我想将一个字符串放在一个字符串中。基本上是伪代码：
"first part of string" + "(varying string)" + "third part of string"
我怎样才能在 Objective-C 中做到这一点？有没有办法在 obj-c 中轻松连接？谢谢！
Yes, do
NSString *str = [NSString stringWithFormat: @"first part %@ second part", varyingString];
对于串联，您可以使用stringByAppendingString
NSString *str = @"hello ";
str = [str stringByAppendingString:@"world"]; //str is now "hello world"
对于多个字符串
NSString *varyingString1 = @"hello";
NSString *varyingString2 = @"world";
NSString *str = [NSString stringWithFormat: @"%@ %@", varyingString1, varyingString2];
//str is now "hello world"
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