标签：
var proxy = new EventProxy();var status = "ready";var select = function(callback){ proxy.once("selected",callback); if(status == "ready"){ status = "pending"; db.select("SQL", function(results){ proxy.emit("selected",results); status = "ready"; }); }};标签：
原文地址：http://www.cnblogs.com/jjjs/p/4663626.html
