Use vue2 to implement shopping cart and address selection functions

This article mainly introduces the use of vue2 to implement shopping cart and address selection functions. This article introduces it to you in great detail through a combination of example codes. Friends in need can refer to it

First of all, vue basic js writing method

new Vue({ el:"#app", //模型 data:{ }, filters:{ }, mounted:function(){ this.$nextTick(function(){ //初始化调用 }); }, computed:{ //实时计算 }, methods:{ } });

v-for

 
{{item.productName}}
 

v-model

(Real-time update)

 
{{item.productQuantity}}

v-bind

{{item.productPrice | money('元')}}

filters:{ formatMoney:function(value,type){ return "￥"+value.toFixed(2)+ type; } },

Vue.filter("money",function(value,type){ return "￥"+value.toFixed(2) + type; //保留两位小数 结果eg:￥19.00元 });

@click="method(param)" //或者 @click="delFlag=false" @click="limitNum=addressList.length"

 
  more      
 data:{ limitNum:3 }, computed:{ filterAddress:function(){ return this.addressList.slice(0,this.limitNum); } },

First put forward one or two classic examples

1. The following implements the click selection of the loop card

2. The following implements the click selection of the fixed card

 
 
标准配送
 
Free
 
 
 
高级配送
 
180
 
 
 

Digression: Since I am a novice, I will learn a little bit, and I will also record the writing method of the auxiliary pop-up box mask layer

vue2’s js syntax is posted for easy reference

1. Call the backend method

var _this = this; this.$http.get("data/address.json").then(function(response){ _this.addressList = response; //这里不能直接用this 此this非彼this 所以只能声明_this }); //以下为ES6写法，就可以直接用this了 let _this = this; //没用，就放这看看~ this.$http.get("data/cartData.json",{"id":123}).then(res=>{ this.productList = res.data.result.list; });

2.forEach Loop

this.productList.forEach(function(item,index){ if(typeof item.checked == 'undefined'){ //如果item中没有checked属性 在item对象中添加checked属性，值为true _this.$set(item,"checked",true);//局部注册 Vue.set(item,"checked",true);//全局注册 } });

The above is what I compiled for everyone. I hope it will be helpful to everyone in the future.

Related articles:

Angular 5.x Study Notes Router (routing) application

##vue2.0 resource file assets and static Detailed explanation of the difference

vuex project structure directory and some simple configuration introduction

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