In this case, it is important not to apply the filter to the original inputstring, but only to the output version.
在这种情况下,重要的是不向原始的输入字符串应用过滤,而只向输出版本应用过滤。
2
Create an interface, which takes as input the business object, and as output a type of string.
创建一个接口,将业务对象作为输入,将字符串类型作为输出。
3
Length of a string variable: Input argument for the SUBSTR function, which determines the desired length of the resulting string or output of the length function.