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📄 shopcar_jsp.java

📁 网上购书系统!jsp+servlet+jdbc实现!数据库sqlserver2
💻 JAVA
字号:
package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import beans.BookInfoBean;
import java.util.ArrayList;;

public final class shopcar_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\n");
      out.write("\r\n");

  BookInfoBean bean = new BookInfoBean();
  Object obj = session.getAttribute("book");
  ArrayList bookslist = (ArrayList) obj;
  session.setAttribute("book",bookslist);


      out.write("\r\n");
      out.write("<html>\r\n");
      out.write("<head>\r\n");
      out.write("<title>shopcar</title>\r\n");
      out.write("<script type=\"\" language=\"javascript\">\r\n");
      out.write("function userback(){\r\n");
      out.write("  history.go(-1);\r\n");
      out.write("}\r\n");
      out.write("function countSubmit(){\r\n");
      out.write("  var count = document.form1.count;//获得购买数量\r\n");
      out.write("  for(var i = 0;i<count.length;i++){\r\n");
      out.write("    if(count[i].value == \"\"){\r\n");
      out.write("      alert(\"请输入购买数量!\");\r\n");
      out.write("      return false;\r\n");
      out.write("    }\r\n");
      out.write("  }\r\n");
      out.write("\r\n");
      out.write("  for(var i = 0;i<count.length;i++){\r\n");
      out.write("    if(parseInt(count[i].value)<1){\r\n");
      out.write("      alert(\"输入的数量不能是零和负数!\");\r\n");
      out.write("      return false;\r\n");
      out.write("    }\r\n");
      out.write("  }\r\n");
      out.write("  for(var i = 0;i<count.length;i++){\r\n");
      out.write("    if(count[i].value.indexOf(\".\")!=-1){\r\n");
      out.write("      alert(\"包含非法字符!\");\r\n");
      out.write("      return false;\r\n");
      out.write("    }\r\n");
      out.write("  }\r\n");
      out.write("  for(var i = 0;i<count.length;i++){\r\n");
      out.write("    if(isNaN(count[i].value)){\r\n");
      out.write("      alert(\"请输入数字!\");\r\n");
      out.write("      return false;\r\n");
      out.write("    }\r\n");
      out.write("  }\r\n");
      out.write("}\r\n");
      out.write("function deletebook(name){\r\n");
      out.write("  var bookname = name;\r\n");
      out.write("  location.href=\"deletebookservlet?id=bookname\";\r\n");
      out.write("}\r\n");
      out.write("</script>\r\n");
      out.write("</head>\r\n");
      out.write("<body bgcolor=\"#CCCCCC\">\r\n");
      out.write("<table width=\"20\" border=\"1\" bgcolor=\"#999999\" cellpadding=\"5\" align=\"center\">\r\n");
      out.write("  <tr>\r\n");
      out.write("    <td nowrap=\"nowrap\">\r\n");
      out.write("      <font size=\"6\" face=\"宋体\">\r\n");
      out.write("        <b>您的购物车</b>\r\n");
      out.write("      </font>\r\n");
      out.write("    </td>\r\n");
      out.write("  </tr>\r\n");
      out.write("</table>\r\n");
      out.write("<form name=\"form1\" action=\"shoppingokservlet\" method=\"POST\" onsubmit=\"return countSubmit();\">\r\n");
      out.write("<table border=\"1\" align=\"center\">\r\n");
      out.write("  <tr>\r\n");
      out.write("\r\n");
      out.write("    <th>编号</th>\r\n");
      out.write("    <th>书籍名称</th>\r\n");
      out.write("    <th>单价(元)</th>\r\n");
      out.write("    <th>购买数量</th>\r\n");
      out.write("    <th>是否删除</th>\r\n");
      out.write("  </tr>\r\n");
      out.write("  ");

    for(int i = 0;i<bookslist.size();i++){
      bean = (BookInfoBean)bookslist.get(i);
  
      out.write("\r\n");
      out.write("      <tr>\r\n");
      out.write("        <td>");
      out.print(bean.getNum());
      out.write("</td>\r\n");
      out.write("        <td>");
      out.print(bean.getName());
      out.write("</td>\r\n");
      out.write("        <td>");
      out.print(bean.getRmb());
      out.write("</td>\r\n");
      out.write("        <td align=\"center\"><input type=\"text\" name=\"count\" value=\"\" size=\"5\" /></td>\r\n");
      out.write("        <td align=\"center\">\r\n");
      out.write("          <a href=\"deletebookservlet?id=");
      out.print(bean.getNum());
      out.write("\">删 除</a>\r\n");
      out.write("        </td>\r\n");
      out.write("      </tr>\r\n");
      out.write("  ");
}
      out.write("\r\n");
      out.write("  <tr>\r\n");
      out.write("    <td colspan=\"5\" align=\"center\">\r\n");
      out.write("      <input type=\"submit\" name=\"Submit\" value=\"购 买\"/>&nbsp;&nbsp;\r\n");
      out.write("      <input type=\"button\" name=\"back\" value=\"重新选购\" onclick=\"userback()\" />\r\n");
      out.write("    </td>\r\n");
      out.write("  </tr>\r\n");
      out.write("</table>\r\n");
      out.write("</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)
          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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