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📄 first_jsp.java

📁 这是做java分页显示的部分代码,写的非常好的压.
💻 JAVA
字号:
package org.apache.jsp;

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

public final class first_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=GBK");
      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('\r');
      out.write('\n');
      pagedemo.OracleBean oracleBean = null;
      synchronized (_jspx_page_context) {
        oracleBean = (pagedemo.OracleBean) _jspx_page_context.getAttribute("oracleBean", PageContext.PAGE_SCOPE);
        if (oracleBean == null){
          oracleBean = new pagedemo.OracleBean();
          _jspx_page_context.setAttribute("oracleBean", oracleBean, PageContext.PAGE_SCOPE);
        }
      }
      out.write('\r');
      out.write('\n');

int pageNum=Integer.parseInt(request.getParameter("pageNum"));
int pageSize=5;
String sql="select * from emp";
ResultSet rs=oracleBean.query(sql);
rs.absolute(5*pageNum-4);

      out.write("\r\n");
      out.write("<html>\r\n");
      out.write("<head>\r\n");
      out.write("<title>\r\n");
      out.write("first\r\n");
      out.write("</title>\r\n");
      out.write("</head>\r\n");
      out.write("<body bgcolor=\"#ffffff\">\r\n");
      out.write("<h1>\r\n");
      out.write("JBuilder Generated JSP\r\n");
      out.write("</h1>\r\n");
      out.write("<table width=\"50%\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\r\n");
      out.write("  <tr>\r\n");
      out.write("    <td>EmpNo</td>\r\n");
      out.write("    <td>Ename</td>\r\n");
      out.write("    <td>Job</td>\r\n");
      out.write("    <td>Operate</td>\r\n");
      out.write("  </tr>\r\n");
      out.write("  ");

  for(int i=0;i<pageSize;i++){
  
      out.write("\r\n");
      out.write("  <tr>\r\n");
      out.write("    <td>");
      out.print(rs.getInt("empno") );
      out.write("</td>\r\n");
      out.write("    <td>");
      out.print(rs.getString("ename") );
      out.write("</td>\r\n");
      out.write("    <td>");
      out.print(rs.getString("job"));
      out.write("</td>\r\n");
      out.write("    <td>&nbsp;</td>\r\n");
      out.write("  </tr>\r\n");

if(!rs.next()) break;
}

      out.write("\r\n");
      out.write("</table>\r\n");
      out.write("</body>\r\n");
      out.write("</html>\r\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);
    }
  }
}

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