HttpClient HttpPostによるファイルアップロード
4169 ワード
import java.io.File;
import java.io.IOException;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
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;
import org.apache.http.util.EntityUtils;
public class HttpClientPostMethod {
public static void main(String[] args) throws ClientProtocolException, IOException {
post();
}
public static void post() throws ClientProtocolException, IOException {
HttpClient httpclient = new DefaultHttpClient();
HttpPost post = new HttpPost("http://localhost:8080/action.jsp");
FileBody fileBody = new FileBody(new File("/home/sendpix0.jpg"));
StringBody stringBody = new StringBody(" ");
MultipartEntity entity = new MultipartEntity();
entity.addPart("file", fileBody);
entity.addPart("desc", stringBody);
post.setEntity(entity);
HttpResponse response = httpclient.execute(post);
if(HttpStatus.SC_OK==response.getStatusLine().getStatusCode()){
HttpEntity entitys = response.getEntity();
if (entity != null) {
System.out.println(entity.getContentLength());
System.out.println(EntityUtils.toString(entitys));
}
}
httpclient.getConnectionManager().shutdown();
}
}jspファイル:
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ page import="org.apache.commons.fileupload.servlet.ServletFileUpload,
org.apache.commons.fileupload.disk.DiskFileItemFactory,
java.io.*,
java.util.*,
org.apache.commons.fileupload.FileItem,
org.opencms.extension.upload.*,
org.opencms.extension.upload.db.*,
org.opencms.jsp.*" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>upload.jsp</title>
</head>
<body>
<%
if (ServletFileUpload.isMultipartContent(request)) {
DiskFileItemFactory factory = new DiskFileItemFactory();
// ， ， ， 10
factory.setSizeThreshold(10485760);
File temp = new File("/temp");
if(!temp.exists()){
temp.mkdirs();
}
//
factory.setRepository(temp);
ServletFileUpload upload = new ServletFileUpload(factory);
// ，-1
upload.setFileSizeMax(-1);
// ，-1
upload.setSizeMax(-1);
List<FileItem> items = upload.parseRequest(request);
Iterator<FileItem> iterator = items.iterator();
FileItem upload_item = null;
String desc = "";
while (iterator.hasNext()) {
FileItem item = iterator.next();
if(item.isFormField()){
//
//out.print(item.getFieldName());// name
//out.print(item.getString("UTF-8"));//
desc = item.getString("UTF-8");
}else{
//
//out.print("--------------");
//out.print(item.getFieldName());
//out.println(item.getContentType());// 《application/pdf》
//out.println(item.getName());// 《 .pdf》
upload_item = item;
}
}
}
%>