using System; using System.Collections; using System.Net; using System.Net.Sockets; using System.Text; using System.Threading; namespace PYC.FileTransfer.Common.SocketHelp000000000000000000000 { public delegate void NetSockErr(object sender, NetArgs
安装mysql8.0之后,尝试使用php连接mysql,总是报PDO::__construct(): Server sent charset (255) unknown to the client. Please, report to the developers错误,网上找了很多资料,然而都没有多大用处. 查找了mysql官方说明文档才知道原来M8.0已经已经把默认字符集升级成ut8mb4了,于是找到my.cnf文件,修改如下: [client] 2 port = 3306 socket =