package com.action; import com.bean.TBBean; import com.dao.TBDao; import com.opensymphony.xwork2.ActionSupport; import org.apache.struts2.ServletActionContext; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import java.io.PrintWriter; import java.util.List; public class MyLog extends ActionSupport { //下面是Action内用于封装用户请求参数的属性 private List list; public List getList() { return list; } public void setList(List list) { this.list = list; } //处理用户请求的execute方法 public String execute() throws Exception { //解决乱码,用于页面输出 HttpServletResponse response=null; response=ServletActionContext.getResponse(); response.setContentType("text/html;charset=UTF-8"); response.setCharacterEncoding("UTF-8"); PrintWriter out = response.getWriter(); //创建session对象 HttpSession session = ServletActionContext.getRequest().getSession(); //验证是否正常登录 if(session.getAttribute("id")==null){ out.print(""); out.flush();out.close();return null; } //查询所有 list=new TBDao().GetList("TB_TeacherID="+session.getAttribute("id"),"Building_Name"); return SUCCESS; } //判断是否空值 private boolean isInvalid(String value) { return (value == null || value.length() == 0); } //测试 public static void main(String[] args) { System.out.println(); } }