java实战 连接数据库

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☄️Ideas

/**
     * 测试数据库连接
     */
    public static boolean testDatasource(String url, String username, String password) {

        try {
            Class.forName("com.mysql.cj.jdbc.Driver");
            Connection connection = DriverManager.getConnection(url, username, password);
            return connection != null;
        } catch (ClassNotFoundException | SQLException e) {
            return false;
        }
    }

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