摘要:
需要用rownum和order by时可以用两层select进行查询select * from(select rownum rn, a.* from (select DISTINCT c.name AS cname, NVL(sum(oi. money),0) AS sumMoney from (o 阅读全文
摘要:
#是将传入的值当做字符串的形式,可以防止sql注入 $是将传入的数据直接显示生成sql语句 阅读全文
摘要:
设置tomcat的servers项目下server.xml,修改如下代码 <Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443" URIEncoding="UTF-8"/> 阅读全文