importjava.io.File;
importjava.io.FileInputStream;
importjava.io.FileNotFoundException;
importjava.io.InputStream;
/**
* 上传的文件
*/
publicclassFormFile {
/** 上传文件的数据 */
privatebyte[] data;
privateInputStream inStream;
privateFile file;
/** 文件名称 */
privateString filname;
/** 请求参数名称*/
privateString parameterName;
/** 内容类型 */
privateString contentType = "application/octet-stream";
/**
*
* @param filname 文件名称
* @param data 上传的文件数据
* @param parameterName 参数
* @param contentType 内容类型
*/
publicFormFile(String filname, byte[] data, String parameterName, String contentType) {
this.data = data;
this.filname = filname;
this.parameterName = parameterName;
if(contentType!=null)this.contentType = contentType;
}
/**
*
* @param filname 文件名
* @param file 上传的文件
* @param parameterName 参数
* @param contentType 内容内容类型
*/
publicFormFile(String filname, File file, String parameterName, String contentType) {
this.filname = filname;
this.parameterName = parameterName;
this.file = file;
try{
this.inStream = newFileInputStream(file);
}catch(FileNotFoundException e) {
e.printStackTrace();
}
if(contentType!=null)this.contentType = contentType;
}
publicFile getFile() {
returnfile;
}
publicInputStream getInStream() {
returninStream;
}
publicbyte[] getData() {
returndata;
}
publicString getFilname() {
returnfilname;
}
publicvoidsetFilname(String filname) {
this.filname = filname;
}
publicString getParameterName() {
returnparameterName;
}
publicvoidsetParameterName(String parameterName) {
this.parameterName = parameterName;
}
publicString getContentType() {
returncontentType;
}
publicvoidsetContentType(String contentType) {
this.contentType = contentType;
}
}
/**
* 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.xxx.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
*/
publicstaticboolean post(String path, Map<String, String> params, FormFile[] files) throwsException{
finalString BOUNDARY = "---------------------------7da2137580612";//数据分隔线
finalString endline = "--"+ BOUNDARY + "--\r\n";//数据结束标志
intfileDataLength = 0;
for(FormFile uploadFile : files){//得到文件类型数据的总长度
StringBuilder fileExplain = newStringBuilder();
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 = newStringBuilder();
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
intdataLength = textEntity.toString().getBytes().length + fileDataLength + endline.getBytes().length;
URL url = newURL(path);
intport = url.getPort()==-1?80: url.getPort();
Socket socket = newSocket(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 = newStringBuilder();
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 = newbyte[1024];
intlen = 0;
while((len = uploadFile.getInStream().read(buffer, 0,1024))!=-1){
outStream.write(buffer,0, len);
}
uploadFile.getInStream().close();
}else{
outStream.write(uploadFile.getData(),0, 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 = newBufferedReader(newInputStreamReader(socket.getInputStream()));
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
returnfalse;
}
outStream.flush();
outStream.close();
reader.close();
socket.close();
returntrue;
}
/**
* 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.xxx.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
*/
publicstaticboolean post(String path, Map<String, String> params, FormFile file) throwsException{
returnpost(path, params, newFormFile[]{file});
}
