//获得上个月在昨天这一天的日期
function getLastMonthYestdy(date) {
var daysInMonth = new Array([0], [31], [28], [31], [30], [31], [30], [31], [31], [30], [31], [30], [31]);
var strYear = date.getFullYear();
var strDay = date.getDate();
var strMonth = date.getMonth() + 1;
if (strYear % 4 == 0 && strYear % 100 != 0) {
daysInMonth[2] = 29;
}
if (strMonth - 1 == 0) {
strYear -= 1;
strMonth = 12;
} else {
strMonth -= 1;
}
strDay = daysInMonth[strMonth] >= strDay ? strDay : daysInMonth[strMonth];
if (strMonth < 10) {
strMonth = "0" + strMonth;
}
if (strDay < 10) {
strDay = "0" + strDay;
}
var datastr = strYear + "-" + strMonth + "-" + strDay;
return datastr;
}
获取上个月在昨天这一天的日期
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转载自blog.csdn.net/luyu13141314/article/details/78853960
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