IDEA 2016.1 Maven SpringMVC学习教程_log日志的生成(三)

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1、log4j.properties配置

### 设置###log4j.rootLogger = debug,stdout,D,E### 输出信息到控制抬 ###log4j.appender.stdout = org.apache.log4j.ConsoleAppenderlog4j.appender.stdout.Target = System.outlog4j.appender.stdout.layout = org.apache.log4j.PatternLayoutlog4j.appender.stdout.layout.ConversionPattern = [%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n### 输出DEBUG 级别以上的日志到文件F://logs/debug.log ###log4j.appender.D = org.apache.log4j.FileAppenderlog4j.appender.D.File = F://IDEA//debug.loglog4j.appender.D.Append = truelog4j.appender.D.Threshold = DEBUGlog4j.appender.D.layout = org.apache.log4j.PatternLayoutlog4j.appender.D.layout.ConversionPattern = %d{yyyy-MM-dd HH:mm:ss}  [ %t:%r ] - [ %p ]  %m%n### 输出ERROR 级别以上的日志到文件F://logs/error.log ###log4j.appender.E = org.apache.log4j.FileAppenderlog4j.appender.E.File = F://IDEA//error.loglog4j.appender.E.Append = truelog4j.appender.E.Threshold = ERRORlog4j.appender.E.layout = org.apache.log4j.PatternLayoutlog4j.appender.E.layout.ConversionPattern = %d{yyyy-MM-dd HH:mm:ss}  [ %t:%r ] - [ %p ]  %m%n
2、web.xml配置

<!-- Log4j配置 --><context-param>  <param-name>webAppRootKey</param-name>  <param-value>webapp.root</param-value></context-param><!--设置环境变量,指定log4j的配置文件--><context-param>  <param-name>log4jConfigLocation</param-name>  <param-value>classpath:log4j/log4j.properties</param-value></context-param><listener>  <listener-class>    org.springframework.web.util.Log4jConfigListener  </listener-class></listener>

3、HomeController.java

// 注解标注此类为springmvc的controller,url映射为"/home"@Controller@RequestMapping("/home")public class HomeController {    //添加一个日志器    private static final Logger logger = LoggerFactory.getLogger(HomeController.class);    //映射一个action    @RequestMapping("/index")    public  String index(){        //输出日志文件        logger.info("the first jsp pages");        logger.debug("第一个springMVC应用程序!");        //返回一个index.jsp这个视图        return "index";    }}

这里将tomact8换成tomact9,不知道tomact8中出现错误的原因

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