校友会系统的Java实现及其功能探讨

private String username;

private String password;

private String email;

// 构造函数

public User(String username, String password, String email) {

this.username = username;

this.password = password;

this.email = email;

}

// Getter和Setter方法

public String getUsername() {

return username;

}

public void setUsername(String username) {

this.username = username;

}

public String getPassword() {

return password;

}

public void setPassword(String password) {

this.password = password;

}

public String getEmail() {

return email;

}

public void setEmail(String email) {

this.email = email;

}

}

try (Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/alumni", "root", "password")) {

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String sql = "INSERT INTO users (username, password, email) VALUES (?, ?, ?)";

PreparedStatement pstmt = conn.prepareStatement(sql);

pstmt.setString(1, user.getUsername());

pstmt.setString(2, user.getPassword());

pstmt.setString(3, user.getEmail());

int rowsAffected = pstmt.executeUpdate();

return rowsAffected > 0;

} catch (SQLException e) {

e.printStackTrace();

return false;

}

}