javascript之中介者模式

function Player(name){
    this.points=0;
    this.name=name;
}
Player.prototype.play=function(){
    this.points+=1;
    mediator.played();
}
var scoreboard={
    element:document.getElementById("results"),
    update:function(score){
        var i,msg='';
        for(i in score){
            if(score.hasOwnProperty(i)){
                msg+='<p><strong>'+i+'<\/strong>:';
                msg+=score[i];
                msg+='<\/p>';
            }
        }
        this.element.innerHTML=msg;
    }
}
var mediator={
    Players:{},
    setUp:function(){
        var Players=this.Players;
        Players.home=new Player("Home");
        Players.guest=new Player("Guest");
    },
    played:function(){
        var Players=this.Players,
            score={
                Home:Players.home.points,
                Guest:Players.guest.points
            }
        scoreboard.update(score);
    },
    keypress:function(e){
        e=e || window.event;
        if(e.which===49){
            mediator.Players.home.play();
            return ;
        }
        if(e.which===48){
            mediator.Players.guest.play();
            return ;
        }
    }
}
mediator.setUp();
window.onkeypress=mediator.keypress;
setTimeout(function(){window.onkeypress=null;alert("GAME OVER");},30000)

 

转载于:https://www.cnblogs.com/wangwenfei/archive/2013/04/28/mediator-javascript.html