mysql 错误:Client does not support authentication protocol requested by server
今天编程时，出现了一个如下错误：
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mysql 错误:Client does not support authentication protocol requested by server，?consider upgrading MySQL
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客户端的认证协议与服务器不一致，需要更新客户端，网上找了一下解决办法
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1：UPDATE mysql.user SET Password = OLD_PASSWORD('newpwd')
??WHERE Host = 'some_host' AND User = 'some_user';(生新设置密码)
2：FLUSH PRIVILEGES;（刷新）
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新版Mysql密码算法不同导致
