我目前试图使用这个:
NSString *hello = @"Hello";
NSString *whatever = [hello stringByAppendingString:@", world!"];
它可以使用它,但它会做很多工作,因为我的目标是做这样的事情:
NSString = "Hello" +variable+ "My name is" +variable + ",Good day"
您可以使用NSString的方法stringWithFormat
例
NSString *str = [NSString stringWithFormat:@"Hello %@ My Name is %@ ",var1,var2]
要么
NSString *str = [NSString stringWithFormat:@"Hello %@ My Name is %@ ",@"Stack Overflow",@"FreelancsAndroidLovesyou"]
您也可以这样做,如果两个值相同,那么您可以这样做,
NSString *string = @"Hello YOUR_NAME, My name is YOUR_NAME, Good day";
string = [string stringByReplacingOccurrencesOfString:@"YOUR_NAME" withString:@"Your_desired_Name"];
UPDATE
如果两个值都不同,那么你可以这样做,
NSString *string = @"Hello %@, My name is %@, Good day";
NSString *output = [NSString stringWithFormat:string, variable1, variable2];
您可以使用NSString方法stringWithFormat。
目标C.
NSString *strConcat = [NSString stringWithFormat:@"Hello %@ My Name is %@ ",var1,var2];
迅速
let strConcat = "Hello "+ strOne + " My Name is " + strTwo
要么
let strConcateSecond = "Hello \(strOne) My Name is \(strTwo)"