字符拆分的小程序，可以用于大量数据存储的例子。比如大量数据需要存储进数据库，那可以将数组存为一个字符串存入数据库，然后再从数据库中导出，可以利用字符拆分的方法进行。-Characters split a small program that can be used for large amounts of data storage example. For example, the need to store large amounts of data into the database, it