add Time.parseToMS(String)

src/main/java/com/imyeyu/utils/Time.java

@@ -255,6 +255,51 @@ public class Time {
 		return Instant.ofEpochMilli(unixTime).atZone(ZoneId.systemDefault()).toLocalDateTime();
 	}
 
+
+	/**
+	 * 将时间字符串解析为毫秒值
+	 *
+	 * <p>支持的格式示例：
+	 * <pre>
+	 * 10               = 10
+	 * 10ms             = 10
+	 * 10s              = 10,000
+	 * 10m              = 600,000
+	 * 10h              = 36,000,000
+	 * 10d = 10D = 10 d = 864,000,000
+	 * 10.5d            = 907,200,000
+	 * </pre>
+	 *
+	 * @param timeStr 时间字符串
+	 * @return 毫秒
+	 * @throws IllegalArgumentException 输入格式无效
+	 */
+	public static long parseToMS(String timeStr) {
+		if (TimiJava.isEmpty(timeStr)) {
+			throw new IllegalArgumentException("not found timeStr");
+		}
+		String normalized = timeStr.replaceAll("\\s+", "").toLowerCase();
+
+		Pattern pattern = Pattern.compile("^(\\d+(?:\\.\\d+)?)(ms|[dhms])?$");
+		Matcher matcher = pattern.matcher(normalized);
+		if (!matcher.matches()) {
+			throw new IllegalArgumentException("invalid format: " + timeStr);
+		}
+		double value = Double.parseDouble(matcher.group(1));
+		String unit = matcher.group(2);
+		if (TimiJava.isEmpty(unit) || unit.equals("ms")) {
+			return Math.round(value);
+		}
+		double multiplier = switch (unit) {
+			case "s" -> Time.S;
+			case "m" -> Time.M;
+			case "h" -> Time.H;
+			case "d" -> Time.D;
+			default  -> throw new IllegalArgumentException("invalid format unit: " + unit);
+		};
+		return Math.round(value * multiplier);
+	}
+
 	/**
 	 * 媒体时间操作
 	 *

src/test/java/test/TestTime.java

@@ -1,8 +1,24 @@
 package test;
 
+import com.imyeyu.utils.Time;
+import org.junit.jupiter.api.Test;
+
 /**
  * @author 夜雨
  * @since 2024-12-19 22:10
  */
 public class TestTime {
-}
+
+	@Test
+	public void testParseToMS() {
+		assert Time.parseToMS("10") == 10;
+		assert Time.parseToMS("10ms") == 10;
+		assert Time.parseToMS("10MS") == 10;
+		assert Time.parseToMS("10 ms") == 10;
+		assert Time.parseToMS("10s") == Time.S * 10;
+		assert Time.parseToMS("10m") == Time.M * 10;
+		assert Time.parseToMS("10h") == Time.H * 10;
+		assert Time.parseToMS("10d") == Time.D * 10;
+		assert Time.parseToMS("10.5d") == Time.D * 10 + Time.D * .5;
+	}
+}