语句使用：jdbc:mysql:loadbalance://[host1][:port],[host2][:port][,[host3][:port]]...[/[database]] »
[?propertyName1=propertyValue1[&propertyName2=propertyValue2]...]
例如：jdbc:mysql:loadbalance://ip1:port1, ip2:port2/rizhiyi_system?roundRobinLoadBalance=true
参考：https://dev.mysql.com/doc/connector-j/5.1/en/connector-j-reference-configuration-properties.html
原文：https://www.cnblogs.com/yankang/p/11047142.html