form 非ajax提交

 Ext.onReady(function(){

			    var form = new Ext.form.FormPanel({
			        labelAlign: 'right',
			        title: 'form',
			        frame:true,
			        url: '/extdo/extWinFormSave.do',
			        width: 280,
			        items: [{
			            xtype: 'textfield',
			            fieldLabel: '文本',
			            name: 'text'
			        },{
			            xtype: 'numberfield',
			            fieldLabel: '数字',
			            name: 'number'
			        }],
			        buttons: [{
			            text: '提交',
			            handler: function() {
			                form.getForm().getEl().dom.action = form.url;
			                form.getForm().getEl().dom.submit();

			            }
			        }]
			    });
			    form.render("form");
			
			});