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Unknown initial character set index '255' received from server. Initial client character set can be

分类: 文章 • 2024-01-03 20:46:40

在连接mysql数据库是经常会出现一些莫名其妙的错误，截图如下：

Unknown initial character set index '255' received from server. Initial client character set can be

如果是这样的错误那么你不用慌这是SQL转码出现了错误，在数据库的URL这块加上“？characterEncoding=utf8&useSSL=false&useUnicode=true”这句问题就解决了。完整的句式如下：(J2EE处写你的数据库名称)

String url="jdbc:mysql://localhost:3306/J2EE?characterEncoding=utf8&useSSL=false&useUnicode=true";