字符串 拼接

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {

@autoreleasepool {

//字符串拼接

NSString *[email protected]"pear",*[email protected]"apple";

//字符串格式化输出

NSString *newstr=[[NSString alloc]initWithFormat:@"拼接后%@ %@",str1,str2];

NSLog(@"%@",newstr);

NSString *newstr1=[str1 stringByAppendingString:str2];

NSLog(@"%@",newstr1);

//字符串格式化拼接

NSString *newstr2=[str1 stringByAppendingFormat:@"-%@",str2];

NSLog(@"%@",newstr2);

}

return 0;

}