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📄 goodslist_jsp.java

📁 在线购物系统,ajax+jsp实现
💻 JAVA
字号:
package org.apache.jsp.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.util.*;
import com.accp.gz.th.zm.server.entity.*;
import com.accp.gz.th.zm.server.action.*;
import com.accp.gz.th.zm.client.javabean.*;

public final class GoodsList_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('\n');
//    response.setCharacterEncoding("GBK");////    // 取类别ID//    int tid=-1;//    if(request.getParameter("tid")!=null && !request.getParameter("tid").equals("")){//      tid = Integer.parseInt(request.getParameter("tid"));//    }////    // 取页码//    int pageno=1;//    if(request.getParameter("currentpageno")!=null && !request.getParameter("currentpageno").equals("")){//      pageno = Integer.parseInt(request.getParameter("currentpageno"));//    }////    // 取每页行数//    int linesPerPage = 10;//    if(request.getParameter("linesPerPage")!=null && !request.getParameter("linesPerPage").equals("")){//      linesPerPage = Integer.parseInt(request.getParameter("linesPerPage"));//    }////    // 实例化JAVABEAN//    PageBean pagebean=null;//    if(session.getAttribute("pagebean")!=null){//      pagebean = (PageBean)session.getAttribute("pagebean");//    }else{//      pagebean=new PageBean();//      session.setAttribute("pagebean",pagebean);//    }////    // 从页面取数据封装到PageBean//    pagebean.setPageNo(pageno);//    pagebean.setLinesPerPage(linesPerPage);//    pagebean.setTid(tid);////    // 从数据库取数据//    ArrayList list=pagebean.getDataList();
      out.write('\n');
      out.write('\n');
      com.accp.gz.th.zm.client.javabean.PageBean pagebean = null;
      synchronized (session) {
        pagebean = (com.accp.gz.th.zm.client.javabean.PageBean) _jspx_page_context.getAttribute("pagebean", PageContext.SESSION_SCOPE);
        if (pagebean == null){
          pagebean = new com.accp.gz.th.zm.client.javabean.PageBean();
          _jspx_page_context.setAttribute("pagebean", pagebean, PageContext.SESSION_SCOPE);
          out.write('\n');
        }
      }
      out.write("\n");
      out.write("\n");
      out.write("<html>\n");
      out.write("  <head>\n");
      out.write("    <script type=\"text/javascript\">\n");
      out.write("    /* 换页的方法 */\n");
      out.write("    function gotopage(pageno){\n");
      out.write("      document.f1.currentpageno.value=pageno;\n");
      out.write("      document.f1.submit();\n");
      out.write("    }\n");
      out.write("    /* 换行数的方法 */\n");
      out.write("    function changeLines(lines){\n");
      out.write("      document.f1.currentpageno.value=1;\n");
      out.write("      document.f1.linesPerPage.value=lines;\n");
      out.write("      document.f1.submit();\n");
      out.write("    }\n");
      out.write("\n");
      out.write("\n");
      out.write("   /**\n");
      out.write("    * 方法 2 :购买按钮的提交事件\n");
      out.write("    */\n");
      out.write("    function mysubmit(gid){\n");
      out.write("\n");
      out.write("      //创建对象\n");
      out.write("      createXMLHttpRequest();\n");
      out.write("\n");
      out.write("      // 构造地址\n");
      out.write("      var url=\"/GoodsSysModule/cartservlet?gid=\"+gid;\n");
      out.write("\n");
      out.write("      //提交给服务器\n");
      out.write("      xmlHttp.open(\"GET\",url,true);\n");
      out.write("      xmlHttp.onreadystatechange=callback;\n");
      out.write("      xmlHttp.send(null);\n");
      out.write("      document.getElementById(\"tempdiv\").style.visibility=\"visible\";\n");
      out.write("    }\n");
      out.write("\n");
      out.write("\n");
      out.write("    /**\n");
      out.write("    * 方法 1 :创建对象\n");
      out.write("    */\n");
      out.write("    function createXMLHttpRequest() {\n");
      out.write("      if (window.ActiveXObject) {\n");
      out.write("        xmlHttp = new ActiveXObject(\"Microsoft.XMLHTTP\");\n");
      out.write("      }\n");
      out.write("      else if (window.XMLHttpRequest) {\n");
      out.write("        xmlHttp = new XMLHttpRequest();\n");
      out.write("      }\n");
      out.write("    }\n");
      out.write("\n");
      out.write("\n");
      out.write("    /**\n");
      out.write("    * 方法 3 :响应\n");
      out.write("    */\n");
      out.write("    function callback(){\n");
      out.write("      if(xmlHttp.readyState==4){\n");
      out.write("        if(xmlHttp.status==200){\n");
      out.write("          document.getElementById(\"tempdiv\").style.visibility=\"hidden\";\n");
      out.write("          document.getElementById(\"mydiv\").style.visibility=\"visible\";\n");
      out.write("        }\n");
      out.write("      }\n");
      out.write("    }\n");
      out.write("\n");
      out.write("    function closediv(){\n");
      out.write("       document.getElementById(\"mydiv\").style.visibility=\"hidden\";\n");
      out.write("    }\n");
      out.write("\n");
      out.write("    function lookcart(){\n");
      out.write("      window.open(\"/GoodsSysModule/jsp/CartList.jsp\");\n");
      out.write("    }\n");
      out.write("    </script>\n");
      out.write("  </head>\n");
      out.write("  <body onclick=\"closediv()\">\n");
      out.write("    <div style=\"left=45%;top=49%;position:absolute;visibility=hidden\" id=\"tempdiv\">\n");
      out.write("      <table>\n");
      out.write("        <tr bgcolor=\"green\">\n");
      out.write("          <td>正在添加到购物车...</a></td>\n");
      out.write("        </tr>\n");
      out.write("      </table>\n");
      out.write("    </div>\n");
      out.write("    <div style=\"left=45%;top=49%;position:absolute;visibility=hidden\" id=\"mydiv\">\n");
      out.write("      <table>\n");
      out.write("        <tr bgcolor=\"aqua\">\n");
      out.write("          <td>成功加入<a href=\"javascript:lookcart()\">购物车</a></td>\n");
      out.write("        </tr>\n");
      out.write("      </table>\n");
      out.write("    </div>\n");
      out.write("    <form action=\"/GoodsSysModule/servlet1\" method=\"POST\" name=\"f1\">\n");
      out.write("\n");
      out.write("      <input type=\"hidden\" name=\"tid\" value=\"");
      out.print(pagebean.getTid());
      out.write("\" />\n");
      out.write("    <table border=\"1\" width=\"750px\">\n");
      out.write("\n");
      out.write("      <tr>\n");
      out.write("        <td colspan=\"5\" align=\"right\">\n");
      out.write("          每页<img src=\"/GoodsSysModule/10.bmp\" alt=\"\" onclick=\"changeLines(10)\"/>\n");
      out.write("          <img src=\"/GoodsSysModule/20.bmp\" alt=\"\"  onclick=\"changeLines(20)\"/>行\n");
      out.write("          <input  type=\"hidden\" name=\"linesPerPage\" value=\"");
      out.print(pagebean.getLinesPerPage());
      out.write("\"/>\n");
      out.write("        </td>\n");
      out.write("      </tr>\n");
      out.write("\n");
      out.write("      <tr>\n");
      out.write("        <th>编号</th>\n");
      out.write("        <th>名称</th>\n");
      out.write("        <th>单价</th>\n");
      out.write("        <th>库存</th>\n");
      out.write("        <th></th>\n");
      out.write("      </tr>\n");
      out.write("\n");
      out.write("      ");
      ArrayList list=pagebean.getDataList();      for(int i=0; i<list.size(); i++)      {        Goods g = (Goods)list.get(i);        out.println("<tr>");        out.println("<th>"+g.getId()+"</th>");        out.println("<th>"+g.getName()+"</th>");        out.println("<th>"+g.getPrice()+"</th>");        out.println("<th>"+g.getNumber()+"</th>");        out.println("<th><input type='button' value='购买' name='"+g.getId()+"' onclick='mysubmit(this.name)'/></th>");        out.println("</tr>");      }      
      out.write("\n");
      out.write("      <tr>\n");
      out.write("        <td colspan=\"5\">\n");
      out.write("        共");
      out.print(pagebean.getTotalPages());
      out.write("页\n");
      out.write("        第\n");
      out.write("        <select name=\"currentpageno\" onchange=\"submit()\">\n");
      out.write("          ");
         for(int i=1; i<=pagebean.getTotalPages() ;i++){           if(i==pagebean.getPageNo()){             out.print("<option selected value='"+i+"'>"+i+"</option>");           }else{             out.print("<option value='"+i+"'>"+i+"</option>");           }         }          
      out.write("\n");
      out.write("        </select>\n");
      out.write("        页\n");
      out.write("\n");
      out.write("\n");
      out.write("       ");
if(pagebean.getPageNo()>1){
      out.write("\n");
      out.write("          <a href=\"javascript:gotopage(1)\">首页 </a>\n");
      out.write("          <a href=\"javascript:gotopage(");
      out.print(pagebean.getPageNo()-1);
      out.write(")\">上一页 </a>\n");
      out.write("       ");
}else{
      out.write("\n");
      out.write("          首页 上一页\n");
      out.write("       ");
}
      out.write("\n");
      out.write("\n");
      out.write("       ");
if(pagebean.getPageNo()<pagebean.getTotalPages()){
      out.write("\n");
      out.write("          <a href=\"javascript:gotopage(");
      out.print(pagebean.getPageNo()+1);
      out.write(")\">下一页 </a>\n");
      out.write("          <a href=\"javascript:gotopage(");
      out.print(pagebean.getTotalPages());
      out.write(")\">尾页 </a>\n");
      out.write("       ");
}else{
      out.write("\n");
      out.write("          下一页 尾页\n");
      out.write("       ");
}
      out.write("\n");
      out.write("\n");
      out.write("        </td>\n");
      out.write("      </tr>\n");
      out.write("\n");
      out.write("    </table>\n");
      out.write("\n");
      out.write("        </form>\n");
      out.write("  </body>\n");
      out.write("</html>\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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