package com.action;

import com.bean.DomitoryBean;
import com.bean.StudentBean;
import com.dao.DomitoryDao;
import com.dao.StudentDao;
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 MyStudentList extends ActionSupport {

	//下面是Action内用于封装用户请求参数的属性
	private List<StudentBean> list;
	public List<StudentBean> getList() {
		return list;
	}
	public void setList(List<StudentBean> list) {
		this.list = list;
	}
	private String Building_ID;
	public String getBuilding_ID() {
		return Building_ID;
	}
	public void setBuilding_ID(String buildingID) {
		Building_ID = buildingID;
	}
	private List<DomitoryBean> domitorylist;
	public List<DomitoryBean> getDomitorylist() {
		return domitorylist;
	}
	public void setDomitorylist(List<DomitoryBean> domitorylist) {
		this.domitorylist = domitorylist;
	}
	
	private String SearchRow;
	private String SearchKey;
	public String getSearchRow() {
		return SearchRow;
	}
	public void setSearchRow(String searchRow) {
		SearchRow = searchRow;
	}
	public String getSearchKey() {
		return SearchKey;
	}
	public void setSearchKey(String searchKey) {
		SearchKey = searchKey;
	}
	private String Domitory_ID;
	
	public String getDomitory_ID() {
		return Domitory_ID;
	}
	public void setDomitory_ID(String domitoryID) {
		Domitory_ID = domitoryID;
	}
	//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("<script language='javascript'>alert('请重新登录！');window.location='Login.jsp';</script>");
			out.flush();out.close();return null;
		}

		//查询条件
		String strWhere="Student_State='入住' and Building_ID="+Building_ID;
		if(!(isInvalid(SearchKey)))
		{
			strWhere+=" and "+SearchRow+"='"+SearchKey+"'";
		}
		if(!(isInvalid(Domitory_ID)))
		{
			strWhere+=" and Domitory_ID='"+Domitory_ID+"'";
		}
		//查询所有
		list=new StudentDao().GetList(strWhere,"Domitory_Name");
		
		//查询所有寝室
		domitorylist=new DomitoryDao().GetList("Domitory_BuildingID="+Building_ID,"Domitory_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();
	}
	
}