📄 display_jsp.java

📁 vb+java实现的图书管理系统
💻 JAVA
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package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.util.*;
import com.bean.util.DbConn;

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

  private static final JspFactory _jspxFactory = JspFactory.getDefaultFactory();

  private static java.util.List _jspx_dependants;

  private javax.el.ExpressionFactory _el_expressionfactory;
  private org.apache.AnnotationProcessor _jsp_annotationprocessor;

  public Object getDependants() {
    return _jspx_dependants;
  }

  public void _jspInit() {
    _el_expressionfactory = _jspxFactory.getJspApplicationContext(getServletConfig().getServletContext()).getExpressionFactory();
    _jsp_annotationprocessor = (org.apache.AnnotationProcessor) getServletConfig().getServletContext().getAttribute(org.apache.AnnotationProcessor.class.getName());
  }

  public void _jspDestroy() {
  }

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

    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 {
      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');

if(session.getAttribute("user")==null||!session.getAttribute("role").toString().equals("student")){
response.sendRedirect("login.jsp");
return;
}
else{
}
      out.write('\r');
      out.write('\n');

String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

      out.write("\r\n");
      out.write("\r\n");
      out.write("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\r\n");
      out.write("<html>\r\n");
      out.write("  <head>\r\n");
      out.write("    <base href=\"");
      out.print(basePath);
      out.write("\">\r\n");
      out.write("    \r\n");
      out.write("    <title>My JSP 'display.jsp' starting page</title>\r\n");
      out.write("    \r\n");
      out.write("\t<meta http-equiv=\"pragma\" content=\"no-cache\">\r\n");
      out.write("\t<meta http-equiv=\"cache-control\" content=\"no-cache\">\r\n");
      out.write("\t<meta http-equiv=\"expires\" content=\"0\">    \r\n");
      out.write("\t<meta http-equiv=\"keywords\" content=\"keyword1,keyword2,keyword3\">\r\n");
      out.write("\t<meta http-equiv=\"description\" content=\"This is my page\">\r\n");
      out.write("\r\n");
      out.write("\r\n");
      out.write("  </head>\r\n");
      out.write("  <script type=\"text/javascript\">\r\n");
      out.write("  function check_null(){\r\n");
      out.write("  \tif(document.all.upload.value==\"\"){\r\n");
      out.write("     alert(\"请选择作业文件!\");\r\n");
      out.write("     document.all.upload.focus();\r\n");
      out.write("     return false;\r\n");
      out.write("    }\r\n");
      out.write("  }\r\n");
      out.write("\r\n");
      out.write("  function back() {\r\n");
      out.write("\thistory.go(-1);\t\r\n");
      out.write("  }\r\n");
      out.write("  </script>\r\n");
      out.write("  <body style=\"color: #003366;\"> \r\n");
      out.write("\t <form id=\"frmzy_list\" action=\"Upload\" method=\"post\" enctype=\"multipart/form-data\" >\r\n");
      out.write("\t\t");

		int zypc_id;
		if("".equals(request.getParameter("zypc_id"))||request.getParameter("zypc_id")==null)
			zypc_id = 0;
		else
			zypc_id = Integer.parseInt(request.getParameter("zypc_id").toString());
		if(zypc_id==0)
			out.println("暂无此记录或此记录已被删除");
		else{
			String sql="select zy_name,zy_instr,pub_time,zy_endtime from zy_info where zypc_id="+zypc_id+"";
		 	DbConn conn=new DbConn();
		 	String[][] zy_info=conn.getData(sql);
		 	//request.setAttribute("zypc_id",zypc_id);
		 	
      out.write("\r\n");
      out.write("\t\t \t<ul style='list-style:none;'>\r\n");
      out.write("\t\t \t\t<li><input type='hidden' name='zypc_id' value=\"");
      out.print(zypc_id);
      out.write("\" /></li>\r\n");
      out.write("\t\t\t\t<li>作业名称：");
      out.print(zy_info[0][0]);
      out.write("<br>发布时间：");
      out.print(zy_info[0][2].substring(0,10) );
      out.write("</li>\r\n");
      out.write("\t\t\t\t<li>截止时间：");
      out.print(zy_info[0][3].substring(0,10));
      out.write("</li>\r\n");
      out.write("\t\t\t\t<li><div>作业说明：<textarea style=vertical-align:bottom  rows=8 cols=60 disabled=readonly>");
      out.print(zy_info[0][1] );
      out.write("</textarea></div></li>\r\n");
      out.write("\t\t\t\t<li>上传作业：<input type='file' name='upload' id='upload' style=\"text-align:left\" />（RAR格式）<br>\r\n");
      out.write("\t\t\t\t\t<input type='submit' name='submit'  value='确认上传' onClick='return check_null();'/>\r\n");
      out.write("\t\t\t\t\t<input type=button name=cancel value=\"返回\" onclick=\"back()\">\r\n");
      out.write("\t\t\t</ul>\r\n");
      out.write("\t\t");

		}
 		
      out.write("\r\n");
      out.write("\t</form>\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)
          try { out.clearBuffer(); } catch (java.io.IOException e) {}
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
      }
    } finally {
      _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
}
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