NSMutableURLRequest POST

      -(NSString *)GetReturnFromPost:(NSString*)urlStr  postData:(NSString*)_postData
      {
         NSData *postData = [_postData dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];
         NSString *postLength = [NSString stringWithFormat:@"%d", [postData length]];
         NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] init] autorelease];
          [request setURL:[NSURL URLWithString:urlStr]];
          [request setHTTPMethod:@"POST"];
          [request setValue:postLength forHTTPHeaderField:@"Content-Length"];
          [request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
          [request setHTTPBody:postData];
         //[NSURLConnection connectionWithRequest:request delegate:self ];
         //同步请求的的代码
         //returnData就是返回得到的数据
         NSData *returnData =[NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
         return [[NSString alloc]initWithData:returnData encoding:NSUTF8StringEncoding];
      }
  
 

  
 
 

文章来源: zzzili.blog.csdn.net，作者：清雨小竹，版权归原作者所有，如需转载，请联系作者。

原文链接：zzzili.blog.csdn.net/article/details/19089229