Ios NSURLConnection/NSURLRequest是否默认将POST设置为表单提交?
我使用NSURLConnection和NSURLRequest向服务器发送一些XML数据的HTTP POST 但是,服务器无法在HTTP正文中找到数据,因为它已打包,假设网页正在执行表单提交参数=form urlencoded正在设置,可能是默认情况下由NSURLConnection?设置的 这并不是我要明确做的事情,我只是使用以下方法添加身体数据:Ios NSURLConnection/NSURLRequest是否默认将POST设置为表单提交?,ios,Ios,我使用NSURLConnection和NSURLRequest向服务器发送一些XML数据的HTTP POST 但是,服务器无法在HTTP正文中找到数据,因为它已打包,假设网页正在执行表单提交参数=form urlencoded正在设置,可能是默认情况下由NSURLConnection?设置的 这并不是我要明确做的事情,我只是使用以下方法添加身体数据: [request setHTTPBody: [body dataUsingEncoding:NSUTF8StringEncoding]];
[request setHTTPBody: [body dataUsingEncoding:NSUTF8StringEncoding]];
如何停止/覆盖此行为?我不知道默认值,但您可以使用以下选项进行更改:
[request setValue:@"application/x-www-form-urlencoded charset=utf-8" forHTTPHeaderField:@"Content-Type"];
请看。这里,我正在web服务器上发布XML数据,并使用NSURLConnection获得XML响应。步骤如下: 1通过NSURLConnection异步请求在服务器上发布数据
NSMutableString *productDetailString =[[NSMutableString alloc] init];
[productDetailString appendString:@"<product>"];
[productDetailString appendFormat:@"<product_name>%@</product_name>",name];
[productDetailString appendString:@"<product_id>1024</product_id>"];
[productDetailString appendString:@"</product>"];
NSString *message=[[NSString alloc] initWithFormat:@"_xmlrequestPostage=%@",productDetailString];
// NSString *message=[[NSString alloc] initWithFormat:@"_xmlrequestPostage="
// "<product>\n"
// "<product_name>%@</product_name>\n"
// "<product_id>%@</product_id>\n"
// "</product>\n",name, id];
NSString *urlString = [NSString stringWithFormat:@"http://flightsflights.com.au/Mega/product.asmx/GetProductPrice"];
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init] ;
[request setURL:[NSURL URLWithString:urlString]];
[request setHTTPMethod:@"POST"];
//set headers
NSString *contentType = [NSString stringWithFormat:@"application/x-www-form-urlencoded"];
[request addValue:contentType forHTTPHeaderField: @"Content-Type"];
[request addValue:[NSString stringWithFormat:@"%d",[message length]] forHTTPHeaderField:@"Content-Length"];
//create the body
NSMutableData *postBody = [[NSMutableData alloc]initWithData:[[NSString stringWithFormat:@"%@",message] dataUsingEncoding:NSUTF8StringEncoding]];
//post
[request setHTTPBody:postBody];
//get response
NSURLConnection *connection=[[NSURLConnection alloc] initWithRequest:request delegate:self];
if(connection)
{
webData=[[NSMutableData data] retain];
}
else
{
UIAlertView *alert=[[UIAlertView alloc] initWithTitle:@"Mega Australia" message:@"Problem in network." delegate:self cancelButtonTitle:@"Ok" otherButtonTitles:nil];
[alert show];
[alert release];
}
4.m文件中的合成名称、pro_id和状态代码
5通知NSXMLParse类的代表
-(void) parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict
{
currentElement=[elementName copy];
if([elementName isEqualToString:@"product"])
{
self.name=[[NSMutableString alloc] init];
self.pro_id=[[NSMutableString alloc] init];
aProduct=[[NSMutableDictionary alloc] init];
}
else if([elementName isEqualToString:@"status"])
{
self.statusCode=[[NSMutableString alloc] init];
}
}
-(void) parser:(NSXMLParser *)parser foundCharacters:(NSString *)string
{
if([currentElement isEqualToString:@"product_name"])
{
[self.name appendString:string];
}
else if([currentElement isEqualToString:@"product_id"])
{
[self.pro_id appendString:string];
}
else if([currentElement isEqualToString:@"status"])
{
[self.statusCode appendString:string];
if(![self.statusCode isEqualToString:@"200"])
{
UIAlertView *alert=[[UIAlertView alloc] initWithTitle:@"Mega Australia" message:@"Input string is not in a correct format." delegate:self cancelButtonTitle:@"Ok" otherButtonTitles: nil];
[alert show];
[alert release];
return;
}
}
}
- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
{
if ([elementName isEqualToString:@"product"])
{
[aProduct setObject:self.name forKey:@"name"];
[aProduct setObject:self.pro_id forKey:@"id"];
[product addObject:[aProduct copy]];
}
}
- (void)parserDidEndDocument:(NSXMLParser *)parser
{
return;
}
NSMutableString *name, *pro_id, *currentElement, *statusCode;
}
@property (retain, nonatomic) NSMutableString *name;
@property (retain, nonatomic) NSMutableString *pro_id;
@property (retain, nonatomic) NSMutableString *statusCode;
-(void) parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict
{
currentElement=[elementName copy];
if([elementName isEqualToString:@"product"])
{
self.name=[[NSMutableString alloc] init];
self.pro_id=[[NSMutableString alloc] init];
aProduct=[[NSMutableDictionary alloc] init];
}
else if([elementName isEqualToString:@"status"])
{
self.statusCode=[[NSMutableString alloc] init];
}
}
-(void) parser:(NSXMLParser *)parser foundCharacters:(NSString *)string
{
if([currentElement isEqualToString:@"product_name"])
{
[self.name appendString:string];
}
else if([currentElement isEqualToString:@"product_id"])
{
[self.pro_id appendString:string];
}
else if([currentElement isEqualToString:@"status"])
{
[self.statusCode appendString:string];
if(![self.statusCode isEqualToString:@"200"])
{
UIAlertView *alert=[[UIAlertView alloc] initWithTitle:@"Mega Australia" message:@"Input string is not in a correct format." delegate:self cancelButtonTitle:@"Ok" otherButtonTitles: nil];
[alert show];
[alert release];
return;
}
}
}
- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName
{
if ([elementName isEqualToString:@"product"])
{
[aProduct setObject:self.name forKey:@"name"];
[aProduct setObject:self.pro_id forKey:@"id"];
[product addObject:[aProduct copy]];
}
}
- (void)parserDidEndDocument:(NSXMLParser *)parser
{
return;
}