//储存手指触摸坐标，当前时间戳，当前坐标
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// #ifdef APP-NVUE
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this.touchStartX = e.changedTouches[0].screenX;
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// #endif
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// #ifndef APP-NVUE
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this.touchStartX = e.changedTouches[0].clientX;
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// #endif
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this.startTime = new Date().getTime();
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this.currentX = this.translateX;
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},
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// 手指触摸后移动
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onTouchmove(e) {
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if(this.disabled){
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return;
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}
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//手指当前坐标
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// #ifdef APP-NVUE
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const clientX = e.changedTouches[0].screenX;
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// #endif
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// #ifndef APP-NVUE
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const clientX = e.changedTouches[0].clientX;
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// #endif
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//计算滑动距离
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const difference = this.touchStartX - clientX;
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//判断左滑还是右滑
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if (difference > 0) {
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//计算当前已滑动距离
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const leftDifference = this.currentX - Math.abs(difference);
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//判断是否大于滑动的最大宽度
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if (this.maxWidth < Math.abs(leftDifference)) {
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this.animationTime = 0;
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this.translateX = -this.maxWidth;
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} else {
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this.animationTime = 0;
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this.translateX = leftDifference;
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}
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} else {
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const rightDifference = this.currentX + Math.abs(difference);
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if (0 < rightDifference) {
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this.animationTime = 0;
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this.translateX = 0;
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} else {
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this.animationTime = 0;
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this.translateX = rightDifference;
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}
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}
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},
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// 手指触摸动作被打断，如来电提醒，弹窗
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onTouchcancel(e) {
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if(this.disabled){
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return;
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}
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// #ifdef APP-NVUE
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this.finallySlide(e.changedTouches[0].screenX);
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// #endif
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// #ifndef APP-NVUE
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this.finallySlide(e.changedTouches[0].clientX);
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// #endif
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},
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// 手指触摸动作结束
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onTouchend(e) {
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if(this.disabled){
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return;
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}
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// #ifdef APP-NVUE
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this.finallySlide(e.changedTouches[0].screenX);
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// #endif
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// #ifndef APP-NVUE
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this.finallySlide(e.changedTouches[0].clientX);
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// #endif
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},
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//最终判断滑动
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finallySlide(finallyX) {
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//手指离开的时间
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const endTime = new Date().getTime();
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//手机滑动屏幕的总花费时间
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const timeDifference = endTime - this.startTime;
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//手指触摸总滑动距离
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const distanceDifference = this.touchStartX - finallyX;
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//判断最终滑动方向
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if (distanceDifference > 0) {
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//判断是否滑动到左边 滑动距离超过3分之一 或者 滑动时间在300毫秒并且距离在4分之一
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if (Math.abs(this.translateX) > this.maxWidth / 2 || (timeDifference < 300 && distanceDifference > this.maxWidth / 4)) {
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this.animationTime = 350;
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this.translateX = -this.maxWidth;
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} else {
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this.animationTime = 350;
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this.translateX = 0;
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}
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} else if (distanceDifference < 0) {
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//判断是否滑动到右边 滑动距离超过3分之一 或者 滑动时间在300毫秒并且距离在4分之一
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if (Math.abs(this.translateX) < this.maxWidth / 2 || (timeDifference < 300 && Math.abs(distanceDifference) > this.maxWidth / 4)) {
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this.animationTime = 350;
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this.translateX = 0;
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} else {
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this.animationTime = 350;
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this.translateX = -this.maxWidth;
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}
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}
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}
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}
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};
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</script>
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<style scoped>
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.swipe_action_box {
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overflow: hidden;
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width: 750rpx;
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}
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.swipe_action_item {
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/* #ifndef APP-NVUE */
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display: flex;
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/* #endif */
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flex-direction: row;
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}
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.swipe_action_content {
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/* width: 750rpx; */
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width: max-content;
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/* #ifndef APP-NVUE */
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flex-shrink: 0;
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/* #endif */
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}
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.swipe_action_btn_box {
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/* #ifndef APP-NVUE */
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display: flex;
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flex-shrink: 0;
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/* #endif */
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flex-direction: row;
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visibility: hidden;
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}
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.mune-show{
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visibility: initial;
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}
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.swipe_action_btn {
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/* #ifndef APP-NVUE */
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display: flex;
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/* #endif */
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flex-direction: row;
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align-items: center;
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justify-content: center;
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padding: 0 30rpx;
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}
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.swipe_action_btn:nth-child(1){
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margin-left: 20rpx;
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}
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</style>
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