📄 modify2.jsp
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<html>
<head>
<title>将修改后的用户信息存到数据库</title>
</head>
<%@ page contentType="text/html;charset=GB2312" %>
<%@ page import="java.sql.*" %>
<jsp:useBean id="connManager" scope="application" class="test.DBConnManager" />
<body bgcolor="#CFF1E1">
<center><h2>
将修改后的用户信息存到数据库
</h2></center>
<%
int id=0;
try{
id=Integer.parseInt(request.getParameter("id").toString());
}catch(Exception e)
{
out.println("链接错误");
out.close();
}
String userid=request.getParameter("userid");
String name=request.getParameter("name");
String email=request.getParameter("email");
String address=request.getParameter("address");
if(userid==null||name==null||email==null||address==null||
userid.equals("")||name.equals("")||email.equals("")||address.equals("")){
out.println("填写不完整，<a href='javascript:history.back();'>请返回</a>");
out.close();
}
%>
<%
Connection con = connManager.getConnection("mysql");
if(con==null)
{
%>对不起，现在数据库忙，请稍后再试
<%
}
%>
<%
Statement stmt = con.createStatement();
int value=stmt.executeUpdate("update Users set UserID='"+userid+"' , Name='"+name+"', Email='"+email+"' , Address='"+address+"' where ID="+id);
if(value>0)
{
out.println("修改成功！<a href=userlist.jsp>请返回</a>");
}else
{
out.println("修改失败！<a href=userlist.jsp>请返回</a>");
}
stmt.close();
connManager.releaseConnection("mysql",con);
%>
</body>
</html>
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