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📄 modifyproduct_jsp.java

📁 一个jsp连接数据库的实例
💻 JAVA
字号:
🔍 
package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.sql.*;
import product_web.*;
import java.util.*;
import java.io.*;
import java.io.*;

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

 String trans(String chi)
{
               String result = "";
               byte temp [];
               try
               {
                       temp=chi.getBytes("iso-8859-1");
                      result = new String(temp);
                }
                catch(UnsupportedEncodingException e)
                {
                        System.out.println (e.toString());
                }
			return result;
}

 String sql,productid,categroy,name,producer,price,dscn; 
  private static java.util.Vector _jspx_dependants;

  static {
    _jspx_dependants = new java.util.Vector(1);
    _jspx_dependants.add("/trans.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,
      			"error.jsp", 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');
      out.write("<style type=\"text/css\">\r\n");
      out.write("<!--\r\n");
      out.write("body {\r\n");
      out.write("\tbackground-image: url(background.jpg);\r\n");
      out.write("}\r\n");
      out.write("-->\r\n");
      out.write("</style>\r\n");
      out.write("\r\n");
      out.write("<html>\r\n");
      out.write("<head>\r\n");
      out.write("<title>Untitled Document</title>\r\n");
      out.write("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=gb2312\">\r\n");
      out.write("<style type=\"text/css\">\r\n");
      out.write("<!--\r\n");
      out.write("body {\r\n");
      out.write("\tbackground-image: url(background.jpg);\r\n");
      out.write("}\r\n");
      out.write("-->\r\n");
      out.write("</style></head>\r\n");
      product_web.ProductBean product = null;
      synchronized (_jspx_page_context) {
        product = (product_web.ProductBean) _jspx_page_context.getAttribute("product", PageContext.PAGE_SCOPE);
        if (product == null){
          product = new product_web.ProductBean();
          _jspx_page_context.setAttribute("product", product, PageContext.PAGE_SCOPE);
        }
      }
      out.write("\r\n");
      out.write("<body>\r\n");
      out.write("<center>\r\n");
      out.write("<h1>选择要更改的书籍</h1>\r\n");
      out.write("<table width=80% border=\"1\" bgcolor=\"#0099CC\">\r\n");
      out.write("<tr bgcolor=\"#009966\" bordercolor=\"#990066\">\r\n");
      out.write("<td>id</td><td>类别</td><td>名称</td><td>出厂商</td><td>价格</td><td>描述</td><td>更改</td>\r\n");
      out.write("</tr>\r\n");
      out.write("\r\n");
      out.write('\r');
      out.write('\n');


	sql = "select * from products";
	ResultSet rs = product.executeQuery(sql);
	while(rs.next())
	{
		productid = rs.getString("productid");
		categroy = rs.getString("category");
		name = rs.getString("name");
		producer = rs.getString("producer");
		price = rs.getString("price");
		dscn = rs.getString("descn");

      out.write("\r\n");
      out.write("\t\t<tr bordercolor=#990066>\r\n");
      out.write("\t\t<td>");
      out.print(productid);
      out.write("</td>\r\n");
      out.write("\t\t<td>");
      out.print( categroy );
      out.write("</td>\r\n");
      out.write("\t\t<td>");
      out.print( name );
      out.write("</td>\r\n");
      out.write("\t\t<td>");
      out.print(  producer);
      out.write("</td>\r\n");
      out.write("\t\t<td>");
      out.print( price );
      out.write("</td>\r\n");
      out.write("\t\t<td>");
      out.print( dscn );
      out.write("</td>\r\n");
      out.write("\t");
  out.println("<td><a href='modifyProduct_pro.jsp?productId="+productid+"'>更改</a>");
      out.write("\r\n");
      out.write("\t</tr>\r\n");
 } 
      out.write("\r\n");
      out.write("\r\n");
      out.write("\r\n");
      out.write("%>\r\n");
      out.write("</table>\r\n");
      out.write("<a href=\"index.jsp\">返回</a>\r\n");
      out.write("</center>\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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