在Javaweb项目中用MVC模式进行后端管理员RSA加密登录的具体代码实现,要求使用MySQL数据库,利用layUI框架和ajax接口请求
时间: 2023-05-28 08:05:30 浏览: 41
以下是一个简单的示例代码:
1. Model
```
public class User {
private int id;
private String username;
private String password;
private String publicKey;
private String privateKey;
// getter and setter
}
```
2. DAO
```
public interface UserDao {
User getUserByUsername(String username);
void updateUser(User user);
}
```
```
public class UserDaoImpl implements UserDao {
@Override
public User getUserByUsername(String username) {
// 从数据库中获取用户信息
// 注意需要将数据库中的公钥和私钥读取出来设置到User对象中
}
@Override
public void updateUser(User user) {
// 更新用户信息到数据库中
}
}
```
3. Controller
```
@RestController
public class LoginController {
@Autowired
private UserDao userDao;
@PostMapping("/login")
public JsonResult login(String username, String password) {
User user = userDao.getUserByUsername(username);
if (user != null) {
try {
// 使用私钥解密密码
String decryptedPassword = RSAUtils.decrypt(password, user.getPrivateKey());
if (decryptedPassword.equals(user.getPassword())) {
// 登录成功,更新数据库中的用户信息
userDao.updateUser(user);
return JsonResult.success();
}
} catch (Exception e) {
e.printStackTrace();
}
}
return JsonResult.error("用户名或密码错误");
}
}
```
4. View
```
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>登录</title>
<link rel="stylesheet" href="/layui/css/layui.css">
</head>
<body>
<div class="layui-container">
<div class="layui-row">
<div class="layui-col-md6 layui-col-md-offset3">
<form class="layui-form" method="post">
<div class="layui-form-item">
<label class="layui-form-label">用户名</label>
<div class="layui-input-block">
<input type="text" name="username" required lay-verify="required" placeholder="请输入用户名"
autocomplete="off" class="layui-input">
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label">密码</label>
<div class="layui-input-block">
<input type="password" name="password" required lay-verify="required" placeholder="请输入密码"
autocomplete="off" class="layui-input">
</div>
</div>
<div class="layui-form-item">
<div class="layui-input-block">
<button class="layui-btn" lay-submit lay-filter="login">登录</button>
</div>
</div>
</form>
</div>
</div>
</div>
<script src="/layui/layui.js"></script>
<script>
layui.use(['form', 'layer'], function () {
var form = layui.form;
var layer = layui.layer;
form.on('submit(login)', function (data) {
var username = data.field.username;
var password = data.field.password;
var publicKey = ""; // 从后端获取公钥
// 使用公钥加密密码
var encryptedPassword = RSAUtils.encrypt(password, publicKey);
// 发送ajax请求进行登录
$.ajax({
url: '/login',
type: 'post',
data: {
username: username,
password: encryptedPassword
},
dataType: 'json',
success: function (res) {
if (res.code === 0) {
// 登录成功,跳转到首页
window.location.href = '/';
} else {
layer.msg(res.msg);
}
}
});
return false;
});
});
</script>
</body>
</html>
```