Android通过HTTP协议实现上传文件数据
SocketHttpRequester.java
package cn.itcast.utils; import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.Socket;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.Map; import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair; public class SocketHttpRequester {
/**
* 发送xml数据
* @param path 请求地址
* @param xml xml数据
* @param encoding 编码
* @return
* @throws Exception
*/
public static byte[] postXml(String path, String xml, String encoding) throws Exception{
byte[] data = xml.getBytes(encoding);
URL url = new URL(path);
HttpURLConnection conn = (HttpURLConnection)url.openConnection();
conn.setRequestMethod("POST");
conn.setDoOutput(true);
conn.setRequestProperty("Content-Type", "text/xml; charset="+ encoding);
conn.setRequestProperty("Content-Length", String.valueOf(data.length));
conn.setConnectTimeout( * );
OutputStream outStream = conn.getOutputStream();
outStream.write(data);
outStream.flush();
outStream.close();
if(conn.getResponseCode()==){
return readStream(conn.getInputStream());
}
return null;
} /**
* 直接通过HTTP协议提交数据到服务器,实现如下面表单提交功能:
* <FORM METHOD=POST ACTION="http://192.168.0.200:8080/ssi/fileload/test.do" enctype="multipart/form-data">
<INPUT TYPE="text" NAME="name">
<INPUT TYPE="text" NAME="id">
<input type="file" name="imagefile"/>
<input type="file" name="zip"/>
</FORM>
* @param path 上传路径(注：避免使用localhost或127.0.0.1这样的路径测试，因为它会指向手机模拟器，你可以使用http://www.itcast.cn或http://192.168.1.10:8080这样的路径测试)
* @param params 请求参数 key为参数名,value为参数值
* @param file 上传文件
*/
public static boolean post(String path, Map<String, String> params, FormFile[] files) throws Exception{
final String BOUNDARY = "---------------------------7da2137580612"; //数据分隔线
final String endline = "--" + BOUNDARY + "--\r\n";//数据结束标志 int fileDataLength = ;
for(FormFile uploadFile : files){//得到文件类型数据的总长度
StringBuilder fileExplain = new StringBuilder();
fileExplain.append("--");
fileExplain.append(BOUNDARY);
fileExplain.append("\r\n");
fileExplain.append("Content-Disposition: form-data;name=\""+ uploadFile.getParameterName()+"\";filename=\""+ uploadFile.getFilname() + "\"\r\n");
fileExplain.append("Content-Type: "+ uploadFile.getContentType()+"\r\n\r\n");
fileExplain.append("\r\n");
fileDataLength += fileExplain.length();
if(uploadFile.getInStream()!=null){
fileDataLength += uploadFile.getFile().length();
}else{
fileDataLength += uploadFile.getData().length;
}
}
StringBuilder textEntity = new StringBuilder();
for (Map.Entry<String, String> entry : params.entrySet()) {//构造文本类型参数的实体数据
textEntity.append("--");
textEntity.append(BOUNDARY);
textEntity.append("\r\n");
textEntity.append("Content-Disposition: form-data; name=\""+ entry.getKey() + "\"\r\n\r\n");
textEntity.append(entry.getValue());
textEntity.append("\r\n");
}
//计算传输给服务器的实体数据总长度
int dataLength = textEntity.toString().getBytes().length + fileDataLength + endline.getBytes().length; URL url = new URL(path);
int port = url.getPort()==- ? : url.getPort();
Socket socket = new Socket(InetAddress.getByName(url.getHost()), port);
OutputStream outStream = socket.getOutputStream();
//下面完成HTTP请求头的发送
String requestmethod = "POST "+ url.getPath()+" HTTP/1.1\r\n";
outStream.write(requestmethod.getBytes());
String accept = "Accept: image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*\r\n";
outStream.write(accept.getBytes());
String language = "Accept-Language: zh-CN\r\n";
outStream.write(language.getBytes());
String contenttype = "Content-Type: multipart/form-data; boundary="+ BOUNDARY+ "\r\n";
outStream.write(contenttype.getBytes());
String contentlength = "Content-Length: "+ dataLength + "\r\n";
outStream.write(contentlength.getBytes());
String alive = "Connection: Keep-Alive\r\n";
outStream.write(alive.getBytes());
String host = "Host: "+ url.getHost() +":"+ port +"\r\n";
outStream.write(host.getBytes());
//写完HTTP请求头后根据HTTP协议再写一个回车换行
outStream.write("\r\n".getBytes());
//把所有文本类型的实体数据发送出来
outStream.write(textEntity.toString().getBytes());
//把所有文件类型的实体数据发送出来
for(FormFile uploadFile : files){
StringBuilder fileEntity = new StringBuilder();
fileEntity.append("--");
fileEntity.append(BOUNDARY);
fileEntity.append("\r\n");
fileEntity.append("Content-Disposition: form-data;name=\""+ uploadFile.getParameterName()+"\";filename=\""+ uploadFile.getFilname() + "\"\r\n");
fileEntity.append("Content-Type: "+ uploadFile.getContentType()+"\r\n\r\n");
outStream.write(fileEntity.toString().getBytes());
if(uploadFile.getInStream()!=null){
byte[] buffer = new byte[];
int len = ;
while((len = uploadFile.getInStream().read(buffer, , ))!=-){
outStream.write(buffer, , len);
}
uploadFile.getInStream().close();
}else{
outStream.write(uploadFile.getData(), , uploadFile.getData().length);
}
outStream.write("\r\n".getBytes());
}
//下面发送数据结束标志，表示数据已经结束
outStream.write(endline.getBytes()); BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
if(reader.readLine().indexOf("")==-){//读取web服务器返回的数据，判断请求码是否为200，如果不是200，代表请求失败
return false;
}
outStream.flush();
outStream.close();
reader.close();
socket.close();
return true;
} /**
* 提交数据到服务器
* @param path 上传路径(注：避免使用localhost或127.0.0.1这样的路径测试，因为它会指向手机模拟器，你可以使用http://www.itcast.cn或http://192.168.1.10:8080这样的路径测试)
* @param params 请求参数 key为参数名,value为参数值
* @param file 上传文件
*/
public static boolean post(String path, Map<String, String> params, FormFile file) throws Exception{
return post(path, params, new FormFile[]{file});
}
/**
* 提交数据到服务器
* @param path 上传路径(注：避免使用localhost或127.0.0.1这样的路径测试，因为它会指向手机模拟器，你可以使用http://www.itcast.cn或http://192.168.1.10:8080这样的路径测试)
* @param params 请求参数 key为参数名,value为参数值
* @param encode 编码
*/
public static byte[] postFromHttpClient(String path, Map<String, String> params, String encode) throws Exception{
List<NameValuePair> formparams = new ArrayList<NameValuePair>();//用于存放请求参数
for(Map.Entry<String, String> entry : params.entrySet()){
formparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
}
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formparams, encode);
HttpPost httppost = new HttpPost(path);
httppost.setEntity(entity);
HttpClient httpclient = new DefaultHttpClient();//看作是浏览器
HttpResponse response = httpclient.execute(httppost);//发送post请求
return readStream(response.getEntity().getContent());
} /**
* 发送请求
* @param path 请求路径
* @param params 请求参数 key为参数名称 value为参数值
* @param encode 请求参数的编码
*/
public static byte[] post(String path, Map<String, String> params, String encode) throws Exception{
//String params = "method=save&name="+ URLEncoder.encode("老毕", "UTF-8")+ "&age=28&";//需要发送的参数
StringBuilder parambuilder = new StringBuilder("");
if(params!=null && !params.isEmpty()){
for(Map.Entry<String, String> entry : params.entrySet()){
parambuilder.append(entry.getKey()).append("=")
.append(URLEncoder.encode(entry.getValue(), encode)).append("&");
}
parambuilder.deleteCharAt(parambuilder.length()-);
}
byte[] data = parambuilder.toString().getBytes();
URL url = new URL(path);
HttpURLConnection conn = (HttpURLConnection)url.openConnection();
conn.setDoOutput(true);//允许对外发送请求参数
conn.setUseCaches(false);//不进行缓存
conn.setConnectTimeout( * );
conn.setRequestMethod("POST");
//下面设置http请求头
conn.setRequestProperty("Accept", "image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/xaml+xml, application/vnd.ms-xpsdocument, application/x-ms-xbap, application/x-ms-application, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*");
conn.setRequestProperty("Accept-Language", "zh-CN");
conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)");
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setRequestProperty("Content-Length", String.valueOf(data.length));
conn.setRequestProperty("Connection", "Keep-Alive"); //发送参数
DataOutputStream outStream = new DataOutputStream(conn.getOutputStream());
outStream.write(data);//把参数发送出去
outStream.flush();
outStream.close();
if(conn.getResponseCode()==){
return readStream(conn.getInputStream());
}
return null;
} /**
* 读取流
* @param inStream
* @return 字节数组
* @throws Exception
*/
public static byte[] readStream(InputStream inStream) throws Exception{
ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
byte[] buffer = new byte[];
int len = -;
while( (len=inStream.read(buffer)) != -){
outSteam.write(buffer, , len);
}
outSteam.close();
inStream.close();
return outSteam.toByteArray();
}
}
FormFile.java
package cn.itcast.utils; import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream; /**
* 上传文件
*/
public class FormFile {
/* 上传文件的数据 */
private byte[] data;
private InputStream inStream;
private File file;
/* 文件名称 */
private String filname;
/* 请求参数名称*/
private String parameterName;
/* 内容类型 */
private String contentType = "application/octet-stream"; public FormFile(String filname, byte[] data, String parameterName, String contentType) {
this.data = data;
this.filname = filname;
this.parameterName = parameterName;
if(contentType!=null) this.contentType = contentType;
} public FormFile(String filname, File file, String parameterName, String contentType) {
this.filname = filname;
this.parameterName = parameterName;
this.file = file;
try {
this.inStream = new FileInputStream(file);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
if(contentType!=null) this.contentType = contentType;
} public File getFile() {
return file;
} public InputStream getInStream() {
return inStream;
} public byte[] getData() {
return data;
} public String getFilname() {
return filname;
} public void setFilname(String filname) {
this.filname = filname;
} public String getParameterName() {
return parameterName;
} public void setParameterName(String parameterName) {
this.parameterName = parameterName;
} public String getContentType() {
return contentType;
} public void setContentType(String contentType) {
this.contentType = contentType;
} }
StreamTool.java
package cn.itcast.utils; import java.io.ByteArrayOutputStream;
import java.io.InputStream; public class StreamTool { /**
* 从输入流读取数据
* @param inStream
* @return
* @throws Exception
*/
public static byte[] readInputStream(InputStream inStream) throws Exception{
ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
byte[] buffer = new byte[];
int len = ;
while( (len = inStream.read(buffer)) !=- ){
outSteam.write(buffer, , len);
}
outSteam.close();
inStream.close();
return outSteam.toByteArray();
}
}
MainActivity.java
package cn.itcast.uploaddata; import java.io.File;
import java.util.HashMap;
import java.util.Map; import cn.itcast.net.HttpRequest;
import cn.itcast.utils.FormFile;
import cn.itcast.utils.SocketHttpRequester;
import android.app.Activity;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast; public class MainActivity extends Activity {
private static final String TAG = "MainActivity";
private EditText timelengthText;
private EditText titleText;
private EditText videoText; @Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main); Button button = (Button) this.findViewById(R.id.button);
timelengthText = (EditText) this.findViewById(R.id.timelength);
videoText = (EditText) this.findViewById(R.id.video);
titleText = (EditText) this.findViewById(R.id.title);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String title = titleText.getText().toString();
String timelength = timelengthText.getText().toString();
Map<String, String> params = new HashMap<String, String>();
params.put("method", "save");
params.put("title", title);
params.put("timelength", timelength);
try {
// HttpRequest.sendGetRequest("http://192.168.1.100:8080/videoweb/video/manage.do", params, "UTF-8");
File uploadFile = new File(Environment.getExternalStorageDirectory(), videoText.getText().toString());
FormFile formfile = new FormFile("02.mp3", uploadFile, "video", "audio/mpeg");
SocketHttpRequester.post("http://192.168.1.100:8080/videoweb/video/manage.do", params, formfile);
Toast.makeText(MainActivity.this, R.string.success, ).show();
} catch (Exception e) {
Toast.makeText(MainActivity.this, R.string.error, ).show();
Log.e(TAG, e.toString());
}
}
}); }
}
Android通过HTTP协议实现上传文件数据的更多相关文章
- 2、网络并发编程--套接字编程、黏包问题、struct模块、制作简易报头、上传文件数据
昨日内容回顾 面向对象复习(json序列化类) 对象.类.父类的概念 三大特性:封装 继承 多态 双下开头的方法(达到某个条件自动触发) __init__:对象实例化自动触发 __str__:对象执行 ...
- Android应用开发中webview上传文件的几种思路
1. 常规方法,重写WebChromeClient 的 openFileChooser 方法 private class MyWebChromeClient extends WebChromeClie ...
- java 26 - 9 网络编程之 TCP协议多用户上传文件
TCP实现多用户上传文件: 需要同时给多用户上传文件,这样就得用多线程来实现. 实际上,这样的话,上传的先后顺序和速度就跟客户端的带宽有关:带宽够,就容易抢占到线程的执行权: 首先,创建个线程类:(这 ...
- 使用Http协议Post上传文件
转载:http://www.cnblogs.com/softidea/p/5745369.html 转载:https://blog.csdn.net/huanongying131/article/de ...
- 转 Android网络编程之使用HttpClient批量上传文件 MultipartEntityBuilder
请尊重他人的劳动成果,转载请注明出处:Android网络编程之使用HttpClient批量上传文件 http://www.tuicool.com/articles/Y7reYb 我曾在<Andr ...
- HttpClient MultipartEntityBuilder 上传文件
文章转载自: http://blog.csdn.net/yan8024/article/details/46531901 http://www.51testing.com/html/56/n-3707 ...
- 上传文件服务与web服务分离
业务场景:1. 后端服务为java web应用,使用tomcat容器,多实例集群化部署.2. 前端使用nginx作为后端应用的反向代理. 业务需求:现在需要在java web应用端上传文件,同时还要能 ...
- java http 上传文件夹
用JAVA实现大文件上传及显示进度信息 ---解析HTTP MultiPart协议 (本文提供全部源码下载,请访问 https://github.com/1269085759/up6-jsp-mysq ...
- Java+web+上传文件夹
用JAVA实现大文件上传及显示进度信息 ---解析HTTP MultiPart协议 (本文提供全部源码下载,请访问 https://github.com/1269085759/up6-jsp-mysq ...
随机推荐
- 在Fragment中实现百度地图，定位到当前位置（基于SDKv2.1.0）
使用最新版本的百度地图需要注意的几个地方: 1.libs文件夹下要有android-support-v4.jar.baidumapapi_v2_1_0.jar.locSDK_3.1.jar三个jar包 ...
- acdream1412：2-3 trees 组合数dp
题意: 给出一个标准2-3树的叶子节点(最底层节点)个数 L,求2-3数的形成方案数并取余 分析: 如果有L个叶子枚举 每个 可以使x*2+y*3=L 的 x y 那么在最底层就有 c(x+y,x) ...
- 为什么新建的管理员账号权限没有Administrator大？
Administrator是超级管理员,UAC不用确认,跟关了一样. 新建隶属于administrator组的用户,可以关掉UAC. 控制面板>系统和安全>操作中心>更改用户帐户控制 ...
- HDU 4444 Walk (离散化建图+BFS+记忆化搜索) 绝对经典
题目地址:http://acm.hdu.edu.cn/showproblem.php?pid=4444 题意:给你一些n个矩形,给你一个起点,一个终点,要你求从起点到终点最少需要转多少个弯 题解:因为 ...
- hdu 5396 Expression(区间dp)
Problem Description Teacher Mai has n numbers a1,a2,⋯,anand n−1 operators("+", "-&quo ...
- AVR32开发环境搭建
下面是搭建AVR32开发环境的过程记录: 1.AVR32的编译环境下载 (到这里下载 as5installer-stable-5.1.208-full.exe) 如果你在安装的过程中碰到如下问题: ...
- 你必须掌握的Java基础：JSON解析工具-json-lib
一.简介 json-lib是一个Java类库,提供将Java对象,包括beans,maps,collections,java arrays和xml等转换成JSON,或者反向转换的功能. 二.准备 在 ...
- [Redux] Extracting Container Components (FilterLink)
Learn how to avoid the boilerplate of passing the props down the intermediate components by introduc ...
- 利用JS实现简单的瀑布流效果
哈哈, 我又来啦, 在这一段时间里, 我简单的学习了一下javascript(JS), 虽然不是很懂啦, 但是我也简单的尝试着做了点小东西, 就比如现在流行的瀑布流效果, 经过我的努力终于成功的完成了 ...
- 打开Eclipse出现 parsesdkcontent failed 的解决办法
出现这个问题是由于系统曾安装过SDK和AVD,所以需要删除.android和相应的workspace文件夹,然后进入我的电脑->高级系统设置->环境变量,在系统变量里,更新ANDROID_ ...