Ext类静态方法

var Student = function(){}
  Ext.apply(Student.prototype,{
   id:0,
   name:"",
   print:function(){
    alert(String.format("id={0},name={1}",this.id,this.name));
   }
  });
  // 类静态方法
  Student.alertMsg = function(_id,_name) {
   var _student = new Student();
   _student.id = _id;
   _student.name = _name;
   _student.print();
  }
  
  Student.alertMsg(2000,'javafx');