js判断日期格式是否正确
function isDate(str){ //如果是正确的日期格式返回true,否则返回false var regExp; regExp = /\b\d{4}-\d{1,2}-\d{1,2}\b/;//判断整体格式yyyy-mm-ddif (str!=str.match(/\d{4}-\d{2}-\d{2}/ig)){alert('请输入日期格式为：yyyy-mm-dd!');return false;}var tmpArr;//tmpArr = str.split("-");tmpArr = str.split('-');var rYear,rMonth,rDayrYear = parseInt(tmpArr[0]);rMonth = parseInt(tmpArr[1]);rDay = parseInt(tmpArr[2]);//判断月//if ((rMonth > 12) || (rMonth < 1)){//alert('月份输入错误!');//return false;//} var rYearflag;//判断润年if (((rYear%100) == 0) && ((rYear%4) == 0)){ rYearflag = true;}else if ((rYear%4) == 0){ rYearflag = true;}else{ rYearflag = false;}if (((",1,3,5,7,8,10,12,").indexOf(","+rMonth+",") != -1) && (rDay < 32)){ return(true);}else if (((",4,6,9,11,").indexOf(","+rMonth+",") != -1) && (rDay < 31)){ return(true);}else if (rDay < 29){ return(true);}else if (rYearflag && (rDay < 30)){ return(true);}else { alert('天输入错误!');return false; }}