log4jtest.java

来自「Log4j日志记录」· Java 代码 · 共 56 行

JAVA
56
字号
package test;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;

public class Log4jTest extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GBK";

    //Initialize global variables
    public void init() throws ServletException {
//    	PropertyConfigurator.configure("F://log4j.properties");
//    	System.out.println("---------log is starting--------");
    	
    	String path=getServletContext().getRealPath("/");
    	String propfile=path+getInitParameter("propfile");
    	PropertyConfigurator.configure("propfile");
    }

    //Process the HTTP Get request
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        response.setContentType(CONTENT_TYPE);

        Logger logger = Logger.getLogger(this.getClass().getName());
//
//        logger.debug("Debug info.");
//        logger.info("Info info");
//        logger.warn("Warn info");
//        logger.error("Error info");
//        logger.fatal("Fatal info");

        logger.debug("调试信息.");
        logger.info("一般信息.");
        logger.warn("警告信息.");
        logger.error("错误信息.");
        logger.fatal("致命信息.");

        PrintWriter out = response.getWriter();
        out.println("<html>");
        out.println("<head><title>Log4jTest</title></head>");
        out.println("<body bgcolor=\"#ffffff\">");
        out.println("<p>The servlet has received a GET. This is the reply.</p>");
        out.println("<p>请查看控制台信息和日志信息</p>");
        out.println("</body>");
        out.println("</html>");
        out.close();
    }

    //Clean up resources
    public void destroy() {
    }
}

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