Php HTTP Post脚本未添加参数
我有以下用Objective-C编写的帖子脚本。代码是从这里的问题修改过来的(问题是和)。照片上载到服务器,但参数添加不正确。代码如下:Php HTTP Post脚本未添加参数,php,ios,objective-c,parameters,http-post,Php,Ios,Objective C,Parameters,Http Post,我有以下用Objective-C编写的帖子脚本。代码是从这里的问题修改过来的(问题是和)。照片上载到服务器,但参数添加不正确。代码如下: NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init]; [request setCachePolicy:NSURLRequestReloadIgnoringLocalCacheData]; [request setHTTPShouldHandleCookies:NO]; [reque
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
[request setCachePolicy:NSURLRequestReloadIgnoringLocalCacheData];
[request setHTTPShouldHandleCookies:NO];
[request setTimeoutInterval:30];
[request setHTTPMethod:@"POST"];
NSString *boundary = @"---------------------------14737809831466499882746641449";
// set Content-Type in HTTP header
NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@", boundary];
[request setValue:contentType forHTTPHeaderField: @"Content-Type"];
// post body
NSMutableData *body = [NSMutableData data];
// Dictionary that holds post parameters.
NSMutableDictionary* _params = [[NSMutableDictionary alloc] init];
[_params setObject:Name forKey:@"username"];
// the boundary string
NSString *BoundaryConstant = @"----------V2ymHFg03ehbqgZCaKO6jy";
// string constant for the post parameter
NSString* FileParamConstant = @"FILE1";
// the server url to which the image
NSURL* requestURL = [NSURL URLWithString:uploadURLString];
// 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; charset:UTF-8; name=\"%@\"\r\n\r\n", param] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"%@\r\n", [_params objectForKey:param]] dataUsingEncoding:NSUTF8StringEncoding]];
}
// add image data
UIImage *newImage = self.urlImageOfUser.image;
NSData *imageData = UIImageJPEGRepresentation(newImage, 1.0);
if (imageData) {
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"image.jpg\"\r\n", FileParamConstant] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: image/png\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:imageData];
[body appendData:[[NSString stringWithFormat:@"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
}
[body appendData:[[NSString stringWithFormat:@"--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// setting the body of the post to the request
[request setHTTPBody:body];
// set the content-length
NSString *postLength = [NSString stringWithFormat:@"%d", [body length]];
[request setValue:postLength forHTTPHeaderField:@"Content-Length"];
// set URL
[request setURL:requestURL];
NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding];
NSLog(@"%@", returnString);
最后的
NSLog
显示添加的参数(用户名)完全为空。有什么我遗漏的吗?我让它工作了,下面是我使用的新代码:
for (NSString *param in _params) {
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] 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]];
}
我认为唯一的区别是字符集
参数。我的建议:
NSString *stringBody = @"";
NSArray *allKeys = parameters.allKeys;
NSArray *allValues = parameters.allValues;
for (int i = 0; i < allKeys.count; i++) {
NSString *key = allKeys[i];
NSString *value = allValues[i];
stringBody = [stringBody stringByAppendingString:[NSString stringWithFormat:@"%@=%@&", key, value]];
}
NSString*stringBody=@”;
NSArray*allKeys=parameters.allKeys;
NSArray*allValues=参数。allValues;
对于(int i=0;i
完整代码:
FOUNDATION_EXPORT NSString *GetWebServiceResponseHTTP_POST(NSString *url, NSString *webServiceName, NSMutableDictionary *parameters) {
NSString *stringBody = @"";
NSArray *allKeys = parameters.allKeys;
NSArray *allValues = parameters.allValues;
for (int i = 0; i < allKeys.count; i++) {
NSString *key = allKeys[i];
NSString *value = allValues[i];
stringBody = [stringBody stringByAppendingString:[NSString stringWithFormat:@"%@=%@&", key, value]];
}
NSURL *completeURL = [NSURL URLWithString:[NSString stringWithFormat:@"%@/%@", url, webServiceName]];
NSData *body = [stringBody dataUsingEncoding:NSUTF8StringEncoding];
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:completeURL];
[request setHTTPMethod:@"POST"];
[request setValue:@"some value" forHTTPHeaderField:@"some header"];
[request setHTTPBody:body];
[request setValue:[NSString stringWithFormat:@"%d", body.length] forHTTPHeaderField:@"Content-Length"];
[request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
NSError *error = [[NSError alloc] init];
NSHTTPURLResponse *responseCode = nil;
NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&responseCode error:&error];
if (responseCode.statusCode != 200) {
NSLog(@"Error getting %@, HTTP status code %i", url, responseCode.statusCode);
return nil;
}
NSString *responseString = [[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding];
return responseString;
}
FOUNDATION\u导出NSString*GetWebServiceResponseHTTP\u帖子(NSString*url,NSString*webServiceName,NSMutableDictionary*参数){
NSString*stringBody=@;
NSArray*allKeys=parameters.allKeys;
NSArray*allValues=参数。allValues;
对于(int i=0;i
什么是名称
?(您为keyusername
设置的对象)Name
是一个NSString
变量。