jsp怎么输入mysql数据库

<%
    Connection conn = null;
    try {
        Class.forName("com.mysql.jdbc.Driver");
        String url = "jdbc:mysql://localhost:3306/数据库名";
        String username = "用户名";
        String password = "密码";
        conn = DriverManager.getConnection(url, username, password);
        // 进行数据库操作...
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (conn != null) {
            try {
                conn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
%>

<%
    Statement stmt = null;
    ResultSet rs = null;
    try {
        stmt = conn.createStatement();
        String sql = "SELECT * FROM 表名";
        rs = stmt.executeQuery(sql);
        // 处理查询结果...
    } catch (SQLException e) {
        e.printStackTrace();
    } finally {
        if (rs != null) {
            try {
                rs.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
        if (stmt != null) {
            try {
                stmt.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
%>