问题描述 新手问:ssh中BaseAction的作用 public class BaseAction extends ActionSupport { public String jsonString;public void outJsonString(String str) { getResponse().setContentType(""text/javascript;charset=UTF-8""); outString(str);}/* * public vo
问题描述 ssh中form向后台传值为null jsp中form部分如下 用户名: 密码: 搜索: 下面这个表传回后台的值为空Hibernate: select song0_.sid as sid3_ song0_.location as location3_ song0_.songname as songname3_ from Song song0_ where song0_.songname like '%null%' 这是查询语句public List findByName(String