js把年月天（十九年十一个月二十八天）转为数字格式（19年11个月28天）

本文链接：https://blog.youkuaiyun.com/weixin_46089767/article/details/113944787

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title></title>
	</head>
	<body>
		<input type="" name="" id="uppercase" value="" />
		<div id="num">
			
		</div>
	</body>
	<script type="text/javascript">
		function zwTransformNum(str) {
			let numStr = "一二三四五六七八九十";
			let yearStr = ``;
			let year = ``;
			let monthStr = ``;
			let month = ``;
			let dateStr = ``;
			let date = ``;
			if (str.indexOf("年") != -1) {
				yearStr = str.substring(0, str.indexOf("年"));

				if (yearStr.length == 3) {
					year += numStr.indexOf(yearStr.substring(0, 1)) + 1;
					year += numStr.indexOf(yearStr.substring(2, 3)) + 1;
					year += "年";
				} else if (yearStr.length == 2) {
					year += "1";
					year += numStr.indexOf(yearStr.substring(1, 2)) + 1;
					year += "年";
				} else if (yearStr.length == 1) {
					year += numStr.indexOf(yearStr.substring(0, 1)) + 1;
					year += "年";
				}
				if (str.indexOf("月") != -1) {
					monthStr = str.substring(str.indexOf("年") + 1, str.indexOf("月"));
					if (monthStr.length == 3) {
						month += "1";
						month += numStr.indexOf(monthStr.substring(1, 2)) + 1;
						month += "个月";
					} else if (monthStr.length == 2) {
						month += numStr.indexOf(monthStr.substring(0, 1)) + 1;
						month += "个月";
					}
					if (str.indexOf("天") != -1) {
						dateStr = str.substring(str.indexOf("月") + 1, str.indexOf("天"));
						if (dateStr.length == 3) {
							date += numStr.indexOf(dateStr.substring(0, 1)) + 1;
							date += numStr.indexOf(dateStr.substring(2, 3)) + 1;
							date += "天";
						} else if (dateStr.length == 2) {
							date += "1";
							date += numStr.indexOf(dateStr.substring(1, 2)) + 1;
							date += "天";
						} else if (dateStr.length == 1) {
							date += numStr.indexOf(dateStr.substring(0, 2)) + 1;
							date += "天";
						}
					}
				}
			} else if (str.indexOf("月") != -1) {
				monthStr = str.substring(0, str.indexOf("月"));
				if (monthStr.length == 3) {
					month += "1";
					month += numStr.indexOf(monthStr.substring(1, 2)) + 1;
					month += "个月";
				} else if (monthStr.length == 2) {
					month += numStr.indexOf(monthStr.substring(0, 1)) + 1;
					month += "个月";
				}
				if (str.indexOf("天") != -1) {
					dateStr = str.substring(str.indexOf("月") + 1, str.indexOf("天"));
					if (dateStr.length == 3) {
						date += numStr.indexOf(dateStr.substring(0, 1)) + 1;
						date += numStr.indexOf(dateStr.substring(2, 3)) + 1;
						date += "天";
					} else if (dateStr.length == 2) {
						date += "1";
						date += numStr.indexOf(dateStr.substring(1, 2)) + 1;
						date += "天";
					} else if (dateStr.length == 1) {
						date += numStr.indexOf(dateStr.substring(0, 2)) + 1;
						date += "天";
					}
				}
			} else if (str.indexOf("天") != -1) {
				dateStr = str.substring(0, str.indexOf("天"));
				if (dateStr.length == 3) {
					date += numStr.indexOf(dateStr.substring(0, 1)) + 1;
					date += numStr.indexOf(dateStr.substring(2, 3)) + 1;
					date += "天";
				} else if (dateStr.length == 2) {
					date += "1";
					date += numStr.indexOf(dateStr.substring(1, 2)) + 1;
					date += "天";
				} else if (dateStr.length == 1) {
					date += numStr.indexOf(dateStr.substring(0, 2)) + 1;
					date += "天";
				}
			}
			console.log(year + month + date)
			document.getElementById("num").innerHTML = year + month + date;
		
		}
		
		document.getElementById("uppercase").oninput = function() {
			console.log(document.getElementById("uppercase").value)
			zwTransformNum(document.getElementById("uppercase").value);
		}
	</script>
</html>