166 lines
5.1 KiB
JavaScript
166 lines
5.1 KiB
JavaScript
var app = getApp()
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var that = null
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Page({
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data: {
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navLeftItems: [],
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navRightItems:[],
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products: [],
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Start: 0,
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categoryid: 0,
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categoryid0: 0,
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navindex:0,
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navindex0:-1,
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loadingHidden:false
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},
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// 页面加载
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onLoad: function () {
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that = this
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that.getlist(0);//第一次加载数据
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},
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// 下拉刷新
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onPullDownRefresh: function () {
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that.clearCache();
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//在当前页面显示导航条加载动画
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wx.showNavigationBarLoading();
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//显示 loading 提示框。需主动调用 wx.hideLoading 才能关闭提示框
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wx.showLoading({
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title: '刷新中...',
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})
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that.getlist(1);//第一次加载数据
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},
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// 页面上拉触底事件（上拉加载更多）
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onReachBottom: function () {
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that.setData({
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loadingHidden:false
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});
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that.getlist(2);//后台获取新数据并追加渲染
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},
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// 清缓存
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clearCache:function(){
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that.setData({
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products: [],
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Start: 0,
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loadingHidden:false
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});
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},
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getlist: function (gp) {
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var userId = wx.getStorageSync("userId")
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var LoginId = wx.getStorageSync("LoginId")
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wx.request({
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url: app.globalData.apiurl + "/xapiajax.ashx",
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data: {
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action:"getshopcategory",
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categoryid:that.data.categoryid,
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categoryid0:that.data.categoryid0,
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Start:that.data.Start,
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userId:(!userId?"":userId),
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LoginId:(!LoginId?"":LoginId)
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},
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method:"GET",
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dataType:"json",
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header: {
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"content-type": "application/json" // 默认值
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},
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success (res) {
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if(that.data.Start==0){
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var index=that.data.navindex;
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var addlb=[{header:"全部分类",image:"",productlb:[],id:0}];
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var productlb = null;
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productlb = addlb;
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if(productlb,res.data.productlb.length>0){
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productlb.push.apply(productlb,res.data.productlb);
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}
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var productlb2=productlb[index].productlb;
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that.setData({
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navLeftItems: productlb,
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navRightItems: productlb2,
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navindex:index
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})
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}
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var tmpArr = null;
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tmpArr = that.data.products;
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if(res.data.productlist.length>0){
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tmpArr.push.apply(tmpArr,res.data.productlist);
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}
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that.setData({
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products: tmpArr,
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Start: that.data.Start+res.data.productlist.length,
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loadingHidden:true
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})
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if(gp==0||gp==1){
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if(res.data.productlist.length==0){
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that.setData({
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nodataHidden:false
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})
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}
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}
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if(gp==1){
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//隐藏loading 提示框
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wx.hideLoading();
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//隐藏导航条加载动画
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wx.hideNavigationBarLoading();
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//停止下拉刷新
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wx.stopPullDownRefresh();
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}
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}
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})
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},
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//事件处理函数
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switchRightTab: function(e) {
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var index = e.target.dataset.id;
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var categoryid=that.data.navLeftItems[index].id;
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var productlb2=that.data.navLeftItems[index].productlb;
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that.clearCache();
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that.setData({
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Start:0,
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navindex:index,
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navindex0:-1,
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categoryid:categoryid,
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categoryid0:0,
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navRightItems: productlb2
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})
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that.getlist(1);
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},
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//事件处理函数
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switchRightTab0: function(e) {
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var index = e.target.dataset.id;
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var categoryid0=0;
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if(index>-1){
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var productlb2=that.data.navLeftItems[that.data.navindex].productlb;
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categoryid0=productlb2[index].id;
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}
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that.clearCache();
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that.setData({
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Start:0,
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navindex0:index,
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categoryid0: categoryid0
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})
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that.getlist(1);
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},ondetail:function(e) {
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var userId = wx.getStorageSync("userId")
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var LoginId = wx.getStorageSync("LoginId")
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if(userId&&LoginId){
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var id = e.currentTarget.dataset.id
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wx.navigateTo({
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url: "../details/index?id="+id
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})
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}else{
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wx.navigateTo({
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url: "../login/index"
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})
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}
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}
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}) |