EXTJS的定时调用

    今天用到EXT的定时调用。

    EXT的定时调用类Ext.util.TaskRunner,还有一个继承了该类的定时调用类为：Ext.util.TaskManager 

 例：var runner = new Ext.util.TaskRunner();

var task = runner.start(

{

run: function(){

    //这里简单的输出 也可以有复杂处理，例如：定时从后台取值，在前台刷新数据  

    console.log(new Date());    

},

interval: 1000  //The timer resolution.

repeat:3  //The number of times to invoke the task before stopping automatically (defaults to definite).

 

});

停止一个任务：

runner.stop(task); //Stops an existing running task.

runner.stopAll(); //Stops all tasks that are currently running.

runner.destroy(); //Destroys this instance, stopping all tasks that are currently running.