StopWatch 使用

1.测试

 package com.example.demo;
    
    import org.junit.Test;
    import org.springframework.util.StopWatch;
    
    import lombok.extern.slf4j.Slf4j;
    
    @Slf4j
    public class StopWatchTest{
    	
    	@Test
    	public void testStopWatch() throws InterruptedException {
    		StopWatch stopWatch = new StopWatch();
    		stopWatch.start("任务一");
    		Thread.sleep(1000);
    		stopWatch.stop();
    		stopWatch.start("任务二");
    		Thread.sleep(2000);
    		stopWatch.stop();
    		stopWatch.start("任务三");
    		Thread.sleep(3000);
    		stopWatch.stop();
    		log.debug(stopWatch.prettyPrint());
    	}
    	
    
    }

2.输出结果

14:20:24.926 [main] DEBUG com.example.demo.StopWatchTest - StopWatch '': running time (millis) = 6002
-----------------------------------------
ms     %     Task name
-----------------------------------------
01000  017%  任务一
02001  033%  任务二
03001  050%  任务三