摘要： 1.使用fastjson包 2.创建PropertityFilter对象 PropertyFilter filter = new PropertyFilter() { @Override public boolean apply(Object arg0, String filedname, Obje 阅读全文

摘要： 以下都以查询第二页11-20条记录为例 1.两层子查询嵌套（不排序的话只用嵌套1层） Select * from ( Select rownum rn,t.* from (Select * from user order by salary desc) t where rn <= 20 ) wher 阅读全文

摘要： eclipse在dao层写的模糊查询sql：String sql = "select count(*) from product where pname like '%?%'"； 这样写会导致以下错误 Wrong number of parameters: expected 0, was given 阅读全文