Extjs的标签和方法
1.加载

buttons: [{   text: 'Save',   handler: function(){     movie_form.getForm().submit({ success: function(f,a){     Ext.Msg.alert('Success', 'It worked'); },      failure: function(f,a){        Ext.Msg.alert('Warning', 'Error'); }     });   }  }, {   text: 'Reset',   handler: function(){    movie_form.getForm().reset();   } }]