Detailed explanation of angular.js implementation of shopping cart function-JS Tutorial-php.cn

Home

Web Front-end

JS Tutorial

Detailed explanation of angular.js implementation of shopping cart function

小云云

Jan 04, 2018 am 09:55 AM

angular.jsjavascriptshopping cart

This article mainly introduces the implementation code of the angular.js shopping cart function in detail. It has certain reference value. Interested friends can refer to it. I hope it can help everyone.

The example in this article shares the specific code of the angular.js shopping cart function for your reference. The specific content is as follows

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>购物车</title>
  <script src="angularjs/angular.js"></script>
  <style>
    .box{
      width: 100%;
      border-bottom: 1px solid silver;
    }
    .box1{
      width: 100%;
      margin-top: 5px;
    }
    .box1 button{
      width: 100px;
      height: 40px;
      background: crimson;
      color: white;
      text-align: center;
      line-height: 40px;
      float: right;
      border: 0;
      border-radius: 13px;
    }
    table{
      width: 100%;
    }
    tr td button{
      background: blue;
      color: white;
      border: 0;
    }

  </style>
  <script>
    var my=angular.module("my",[]);
    my.controller("mys",function ($scope) {
      /*声明数据对象，初始化商品信息，数据自拟且不低于四条*/
      $scope.arr=[
        {name:"qq",price:12.9,number:2,state:false},
        {name:"wx",price:23.9,number:1,state:false},
        {name:"aa",price:99.9,number:1,state:false},
        {name:"bb",price:10.9,number:5,state:false}
      ];
      /*删除条目*/
      $scope.del=function (index) {
        if(confirm("确定移除此项嘛？")){
          $scope.arr.splice(index,1);
        }
      }
      /*点击”+”按钮输入框中的数量加1,同时可以计算出商品小计,和购物 车总价*/
      $scope.jia=function (index) {
        $scope.arr[index].number++;
      }
      /*当点击”-”按钮时输入框中的数量减1,商品小计和总价*/
      $scope.jian=function (index) {
        if($scope.arr[index].number>1){
          $scope.arr[index].number--;
        }
        else if($scope.arr[index].number==1){
          if(confirm("用户是否删除该商品")){
            $scope.arr.splice(index,1);
          }
        }
      }
      /*计算总价格*/
      $scope.allSum=function () {
        var allPrice=0;
        for(var i=0;i<$scope.arr.length;i++){
          allPrice+=$scope.arr[i].price*$scope.arr[i].number;
        }
        return allPrice;
      };
      /*清空购物车*/
      $scope.alldel=function () {
        if($scope.arr.length==0){
          alert("您的购物车已空");
        }else{
          $scope.arr=[];
        }
      }
      /*用户点击第一个checkbox代表全选，全选商品后点击删除选中商品，选中商品被删除，  若购物车商品被全部删除后*/
      $scope.allCheck=false;
      $scope.allx= function () {
        for(var i=0;i<$scope.arr.length;i++){
          if($scope.allCheck==true){
            $scope.arr[i].state=true;
          }else {
            $scope.arr[i].state=false;
          }
        }
      };
      /*每个复选框*/
      $scope.itemCheck = function () {
        var flag = 0;
        for(var i = 0; i<$scope.arr.length; i++){
          if($scope.arr[i].state == true){
            flag ++;
          }
        }
        if(flag == $scope.arr.length){
          $scope.allCheck = true;
        }else{
          $scope.allCheck = false;
        }
      };
      /*批量删除*/
      $scope.pi=function () {
        for(var i=0;i<$scope.arr.length;i++){
          if($scope.arr[i].state==true){
            $scope.arr.splice(i,1);
            i--;
            $scope.allCheck = false;
          }
        }
      }
    });
  </script>
</head>
<body ng-app="my" ng-controller="mys">
  <p class="box">
    <h2 id="我的购物车">我的购物车</h2>
  </p>
  <p class="box1">
    <button ng-click="alldel()" style="margin-right: 10px">清空购物车</button><button ng-click="pi()" style="margin-left: 5px">批量删除</button>
  </p>
  <p class="box2">
    <table border="1">
      <tr>
        <th><input type="checkbox" ng-model="allCheck" ng-click="allx()"/></th>
        <th>name</th>
        <th>price</th>
        <th>number</th>
        <th>totalPrice</th>
        <th>option</th>
      </tr>
      <!--用ng-repaet指令将对象遍历并渲染到页面中-->
      <tr ng-repeat="item in arr">
        <td><input type="checkbox" ng-model="item.state" ng-click="itemCheck()"/></td>
        <td>{{item.name}}</td>
        <td>{{item.price | currency:"￥："}}</td>
        <td><button ng-click="jian($index)">-</button>
          <input type="text" value="{{item.number}}" style="width: 30px;padding-left: 20px"/>
          <button ng-click="jia($index)">+</button>
        </td>
        <td>{{item.price*item.number | currency:"￥："}}</td>
        <td><button ng-click="del($index)">删除</button></td>
      </tr>
      <tr>
        <td colspan="6">总金额<span ng-bind="allSum()|currency:&#39;￥：&#39;"></span></td>
      </tr>
    </table>
  </p>
</body>
</html>

Related recommendations:

php Simple implementation of the add-to-shopping cart function case

javascript implementation of the simple version of the shopping cart function

##php Examples of implementing the shopping cart function

The above is the detailed content of Detailed explanation of angular.js implementation of shopping cart function. For more information, please follow other related articles on the PHP Chinese website!

Statement

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

From C/C to JavaScript: How It All WorksApr 14, 2025 am 12:05 AM

The shift from C/C to JavaScript requires adapting to dynamic typing, garbage collection and asynchronous programming. 1) C/C is a statically typed language that requires manual memory management, while JavaScript is dynamically typed and garbage collection is automatically processed. 2) C/C needs to be compiled into machine code, while JavaScript is an interpreted language. 3) JavaScript introduces concepts such as closures, prototype chains and Promise, which enhances flexibility and asynchronous programming capabilities.

JavaScript Engines: Comparing ImplementationsApr 13, 2025 am 12:05 AM

Different JavaScript engines have different effects when parsing and executing JavaScript code, because the implementation principles and optimization strategies of each engine differ. 1. Lexical analysis: convert source code into lexical unit. 2. Grammar analysis: Generate an abstract syntax tree. 3. Optimization and compilation: Generate machine code through the JIT compiler. 4. Execute: Run the machine code. V8 engine optimizes through instant compilation and hidden class, SpiderMonkey uses a type inference system, resulting in different performance performance on the same code.

Beyond the Browser: JavaScript in the Real WorldApr 12, 2025 am 12:06 AM

JavaScript's applications in the real world include server-side programming, mobile application development and Internet of Things control: 1. Server-side programming is realized through Node.js, suitable for high concurrent request processing. 2. Mobile application development is carried out through ReactNative and supports cross-platform deployment. 3. Used for IoT device control through Johnny-Five library, suitable for hardware interaction.

Building a Multi-Tenant SaaS Application with Next.js (Backend Integration)Apr 11, 2025 am 08:23 AM

I built a functional multi-tenant SaaS application (an EdTech app) with your everyday tech tool and you can do the same. First, what’s a multi-tenant SaaS application? Multi-tenant SaaS applications let you serve multiple customers from a sing

How to Build a Multi-Tenant SaaS Application with Next.js (Frontend Integration)Apr 11, 2025 am 08:22 AM

This article demonstrates frontend integration with a backend secured by Permit, building a functional EdTech SaaS application using Next.js. The frontend fetches user permissions to control UI visibility and ensures API requests adhere to role-base

JavaScript: Exploring the Versatility of a Web LanguageApr 11, 2025 am 12:01 AM

JavaScript is the core language of modern web development and is widely used for its diversity and flexibility. 1) Front-end development: build dynamic web pages and single-page applications through DOM operations and modern frameworks (such as React, Vue.js, Angular). 2) Server-side development: Node.js uses a non-blocking I/O model to handle high concurrency and real-time applications. 3) Mobile and desktop application development: cross-platform development is realized through ReactNative and Electron to improve development efficiency.

The Evolution of JavaScript: Current Trends and Future ProspectsApr 10, 2025 am 09:33 AM

The latest trends in JavaScript include the rise of TypeScript, the popularity of modern frameworks and libraries, and the application of WebAssembly. Future prospects cover more powerful type systems, the development of server-side JavaScript, the expansion of artificial intelligence and machine learning, and the potential of IoT and edge computing.

Demystifying JavaScript: What It Does and Why It MattersApr 09, 2025 am 12:07 AM

JavaScript is the cornerstone of modern web development, and its main functions include event-driven programming, dynamic content generation and asynchronous programming. 1) Event-driven programming allows web pages to change dynamically according to user operations. 2) Dynamic content generation allows page content to be adjusted according to conditions. 3) Asynchronous programming ensures that the user interface is not blocked. JavaScript is widely used in web interaction, single-page application and server-side development, greatly improving the flexibility of user experience and cross-platform development.

See all articles