失败提示：Driver class ‘net.sourceforge.jtds.jdbc.Driver’ could not be found, make sure the ‘MS SQL Server’ driver (jar file) is installed.查看自己当时下载的mysql版本号，jar包最好选择相同版本号！将拷贝文件粘贴到lib里，以下为lib路径。下载完后解压文件，将ja