struts2 自定义异常拦截器配log4j
log4j.rootLogger = debug,stdout,F
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target = System.out
log4j.appender.stdout.Encoding = Utf-8
log4j.appender.stdout.Threshold = debug
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern = [%d{yyyy-MM-dd HH:mm:ss:SSS}] [%-5p] [method:%l]%n%m%n%n
log4j.appender.F = org.apache.log4j.RollingFileAppender
log4j.appender.F.File =d:/log/1111111.txt
log4j.appender.F.Append = true
log4j.appender.F.Threshold = INFO
log4j.appender.F.MaxFileSize = 1
log4j.appender.F.MaxBackupIndex = 5
log4j.appender.F.layout = org.apache.log4j.PatternLayout
log4j.appender.F.layout.ConversionPattern =[%d{yyyy-MM-dd HH\:mm\:ss\:SSS}] [%-5p] [method\:%l]%n%m%n%n
log4j.logger.exeception.ExceptionAction=DEBUG, async
log4j.additivity.exeception.ExceptionAction=false
log4j.appender.async=org.apache.log4j.RollingFileAppender
log4j.appender.async.File=d:/logs/async.log
log4j.appender.async.Append=true
log4j.appender.async.MaxFileSize=1GB
log4j.appender.async.MaxBackupIndex=5
log4j.appender.async.layout=org.apache.log4j.PatternLayout
log4j.appender.async.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} [%-5p][%c{1}] [%t] - %m%n
log4j.appender.async.encoding=gbk
<!-- 测试自定义异常 --> <action name="exceptionAction_*" class="exeception.ExceptionAction" method="{1}"> <result>/hello.jsp</result> </action>
<package name="all" extends="struts-default"> <interceptors> <interceptor name="error" class="interception.ErrorInterceptor"></interceptor> <!-- 配置拦截器栈 --> <interceptor-stack name="myStacks"> <interceptor-ref name="defaultStack" /> <interceptor-ref name="error" /> </interceptor-stack> </interceptors> <!-- 覆盖底层的拦截器栈 对包中的所有action都有效 --> <default-interceptor-ref name="myStacks"></default-interceptor-ref> <global-results> <result name="error" type="dispatcher">/error.jsp</result> </global-results> <global-exception-mappings> <exception-mapping result="error" exception="java.lang.Exception"></exception-mapping> </global-exception-mappings> </package>
package interception; import javax.servlet.http.HttpServletRequest; import org.apache.log4j.Logger; import org.apache.struts2.StrutsStatics; import com.opensymphony.xwork2.ActionInvocation; import com.opensymphony.xwork2.interceptor.Interceptor; public class ErrorInterceptor implements Interceptor { public void init() { } public String intercept(ActionInvocation actioninvocation) { String result = null; // Action的返回值 try { // 运行被拦截的Action,期间如果发生异常会被catch住 result = actioninvocation.invoke(); return result; } catch (Exception e) { /** * 处理异常 */ String errorMsg = "出现错误信息,请查看日志!"; //通过instanceof判断到底是什么异常类型 if (e instanceof RuntimeException) { //未知的运行时异常 RuntimeException re = (RuntimeException) e; //re.printStackTrace(); errorMsg = re.getMessage().trim(); System.out.println(errorMsg); } //把自定义错误信息 HttpServletRequest request = (HttpServletRequest) actioninvocation .getInvocationContext().get(StrutsStatics.HTTP_REQUEST); /** * 发送错误消息到页面 */ request.setAttribute("errorMsg", errorMsg); /** * log4j记录日志 */ Logger log = Logger.getLogger(actioninvocation.getAction().getClass()); log.error(errorMsg, e); return "error"; }// ...end of catch } public void destroy() { } }
package exeception; import com.opensymphony.xwork2.ActionSupport; public class ExceptionAction extends ActionSupport{ public String testException() { //throw new RuntimeException("hello exception interceptor!!!"); try { int i=1/0; } catch (Exception e) { System.out.println("测试 11是否执行到这句!!!!"); throw new RuntimeException("出错了!!"); } return "success"; } }
posted on 2018-06-24 08:54 Danial7777777 阅读(232) 评论(0) 编辑 收藏 举报