angular.copy

angular.copy(source, [destination])

• 作用：对象的深拷贝
• 参数：
  
  
  • source：源对象
  • destination：拷贝的对象

• 返回值：拷贝的对象

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             < 
             div 
             ng-controller 
             = 
             "Controller" 
             > 
            
   
            
   
                
             < 
             form 
             > 
            
   
            
   
                  
             Name: < 
             input 
             type 
             = 
             "text" 
             ng-model 
             = 
             "user.name" 
             />< 
             br 
             /> 
            
   
            
   
                  
             E-mail: < 
             input 
             type 
             = 
             "email" 
             ng-model 
             = 
             "user.email" 
             />< 
             br 
             /> 
            
   
            
   
                  
             Gender: < 
             input 
             type 
             = 
             "radio" 
             ng-model 
             = 
             "user.gender" 
             value 
             = 
             "male" 
             />male 
            
   
            
   
                  
             < 
             input 
             type 
             = 
             "radio" 
             ng-model 
             = 
             "user.gender" 
             value 
             = 
             "female" 
             />female< 
             br 
             /> 
            
   
            
   
                  
             < 
             button 
             ng-click 
             = 
             "reset()" 
             >RESET</ 
             button 
             > 
            
   
            
   
                  
             < 
             button 
             ng-click 
             = 
             "update(user)" 
             >SAVE</ 
             button 
             > 
            
   
            
   
                
             </ 
             form 
             > 
            
   
            
   
                
             < 
             pre 
             >form = {{user | json}}</ 
             pre 
             > 
            
   
            
   
                
             < 
             pre 
             >master = {{master | json}}</ 
             pre 
             > 
            
   
            
   
             </ 
             div 
             > 
            
   
           
      
      
     
     
     
     
  
      
      
  
       
       
   
           
  
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             var 
             app = angular.module( 
             'myApp' 
             , []); 
            
   
            
   
             app.controller( 
             'Controller' 
             , [ 
             '$scope' 
             ,  
             function 
             ($scope) { 
            
   
            
   
                  
             $scope.master= {}; 
            
   
            
  
                
            
   
            
   
                  
             $scope.update =  
             function 
             (user) { 
            
   
            
   
                    
             // Example with 1 argument 
            
   
            
   
                    
             $scope.master= angular.copy(user); 
            
   
            
   
                  
             }; 
            
   
            
  
                
            
   
            
   
                  
             $scope.reset =  
             function 
             () { 
            
   
            
   
                    
             // Example with 2 arguments 
            
   
            
   
                    
             angular.copy($scope.master, $scope.user); 
            
   
            
   
                  
             }; 
            
   
            
  
                
            
   
            
   
                  
             $scope.reset(); 
            
   
            
   
             }]);