model 的验证

 Ext.onReady(function(){
              Ext.define('User', {
                 extend: 'Ext.data.Model',
                 fields: [
                     { name: 'name', type: 'string' },
                     { name: 'gender', type: 'string'},
                     { name: 'username', type: 'string' },
                     { name: 'f', type: 'string'},
                 ],  

                 validators:{
                     //判断id不得大于1位,
                     //age: { type: 'presence'},
                     name: { type: 'length', min: 2, max: 5},
                     gender: { type: 'inclusion', list: ['Male', 'Female'] },
                     username: { type: 'exclusion', list: ['Admin', 'Operator'] },
                     f: function(value){ alert(value);  },  //自定义方法判断
                 }
             });  

             var instance = Ext.create('User', {
                 name: '1',
                 gender: 'Male',
                 username: 'not Admin',
                 f: 'hello',
             });   

             var validation = instance.getValidation();
             //验证成功返回false 验证失败返回true
             alert(validation.isValid());  //判断验证是否正确
             console.log(validation);
         });