成新
字符串拼接,追加字符串
字符串拼接,追加字符串/*将两个字符串 NSString * str1 = @"123";NSString * str2 = @"abc";拼接成⼀⼀个完整的字符串。*/#import <Foundation/Foundation.h>int main(int argc, const char * argv[]){/*⽅法⼀*/// NSString * st...
字符串拼接,追加字符串/*将两个字符串 NSString * str1 = @"123";NSString * str2 = @"abc";拼接成⼀⼀个完整的字符串。*/#import <Foundation/Foundation.h>int main(int argc, const char * argv[]){/*⽅法⼀*/// NSString * st...