用户注册功能实现,在HTML页面输入账户名称和密码,在Servlet程序中获取,最后放到数据库中实现
时间: 2024-05-15 09:15:59 浏览: 19
用户注册功能的实现步骤如下:
1. 编写HTML页面,包含账户名称和密码的输入框,以及提交按钮。
```html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>用户注册</title>
</head>
<body>
<h1>用户注册</h1>
<form action="register" method="post">
<label for="username">账户名称:</label>
<input type="text" id="username" name="username"><br>
<label for="password">密码:</label>
<input type="password" id="password" name="password"><br>
<input type="submit" value="注册">
</form>
</body>
</html>
```
2. 在Servlet程序中获取账户名称和密码,然后将其插入到数据库中。
```java
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class RegisterServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.setCharacterEncoding("UTF-8");
String username = request.getParameter("username");
String password = request.getParameter("password");
Connection conn = null;
PreparedStatement pstmt = null;
try {
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "123456");
pstmt = conn.prepareStatement("INSERT INTO user (username, password) VALUES (?, ?)");
pstmt.setString(1, username);
pstmt.setString(2, password);
pstmt.executeUpdate();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
} finally {
try {
if (pstmt != null) {
pstmt.close();
}
if (conn != null) {
conn.close();
}
} catch (SQLException e) {
e.printStackTrace();
}
}
response.sendRedirect("success.html");
}
}
```
3. 在数据库中创建user表,用于存储用户信息。
```sql
CREATE TABLE user (
id INT PRIMARY KEY AUTO_INCREMENT,
username VARCHAR(20) NOT NULL,
password VARCHAR(20) NOT NULL
);
```
4. 运行程序,在浏览器中访问注册页面,输入账户名称和密码,点击注册按钮后,将会将用户信息插入到数据库中。
相关推荐
![rar](https://img-home.csdnimg.cn/images/20210720083606.png)
![rar](https://img-home.csdnimg.cn/images/20210720083606.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)