异步获取数据格式化成json

Ext.Ajax.request

({

url: '../trainComment/get_train_result',

success: function(response, options)

{

var result = Ext.util.JSON.decode(response.responseText);

this.train_result.setValue(result.train_result);

},

failure: function(response, options)

{

this.train_result.setValue(0);

},

scope : this,

params: { id : this.uid }

});