progexceptionhandlerservlet.java

来自「scwcd的考试,测试代码,如果希望参加此类考试将非常的有帮助」· Java 代码 · 共 25 行

JAVA
25
字号
package scwcd.lab05;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;

public class ProgExceptionHandlerServlet extends HttpServlet {
  public void doGet(HttpServletRequest request,
                    HttpServletResponse response)
              throws IOException, ServletException {
    String request_uri 
      = (String) request.getAttribute("request_uri");
    Throwable exception 
      = (Throwable) request.getAttribute("thrown_exception");
    String exceptionName = exception.getClass().getName();
    response.setContentType("text/html; charset=GB2312");
    PrintWriter out = response.getWriter();
    out.println("<HTML><BODY>");
    out.println(request_uri + " 运行错误!");
    out.println("<BR><BR>");
    out.println("错误原因: " + exceptionName);
    out.println("</BODY></HTML>");
  }
}

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