angular.copy()

<!DOCTYPE html>
<html>

    <head>
        <meta charset="UTF-8">
        <title>angular.copy</title>
    </head>

    <body ng-app="copyExample">
        <h1>angular.copy</h1>
        <p>
            <span>描述:</span><br />
            <span>复制一个对象或者数组</span>
        </p>
        <p>
            <span>使用方法:</span><br />
            <span>angular.copy(source, [destination])</span>
        </p>
        <p>
            <span>参数:</span><br />
            <span>source: 被copy的对象,可以使用任意类型,包括null和undefined</span><br />
            <span>destination(optional):Object || array,copy去的目的地可以省略,如果不省略,其必须和source是同类</span><br />
        </p>
        <p>
            <span>返回值:</span><br />
            <span>返回这个应用程序的新创建的injector(注入)对象</span>
        </p>
        <hr />
        <div ng-controller="exampleController">
            <form novalidate class="siple_form">
                姓名:<input type="text" ng-model="user.name"/><br />
                邮箱:<input type="email" ng-model="user.email"/>(输入email格式)<br />
                性别:<input type="radio" ng-model="user.gender" value="boy"/>男
                <input type="radio" ng-model="user.gender" value="girl"/>女<br />
                <button ng-click="reset()">reset</button>
                <button ng-click="save(user)">save</button>
            </form>
            <pre>form = {{user | json}}</pre>
            <pre>master = {{master | json}}</pre>
        </div>
    </body>
    <script src="../../js/angular.1.3.0.js" type="text/javascript" charset="utf-8"></script>
    <script type="text/javascript">
        angular.module('copyExample', []).controller('exampleController', ['$scope', function($scope){
            $scope.master = {};
            $scope.save = function(user){
                //console.log('保存')
                $scope.master = angular.copy(user)
            };
            $scope.reset = function(){
                //console.log('重置')
                angular.copy($scope.master, $scope.user)
            }
            $scope.reset();
        }])
    </script>

</html>
原文地址:https://www.cnblogs.com/tanxiang6690/p/9764647.html