It seems to be a problem of inconsistent encoding and decoding methods. Do you know the format of the parameters given by the other party? If it is utf-8, you use utf-8 to decode. If it is gbk, you use gbk to decode.
You can use URL encoding ios urldecode decoding, you can refer to here or you can go to Baidu ios urldecode http://blog.csdn.net/kesalin/article/details/6678939
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
It seems to be a problem of inconsistent encoding and decoding methods. Do you know the format of the parameters given by the other party? If it is utf-8, you use utf-8 to decode. If it is gbk, you use gbk to decode.
You can use URL encoding ios urldecode decoding, you can refer to here or you can go to Baidu ios urldecode
http://blog.csdn.net/kesalin/article/details/6678939