tre_005fvote_jsp.java

JAVA实验图形 =各种 的 JAVA简单代码 出初学者必备！！！！！！！！！

package org.apache.jsp;

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

public final class tre_005fvote_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {

  private static java.util.Vector _jspx_dependants;

  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=gb2312");
      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;

      out.write("\n");
      out.write("\n");
      out.write("<link rel=\"stylesheet\" type=\"text/css\" href=\"css2.css\">\n");

String getitem = request.getParameter("voteitem");
if(getitem == null)
{
response.sendRedirect("y1.jsp");
}
else
{

response.sendRedirect("y2.jsp");
}
Statement stmt=null;
        PreparedStatement pstmt=null;

String sql = "update vote set vnum = vnum + 1 where id = "+getitem+"";
        //加载JDBC-ODBC桥驱动
        try {
            Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
            //定义JDBC URL
        }catch (Exception e) {
        out.println(e.getMessage());
        }
          try{

        String url = "jdbc:odbc:s";
            //得到与数据库的连接
            Connection con = DriverManager.getConnection(url);
            //显示UPL和连接信息
            System.out.print("URL:" + url);
            System.out.print("Connection:" + con);
            //得到一个Statement对象
            stmt = con.createStatement();
            //执行SQL语句
            System.out.print("SQL:" + sql);
            ResultSet p = stmt.executeQuery(sql);
            } catch (Exception e) {}

      out.write("\n");
      out.write("%>\n");
    } 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);
    }
  }
}