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📄 details_jsp.java

📁 简单的投票系统
💻 JAVA
字号:
package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import org.apache.jasper.runtime.*;
import java.sql.*;

public class details_jsp extends HttpJspBase {


 int count=0;



  private static java.util.Vector _jspx_includes;

  public java.util.List getIncludes() {
    return _jspx_includes;
  }

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

    JspFactory _jspxFactory = null;
    javax.servlet.jsp.PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;


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

      out.write("\r\n");
      vote.OracleBean con = null;
      synchronized (pageContext) {
        con = (vote.OracleBean) pageContext.getAttribute("con", PageContext.PAGE_SCOPE);
        if (con == null){
          try {
            con = (vote.OracleBean) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "vote.OracleBean");
          } catch (ClassNotFoundException exc) {
            throw new InstantiationException(exc.getMessage());
          } catch (Exception exc) {
            throw new ServletException("Cannot create bean of class " + "vote.OracleBean", exc);
          }
          pageContext.setAttribute("con", con, PageContext.PAGE_SCOPE);
          out.write("\r\n");
          out.write("\r\n");
        }
      }
      out.write("\r\n");
      out.write("<html>\r\n");
      out.write("<head>\r\n");
      out.write("<title>\r\ndetails\r\n");
      out.write("</title>\r\n");
      out.write("</head>\r\n");
      out.write("<body bgcolor=\"#ffffff\">\r\n");
      out.write("\r\n");

   String sql = "select sum(c_num) from vote";
   ResultSet sum = con.query(sql);
   sum.next();
   count = sum.getInt(1);

      out.write("\r\n\r\n");
      out.write("<table border=\"1\" width=\"60%\">\r\n  ");
      out.write("<tr>\r\n    ");
      out.write("<td>编号");
      out.write("</td>\r\n    ");
      out.write("<td>公司");
      out.write("</td>\r\n    ");
      out.write("<td>票数");
      out.write("</td>\r\n    ");
      out.write("<td>投票率");
      out.write("</td>\r\n  ");
      out.write("</tr>\r\n");


   String sql2 = "select * from vote";
  ResultSet rs = con.query(sql2);
    int id = 0;
   String compony = null;
   int piao = 0;
   while(rs.next()){
     
      out.write("<tr>");

     id = rs.getInt(1);
     compony = rs.getString(2);
     piao = rs.getInt(3);
     
      out.write("<td>");
      out.print(id);
      out.write("</td>\r\n     ");
      out.write("<td>");
      out.print(compony);
      out.write("</td>\r\n     ");
      out.write("<td>");
      out.print(piao);
      out.write("</td>\r\n     ");
      out.write("<td>");
      out.print(Math.floor(piao*100/count));
      out.write("%");
      out.write("</td>\r\n     ");


     
      out.write("</tr>");

   }

      out.write("\r\n\r\n  ");
      out.write("<tr>\r\n    ");
      out.write("<td>总票数");
      out.write("</td>");
      out.write("<td>");
      out.print(count);
      out.write("</td>\r\n  ");
      out.write("</tr>\r\n\r\n");
      out.write("</table>\r\n");
      out.write("</body>\r\n");
      out.write("</html>\r\n");
    } catch (Throwable t) {
      out = _jspx_out;
      if (out != null && out.getBufferSize() != 0)
        out.clearBuffer();
      if (pageContext != null) pageContext.handlePageException(t);
    } finally {
      if (_jspxFactory != null) _jspxFactory.releasePageContext(pageContext);
    }
  }
}

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