objective c เรียก REST webservice

เอามาจาก http://rajneesh071.blogspot.com/2013/07/how-to-make-rest-api-call-in-objective-c.html

We can call using this.

NSString *twitterUrl = @”YourUrlString”;
NSString *resp = [self makeRestAPICall: twitterUrl];

and method is

-(NSString*) makeRestAPICall : (NSString*) reqURLStr
NSURLRequest *Request = [NSURLRequest requestWithURL:[NSURL URLWithString: reqURLStr]];
NSURLResponse *resp = nil;
NSError *error = nil;
NSData *response = [NSURLConnection sendSynchronousRequest: Request returningResponse: &resp error: &error];
NSString *responseString = [[NSString alloc] initWithData:response encoding:NSUTF8StringEncoding];
return responseString;


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