val data = sc.parallelize(List(("192.168.34.5", "pc", 5, 12)))
val url = "jdbc:mysql://ip:端口/数据库?user=username&password=password”
classOf[com.mysql.jdbc.Driver]
val conn = DriverManager.getConnection(url)
上面写会有报Unknown MySQL server host的问题，改成下面写就ok，我也没弄清楚是什么问题，有知道的小伙伴可以告诉我呢！
val data = sc.parallelize(List(("192.168.34.5", "pc", 5, 12)))
val url = "jdbc:mysql://ip:端口/数据库?"///user=username&password=password”
classOf[com.mysql.jdbc.Driver]
val conn = DriverManager.getConnection(url, user, pwd)
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