NSString *urlstr = [NSString stringWithFormat:@"%@%@",BASE_API_URL,rqSaveAll];
NSURL *url = [NSURL URLWithString:urlstr];
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10];
[request setHTTPMethod:@"POST"];
NSString *str = [CommonUtil toJSONData:arr];
NSData *data = [str dataUsingEncoding:NSUTF8StringEncoding];
[request setHTTPBody:data];
[request addValue:@"application/json; charset=utf-8" forHTTPHeaderField:@"Content-Type"];
NSData *pData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
NSString *receive = [[NSString alloc] initWithData:pData encoding:NSUTF8StringEncoding];
NSLog(@"receive－－－－－－－%@",receive);
