key1:
String url="jdbc:mysql://localhost:3306/test1?useUnicode=true&characterEncoding=utf-8&useSSL=false";
key2:
?useSSL=false
key1:
String url="jdbc:mysql://localhost:3306/test1?useUnicode=true&characterEncoding=utf-8&useSSL=false";
key2:
?useSSL=false
