我是 iOS 新手。我目前正在使用 Objective-C 和 Swift 学习 iOS。
要在 Objective-C 中附加字符串,我使用以下代码:
NSString *string1 = @"This is";
NSString *string2 = @"Swift Language";
NSString *appendString=[NSString stringWithFormat:@"%@ %@",string1,string2];
NSLog(@"APPEND STRING:%@",appendString);
任何人请指导我。
它非常简单:
对于 ObjC:
NSString *string1 = @"This is";
NSString *string2 = @"Swift Language";
对于斯威夫特:
let string1 = "This is"
let string2 = "Swift Language"
对于 ObjC AppendString:
NSString *appendString=[NSString stringWithFormat:@"%@ %@",string1,string2];
对于 Swift AppendString:
var appendString1 = "\(string1) \(string2)"
var appendString2 = string1+string2
Result:
print("APPEND STRING 1:\(appendString1)")
print("APPEND STRING 2:\(appendString2)")
Swift 中的完整代码:
let string1 = "This is"
let string2 = "Swift Language"
var appendString = "\(string1) \(string2)"
var appendString1 = string1+string2
print("APPEND STRING1:\(appendString1)")
print("APPEND STRING2:\(appendString2)")
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