摘要： NSString* string; // 结果字符串NSString* string1, string2; //已存在的字符串，需要将string1和string2连接起来 //方法1.string = [NSString initWithFormat:@"%@,%@", string1, string2 ]; //方法2.string = [string1 stringByAppendingString:string2]; //方法3 .string = [string stringByAppendingFormat:@"%@,%@",string1, 阅读全文