fieldset的getValues扩展方法

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1. 群里有个人问有没有像form的getValues方法，可惜没有，于是就动手扩展了一个。一下是扩展方法的代码  

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1. Ext.override(Ext.form.FieldSet,  
2.                                     {  
3.                                         getValues: function (asString) {  
4.                                             var self = this;  
5.                                             var nform = document.createElement('form');  
6.                                             document.appendChild(nform);  
7.                                             nform.style.display = 'none';  
8.                                             var fs = self.el.dom;  
9.                                             nform.appendChild(fs.cloneNode(true));  
10.                                             var fss = Ext.lib.Ajax.serializeForm(nform);  
11.                                             document.removeChild(nform);  
12.                                             if (asString) {  
13.                                                 return fss;  
14.                                             }  
15.                                             return Ext.urlDecode(fss);  
16.                                         }  
17.                                     });  

使用例子：

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1. var form = new Ext.form.FieldSet({  
2.                     title: 'form',  
3.                     defaultType: 'textfield',  
4.                     labelAlign: 'right',  
5.                     labelWidth: 50,  
6.                     buttonAlign: 'center',  
7.                     frame: true,  
8.                     width: 220,  
9.                     items: [{  
10.                         fieldLabel: '文本框',  
11.                         name: 'field1',  
12.                         value: 45  
13.                     }, {  
14.                         fieldLabel: '文本框',  
15.                         name: 'field2',  
16.                         value: 12  
17.                     }],  
18.                     buttons: [{  
19.                         text: '按钮'  
20.                     }]  
21.                 });  
22.                 form.render("form");  
23.                 form.getValues();