📄 profile_action.jsp
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<%@ page language="java" contentType="text/html; charset=GBK"
pageEncoding="GBK"%>
<%@page import="java.util.*,java.io.*,java.sql.*"%>
<%@ include file="conn.jsp"%>
<!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=GBK">
<title>Insert title here</title>
</head>
<body>
<%
if (null != session.getAttribute("login")) {
try {
String strDo = "";
String username = "";
String old_password = "";
String new_password = "";
String new_email = "";
if (null != session.getAttribute("login"))
username = session.getAttribute("login").toString();
if (null != request.getParameter("old_password"))
old_password = request.getParameter("old_password");
if (null != request.getParameter("password"))
new_password = request.getParameter("password");
if (null != request.getParameter("email"))
new_email = request.getParameter("email");
//接收空值时跳转到登录页面 防止用户直接访问本页面
if ((username.equals(null)) || (old_password.equals(""))) {
response.sendRedirect("error.jsp");
} else {
//执行查询
strDo = "SELECT * FROM " + tuinfo + " WHERE name='"
+ username + "' and password=SHA('"
+ old_password + "')";
System.out.print(strDo + "\n");
rs = stmt.executeQuery(strDo);
if (rs.next()) {
rs.close();
System.out.print("登录成功\n");
strDo = "UPDATE " + tuinfo + " SET";
//判断修改不同信息
if ((!new_password.equals(""))
&& (new_email.equals(""))) {
strDo += " password=SHA('" + new_password
+ "') WHERE name='" + username + "'";
System.out.print(strDo + "\n");
stmt.executeUpdate(strDo);
session.removeAttribute("login");
}
if ((!new_email.equals(""))
&& (new_password.equals(""))) {
strDo += " email='" + new_email
+ "' WHERE name='" + username + "'";
System.out.print(strDo + "\n");
stmt.executeUpdate(strDo);
}
if ((!new_password.equals(""))
&& (!new_email.equals(""))) {
strDo += " password=SHA('" + new_password
+ "'),email='" + new_email
+ "' WHERE name='" + username + "'";
System.out.print(strDo + "\n");
stmt.executeUpdate(strDo);
session.removeAttribute("login");
}
response.sendRedirect("success.jsp");
} else {
rs.close();
System.out.print("登录失败\n");
//重定向 登录页
response.sendRedirect("error.jsp");
}
}
} catch (Exception e) {
e.printStackTrace();
response.sendRedirect("error.jsp");
} finally {
stmt.close();
conn.close();
}
} else {
response.sendRedirect("error.jsp");
}
%>
</body>
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