servletdata.java

来自「JAVA编程百例书中各章节的所有例子的源代码,包括套接字编程」· Java 代码 · 共 59 行

JAVA
59
字号
package ch04.section08;

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

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

  //Initialize global variables
  public void init() throws ServletException {
  }

  //Process the HTTP Get request
  public void doGet(HttpServletRequest request, HttpServletResponse response) throws
      ServletException, IOException {
    response.setContentType(CONTENT_TYPE);
    PrintWriter out = response.getWriter();
    baseclass bc = new baseclass();
    out.println("<html>");
    out.println("<head><title>ServletData</title></head>");
    out.println("<body bgcolor=\"#ffffff\">");
    out.println("<table border='1' cellspacing='0' cellpadding='0'>");
    out.println("<tr>");
    out.println("<td align='center'>姓名</td>");
    out.println("<td align='center'>年龄</td>");
    out.println("</tr>");
    try {
      bc.ConnectDB();
      bc.executeQuery("select * from d_hfjs");
      bc.rs.first();
      while (!bc.rs.isAfterLast()) {
        out.println("<tr>");
        out.println("<td align='left'>");
        out.println(bc.rs.getString(1));
        out.println("</td>");
        out.println("<td align='center'>");
        out.println(bc.rs.getString(2));
        out.println("</td>");
        out.println("</tr>");
        bc.rs.next();
      }
    }
    catch (Exception ex) {
      ex.printStackTrace();
    }
    finally {
      bc.CloseDB();
    }
    out.println("</table>");
    out.println("</body></html>");
  }

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

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