判断输入框中输入的日期格式为yyyy-mm-dd和正确的日期

判断输入框中输入的日期格式为yyyy-mm-dd和正确的日期

 

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-dd

if (str != str.match(/\d{4}-\d{2}-\d{2}/ig)) {

return false;

}

var tmpArr;

//tmpArr = str.split("-");

tmpArr = str.split('-');

var rYear, rMonth, rDay

rYear = 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 {

return false;

}

}