可变字符串NSMutableString

时间：2014-04-30 00:54:21 收藏：0 阅读：331

NSMutableString *mutableStr = [[NSMutableString alloc] initWithFormat:@"蓝鸥科技有限公司"];

NSMutableString *mutableStr1 = [NSMutableString stringWithFormat:@"蓝鸥科技有限公司"];

//拼接字符串

[mutableStr appendString:@".txt"];

NSLog(@"%@", mutableStr);

//插入

[mutableStr1 insertString:@"3G" atIndex:2];

NSLog(@"%@", mutableStr1);

//删除

[mutableStr1 deleteCharactersInRange:NSMakeRange(2, 2)];

NSLog(@"%@", mutableStr1);