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14 lines
427 B
JavaScript
14 lines
427 B
JavaScript
// 上一月
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const getUpMonth = function(v) {
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let date = new Date(v); //获取日期 日期是2020-07 写成你自己的
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let CurrentDate = "";
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let year = date.getFullYear();
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let month = (date.getMonth()) < 10 ? "0" + (date.getMonth()) : (date.getMonth()); //自动补0
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if (month < 1) {
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CurrentDate = (year - 1) + "-" + "12"
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} else {
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CurrentDate = year + "-" + month
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}
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return CurrentDate
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}
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export default getUpMonth |