拼接字符串(Concatenate two strings) 一个明智的策略或许是对于现有的项目,保持使用Objective C,而对于新项目,尝试性使用Swift, .
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Often, you need to concatenate a variable between two strings.
通常,您需要在两个字符串之间连接一个变量。
The Concat function will concatenate two or more strings from the source into a single string value on the target side.
Concat 函数将来自源的两个或多个字符串在目标端连接成一个单一的字符串值。
This method also USES the built-in concatenate function to combine two strings and return them as a single string.
此方法还使用内置的concatenate函数把两个字符串组合在一起,并将其作为单个字符串返回。
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