import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.net.URLEncoder;
import java.util.Date;
import java.util.Map;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import freemarker.template.Configuration;
import freemarker.template.Template;

public class WordUtils {
  //配置信息,代碼本身寫的還是很可讀的,就不過多注解了 
 private static Configuration configuration = null; 
 //這里注意的是利用WordUtils的類加載器動態(tài)獲得模板文件的位置 
 // private static final String templateFolder = WordUtils.class.getClassLoader().getResource("../../").getPath() + "WEB-INF/templetes/"; 
 private static final String templateFolder = "H:/我的項目/lm/lm/web/src/main/webapp/WEB-INF/templates"; 
 static { 
  configuration = new Configuration(); 
  configuration.setDefaultEncoding("utf-8"); 
  try { 
   configuration.setDirectoryForTemplateLoading(new File(templateFolder)); 
  } catch (IOException e) { 
   e.printStackTrace(); 
  } 
 } 
 
 private WordUtils() { 
  throw new AssertionError(); 
 } 
 
 public static void exportMillCertificateWord(HttpServletRequest request, HttpServletResponse response, Map map,String title,String ftlFile) throws IOException { 
  Template freemarkerTemplate = configuration.getTemplate(ftlFile); 
  File file = null; 
  InputStream fin = null; 
  ServletOutputStream out = null; 
  try { 
   // 調(diào)用工具類的createDoc方法生成Word文檔 
   file = createDoc(map,freemarkerTemplate); 
   fin = new FileInputStream(file); 
 
   response.setCharacterEncoding("utf-8"); 
   response.setContentType("application/msword"); 
   // 設(shè)置瀏覽器以下載的方式處理該文件名 
   String fileName = title+DateUtil.formatDateDetailTime(new Date()) + ".doc"; 
   response.setHeader("Content-Disposition", "attachment;filename=" 
     .concat(String.valueOf(URLEncoder.encode(fileName, "UTF-8")))); 
 
   out = response.getOutputStream(); 
   byte[] buffer = new byte[512]; // 緩沖區(qū) 
   int bytesToRead = -1; 
   // 通過循環(huán)將讀入的Word文件的內(nèi)容輸出到瀏覽器中 
   while((bytesToRead = fin.read(buffer)) != -1) { 
    out.write(buffer, 0, bytesToRead); 
   } 
  } finally { 
   if(fin != null) fin.close(); 
   if(out != null) out.close(); 
   if(file != null) file.delete(); // 刪除臨時文件 
  } 
 } 
 
 private static File createDoc(Map<?, ?> dataMap, Template template) { 
  String name = "sellPlan.doc"; 
  File f = new File(name); 
  Template t = template; 
  try { 
   // 這個地方不能使用FileWriter因為需要指定編碼類型否則生成的Word文檔會因為有無法識別的編碼而無法打開 
   Writer w = new OutputStreamWriter(new FileOutputStream(f), "utf-8"); 
   t.process(dataMap, w); 
   w.close(); 
  } catch (Exception ex) { 
   ex.printStackTrace(); 
   throw new RuntimeException(ex); 
  } 
  return f; 
 } 
}

@RequestMapping("/exportSellPlan")
 public @ResponseBody void exportSellPlan(Long id){
  Calendar calendar = Calendar.getInstance();// 取當(dāng)前日期。
  if(id!=null){
   SellPlan plan=sellService.getSellPlanInfo(id);
    //獲得數(shù)據(jù) 
   Map<String, Object> map = new HashMap<String, Object>(); 
   map.put("bYear", plan.getBusinessYear()!=null?plan.getBusinessYear():"");
   map.put("lYear", plan.getLiveYear()!=null?plan.getLiveYear():"");
   map.put("leader",plan.getLeader()!=null?plan.getLeader():""); 
   map.put("phone", plan.getPhone()!=null?plan.getPhone():"");
   map.put("curYear", calendar.get(Calendar.YEAR)+"");
   map.put("image", getImageBase(plan.getPositionImage()));
   try {
    WordUtils.exportMillCertificateWord(getRequest(),getResponse(),map,"方案","sellPlan.ftl");
   } catch (IOException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
   } 
  }
 }

//獲得圖片的base64碼
 @SuppressWarnings("deprecation")
 public String getImageBase(String src) {
  if(src==null||src==""){
   return "";
  }
  File file = new File(getRequest().getRealPath("/")+src.replace(getRequest().getContextPath(), ""));
  if(!file.exists()) {
   return "";
  }
  InputStream in = null;
  byte[] data = null; 
  try {
   in = new FileInputStream(file);
  } catch (FileNotFoundException e1) {
   e1.printStackTrace();
  }
  try { 
   data = new byte[in.available()]; 
   in.read(data); 
   in.close(); 
  } catch (IOException e) { 
   e.printStackTrace(); 
  } 
  BASE64Encoder encoder = new BASE64Encoder();
  return encoder.encode(data);
 }

 window.location.href="<%=path%>/exportSellPlan?id=" rel="external nofollow" + id;