iOS沙盒路径

    NSString *path = NSHomeDirectory();//主目录
    NSLog(@"NSHomeDirectory:%@",path);
    NSString *userName = NSUserName();//与上面相同
    NSString *rootPath = NSHomeDirectoryForUser(userName);
    NSLog(@"NSHomeDirectoryForUser:%@",rootPath);
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentsDirectory=[paths objectAtIndex:0];//Documents目录
    NSLog(@"NSDocumentDirectory:%@",documentsDirectory);