?? edit_do.jsp
字號:
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<html>
<head>
<title>修改</title>
</head>
<%
request.setCharacterEncoding("GB2312");
String className="com.microsoft.sqlserver.jdbc.SQLServerDriver";
String url="jdbc:sqlserver://localhost:1433;DatabaseName = scm";
String user="sa";
String password="000000";
String id=request.getParameter("id");
String materiel_id=request.getParameter("materiel_id");
String materiel=request.getParameter("materiel");
String amount=request.getParameter("amount");
String price=request.getParameter("price");
try{
Class.forName(className);
Connection con=DriverManager.getConnection(url,user,password);
Statement stat=con.createStatement();
String sql="update t_orderitem set id='"+id+"',materiel_id='"+materiel_id+"',materiel='"+materiel+"',amount='"+amount+
"',price='"+price+"'where id='"+id+"'";
stat.executeUpdate(sql);
sql="select amount,price from t_orderitem where id='"+id+"'";
ResultSet rs=stat.executeQuery(sql);
if(rs.next())
{
int unit_price=rs.getInt(1)*rs.getInt(2);
out.println(unit_price);
sql="update t_order set unit_price="+unit_price+" where id='"+id+"'";
stat.executeUpdate(sql);
}
stat.close();
con.close();
response.sendRedirect("db.jsp");
}
catch(ClassNotFoundException e)
{out.println(e.toString());}
catch(SQLException e)
{out.println(e.toString());}
%>
<body>
</body>
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