關(guān)于iPhone應(yīng)用中HTTP上傳請求協(xié)議總結(jié)
關(guān)于iPhone應(yīng)用中HTTP上傳請求協(xié)議總結(jié)是本文要介紹的內(nèi)容,主要是來學(xué)習(xí)HTTP上傳請求協(xié)議的內(nèi)容,具體內(nèi)容來看本文詳解。http協(xié)議應(yīng)該注意四點(diǎn):
1、初始化響應(yīng)服務(wù)器地址
- NSURL *url = [NSURL URLWithString:@"http://xxx.xxx.xx.xxx/mqupload.jsp"];
- [urlRequest setValue: [NSString stringWithFormat:@"%@\r\n", @"http://XXXXXX HTTP/1.1"]]; //可要可無
2、設(shè)置提交方法 GET/POST
- [urlRequest setHTTPMethod:@"POST"];
3、設(shè)置響應(yīng)內(nèi)容類型
- [urlRequest setValue: [NSString stringWithFormat:@"multipart/form-data;
- boundary=---------%@", @"7daaba1e0368"] forHTTPHeaderField:@"Content-Type"];
4、設(shè)置響應(yīng)內(nèi)容
- NSMutableData *postData = [NSMutableData dataWithCapacity:[m_imageData length]];
- [postData appendData: [[NSString stringWithFormat:@"---------%@\r\n", @"7daaba1e0368"]
- dataUsingEncoding:NSUTF8StringEncoding]];//開始標(biāo)志
- [postData appendData: [[NSString stringWithFormat: @"Content-Disposition:form-data; name="File1";
- filename="1.jpg"\r\n Content-type: image/pjpeg\r\n\r\n"]dataUsingEncoding:NSUTF8StringEncoding]];
- //name是頁面文件的參數(shù),type是文件類型
- [postData appendData:imageData];// 文件數(shù)據(jù)
- [postData appendData: [[NSString stringWithFormat:@"\r\n---------%@--\r\n", @"7daaba1e0368"]
- dataUsingEncoding:NSUTF8StringEncoding]];// 文件結(jié)束標(biāo)志
- [urlRequest setHTTPBody:postData];//把數(shù)據(jù)加載到響應(yīng)的文件體
只要做到以上幾點(diǎn),一個完整的http請求協(xié)議就做好了
下面附一個簡潔版完整的請求協(xié)議體
- NSURL *url = [NSURL URLWithString:@"http://XX.XX.XX"];//請求服務(wù)器路徑。
- m_imageData = UIImagePNGRepresentation(myImageView.image);
- NSMutableURLRequest *urlRequest = [NSMutableURLRequest requestWithURL:url];
- [urlRequest setHTTPMethod:@"POST"];
- [urlRequest setValue: [NSString stringWithFormat:@"multipart/form-data;
- boundary=---------%@", @"7daaba1e0368"] forHTTPHeaderField:@"Content-Type"];
- [urlRequest setValue: [NSString stringWithFormat:@"%@\r\n\r\n", @" keep-alive"] forHTTPHeaderField:@"Connection"];
- NSMutableData *postData = [NSMutableData dataWithCapacity:[m_imageData length]];
- [postData appendData: [[NSString stringWithFormat:@"---------%@\r\n", @"7daaba1e0368"]
- dataUsingEncoding:NSUTF8StringEncoding]];
- [postData appendData: [[NSString stringWithFormat:
- @"Content-Disposition:form-data; name="File1";
- filename="1.jpg"\r\n Content-type: image/pjpeg\r\n\r\n"]dataUsingEncoding:NSUTF8StringEncoding]];
- [postData appendData:m_imageData];
- [postData appendData: [[NSString stringWithFormat:@"\r\n---------%@--\r\n", @"7daaba1e0368"]
- dataUsingEncoding:NSUTF8StringEncoding]];
- [urlRequest setHTTPBody:postData];
- NSURLConnection *theConnection = [[NSURLConnection alloc] initWithRequest:urlRequest delegate:self];
小結(jié):關(guān)于iPhone應(yīng)用中HTTP上傳請求協(xié)議總結(jié)的內(nèi)容介紹完了,希望通過本文的學(xué)習(xí)能對你有所幫助!