iOS ASIFormDataRequest上传图片 前后台代码

NSString *urls = NSLocalizedString(@"Service_url_upload_do_json", @"");
NSURL *url = [[NSURL alloc] initWithString: urls];
ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:url];
[request setDelegate :self];
NSString *res = @"http://f.hiphotos.baidu.com/image/pic/item/58ee3d6d55fbb2fb9ecd3a1b4d4a20a44723dcd1.jpg";
NSData *imageData = [[NSData alloc] initWithContentsOfURL:[[NSURL alloc] initWithString:res]];
[request setRequestMethod:@"POST"];

//分界线的标识符
NSString *TWITTERFON_FORM_BOUNDARY = @"AaB03x";
//分界线 --AaB03x
NSString *MPboundary=[[NSString alloc]initWithFormat:@"--%@",TWITTERFON_FORM_BOUNDARY];
//结束符 AaB03x--
NSString *endMPboundary=[[NSString alloc]initWithFormat:@"%@--",MPboundary];
//http body的字符串
NSMutableString *body=[[NSMutableString alloc]init];
//参数的集合的所有key的集合
NSString *key=@"smx";
//添加分界线，换行
[body appendFormat:@"%@\r\n",MPboundary];
//添加字段名称，换2行
[body appendFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",key];
//添加字段的值
[body appendFormat:@"%@\r\n",@"测试"];

////添加分界线，换行
[body appendFormat:@"%@\r\n",MPboundary];
//声明pic字段，文件名为boris.png
[body appendFormat:@"Content-Disposition: form-data; name=\"pic\"; filename=\"test.jpg\"\r\n"];
//声明上传文件的格式
[body appendFormat:@"Content-Type: image/png\r\n\r\n"];

//声明结束符：--AaB03x--
NSString *end=[[NSString alloc]initWithFormat:@"\r\n%@",endMPboundary];
//声明myRequestData，用来放入http body
NSMutableData *myRequestData=[NSMutableData data];
//将body字符串转化为UTF8格式的二进制
[myRequestData appendData:[body dataUsingEncoding:NSUTF8StringEncoding]];
//将image的data加入
[myRequestData appendData:imageData];
//加入结束符--AaB03x--
[myRequestData appendData:[end dataUsingEncoding:NSUTF8StringEncoding]];

//设置HTTPHeader中Content-Type的值
NSString *content=[[NSString alloc]initWithFormat:@"Multipart/form-data; boundary=%@",TWITTERFON_FORM_BOUNDARY];

[request addRequestHeader:@"Content-Type" value:content];
//设置http body
[request setPostBody:myRequestData];
[request startAsynchronous];

public class FileUploadImpl implements ServletRequestAware,
ServletResponseAware {

private final static Logger logger = Logger.getLogger(FileUploadImpl.class);
protected HttpServletRequest request;
protected HttpServletResponse response;

@Override
public void setServletRequest(HttpServletRequest arg0) {
// TODO Auto-generated method stub

this.request = arg0;
}

@Override
public void setServletResponse(HttpServletResponse arg0) {
// TODO Auto-generated method stub
response = arg0;
}

/**
* 处理上传文件
*
* @param request
* @throws UnsupportedEncodingException
*/
public void executeUpload() {
logger.info("=======executeUpload");
DataOutputStream output = null;
response.setContentType("text/html;charset=utf-8");
response.setCharacterEncoding("UTF-8");
try {
output=new DataOutputStream(response.getOutputStream());

boolean isMultipart = ServletFileUpload.isMultipartContent(request);
if (isMultipart == true) {
DiskFileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
upload.setHeaderEncoding("UTF-8");
List fileItems = upload.parseRequest(request); // 得到所有的表单域，它们目前都被当作FileItem
logger.info("fileItems==="+fileItems.size());
String uploadPath = ValueTable.getInstance(false).GetValue(
"MobileUploadPath");
String ffmpegPath = ValueTable.getInstance(false).GetValue(
"ffmpegPath");
File file = new File(uploadPath);
if (!file.exists()) { // 如果没有此目录就创建此目录
file.mkdir();
}
int faultid = 0;
Iterator<FileItem> iter = fileItems.iterator();

while (iter.hasNext()) { // 依次处理每个表单域
FileItem item = (FileItem) iter.next();
if (item.isFormField()) { // 如果item是正常的表单域

} else { // 如果item是文件上传表单域
String filename = item.getName();
// 得到文件名
String filetype = filename.substring(
filename.lastIndexOf(".") + 1,
filename.length()); // 文件后缀
InputStream is = item.getInputStream(); // 此处已经得到上传文件的输入流
String filepath = uploadPath + filename; // 此处的filename可以改名存储
if (new File(filepath).exists()) { // 上传文件是否存在
new File(filepath).delete(); // 存在就删除
}
if (!filepath.equals("")) { // 如果文件名不为空
FileOutputStream fos = new FileOutputStream(
filepath);
byte[] buffer = new byte[10240];
int count = 0;
while ((count = is.read(buffer)) > 0) {
fos.write(buffer, 0, count); // 开始上传至目录文件
}
fos.close();
is.close();

// 文件已经生成 开始执行转换线程
if (如果是视频 转成flv格式) {

<span style="white-space:pre">	</span>String convertDestPath = uploadPath
+ filename.substring(0,
filename.lastIndexOf(".") + 1)
+ "flv";
try {
ConvertVideo convertVideo = new ConvertVideo(
filepath, convertDestPath,
ffmpegPath);
boolean b = convertVideo.process();
} catch (Exception e) {
e.printStackTrace();
}

}
}
}
output.write("".getBytes("utf-8"));
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
} try {
output.flush();
output.close();
} catch (IOException e) {
e.printStackTrace();
}
}

}