怎么实现java web网页上点击，打开本地的客户端

Question

最好是能将用户名密码传进去。
类似于淘宝客服，点击后直接打开本地的阿里旺旺，然后自动或者手动登录。

Answer 1

The browser does not support access to local files

Answer 2

I probably know that it seems to be
through a self-defined URI scheme

Answer 3

URI scheme
When installing the client, you need to write a registry and declare your own scheme