contact_jsp.java

这是一个jsp学习的事例 不是很难 地是对处学者非常的有用

package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import com.jspdev.ch13.ContactBean;

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

  private static java.util.Vector _jspx_dependants;

  static {
    _jspx_dependants = new java.util.Vector(1);
    _jspx_dependants.add("/pageman.jsp");
  }

  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("\r\n");
      out.write("\r\n");
      com.jspdev.ch13.PageBean pageCt = null;
      synchronized (request) {
        pageCt = (com.jspdev.ch13.PageBean) _jspx_page_context.getAttribute("pageCt", PageContext.REQUEST_SCOPE);
        if (pageCt == null){
          pageCt = new com.jspdev.ch13.PageBean();
          _jspx_page_context.setAttribute("pageCt", pageCt, PageContext.REQUEST_SCOPE);
        }
      }
      out.write("\r\n");
      out.write("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=gb2312\" />\r\n");
      out.write("<table border=1>\r\n");
      out.write("<tr>\r\n");
      out.write("<td   align=\"center\" width=\"95\">用户名</td>\r\n");
      out.write("<td  align=\"center\"  width=\"93\">手机</td>\r\n");
      out.write("<td  align=\"center\"  width=\"71\">固定电话</td>\r\n");
      out.write("<td  align=\"center\"  width=\"142\">电子邮箱</td>\r\n");
      out.write("<td  align=\"center\"  width=\"142\">最后一次联系时间</td>\r\n");
      out.write("<td  align=\"center\"  width=\"142\">备注</td>\r\n");
      out.write("</tr>\r\n");

if(pageCt.data == null){
ContactBean pageCtx = new ContactBean();
//if()
pageCt = pageCtx.listData("1");
}
//System.out.println("rthytjurt6uhytrur");
java.util.Vector v=pageCt.getResult();
//System.out.println("333333333333333"+v.isEmpty());

	java.util.Enumeration  e=v.elements();
	  
	while(e.hasMoreElements())
	{
	 Object[] obj=(Object[])e.nextElement(); 
	
      out.write("\r\n");
      out.write("\t <tr>  \r\n");
      out.write("\t<td   align=\"center\" width=\"95\">");
      out.print( obj[0] );
      out.write("</td>\r\n");
      out.write("\t<td  align=\"center\"  width=\"93\">");
      out.print( obj[1]);
      out.write("</td>\r\n");
      out.write("\t<td  align=\"center\"  width=\"71\">");
      out.print(  obj[2] );
      out.write("</td>\r\n");
      out.write("\t<td  align=\"center\"  width=\"142\">");
      out.print( obj[3] );
      out.write("</td>\r\n");
      out.write("\t<td  align=\"center\"  width=\"142\">");
      out.print( obj[4] );
      out.write("</td>\r\n");
      out.write("\t<td  align=\"center\"  width=\"142\">");
      out.print( obj[5] );
      out.write("</td>\r\n");
      out.write("\t</tr>\r\n");
      out.write("\t");
 }
      out.write("\r\n");
      out.write("</table>\r\n");
if(pageCt.maxPage!=1){
      out.write("\r\n");
      out.write("<form name=\"PageForm\"  action=\"/ch16/servlet/contactservlet\" method=\"post\">\r\n");
      out.write("\r\n");
      out.write("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=gb2312\" />\r\n");
      out.write("<script language=\"JavaScript\">\r\n");
      out.write("\r\n");
      out.write("<!--\r\n");
      out.write("function Jumping(){\r\n");
      out.write("  document.PageForm.submit();\r\n");
      out.write("  return ;\r\n");
      out.write("}\r\n");
      out.write("\r\n");
      out.write("function gotoPage(pagenum){\r\n");
      out.write("  document.PageForm.jumpPage.value = pagenum;\r\n");
      out.write("  document.PageForm.submit();\r\n");
      out.write("  return ;\r\n");
      out.write("}\r\n");
      out.write("\r\n");
      out.write("-->\r\n");
      out.write("</script>\r\n");
      out.write("\r\n");
      out.write("每页");
      out.print(pageCt.rowsPerPage);
      out.write("行\r\n");
      out.write("共");
      out.print(pageCt.maxRowCount);
      out.write("行\r\n");
      out.write("第");
      out.print(pageCt.curPage);
      out.write("页\r\n");
      out.write("共");
      out.print(pageCt.maxPage);
      out.write("页\r\n");
      out.write("<BR>\r\n");
if(pageCt.curPage==1){ out.print(" 首页 上一页");   }else{  
      out.write("   \r\n");
      out.write("<A HREF=\"javascript:gotoPage(1)\">首页</A>\r\n");
      out.write("<A HREF=\"javascript:gotoPage(");
      out.print(pageCt.curPage-1);
      out.write(")\">上一页</A>\r\n");
}
      out.write('\r');
      out.write('\n');
if(pageCt.curPage==pageCt.maxPage){ out.print("下一页 尾页");   }else{  
      out.write("   \r\n");
      out.write("<A HREF=\"javascript:gotoPage(");
      out.print(pageCt.curPage+1);
      out.write(")\">下一页</A>\r\n");
      out.write("<A HREF=\"javascript:gotoPage(");
      out.print(pageCt.maxPage);
      out.write(")\">尾页</A>\r\n");
}
      out.write("\r\n");
      out.write("转到第<SELECT name=\"jumpPage\" onchange=\"Jumping()\">\r\n");
      out.write("     ");
 for(int i=1;i<=pageCt.maxPage;i++)  {
     if (i== pageCt.curPage){
     
      out.write("\r\n");
      out.write("     <OPTION selected value=");
      out.print(i);
      out.write('>');
      out.print(i);
      out.write("</OPTION>\r\n");
      out.write("     ");
}else{
      out.write("\r\n");
      out.write("     <OPTION value=");
      out.print(i);
      out.write('>');
      out.print(i);
      out.write("</OPTION>\r\n");
      out.write("     ");
}}
      out.write("   \r\n");
      out.write("     </SELECT>页\r\n");
      out.write(" \r\n");
      out.write("</form>\r\n");
}
      out.write('\r');
      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);
    }
  }
}