- 当前 Bug 的表现（
可附上截图）
- 预期表现
- 复现路径
- 提供一个最简复现 Demo
列表循环渲染出的MySQL里的数据删除一条，之后最后一条会重复显示，数据库的信息确实删掉了，刷新函数里写onload
onshow函数都没有，提前写了onunload也没有,但是退出后再进入该页面就对了，重复的就没了，类似图中最后两栏重复
Page({
data: {
currentTab: ‘0’,
alltz: [],
alltzsj: [],
allzy:[],
allzysj: []
},
onLoad: function () {
getApp().getstatus()
wx.setNavigationBarTitle({
title: getApp().globalData.gbkcm//页面标题为路由参数
})
},
onShow: function () {
this.getalltz()
this.getalltzsj()
this.getallzy()
this.getallzysj()
},
getalltz: function () {
var that = this;
wx.request({
url: getApp().globalData.gburl +“tz/” + getApp().globalData.gbkcm,
method: ‘GET’,
header: { ‘Accept’: ‘application/json’ },
success: function (res) {
for (var i = 0, len = res.data.length; i < len; i++) {
that.data.alltz[i] = res.data[i];
that.setData({
alltz: that.data.alltz
})
}
}
})
},
getalltzsj: function () {
var that = this;
wx.request({
url: getApp().globalData.gburl +“tzsj/” + getApp().globalData.gbkcm,
method: ‘GET’,
header: { ‘Accept’: ‘application/json’ },
success: function (res) {
for (var i = 0, len = res.data.length; i < len; i++) {
that.data.alltzsj[i] = res.data[i];
that.setData({
alltzsj: that.data.alltzsj
})
}
}
})
},
getallzy: function () {
var that = this;
wx.request({
url: getApp().globalData.gburl +“zy/” + getApp().globalData.gbkcm,
method: ‘GET’,
success: function (res) {
for (var i = 0, len = res.data.length; i < len; i++) {
that.data.allzy[i] = res.data[i];
that.setData({
allzy: that.data.allzy
})
}
}
})
},
getallzysj: function () {
var that = this;
wx.request({
url: getApp().globalData.gburl +“zysj/” + getApp().globalData.gbkcm,
method: ‘GET’,
success: function (res) {
for (var i =res.data.length; i>=0; i–) {
that.data.allzysj[i] = res.data[i];
that.setData({
allzysj: that.data.allzysj
})
}
}
})
},
fbtz:function(){
if (getApp().globalData.gbstatus == 2) {
wx.showToast({
title: ‘暂无该权限’,
icon: ‘none’,
duration: 2000
})
} else {
wx.navigateTo({
url: ‘…/fbtz/fbtz’
})}
},
fbzy: function () {
if (getApp().globalData.gbstatus == 2) {
wx.showToast({
title: ‘暂无该权限’,
icon: ‘none’,
duration: 2000
})
} else {
wx.navigateTo({
url: ‘…/fbzy/fbzy’
})
}
},
sctz: function (e) {
var that=this
var index = parseInt(e.currentTarget.dataset.index);
var time = this.data.alltzsj[index]
wx.showModal({ //使用模态框提示用户进行操作
title: ‘’,
content: ‘删除此通知？’,
success: function (res) {
if (res.confirm) { //判断用户是否点击了确定
if (getApp().globalData.gbstatus== 2) {
wx.showToast({
title: ‘暂无该权限’,
icon: ‘none’,
duration: 2000
})}
else {
wx.request({
url: getApp().globalData.gburl +“sctz/” + time,
method: ‘POST’,
success: function (res) {
if(res.data==1){
wx.showToast({
title: ‘删除成功’,
icon: ‘none’,
duration: 2000
})
}
}
})
}
}
}
})
},
sczy: function (e) {
var that = this
var index = parseInt(e.currentTarget.dataset.index);
var time = this.data.allzysj[index]
wx.showModal({ //使用模态框提示用户进行操作
title: ‘’,
content: ‘删除此项作业？’,
success: function (res) {
if (res.confirm) { //判断用户是否点击了确定
if (getApp().globalData.gbstatus == 2) {
wx.showToast({
title: ‘暂无该权限’,
icon: ‘none’,
duration: 2000
})
}
else {
wx.request({
url: getApp().globalData.gburl +“sczy/” + time,
method: ‘POST’,
success: function (res) {
if (res.data == 1) {
that.onReady();
wx.showToast({
title: ‘删除成功’,
icon: ‘none’,
duration: 2000
})
}
}
})
}
}
}
})
},
bindChange: function (e) {
var that = this;
that.setData({ currentTab: e.detail.current });
},
switchNav: function (e) {
var page = this;
var index = e.target.dataset.current;
if (this.data.currentTab == index) {
return false;
} else {
page.setData({ currentTab: index });
}
},
onPullDownRefresh: function () {
wx.showNavigationBarLoading() //在标题栏中显示加载
this.onShow() //模拟加载
setTimeout(function () {// complete
wx.hideNavigationBarLoading() //完成停止加载
wx.stopPullDownRefresh() //停止下拉刷新
}, 1500);
}
})
<button class=“bto” bindtap=“fbzy”>+</button>
<view class=“txh” wx:for = “{{allzy}}” wx:for-item=“item” wx:key="" wx:for-index=“index” data-index=’{{index}}'bindlongpress=‘sczy’>
<text class=“tsj”>{{allzysj[index]}}</text>
<text class=“tnr”>{{item}}</text>
<view class=“line”></view>
</view>
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