private static String postTitle = "唯一索引重复导致插入失败的解决方案";
private static String urlTitle = "insert-with-unique-index";
private static String categories = "[MySQL]";
private static String tags = "[database, MySQL]";
private static String folder = "database" + File.separator + "mysql" + File.separator + "content";

private static String postTitle = "在macOS上使用Homebrew安装PostgreSQL";
private static String urlTitle = "install-postgresql-on-macOS-by-homebrew";
private static String categories = "[PostgreSQL]";
private static String tags = "[database, PostgreSQL, macOS]";
private static String folder = "database" + File.separator + "postgresql";