基于令牌的处理就是一劳永逸的方法。 代码如下: [removed] function formsubmit() { Today = new Date(); var NowHour = Today.getHours(); var NowMinute = Today.getMinutes(); var NowSecond = Today.getSeconds(); var mysec = (NowHour*3600)+(NowMinute*60)+NowSecond; if((mysec-document.formsubmitf.mypretime.va