package com.smartdot.pdm.business.corp.magazine.util;  
  
import java.io.BufferedOutputStream;  
import java.text.SimpleDateFormat;  
import java.util.Date;  
import java.util.List;  
  
import javax.servlet.ServletOutputStream;  
import javax.servlet.http.HttpServletResponse;  
  
import org.apache.commons.lang.StringUtils;  
  
import com.smartdot.pdm.business.corp.magazine.bean.MagazineBean;  
  
public class MagazineUtils {  
  
    // 输出TXT  
    public static void writeToTxt(HttpServletResponse response, List list) {  
  
        response.setContentType("text/plain");// 一下两行关键的设置  
        response.addHeader("Content-Disposition",  
                "attachment;filename=期刊出版社.txt");// filename指定默认的名字  
        BufferedOutputStream buff = null;  
        StringBuffer write = new StringBuffer();  
        String tab = "  ";  
        String enter = "\r\n";  
        MagazineBean magazine;  
        ServletOutputStream outSTr = null;  
        try {  
            outSTr = response.getOutputStream();// 建立  
            buff = new BufferedOutputStream(outSTr);  
            for (int i = 0; i < list.size(); i++) {  
                magazine = (MagazineBean) list.get(i);  
                write.append("期刊名称：" + tab);  
                write.append(delNull(magazine.getChineseName()) + enter);  
                write.append(enter);          
            }  
            buff.write(write.toString().getBytes("UTF-8"));  
            buff.flush();  
            buff.close();  
        } catch (Exception e) {  
            e.printStackTrace();  
        } finally {  
            try {  
                buff.close();  
                outSTr.close();  
            } catch (Exception e) {  
                e.printStackTrace();  
            }  
        }  
    }  
    public static String delNull(Date date) {  
        String returnStr="";  
        if (date!=null) {  
            SimpleDateFormat sf=new SimpleDateFormat("yyyy年MM月");  
            returnStr=sf.format(date);    
        }    
        return returnStr;  
    }  
    public static String delNull(String str) {  
        String returnStr="";  
        if (StringUtils.isNotBlank(str)) {  
            returnStr=str;        
        }    
        return returnStr;  
    }  
}  

// 输出TXT  
    public static void writeToTxt(HttpServletRequest request, List list) {  
        FileOutputStream outSTr = null;  
        BufferedOutputStream Buff = null;  
        String path = request.getSession().getServletContext().getRealPath(  
                "upordown/down/model/magazinePub.txt");  
        String tab = "  ";  
        String enter = "\r\n";  
        MagazineBean magazine;  
        StringBuffer write ;  
        try {  
            outSTr = new FileOutputStream(new File(path));  
            Buff = new BufferedOutputStream(outSTr);  
            for (int i = 0; i < list.size(); i++) {  
                magazine = (MagazineBean) list.get(i);  
                write = new StringBuffer();  
                write.append("期刊名称：" + tab);  
                write.append(delNull(magazine.getTenet()) + enter);  
                write.append(enter);      
                Buff.write(write.toString().getBytes("UTF-8"));  
            }          
            Buff.flush();  
            Buff.close();  
        } catch (Exception e) {  
            e.printStackTrace();  
        } finally {  
            try {  
                Buff.close();  
                outSTr.close();  
            } catch (Exception e) {  
                e.printStackTrace();  
            }  
        }  
    }  

    //下载
    public ActionForward downFile(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        String name=request.getParameter("filename");
        // TODO Auto-generated method stub
        try {
            String path = request.getSession().getServletContext().getRealPath(
                    "upordown/down/model/"+name);
            File file = new File(path);
            String filename = file.getName();

            // 取得文件的扩展名ext
            String ext = filename.substring(filename.lastIndexOf(".") + 1)
                    .toUpperCase();

            InputStream fis = new BufferedInputStream(new FileInputStream(path));
            byte[] buffer = new byte[fis.available()];
            fis.read(buffer);
            fis.close();

            response.reset();
            response.addHeader("Content-Disposition", "attachment;filename="
                    + new String(filename.getBytes()));
            response.addHeader("Content-Length", "" + file.length()); // 设置返回的文件类型
            OutputStream toClient = new BufferedOutputStream(response
                    .getOutputStream()); // 得到向客户端输出二进制数据的对象
            // 根据扩展名声称客户端浏览器mime类型
            if (ext.equals("xls"))
                response.setContentType("application/msexcel");
            else
                response.setContentType("application/octet-stream"); // 设置返回的文件类型
            toClient.write(buffer); // 输出数据
            toClient.flush();
            toClient.close();
        } catch (IOException ex) {
            ex.printStackTrace();
            return mapping.findForward("error");
        }
        return null;
    }

//下载txt
function  downTxt(){
window.open ('${pageContext.request.contextPath}/business/magazineAction.do?method=downFile&filename=magazinePub.txt', '文件下载', 'height=300, width=400, top='+(screen.availHeight-300)/2+', left='+(screen.availWidth-400)/2+', toolbar=no, menubar=no, scrollbars=no, resizable=no,location=no, status=no');
}


//导出txt
function exportTxt(){
    var queryForm=document.queryForm;
    var minRow=queryForm.minRow.value;
    var maxRow=queryForm.maxRow.value;
    var totalCnt="${totalCnt}";
    if(StringUtils.isBlank(totalCnt)){
        totalCnt=0;
        }
if(Validator.Validate(2)){    
          minRow=parseInt(minRow);
          maxRow=parseInt(maxRow);        
     //    if(maxRow-minRow+1>1000){
     //        alert("每次最多可以导出1000条数据");
     //        return ;
     //        }
             if(maxRow>totalCnt){
                 alert("结束记录数不能等大于总记录条数："+totalCnt);
                return ;
             }
             if(maxRow<minRow){
                     alert("结束记录数不能小于开始记录数");
                     return ;
             }
    
         req.setRequestMethod("post");
        var url="${pageContext.request.contextPath}/business/magazineAction.do?method=doExportTxt&orderColumn=${orderColumn}&orderType=${orderType}&queryCondition="+encodeURIComponent('${queryCondition}')+"&maxRow="+maxRow+"&minRow="+minRow+"&isDecorator=false";
        req.setRequestURL(url);
        req.setAsync(true);
        req.setMethodOnSuccess(displayMsg);
        req.setRequestHeader("Content-Type","text/html;charset=gbk");
        req.send(null);
    }
    
}