ios使用HTTP POST上传图像和文本
谢谢你的阅读 我是iOS新手,我正在尝试在iOS中使用ios使用HTTP POST上传图像和文本,ios,file-upload,curl,http-post,image-uploading,Ios,File Upload,Curl,Http Post,Image Uploading,谢谢你的阅读 我是iOS新手,我正在尝试在iOS中使用多部分表单编码上传图像和文本 等效的curl是这样的:curl-F“param1=value1”-F“param2=@testimage.jpg”“” 上面的curl命令返回JSON中预期的正确响应。 问题: 我不断收到一个HTTP400请求,这意味着我在编写HTTPPOST正文时出错了 我所做的: 作为参考,我尝试了一下。但是,我一直得到一个HTTP 400 我尝试了ASIHttpRequest,但遇到了不同的问题(回调从未被调用)。但是,
多部分表单编码上传图像和文本
等效的curl
是这样的:curl-F“param1=value1”-F“param2=@testimage.jpg”“”
上面的curl
命令返回JSON中预期的正确响应。
问题:
我不断收到一个HTTP400请求,这意味着我在编写HTTPPOST正文时出错了
我所做的:
作为参考,我尝试了一下。但是,我一直得到一个HTTP 400
我尝试了ASIHttpRequest
,但遇到了不同的问题(回调从未被调用)。但是,我没有进一步调查,因为我听说开发人员已经停止支持该库:
有人能帮我吗?以下是我的应用程序中的代码,用于将图像发布到我们的web服务器:
// Dictionary that holds post parameters. You can set your post parameters that your server accepts or programmed to accept.
NSMutableDictionary* _params = [[NSMutableDictionary alloc] init];
[_params setObject:[NSString stringWithString:@"1.0"] forKey:[NSString stringWithString:@"ver"]];
[_params setObject:[NSString stringWithString:@"en"] forKey:[NSString stringWithString:@"lan"]];
[_params setObject:[NSString stringWithFormat:@"%d", userId] forKey:[NSString stringWithString:@"userId"]];
[_params setObject:[NSString stringWithFormat:@"%@",title] forKey:[NSString stringWithString:@"title"]];
// the boundary string : a random string, that will not repeat in post data, to separate post data fields.
NSString *BoundaryConstant = [NSString stringWithString:@"----------V2ymHFg03ehbqgZCaKO6jy"];
// string constant for the post parameter 'file'. My server uses this name: `file`. Your's may differ
NSString* FileParamConstant = [NSString stringWithString:@"file"];
// the server url to which the image (or the media) is uploaded. Use your server url here
NSURL* requestURL = [NSURL URLWithString:@""];
// create request
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
[request setCachePolicy:NSURLRequestReloadIgnoringLocalCacheData];
[request setHTTPShouldHandleCookies:NO];
[request setTimeoutInterval:30];
[request setHTTPMethod:@"POST"];
// set Content-Type in HTTP header
NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@", BoundaryConstant];
[request setValue:contentType forHTTPHeaderField: @"Content-Type"];
// post body
NSMutableData *body = [NSMutableData data];
// add params (all params are strings)
for (NSString *param in _params) {
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", BoundaryConstant] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n", param] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"%@\r\n", [_params objectForKey:param]] dataUsingEncoding:NSUTF8StringEncoding]];
}
// add image data
NSData *imageData = UIImageJPEGRepresentation(imageToPost, 1.0);
if (imageData) {
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", BoundaryConstant] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"image.jpg\"\r\n", FileParamConstant] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithString:@"Content-Type: image/jpeg\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:imageData];
[body appendData:[[NSString stringWithFormat:@"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
}
[body appendData:[[NSString stringWithFormat:@"--%@--\r\n", BoundaryConstant] dataUsingEncoding:NSUTF8StringEncoding]];
// setting the body of the post to the reqeust
[request setHTTPBody:body];
// set the content-length
NSString *postLength = [NSString stringWithFormat:@"%lu",(unsigned long) [body length]];
[request setValue:postLength forHTTPHeaderField:@"Content-Length"];
// set URL
[request setURL:requestURL];
琼斯的回答很有魅力
但是他没有提到/声明变量_params
,边界常数和请求URL
。所以,我想把这部分内容作为他的文章的一个附加部分,以便将来对其他人有所帮助
// Dictionary that holds post parameters. You can set your post parameters that your server accepts or programmed to accept.
NSMutableDictionary* _params = [[NSMutableDictionary alloc] init];
[_params setObject:[NSString stringWithString:@"1.0"] forKey:[NSString stringWithString:@"ver"]];
[_params setObject:[NSString stringWithString:@"en"] forKey:[NSString stringWithString:@"lan"]];
[_params setObject:[NSString stringWithFormat:@"%d", userId] forKey:[NSString stringWithString:@"userId"]];
[_params setObject:[NSString stringWithFormat:@"%@",title] forKey:[NSString stringWithString:@"title"]];
// the boundary string : a random string, that will not repeat in post data, to separate post data fields.
NSString *BoundaryConstant = [NSString stringWithString:@"----------V2ymHFg03ehbqgZCaKO6jy"];
// string constant for the post parameter 'file'. My server uses this name: `file`. Your's may differ
NSString* FileParamConstant = [NSString stringWithString:@"file"];
// the server url to which the image (or the media) is uploaded. Use your server url here
NSURL* requestURL = [NSURL URLWithString:@""];
正如我前面提到的,这本身并不是一个答案,只是一个XJones'post的插件。用于http通过post发送图像、用户名和密码
方法
NSString *str=[NSString stringWithFormat:@"%@registration.php",appdel.baseUrl];
NSString *urlString = [NSString stringWithFormat:@"%@",str];
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
[request setURL:[NSURL URLWithString:urlString]];
[request setHTTPMethod:@"POST"];
NSMutableData *body = [NSMutableData data];
NSString *boundary = @"---------------------------14737809831466499882746641449";
NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary];
[request addValue:contentType forHTTPHeaderField: @"Content-Type"];
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Disposition: form-data; name=\"file\"; filename=\"a.jpg\"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[NSData dataWithData:imgData]];
[body appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
// parameter username
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"username\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[userName.text dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
// parameter token
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"email\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[eMail.text dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
// parameter method
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"pass\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[passWord.text dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
//parameter method
NSLog(@"%@",countryCode);
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"country\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[countryCode dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
// close form
[body appendData:[[NSString stringWithFormat:@"--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// setting the body of the post to the reqeust
[request setHTTPBody:body];
NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
// NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding];
NSDictionary *dict=[NSJSONSerialization JSONObjectWithData:returnData options:NSJSONReadingMutableLeaves error:nil];
Nslog(@"%@",dict);
//
使用网络;将其他参数放入参数字典中,并将图像数据追加到表单数据中
//Upload Image Using AFNetworking
-(BOOL)uploadImageAFNetworkingWithURL:(NSString *)path andImage:(UIImage *)image andImageNameWithExtension:(NSString *)strImageName andParamDict:(NSDictionary *)dictParam andKeyForUploadingImage:(NSString *)keyUplaodImg{
NSData *imageData = UIImageJPEGRepresentation(image, 0.5);
NSString *strError = EMPTY_STRING;
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
manager.requestSerializer = [AFJSONRequestSerializer serializer];
[manager POST:path parameters:dictParam constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
[formData appendPartWithFileData:imageData name:keyUplaodImg fileName:strImageName mimeType:@"image/jpeg"];
} success:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(@"success = %@", responseObject);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"error = %@", error);
NSLog(@"Response = %@", operation);
[strError stringByAppendingString:STR_ERR_MESSAGE];
}];
if(strError.length>0){
return NO;
}else{
return YES;
}
}
//使用AFN网络上传图像
-(BOOL)使用URL:(NSString*)路径和图像:(UIImage*)图像和图像名称以及扩展名:(NSString*)strimagname和paramdict:(NSDictionary*)dictParam和keyForUploadingImage:(NSString*)keyUplaodImg{
NSData*imageData=UIIMAGEJPEG表示法(图像,0.5);
NSString*strError=空字符串;
AFHTTPRequestOperationManager*manager=[AFHTTPRequestOperationManager];
manager.requestSerializer=[AFJSONRequestSerializer序列化程序];
[管理员帖子:路径参数:dictParam constructingBodyWithBlock:^(id formData){
[formData appendPartWithFileData:imageData名称:keyUplaodImg文件名:strImageName mimeType:@“图像/jpeg”];
}成功:^(AFHTTPRequestOperation*操作,id响应对象){
NSLog(@“success=%@”,responseObject);
}失败:^(AFHTTPRequestOperation*操作,NSError*错误){
NSLog(@“error=%@”,error);
NSLog(@“Response=%@”,操作);
[strError stringByAppendingString:STR_ERR_MESSAGE];
}];
如果(strError.length>0){
返回否;
}否则{
返回YES;
}
}
以下是我的类似文件,用于以多部分形式上载文件:
WebRequest *request = [[WebRequest alloc] initWithPath:@"...documents/create.json"];
// optional attributes
request.delegate = delegate;
request.notificationName = @"NotificationDocumentUploaded";
request.queue = myQueue;
NSMutableData *body = [NSMutableData data];
NSString *boundary = @"TeslaSchoolProjectFormBoundary";
[body appendPartName:@"document[name]" value:@"Test" boundary:boundary];
[body appendPartName:@"document[description]" value:@"This is a description" boundary:boundary];
[body appendPartName:@"document[category]" value:@"Drama" boundary:boundary];
...
[body appendPartName:@"commit" value:@"Save" boundary:boundary];
NSData *fileData = [[NSData alloc] initWithContentsOfURL:someFileURL];
[body appendPartFile:fileName name:@"document[file]" data:fileData mimeType:mimeType boundary:boundary];
[body appendData:[[NSString stringWithFormat:@"--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[request setHTTPBody:body];
NSString *bodyLength = [NSString stringWithFormat:@"%lu",(unsigned long)[body length]];
[request addValue:bodyLength forHTTPHeaderField:@"Content-Length"];
[request setValue:[NSString stringWithFormat:@"multipart/form-data; charset=utf-8; boundary=%@", boundary] forHTTPHeaderField:@"Content-Type"];
// optional values
[request addValue:@"gzip,deflate,sdch" forHTTPHeaderField:@"Accept-Encoding"];
[request addValue:@"max-age=0" forHTTPHeaderField:@"Cache-Control"];
[request addValue:@"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8" forHTTPHeaderField:@"Accept"];
[request addValue:@"en-US,en;q=0.8,hr;q=0.6,it;q=0.4,sk;q=0.2,sl;q=0.2,sr;q=0.2" forHTTPHeaderField:@"Accept-Language"];
[request setHTTPMethod:@"POST"];
[WebRequestProcessor process:request];
使用委托通知上载进度
使用通知名称在请求完成时进行通知
使用队列将此请求添加到您的操作队列中,以便在正确的时间进行处理。以下是从@xjones提供的代码翻译而来的有效swift代码。
非常感谢你的帮助,伙计。你的方法是唯一适合我的方法。
我使用此方法将1个图像和另一个参数发送到asp.net中的Web服务
我可以向您展示一个示例,通过NSMutableURLRequest
和NSURLSessionUploadTask
使用php脚本将.txt文件上载到服务器
-(void)uploadFileToServer : (NSString *) filePath
{
NSMutableURLRequest* request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"http://YourURL.com/YourphpScript.php"]];
[request setHTTPMethod:@"POST"];
[request addValue:@"File Name" forHTTPHeaderField:@"FileName"];
NSURLSessionConfiguration *defaultConfigObject = [NSURLSessionConfiguration defaultSessionConfiguration];
NSURLSession *defaultSession = [NSURLSession sessionWithConfiguration:defaultConfigObject];
NSURLSessionUploadTask* uploadTask = [defaultSession uploadTaskWithRequest:request fromFile:[NSURL URLWithString:filePath] completionHandler:^(NSData *data, NSURLResponse *response, NSError *error)
{
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
if (error || [httpResponse statusCode]!=202)
{
//Error
}
else
{
//Success
}
[defaultSession invalidateAndCancel];
}];
[uploadTask resume];
}
php脚本
<?php
$request_body = @file_get_contents('php://input');
foreach (getallheaders() as $name => $value)
{
if ($FileName=="FileName")
{
$header=$value;
break;
}
}
$uploadedDir = "directory/";
@mkdir($uploadedDir);
file_put_contents($uploadedDir."/".$FileName.".txt",
$request_body.PHP_EOL, FILE_APPEND);
header('X-PHP-Response-Code: 202', true, 202);
?>
这是一个Swift版本。请注意,如果不希望发送表单数据,则发送空表单边界仍然很重要。Flask特别希望表单数据后跟文件数据,并且在没有第一个边界的情况下不会填充request.files
let composedData = NSMutableData()
// Set content type header
let BoundaryConstant = "--------------------------3d74a90a3bfb8696"
let contentType = "multipart/form-data; boundary=\(BoundaryConstant)"
request.setValue(contentType, forHTTPHeaderField: "Content-Type")
// Empty form boundary
composedData.appendData("--\(BoundaryConstant)\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
// Build multipart form to send image
composedData.appendData("--\(BoundaryConstant)\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
composedData.appendData("Content-Disposition: form-data; name=\"file\"; filename=\"image.jpg\"\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
composedData.appendData("Content-Type: image/jpeg\r\n\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
composedData.appendData(rawData!)
composedData.appendData("\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
composedData.appendData("--\(BoundaryConstant)--\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
request.HTTPBody = composedData
// Get content length
let length = "\(composedData.length)"
request.setValue(length, forHTTPHeaderField: "Content-Length")
使用Swift 2.2中的NSURLConnection类上载带有表单数据的图像:
func uploadImage(){
let imageData = UIImagePNGRepresentation(UIImage(named: "dexter.jpg")!)
if imageData != nil{
let str = "https://staging.mywebsite.com/V2.9/uploadfile"
let request = NSMutableURLRequest(URL: NSURL(string:str)!)
request.HTTPMethod = "POST"
let boundary = NSString(format: "---------------------------14737809831466499882746641449")
let contentType = NSString(format: "multipart/form-data; boundary=%@",boundary)
request.addValue(contentType as String, forHTTPHeaderField: "Content-Type")
let body = NSMutableData()
// append image data to body
body.appendData(NSString(format: "\r\n--%@\r\n", boundary).dataUsingEncoding(NSUTF8StringEncoding)!)
body.appendData(NSString(format:"Content-Disposition: form-data; name=\"file\"; filename=\"img.jpg\"\\r\n").dataUsingEncoding(NSUTF8StringEncoding)!)
body.appendData(NSString(format: "Content-Type: application/octet-stream\r\n\r\n").dataUsingEncoding(NSUTF8StringEncoding)!)
body.appendData(imageData!)
body.appendData(NSString(format: "\r\n--%@\r\n", boundary).dataUsingEncoding(NSUTF8StringEncoding)!)
request.HTTPBody = body
do {
let returnData = try NSURLConnection.sendSynchronousRequest(request, returningResponse: nil)
let returnString = NSString(data: returnData, encoding: NSUTF8StringEncoding)
print("returnString = \(returnString!)")
}
catch let error as NSError {
print(error.description)
}
}
}
注意:上传/下载数据时,始终使用sendSynchronousRequest
方法,而不是sendSynchronousRequest
,以避免阻塞主线程。这里我使用sendSynchronousRequest仅用于测试目的。我使用了NSURLConnection。谢谢你的链接。事实上,这仍然给了我400个错误。我打印出了http帖子的正文,我看到的不是图片,而是两个垃圾字符。因此,当您附加imageData时,它是NSData类型的-它应该是base64编码的字符串吗?顺便说一句,我的imageToPost是UIImage类型的。这段代码在我的应用程序中用于将图像发布到我们的web服务器(Linux/PHP)。该图像是UIImage。对于引用此代码的人来说,可能是的副本:“BoundaryConstant”基本上是变量“boundary”,它基本上是一个随机变量(NSString*),“FileParamConstant”基本上是您的“filename.jpg”。感谢发布-这非常有用。希望有一天你能找到一座白金矿山,作为对你惊人的奖励。在大量关于这个主题的帖子中,这是最好的一篇。谢谢,伙计。我试过这个代码,但我认为它错过了实际启动请求的指令。有人能告诉我在这种情况下是什么吗?@Gannicus,不要把它拖得太久,它会是这样的:[NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue]completionHandler:^(NSURResponse*response,NSData*data,NSError*connectionError){};我尝试了此操作,但我的(nsmutabledata)在setHTTPBody时间结束时为null。我错过了什么吗?@jayrajm.g。对我来说,它起作用了。你的网络服务可能有问题,为什么你要放弃投票给我放弃投票?@sunil:我想把2个音频文件以及图像和一些字符串发送到服务器。Plz建议我怎么做。一个没有类前缀的库-当然不在我的项目中。获取嵌套字典参数的问题,json格式接收的格式不正确
use below code. it will work fine for me.
+(void) sendHttpRequestWithArrayContent:(NSMutableArray *) array
ToUrl:(NSString *) strUrl withHttpMethod:(NSString *) strMethod
withBlock:(dictionary)block
{
if (![Utility isConnectionAvailableWithAlert:TRUE])
{
[Utility showAlertWithTitle:@"" andMessage:@"No internet connection available"];
}
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init] ;
[request setURL:[NSURL URLWithString:strUrl]];
[request setTimeoutInterval:120.0];
[request setHTTPMethod:strMethod];
NSString *boundary = @"---------------------------14737809831466499882746641449";
NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary];
[request addValue:contentType forHTTPHeaderField: @"Content-Type"];
NSMutableData *body=[[NSMutableData alloc]init];
for (NSMutableDictionary *dict in array)
{
if ([[dict valueForKey:[[dict allKeys]objectAtIndex:0]] isKindOfClass:[NSString class]])
{
[body appendData:[self contentDataFormStringWithValue:[dict valueForKey:[[dict allKeys]objectAtIndex:0]] withKey:[[dict allKeys]objectAtIndex:0]]];
}
else if ([[dict valueForKey:[[dict allKeys]objectAtIndex:0]] isKindOfClass:[UIImage class]])
{
[body appendData:[self contentDataFormImage:[dict valueForKey:[[dict allKeys]objectAtIndex:0]] withKey:[[dict allKeys]objectAtIndex:0]]];
}
else if ([[dict valueForKey:[[dict allKeys]objectAtIndex:0]] isKindOfClass:[NSMutableDictionary class]])
{
[body appendData:[self contentDataFormStringWithValue:[dict valueForKey:[[dict allKeys]objectAtIndex:0]] withKey:[[dict allKeys]objectAtIndex:0]]];
}
else
{
NSMutableData *dataBody = [NSMutableData data];
[dataBody appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[dataBody appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"ipodfile.jpg\"\r\n",@"image"] dataUsingEncoding:NSUTF8StringEncoding]];
[dataBody appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[dataBody appendData:[dict valueForKey:[[dict allKeys]objectAtIndex:0]]];
[body appendData:dataBody];
}
}
[body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[request setHTTPBody:body];
[NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError)
{
if (!data) {
NSMutableDictionary *dict = [[NSMutableDictionary alloc] init];
[dict setObject:[NSString stringWithFormat:@"%@",SomethingWentWrong] forKey:@"error"];
block(dict);
return ;
}
NSError *error = nil;
// NSString *str=[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:&error];
NSLog(@"%@",dict);
if (!dict) {
NSMutableDictionary *dict = [[NSMutableDictionary alloc] init];
[dict setObject:ServerResponceError forKey:@"error"];
block(dict);
return ;
}
block(dict);
}];
}
+(NSMutableData*) contentDataFormStringWithValue:(NSString*)strValue
withKey:(NSString *) key
{
NSString *boundary = @"---------------------------14737809831466499882746641449";
NSMutableData *data=[[NSMutableData alloc]init];
[data appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[data appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",key] dataUsingEncoding:NSUTF8StringEncoding]];
[data appendData:[[NSString stringWithFormat:@"%@",strValue] dataUsingEncoding:NSUTF8StringEncoding]]; // title
return data;
}
+(NSMutableData*) contentDataFormImage:(UIImage*)image withKey:
(NSString *) key
{
NSString *boundary = @"---------------------------14737809831466499882746641449";
NSMutableData *body = [NSMutableData data];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"ipodfile.jpg\"\r\n",key] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
NSData *imageData=UIImageJPEGRepresentation(image, 0.40);
[body appendData:imageData];
return body;
}
use below code. it will work fine for me.
+(void) sendHttpRequestWithArrayContent:(NSMutableArray *) array
ToUrl:(NSString *) strUrl withHttpMethod:(NSString *) strMethod
withBlock:(dictionary)block
{
if (![Utility isConnectionAvailableWithAlert:TRUE])
{
[Utility showAlertWithTitle:@"" andMessage:@"No internet connection available"];
}
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init] ;
[request setURL:[NSURL URLWithString:strUrl]];
[request setTimeoutInterval:120.0];
[request setHTTPMethod:strMethod];
NSString *boundary = @"---------------------------14737809831466499882746641449";
NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary];
[request addValue:contentType forHTTPHeaderField: @"Content-Type"];
NSMutableData *body=[[NSMutableData alloc]init];
for (NSMutableDictionary *dict in array)
{
if ([[dict valueForKey:[[dict allKeys]objectAtIndex:0]] isKindOfClass:[NSString class]])
{
[body appendData:[self contentDataFormStringWithValue:[dict valueForKey:[[dict allKeys]objectAtIndex:0]] withKey:[[dict allKeys]objectAtIndex:0]]];
}
else if ([[dict valueForKey:[[dict allKeys]objectAtIndex:0]] isKindOfClass:[UIImage class]])
{
[body appendData:[self contentDataFormImage:[dict valueForKey:[[dict allKeys]objectAtIndex:0]] withKey:[[dict allKeys]objectAtIndex:0]]];
}
else if ([[dict valueForKey:[[dict allKeys]objectAtIndex:0]] isKindOfClass:[NSMutableDictionary class]])
{
[body appendData:[self contentDataFormStringWithValue:[dict valueForKey:[[dict allKeys]objectAtIndex:0]] withKey:[[dict allKeys]objectAtIndex:0]]];
}
else
{
NSMutableData *dataBody = [NSMutableData data];
[dataBody appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[dataBody appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"ipodfile.jpg\"\r\n",@"image"] dataUsingEncoding:NSUTF8StringEncoding]];
[dataBody appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[dataBody appendData:[dict valueForKey:[[dict allKeys]objectAtIndex:0]]];
[body appendData:dataBody];
}
}
[body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[request setHTTPBody:body];
[NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError)
{
if (!data) {
NSMutableDictionary *dict = [[NSMutableDictionary alloc] init];
[dict setObject:[NSString stringWithFormat:@"%@",SomethingWentWrong] forKey:@"error"];
block(dict);
return ;
}
NSError *error = nil;
// NSString *str=[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:&error];
NSLog(@"%@",dict);
if (!dict) {
NSMutableDictionary *dict = [[NSMutableDictionary alloc] init];
[dict setObject:ServerResponceError forKey:@"error"];
block(dict);
return ;
}
block(dict);
}];
}
+(NSMutableData*) contentDataFormStringWithValue:(NSString*)strValue
withKey:(NSString *) key
{
NSString *boundary = @"---------------------------14737809831466499882746641449";
NSMutableData *data=[[NSMutableData alloc]init];
[data appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[data appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",key] dataUsingEncoding:NSUTF8StringEncoding]];
[data appendData:[[NSString stringWithFormat:@"%@",strValue] dataUsingEncoding:NSUTF8StringEncoding]]; // title
return data;
}
+(NSMutableData*) contentDataFormImage:(UIImage*)image withKey:
(NSString *) key
{
NSString *boundary = @"---------------------------14737809831466499882746641449";
NSMutableData *body = [NSMutableData data];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"ipodfile.jpg\"\r\n",key] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
NSData *imageData=UIImageJPEGRepresentation(image, 0.40);
[body appendData:imageData];
return body;
}