📄 manageraddbooks.jsp

📁 里面包含了一个网上书店要的大致的文件。主要是现实前台的jsp页面。

💻 JSP

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<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<%@page import="com.iss.dataBase.SQLParser"%>
<%@page import="java.sql.*"%>
<%--
The taglib directive below imports the JSTL library. If you uncomment it,
you must also add the JSTL library to the project. The Add Library... action
on Libraries node in Projects view can be used to add the JSTL 1.1 library.
--%>
<%--
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> 
--%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
   "http://www.w3.org/TR/html4/loose.dtd">

<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title></title>
    </head>
    <body>
        <%
        Statement stmt=SQLParser.getInstance().getStmt();
        String  ISBN=(String)request.getParameter("ISBN");
        String Author=(String)request.getParameter("author");
        String title=(String)request.getParameter("title");
        String publishername=(String)request.getParameter("publishername");
        String edition=(String)request.getParameter("edition");
        String datePublish =(String)request.getParameter("datepublish");
        String price=(String)request.getParameter("price");
        String Description = (String)request.getParameter("description");
        String Catalog=(String)request.getParameter("catalog");
       String quantity=(String) request.getParameter("quantity");
       String path=(String) request.getParameter("path");
        String sql="select * from book where ISBN = '"+ISBN+"'";
        ResultSet rs=stmt.executeQuery(sql);
        if((rs!=null&&rs.next()))
            {
            sql="insert into book values (' "+ISBN+"','"+Author+"','"+title+"','"+publishername+"',"+edition+",'"+datePublish+"',"+price+",'"+Description+"','"+Catalog+"','"+path+"')";
            stmt.executeUpdate(sql);
            sql="insert into stock values( '"+ISBN+"',"+quantity+")";
            stmt.executeUpdate(sql);
            
            }
            else
                {
                sql="update stock set quantity=quantity + "+quantity+" where ISBN = '"+ISBN+"'";
                  
                stmt.executeUpdate(sql);
                }
                
               out.print("<html><head><title>编辑成功</title></head><body>成功编辑，请返回<a href='right.html'>原始主页</a></body></html>");
        %>
    
    <%--
    This example uses JSTL, uncomment the taglib directive above.
    To test, display the page like this: index.jsp?sayHello=true&name=Murphy
    --%>
    <%--
    <c:if test="${param.sayHello}">
        <!-- Let's welcome the user ${param.name} -->
        Hello ${param.name}!
    </c:if>
    --%>
    
    </body>
</html>

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