此函数将正确地过滤您的输入，因此它不包括无效字符。
This function properly scrubs your input so it doesn't include invalid characters.
所有数据，包括动态sql语句、用户输入数据、用户输出数据以及SQLCA中的字符字段，都是基于该代码页进行解释的。
All data, including dynamic SQL statements, user input data, user output data, and character fields in the SQLCA, is interpreted based on this code page.
您可能知道不应该允许用户的输入中包括“/”，但是仅仅去检查这一个字符可能是不对的。
You may know that allowing users to include "/" would be a bad idea, but just checking for this one character would probably be a mistake.
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