HTTP接受⽂件的java实现 1package TOOLS;
2
3import java.io.BufferedOutputStream;
4import java.io.File;
5import java.io.FileOutputStream;
6import java.io.IOException;
7import java.io.InputStream;
8import java.io.OutputStream;
9import java.util.HashMap;
10import java.util.Map;
11
12import javax.servlet.http.HttpServletRequest;
13import javax.servlet.http.HttpServletResponse;
14import org.apachemons.fileupload.FileItemIterator;
15import org.apachemons.fileupload.FileItemStream;
16import org.apachemons.fileupload.FileUploadException;
17import org.apachemons.fileupload.servlet.ServletFileUpload;
18import org.apachemons.fileupload.util.Streams;
19
20public class HTTPPostAcceptPhoto {
21
22    Map<String,String> result = new HashMap<String,String>();
23
24public Map<String,String> analyze(HttpServletRequest request,
25            HttpServletResponse response,String imageurl) {
26if (ServletFileUpload.isMultipartContent(request)) {// 判断是否含有⽂件
27            insertPIC(request,imageurl);
28        } else {
29            txthandle(request, response);
30        }
31return result;
32    }
33//写出图⽚
34private void insertPIC(HttpServletRequest request,String url) {
35
36        ServletFileUpload upload = new ServletFileUpload();
37        FileItemIterator iter;
38try {
39            iter = ItemIterator(request);
40while (iter.hasNext()) {
41                FileItemStream item = ();
42                String name = FieldName();// filename
43                InputStream stream = item.openStream();
44                System.out.println("⽂本" + item.isFormField());
45if (item.isFormField()) {// 如果是⽂本
46                    txt(result,name, Streams.asString(stream,"utf-8"));
47                } else {
48                    String dir = Session().getServletContext()
49                            .getRealPath(url);
50                    OutputStream fileos = null;
51byte[] buff = new byte[1];
52                    File image =new File(dir, Name());
53                    System.out.println(" Name():"+ Name());
54                    fileos = new BufferedOutputStream(new FileOutputStream(
55                            image));
56
57while ((ad(buff)) != -1) {
58                        fileos.write(buff);
59                    }
60                    fileos.flush();
61                    fileos.close();
62                    result.put("imagename", Name());//返回图⽚名字
63                }
64            }
65        } catch (FileUploadException e) {
66// TODO Auto-generated catch block
67            System.out.println(e);
68        } catch (IOException e) {
69// TODO Auto-generated catch block
70            System.out.println(e);
71        }
72    }
73//有⽂本时的操作
74private void txt(Map<String,String> result,String name, String asString){
75        result.put(name, asString);
76    }
77//纯⽂本操作
78public void txthandle(HttpServletRequest request,
79            HttpServletResponse response){
80        result = ParameterMap();
81    } 82
83 }
java stream

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