var vm = new FOCUS({
focusId: 'item' + FOCUS.prototype.getParam("index",0), // 页面首先获取焦点的dom元素的Id
event: {
  keyOkEvent: function (focusId) {
     var index = this.getParam("index",0)
     console.log(index)
         this.handleTest()
     }
  },
methods: {
  handleTest: function () {
     alert("你点击了methods方法里的handletest")
  }
}
})
alert("点击确定会触发methods的handleTest方法")