package com.bysj.action;
 
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.UUID;
import org.apache.struts2.ServletActionContext;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;
import java.util.List;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import com.bysj.utils.ExportExcelUtil;
import com.bysj.dao.BoTDAO;
import com.bysj.domain.BoT;
@Controller @Scope("prototype")
public class BoTAction extends ActionSupport {

    /*当前第几页*/
    private int currentPage;
    public void setCurrentPage(int currentPage) {
        this.currentPage = currentPage;
    }
    public int getCurrentPage() {
        return currentPage;
    }
    /*一共多少页*/
    private int totalPage;
    public void setTotalPage(int totalPage) {
        this.totalPage = totalPage;
    }
    public int getTotalPage() {
        return totalPage;
    }
    /*主键*/
    private int bookTypeId;
    public void setBookTypeId(int bookTypeId) {
        this.bookTypeId = bookTypeId;
    }

    public int getBookTypeId() {
        return bookTypeId;
    }
    /*当前查询的总记录数目*/
    private int recordNumber;
    public void setRecordNumber(int recordNumber) {
        this.recordNumber = recordNumber;
    }
    public int getRecordNumber() {
        return recordNumber;
    }

    /*业务层对象*/
    @Resource BoTDAO boTDAO;


    /*待操作的BoT对象*/
    private BoT boT;
    public void setBoT(BoT boT) {
        this.boT = boT;
    }
    public BoT getBoT() {
        return this.boT;
    }
    /*跳转到添加图书类型视图*/
    public String AddView() {
        ActionContext ctx = ActionContext.getContext();
        return "add_view";
    }
  /*添加图书类型信息*/
  @SuppressWarnings("deprecation")
  public String AddBoT() {
      ActionContext ctx = ActionContext.getContext();
      try {
          boTDAO.AddBoT(boT);
          ctx.put("message",  java.net.URLEncoder.encode("BoT添加成功!"));
          return "add_success";
      } catch (Exception e) {
          e.printStackTrace();
          ctx.put("error",  java.net.URLEncoder.encode("BoT添加失败!"));
          return "error";
      }
  }
    /*查询图书类型*/
    public String QueryBoT() {
        if(currentPage == 0) currentPage = 1;
        List<BoT> boTList = boTDAO.QueryBoTInfo( currentPage);
        /*计算总的页数和总的记录数*/
        boTDAO.CalculateTotalPageAndRecordNumber();
        /*获取到总的页码数目*/ 
        totalPage = boTDAO.getTotalPage();
        /*当前查询条件下总记录数*/
        recordNumber = boTDAO.getRecordNumber();
        ActionContext ctx = ActionContext.getContext();
        ctx.put("boTList",  boTList);
        ctx.put("totalPage", totalPage);
        ctx.put("recordNumber", recordNumber);
        ctx.put("currentPage", currentPage);
        return "query_view";
    }

    /*后台导出到excel*/
    public String QueryBoTOutputToExcel() {
        List<BoT> boTList = boTDAO.QueryBoTInfo( currentPage);
        ExportExcelUtil ex = new ExportExcelUtil();
        String title = "BoT信息记录";
        String[] headers = {"图书类别","类别名称","可借阅天数"};
        List<String[]> dataset = new ArrayList<String[]>();
        for(int i=0;i<boTList.size();i++) {
        	BoT boT = boTList.get(i);
        	dataset.add(new String[]{boT.getBookTypeId() + "",boT.getBookTypeName(),boT.getDays() + ""});
        }
        /*
        OutputStream out = null;
		try {
			out = new FileOutputStream("C://output.xls");
			ex.exportExcel(title,headers, dataset, out);
		    out.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
		*/
		HttpServletResponse response = null;//创建一个HttpServletResponse对象
		OutputStream out = null;//创建一个输出流对象
		try {
			response = ServletActionContext.getResponse();//初始化HttpServletResponse对象
			out = response.getOutputStream();//
			response.setHeader("Content-disposition","attachment; filename="+"BoT.xls");//filename是下载的xls的名，建议最好用英文
			response.setContentType("application/msexcel;charset=UTF-8");//设置类型
			response.setHeader("Pragma","No-cache");//设置头
			response.setHeader("Cache-Control","no-cache");//设置头
			response.setDateHeader("Expires", 0);//设置日期头
			String rootPath = ServletActionContext.getServletContext().getRealPath("/");
			ex.exportExcel(rootPath,title,headers, dataset, out);
			out.flush();
		} catch (IOException e) {
			e.printStackTrace();
		}finally{
			try{
				if(out!=null){
					out.close();
				}
			}catch(IOException e){
				e.printStackTrace();
			}
		}
		return null;
    }

    /*前台查询图书类型*/
    public String FrontQueryBoT() {
        if(currentPage == 0) currentPage = 1;
        List<BoT> boTList = boTDAO.QueryBoTInfo( currentPage);
        /*计算总的页数和总的记录数*/
        boTDAO.CalculateTotalPageAndRecordNumber();
        /*获取到总的页码数目*/ 
        totalPage = boTDAO.getTotalPage();
        /*当前查询条件下总记录数*/
        recordNumber = boTDAO.getRecordNumber();
        ActionContext ctx = ActionContext.getContext();
        ctx.put("boTList",  boTList);
        ctx.put("totalPage", totalPage);
        ctx.put("recordNumber", recordNumber);
        ctx.put("currentPage", currentPage);
        return "front_query_view";
    }

    /*查询要修改的BoT信息*/
    public String ModifyBoTQuery() {
        ActionContext ctx = ActionContext.getContext();
        /*根据主键bookTypeId获取BoT对象*/
        BoT boT = boTDAO.GetBoTByBookTypeId(bookTypeId);
        
        ctx.put("boT",  boT);
        return "modify_view";
    }

    /*查询要修改的BoT信息*/
    public String FrontShowBoTQuery() {
        ActionContext ctx = ActionContext.getContext();
        /*根据主键bookTypeId获取BoT对象*/
        BoT boT = boTDAO.GetBoTByBookTypeId(bookTypeId);
        
        ctx.put("boT",  boT);
        return "front_show_view";
    }


    /*更新修改图书类型信息*/
    public String ModifyBoT() {
      ActionContext ctx = ActionContext.getContext();
      try {
            boTDAO.UpdateBoT(boT);
            ctx.put("message",  java.net.URLEncoder.encode("BoT信息更新成功!"));
            return "modify_success";
        } catch (Exception e) {
             e.printStackTrace();
            ctx.put("error",  java.net.URLEncoder.encode("BoT信息更新失败!"));
            return "error";
       }
    }

    /*删除图书类型信息*/
    public String DeleteBoT() {
        ActionContext ctx = ActionContext.getContext();
        try { 
            boTDAO.DeleteBoT(bookTypeId);
            ctx.put("message",  java.net.URLEncoder.encode("BoT删除成功!"));
            return "delete_success";
        } catch (Exception e) { 
            e.printStackTrace();
            ctx.put("error",  java.net.URLEncoder.encode("BoT删除失败!"));
            return "error";
        }
    }
}