📄 test2_jsp.java

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package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.sql.*;
import javax.sql.*;
import java.io.*;
import javax.naming.*;

public final class test2_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {

  private static java.util.Vector _jspx_dependants;

  private org.apache.jasper.runtime.ResourceInjector _jspx_resourceInjector;

  public java.util.List getDependants() {
    return _jspx_dependants;
  }

  public void _jspService(HttpServletRequest request, HttpServletResponse response)
        throws java.io.IOException, ServletException {

    JspFactory _jspxFactory = null;
    PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;
    PageContext _jspx_page_context = null;


    try {
      _jspxFactory = JspFactory.getDefaultFactory();
      response.setContentType("text/html;charset=UTF-8");
      pageContext = _jspxFactory.getPageContext(this, request, response,
      			null, true, 8192, true);
      _jspx_page_context = pageContext;
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;

      String resourceInjectorClassName = config.getInitParameter("com.sun.appserv.jsp.resource.injector");
      if (resourceInjectorClassName != null) {
        _jspx_resourceInjector = (org.apache.jasper.runtime.ResourceInjector) Class.forName(resourceInjectorClassName).newInstance();
        _jspx_resourceInjector.setContext(application);
      }

      out.write("\n");
      out.write("\n");
      out.write("\n");
      out.write("<html>\n");
      out.write("  <head>\n");
      out.write("    <title>基于连接池和数据源访问数据库</title>\n");
      out.write("  </head>\n");
      out.write("\n");
      out.write("  <body>\n");
      out.write("    <h1>顾客信息</h1>\n");
      out.write("   \n");
      out.write("    ");
      InitialContext context = new InitialContext();      DataSource dataSource =        (DataSource) context.lookup("java:comp/env/sample");      Connection conn = null;      Statement stmt = null;      ResultSet rset = null;      try {        conn = dataSource.getConnection();        stmt = conn.createStatement();        rset = stmt.executeQuery("select * from customer");        if (rset.next()) {    
      out.write("\n");
      out.write("          <table width=\"100%\" border=\"1\">\n");
      out.write("            <tr align=\"left\">\n");
      out.write("              <th>顾客ID</th><th>地址</th><th>电话</th>\n");
      out.write("            </tr>\n");
      out.write("    ");
          do {    
      out.write("\n");
      out.write("            <tr>\n");
      out.write("              <td>");
      out.print( rset.getString("customerid") );
      out.write("</td>\n");
      out.write("              <td>");
      out.print( new String(rset.getString("address").getBytes("iso-8859-1")) );
      out.write("</td>\n");
      out.write("              <td>");
      out.print( rset.getString("phone") );
      out.write("</td>\n");
      out.write("            </tr>\n");
      out.write("    ");
          } while (rset.next());    
      out.write("\n");
      out.write("          </table>\n");
      out.write("    ");
          } else {    
      out.write("\n");
      out.write("            No results from query\n");
      out.write("    ");
          }        } catch (SQLException e) {    
      out.write("\n");
      out.write("          ");
      out.print( e.getMessage() );
      out.write("\n");
      out.write("    ");
          e.printStackTrace();        } finally {          if (rset != null) { rset.close(); }          if (stmt != null) { stmt.close(); }          if (conn != null) { conn.close(); }          if (context != null) { context.close(); }        }    
      out.write("\n");
      out.write("  </body>\n");
      out.write("</html>");
    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)){
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          out.clearBuffer();
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
      }
    } finally {
      if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
}
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