Created
August 30, 2012 07:22
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HTTPのPOST通信がうまくいかない
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//phpのサーバーに対してObjective-CからHTTPのPOSTでJSONを送ろうとしているのですがうまくいかないです。 | |
//何か知ってる人がいたら教えてもらえると助かります | |
+ (NSData *)httpPostExpectReturn:(NSData *)json :(NSString *)urlString{ | |
//HTTP POST | |
NSString* encodedUrl = [urlString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; | |
NSLog(@"http POST url: %@",encodedUrl); | |
//うまくいかないけど本当はこういうJSONを送りたい | |
NSArray *requestDict = @[@{@"key":@"value"},@{@"key":@"value2"}]; | |
NSError *error; | |
NSData *postData = [NSJSONSerialization dataWithJSONObject:requestDict options:NSJSONWritingPrettyPrinted error:&error]; | |
//こういう形で送ればうまくいく | |
NSString *post = [NSString stringWithFormat:@"example=test&p=1&test=yourPostMessage&this=isNotReal"]; | |
NSData *postData = [post dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:YES]; | |
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init]; | |
[request setURL:[NSURL URLWithString:urlString]]; | |
[request setHTTPMethod:@"POST"]; | |
[request setValue:postLength forHTTPHeaderField:@"Content-Length"]; | |
[request setValue:@"application/x-www-form-urlencoded;charset=UTF-8" forHTTPHeaderField:@"Content-Type"]; | |
[request setHTTPBody:postData]; | |
NSURLResponse *response; | |
NSData *POSTReply = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:nil]; | |
NSString *theReply = [[NSString alloc] initWithBytes:[POSTReply bytes] length:[POSTReply length] encoding: NSASCIIStringEncoding]; | |
NSLog(@"Reply: %@", theReply); | |
} | |
//サーバー側は受け取ったJSONをそのまま送り返す仕組みになってる | |
//サーバーのログを見るとPOST自体は受信しているようです | |
//うまくいく場合: | |
2012-08-30 16:18:18.892 HelloMap[15368:15803] Reply: | |
array(4) { | |
["example"]=> | |
string(4) "test" | |
["p"]=> | |
string(1) "1" | |
["test"]=> | |
string(15) "yourPostMessage" | |
["this"]=> | |
string(9) "isNotReal" | |
} | |
//うまくいかない場合: | |
2012-08-30 16:22:04.307 HelloMap[15400:15803] Reply: | |
array(0) { | |
} |
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この問題は解決しました!
問題はPHP側で($_POST)で値を取得すると
key=value
は解釈できるが、
{"key":"value"}
は解釈できないということのようでした。
PHP側でphp://inputを使って値を取得してもらうことで無事に解決しました。
参考URL: http://stackoverflow.com/questions/10645317/ios-5-sending-json-using-nsurlrequest-and-parsing-in-php-via-post