📄 progexceptionhandlerservlet.java
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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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