在对此网址中的代码进行一些修补之后:
How to send post data and image file to server Xcode
我设法在没有崩溃的情况下运行它但是这一次,我得到一个错误的请求错误,说我有无效的JSON。我如何解决这个问题? 顺便说一句,self.choseImage.image是我要上传的图片。
NSData *imageData = UIImageJPEGRepresentation(self.chosenImage.image,1);
if (imageData != nil)
{
NSString * filenames = [NSString stringWithFormat:@"TextLabel"];
NSLog(@"%@", filenames);
NSString *urlString = @"http://127.0.0.1:5984/sgramimage";
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init] ;
[request setURL:[NSURL URLWithString:urlString]];
[request setHTTPMethod:@"POST"];
NSString *boundary = @"---------------------------14737809831466499882746641449";
NSString *contentType = [NSString stringWithFormat:@"application/json; boundary=%@",boundary];
[request addValue:contentType forHTTPHeaderField: @"Content-Type"];
NSMutableData *body = [NSMutableData data];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"filenames\"\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[filenames dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Disposition: form-data; name=\"userfile\"; filename=\"TestEdreamzIpad.jpg\"\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: application/octet-stream\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[NSData dataWithData:imageData]];
[body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[request setHTTPBody:body];
NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding];
NSLog(@"Response : %@",returnString);
NSLog(@"Finish");
}
答案 0 :(得分:2)
您将数据发送到路径/:dbname/:docid
。如上所述here,您必须在其自己的内容类型中上传附件:
curl -vX PUT http://127.0.0.1:5984/sgramimage?rev=:rev \
--data-binary @TestEdreamzIpad.jpg -H "Content-Type:image/jpg"
您必须知道应附加图像的文档的当前版本。
或者,您可以在一个请求中发送带有新文档的附件 - 二进制或内联作为Base64编码的字符串。有关CouchDB文档附件的更多信息显示 API path documentation。