Android使用http协议实现文件的上传

转自：http://www.open-open.com/lib/view/open1325603007296.html

http协议上传文件一般最大是2M，比较适合上传小于两M的文件

import java.io.File; 002import java.io.FileInputStream; 003import java.io.FileNotFoundException; 004import java.io.InputStream; 005 006/**007* 上传的文件008*/ 009public class FormFile { 010/** 上传文件的数据 */ 011private byte[] data; 012private InputStream inStream; 013private File file; 014/** 文件名称 */ 015private String filname; 016/** 请求参数名称*/ 017private String parameterName; 018/** 内容类型 */ 019private String contentType = "application/octet-stream"; 020/**021 * 022 * @param filname 文件名称023 * @param data 上传的文件数据024 * @param parameterName 参数025 * @param contentType 内容类型026 */ 027public FormFile(String filname, byte[] data, String parameterName, String contentType) { 028    this.data = data; 029    this.filname = filname; 030    this.parameterName = parameterName; 031    if(contentType!=null) this.contentType = contentType; 032} 033/**034 * 035 * @param filname 文件名036 * @param file 上传的文件037 * @param parameterName 参数038 * @param contentType 内容内容类型039 */ 040public FormFile(String filname, File file, String parameterName, String contentType) { 041    this.filname = filname; 042    this.parameterName = parameterName; 043    this.file = file; 044    try { 045    this.inStream = new FileInputStream(file); 046    } catch (FileNotFoundException e) { 047    e.printStackTrace(); 048    } 049    if(contentType!=null) this.contentType = contentType; 050} 051   052public File getFile() { 053    return file; 054} 055 056public InputStream getInStream() { 057    return inStream; 058} 059 060public byte[] getData() { 061    return data; 062} 063 064public String getFilname() { 065    return filname; 066} 067 068public void setFilname(String filname) { 069    this.filname = filname; 070} 071 072public String getParameterName() { 073    return parameterName; 074} 075 076public void setParameterName(String parameterName) { 077    this.parameterName = parameterName; 078} 079 080public String getContentType() { 081    return contentType; 082} 083 084public void setContentType(String contentType) { 085    this.contentType = contentType; 086} 087   088} 089 090/**091 * 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:092 *   <FORM METHOD=POST ACTION="http://192.168.0.200:8080/ssi/fileload/test.do" enctype="multipart/form-data">093    <INPUT TYPE="text" NAME="name">094    <INPUT TYPE="text" NAME="id">095    <input type="file" name="imagefile"/>096    <input type="file" name="zip"/>097     </FORM>098 * @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.xxx.cn或http://192.168.1.10:8080这样的路径测试)099 * @param params 请求参数 key为参数名,value为参数值100 * @param file 上传文件101 */ 102public static boolean post(String path, Map<String, String> params, FormFile[] files) throws Exception{      103    final String BOUNDARY = "---------------------------7da2137580612"; //数据分隔线  104    final String endline = "--" + BOUNDARY + "--\r\n";//数据结束标志  105       106    int fileDataLength = 0; 107    for(FormFile uploadFile : files){//得到文件类型数据的总长度  108    StringBuilder fileExplain = new StringBuilder(); 109    fileExplain.append("--"); 110    fileExplain.append(BOUNDARY); 111    fileExplain.append("\r\n"); 112    fileExplain.append("Content-Disposition: form-data;name=\""+ uploadFile.getParameterName()+"\";filename=\""+ uploadFile.getFilname() + "\"\r\n"); 113    fileExplain.append("Content-Type: "+ uploadFile.getContentType()+"\r\n\r\n"); 114    fileExplain.append("\r\n"); 115    fileDataLength += fileExplain.length(); 116    if(uploadFile.getInStream()!=null){ 117        fileDataLength += uploadFile.getFile().length(); 118    }else{ 119        fileDataLength += uploadFile.getData().length; 120    } 121    } 122    StringBuilder textEntity = new StringBuilder(); 123    for (Map.Entry<String, String> entry : params.entrySet()) {//构造文本类型参数的实体数据  124    textEntity.append("--"); 125    textEntity.append(BOUNDARY); 126    textEntity.append("\r\n"); 127    textEntity.append("Content-Disposition: form-data; name=\""+ entry.getKey() + "\"\r\n\r\n"); 128    textEntity.append(entry.getValue()); 129    textEntity.append("\r\n"); 130    } 131    //计算传输给服务器的实体数据总长度  132    int dataLength = textEntity.toString().getBytes().length + fileDataLength +  endline.getBytes().length; 133       134    URL url = new URL(path); 135    int port = url.getPort()==-1 ? 80 : url.getPort(); 136    Socket socket = new Socket(InetAddress.getByName(url.getHost()), port);         137    OutputStream outStream = socket.getOutputStream(); 138    //下面完成HTTP请求头的发送  139    String requestmethod = "POST "+ url.getPath()+" HTTP/1.1\r\n"; 140    outStream.write(requestmethod.getBytes()); 141    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"; 142    outStream.write(accept.getBytes()); 143    String language = "Accept-Language: zh-CN\r\n"; 144    outStream.write(language.getBytes()); 145    String contenttype = "Content-Type: multipart/form-data; boundary="+ BOUNDARY+ "\r\n"; 146    outStream.write(contenttype.getBytes()); 147    String contentlength = "Content-Length: "+ dataLength + "\r\n"; 148    outStream.write(contentlength.getBytes()); 149    String alive = "Connection: Keep-Alive\r\n"; 150    outStream.write(alive.getBytes()); 151    String host = "Host: "+ url.getHost() +":"+ port +"\r\n"; 152    outStream.write(host.getBytes()); 153    //写完HTTP请求头后根据HTTP协议再写一个回车换行  154    outStream.write("\r\n".getBytes()); 155    //把所有文本类型的实体数据发送出来  156    outStream.write(textEntity.toString().getBytes());          157    //把所有文件类型的实体数据发送出来  158    for(FormFile uploadFile : files){ 159    StringBuilder fileEntity = new StringBuilder(); 160    fileEntity.append("--"); 161    fileEntity.append(BOUNDARY); 162    fileEntity.append("\r\n"); 163    fileEntity.append("Content-Disposition: form-data;name=\""+ uploadFile.getParameterName()+"\";filename=\""+ uploadFile.getFilname() + "\"\r\n"); 164    fileEntity.append("Content-Type: "+ uploadFile.getContentType()+"\r\n\r\n"); 165    outStream.write(fileEntity.toString().getBytes()); 166    if(uploadFile.getInStream()!=null){ 167        byte[] buffer = new byte[1024]; 168        int len = 0; 169        while((len = uploadFile.getInStream().read(buffer, 0, 1024))!=-1){ 170        outStream.write(buffer, 0, len); 171        } 172        uploadFile.getInStream().close(); 173    }else{ 174        outStream.write(uploadFile.getData(), 0, uploadFile.getData().length); 175    } 176    outStream.write("\r\n".getBytes()); 177    } 178    //下面发送数据结束标志，表示数据已经结束  179    outStream.write(endline.getBytes()); 180       181    BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream())); 182    if(reader.readLine().indexOf("200")==-1){//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  183    return false; 184    } 185    outStream.flush(); 186    outStream.close(); 187    reader.close(); 188    socket.close(); 189    return true; 190} 191   192/** 193 * 提交数据到服务器 194 * @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.xxx.cn或http://192.168.1.10:8080这样的路径测试)  195 * @param params 请求参数 key为参数名,value为参数值 196 * @param file 上传文件 197 */ 198public static boolean post(String path, Map<String, String> params, FormFile file) throws Exception{ 199   return post(path, params, new FormFile[]{file}); 200}