delete.jsp

来自「网上购书,可以实现网上购书,界面漂亮,代码易懂」· JSP 代码 · 共 53 行

JSP
53
字号
<%@ page contentType="text/html;charset=GB2312" %>
<%@ page import="java.sql.*" %>
<HTML>
<BODY bgcolor=pink ><Font size=4>
  <% //获取提交的产品名:
    String name=request.getParameter("name");
     byte b[]=name.getBytes("ISO-8859-1");
     name=new String(b);
    Connection con=null;
    Statement sql=null;
    ResultSet rs=null;
       try{Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
          }
       catch(ClassNotFoundException event){}
       try {con=DriverManager.getConnection("jdbc:odbc:sun","sa","");
       sql=con.createStatement();
       //删除操作:
       String deleteAll="DELETE FROM goods WHERE 产品名='"+name+"'";
       sql.executeUpdate(deleteAll);
      %>
     <P>删除记录后的表:
     <%
       rs=sql.executeQuery("SELECT * FROM goods");
       out.print("<Table Border>");
            out.print("<TR>");
            out.print("<TH width=100>"+"产品名");
            out.print("<TH width=100>"+"库存数量");
            out.print("<TH width=50>"+"价格");
            out.print("<TH width=50>"+"产品简介");
            out.print("</TR>");
       while(rs.next())
           {    out.print("<TR>");
                name=rs.getString(1);
                 out.print("<TD >"+name+"</TD>"); 
                 int  n=rs.getInt("库存数量"); 
                 out.print("<TD >"+n+"</TD>"); 
                int p=rs.getInt("价格"); 
                 out.print("<TD >"+p+"</TD>");
                String index=rs.getString(4);
                 out.print("<TD >"+index+"</TD>"); 
            out.print("</TR>") ;  
         }
       out.print("</Table>");
      con.close();
     }
    catch(SQLException event)
          {out.print(""+event);
          }
 %>
</FONT>
</BODY>
</HTML>

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