循序渐进看Java web日志跟踪（2）-Java日志API认识

 1 public class SimpleLog {
 2 
 3 
 4     public static void main(String[] args) throws SecurityException, IOException {
 5         Logger log=Logger.getLogger("Test");
 6         //添加log处理，默认是console
 7         ConsoleHandler console=new ConsoleHandler();
 8         console.setLevel(Level.ALL);
 9         log.addHandler(console);
10         FileHandler file=new FileHandler("log.log");
11         file.setLevel(Level.WARNING);
12         log.addHandler(file);
13         //设置日志输出格式
14         file.setFormatter(new Formatter() {
15 
16             @Override
17             public String format(LogRecord record) {
18                 // TODO Auto-generated method stub
19                 return new SimpleDateFormat("yyyy-MM-dd hh-mm-ss").format(new Date(record.getMillis())) +"------"+record.getLevel()+"-------"+record.getClass()+"-------"+record.getLoggerName()+"----"+record.getMessage()+"\t\n";
20             }
21         });
22         console.setFormatter(new Formatter() {
23 
24             @Override
25             public String format(LogRecord record) {
26                 return new SimpleDateFormat("yyyy-MM-dd hh-mm-ss").format(new Date(record.getMillis())) +"------"+record.getLevel()+"-------"+record.getClass()+"---"+record.getSourceMethodName()+"-------"+record.getLoggerName()+"----"+record.getMessage()+"\t\n";
27             }
28         });
29         //日志控制
30         log.log(Level.SEVERE, "测试日志");
31         log.log(Level.INFO, "测试日志");
32         log.log(Level.WARNING, "测试日志");
33         log.log(Level.OFF, "测试日志");
34 
35     }