mysqli连接提示 Warning: mysqli::mysqli(): (HY000/2002): No such file or directory

Reference Links: https://blog.csdn.net/zhaoerduo/article/details/51076456

Today in research easyswoole, after starting easyswoole on the test server prompts PHP Warning: mysqli :: __ construct (): (HY000 / 2002): No such file or directory ...

Solution: Modify the project mysql connection configuration option will host a localhost into 127.0.0.1