pages/shopping/shopping.js

@@ -1,20 +1,20 @@
 // pages/shopping/shopping.js
-import {request} from "../../utils/bin"
+import { request } from "../../utils/bin"
 Page({
 
     /**
      * 页面的初始数据
      */
     data: {
-        list:[],
-        select:[],
-        userid:0,
-        price:"0.00"
+        list: [],
+        select: [],
+        userid: 0,
+        price: "0.00"
     },
-    sel(a){
+    sel(a) {
         console.log(a)
         this.setData({
-            [`select[${a.detail.index}]`]:!a.detail.select
+            [`select[${a.detail.index}]`]: !a.detail.select
         })
         this.num();
     },
@@ -22,28 +22,31 @@ Page({
     /**
      * 生命周期函数--监听页面加载
      */
-    getlist(){
+    getlist() {
         request({
-            url:"Cart/cartList/session_id/" + wx.getStorageSync('openid'),
-            data:{
-                user_id:this.data.userid
+            url: "Cart/cartList/session_id/" + wx.getStorageSync('openid'),
+            data: {
+                user_id: this.data.userid
             }
-        }).then((res)=>{
+        }).then((res) => {
             console.log(res)
             this.setData({
-                list:res.data.result
+                list: res.data.result
             })
+            this.num()
+
         })
     },
-    onLoad: function(options) {
+    onLoad: function (options) {
         request({
-            url:"User/validateOpenid"
-        }).then((res)=>{
+            url: "User/validateOpenid"
+        }).then((res) => {
             console.log(res)
             this.setData({
-                userid:res.data.data.user_id
+                userid: res.data.data.user_id
             })
             this.getlist()
+
         })
     },
     sub() {
@@ -54,98 +57,122 @@ Page({
     /**
      * 生命周期函数--监听页面初次渲染完成
      */
-    onReady: function() {
+    onReady: function () {
 
     },
 
     /**
      * 生命周期函数--监听页面显示
      */
-    onShow: function() {
+    onShow: function () {
         this.onLoad()
     },
 
     /**
      * 生命周期函数--监听页面隐藏
      */
-    onHide: function() {
+    onHide: function () {
 
     },
 
     /**
      * 生命周期函数--监听页面卸载
      */
-    onUnload: function() {
+    onUnload: function () {
 
     },
 
     /**
      * 页面相关事件处理函数--监听用户下拉动作
      */
-    onPullDownRefresh: function() {
+    onPullDownRefresh: function () {
 
     },
 
     /**
      * 页面上拉触底事件的处理函数
      */
-    onReachBottom: function() {
+    onReachBottom: function () {
 
     },
 
     /**
      * 用户点击右上角分享
      */
-    onShareAppMessage: function() {
+    onShareAppMessage: function () {
 
     },
-    num(){
+    num() {
         let num = 0;
         let sel = 0;
-        for(let i in this.data.select){
+        for (let i in this.data.select) {
             console.log(i)
-            if(this.data.select[i]){
-             num += parseFloat(this.data.list[i].goods_price)*100
-             sel++
+            if (this.data.select[i]) {
+                num += parseFloat(this.data.list[i].goods_price) * 100
+                sel++
             }
         }
-        if(sel == this.data.list.length){
+        if (sel == this.data.list.length && this.data.list.length != 0) {
             this.setData({
-                all:true
+                all: true
             })
-        }else{
+        } else {
             this.setData({
-                all:false
+                all: false
             })
         }
         this.setData({
-            price:num/100
+            price: num / 100
         })
     },
-    call(){
+    call() {
         let sel = 0;
         let select = []
-        for(let i in this.data.list){
+        for (let i in this.data.list) {
             console.log(i)
-            if(this.data.select[i]){
-            //  num += parseFloat(this.data.list[i].goods_price)*100
-             sel++
-            }else{
+            if (this.data.select[i]) {
+                //  num += parseFloat(this.data.list[i].goods_price)*100
+                sel++
+            } else {
                 select[i] = true
             }
         }
-        if(sel == this.data.list.length){
+        if (sel == this.data.list.length) {
             this.setData({
-                all:false,
-                select:[]
+                all: false,
+                select: []
             })
-        }else{
+        } else {
             this.setData({
-                all:true,
+                all: true,
                 select
             })
         }
         this.num()
 
+    },
+    del() {
+        for (let i in this.data.list) {
+            // console.log(i)
+            if (this.data.select[i]) {
+                //  num += parseFloat(this.data.list[i].goods_price)*100
+                //  sel++
+                request({
+                    url: "Cart/delCart",
+                    urldata: {
+                        id: this.data.list[i].id
+                    }
+                }).then((res) => {
+                    console.log('删除成功')
+                    this.setData({
+                        list: [],
+                        select: [],
+                        userid: 0,
+                        price: "0.00"
+                    })
+                    this.onLoad()
+                })
+            }
+        }
     }
 })

pages/shopping/shopping.wxml

@@ -18,7 +18,7 @@
          <text class="pri">${{price}}</text>
       </view>
       <view class="right">
-         <text class="del">删除</text>
+         <text class="del" bind:tap="del">删除</text>
          <text class="sub" bindtap="sub">结算</text>
       </view>
    </view>