jdbc:informix-sqli://[{ip-address|host-name}:{port-number|service-name}][/dbname]:
INFORMIXSERVER=servername[{;user=user;password=password]
|CSM=(SSO=database_server@realm,ENC=true)}
[;name=value[;name=value]...]
来自：http://publib.boulder.ibm.com/infocenter/idshelp/v111/index.jsp?topic=/com.ibm.jdbc_pg.doc/sii-02conect-15069.htmhttp://ict.udlap.mx/people/roberto/jdbcis341/docsAndothers/doc/release/program.fm1.html
JDBC URL:
http://www.redmountainsw.com/wordpress/2009/08/08/jdbc-connection-urls/