關于httpClient上傳文件

最近要做客戶端上傳圖片和參數,服務器整合了SSH . 廢話不多說,上代碼

客戶端:

import java.io.File;
import java.io.InputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.CookieStore;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.cookie.Cookie;
import org.apache.http.entity.mime.MultipartEntity;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.entity.mime.content.StringBody;
import org.apache.http.impl.client.DefaultHttpClient;

public class Test(){

        //photoFileName
    public void upload() throws Exception{

        String url = "http://localhost:8080/scan/mperson_upLoadImage.action";

        HashMap<String, Object>params =new HashMap<String, Object>();

        params.put("id", 3);



        String imagepath = "C:/Users/zsq/Desktop/abc.png";

          MultipartEntity mpEntity = new MultipartEntity(); 

            if (params != null && !params.isEmpty()) { 

                for (Map.Entry<String, Object> entry : params.entrySet()) { 


                     //參數名
                    StringBody par = new StringBody(entry.getValue().toString()); 

                    mpEntity.addPart(entry.getKey(), par); 

                } 

            } 

            // 圖片 

            if (!imagepath.equals("")) { 

                FileBody file = new FileBody(new File(imagepath)); 

                mpEntity.addPart("photo", file); 

            } 

            // 使用HttpPost對象設置發送的URL路徑 

            HttpPost post = new HttpPost(url); 
            post.setHeader("Cookie", "JSESSIONID=" + JSESSIONID);
            // 發送請求體 

            post.setEntity(mpEntity); 

            // 創建一個瀏覽器對象，以把POST對象向服務器發送，并返回響應消息 

            DefaultHttpClient client = new DefaultHttpClient(); 

            HttpResponse response = client.execute(post);


            if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
                // 封裝了服務器端返回的數據
                HttpEntity responseEntity = response.getEntity();
                // 將服務器返回的輸入流 解析為 字符串
                // EntityUtils.toString(responseEntity)

                //對服務器返回的session進行記錄
                  CookieStore mCookieStore = ((DefaultHttpClient) client).getCookieStore();

                  List<Cookie> cookies = mCookieStore.getCookies();

                  for (int i = 0; i < cookies.size(); i++) {
                      //如果cookies頭和"JSESSIONID" 就記錄sessionID
                      if("JSESSIONID".equals(cookies.get(i).getName())){
                          JSESSIONID = cookies.get(i).getValue();
                          break;
                      }

                }
                InputStream is =  responseEntity.getContent();

            String result = StreamUtils.read(is);
            System.out.println("上傳的結果是 : "+ result);

            }


    }


}

public  void  upLoadImage () throws Exception{

        System.out.println("有到upLoadImage這里來?");
        String realPath = ServletActionContext.getServletContext().getRealPath("/WEB-INF/person_photo");
        System.out.println(realPath);
        System.out.println("uploadFileName : "+photoFileName);
        UUID uuid = UUID.randomUUID();

        int id = model.getId();
        System.out.println("得到的ID: "+model.getId());
        //System.out.println("photoContentType"+v);

        String fileLastName = photoFileName.substring(photoFileName.lastIndexOf("."));

        //存放的是UUID的名字
        String uuidName = uuid.toString()+fileLastName;
        PrintWriter writer = getWriter();
        if(photo!=null){
            File saveFile = new File(new File(realPath),uuidName);
            FileUtils.copyFile(photo, saveFile);
            writer.print("{scuess:true}");
        }else{

            writer.print("{scuess:false,error:'photo_null'}");
        }




    }