在做app应用的时候，需要将数据提交到服务器去存储，那么方法可以参考如下

来源：互联网发布：java 字符型二维数组编辑：程序博客网时间：2024/05/17 08:11
http://www.gowhich.com/blog/186
//参数1名字=参数1数据&参数2名字＝参数2数据&参数3名字＝参数3数据&...NSString *postString = [NSString stringWithFormat:@"app_key=XXXXXXXXXXXXXXXXXX"];postString = [postString stringByAppendingString:[NSString stringWithFormat:@"&device_token=%@",deviceId]];postString = [postString stringByAppendingString:[NSString stringWithFormat:@"&teleplay_title=%@",title]];postString = [postString stringByAppendingString:[NSString stringWithFormat:@"&job_type=%@",type]];postString = [postString stringByAppendingString:[NSString stringWithFormat:@"&deadline=%@",time]];postString = [postString stringByAppendingString:[NSString stringWithFormat:@"&age=%@",age]];postString = [postString stringByAppendingString:[NSString stringWithFormat:@"&sex=%@",sex]];postString = [postString stringByAppendingString:[NSString stringWithFormat:@"&people_num=%@",num]];postString = [postString stringByAppendingString:[NSString stringWithFormat:@"&contact_person=%@",person]];postString = [postString stringByAppendingString:[NSString stringWithFormat:@"&contact=%@",phone]];postString = [postString stringByAppendingString:[NSString stringWithFormat:@"&description=%@",description]];NSLog(@"postString:%@",postString);//将NSSrring格式的参数转换格式为NSData，POST提交必须用NSData数据。NSData *postData = [postString dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:YES];//计算POST提交数据的长度NSString *postLength = [NSString stringWithFormat:@"%d",[postData length]];NSLog(@"postLength=%@",postLength);//定义NSMutableURLRequestNSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];//设置提交目的url[request setURL:[NSURL URLWithString:[NSString stringWithFormat:@"http://www.baidu.com"]]];//设置提交方式为 POST[request setHTTPMethod:@"POST"];//设置http-header:Content-Type//这里设置为 application/x-www-form-urlencoded ，如果设置为其它的，比如text/html;charset=utf-8，或者 text/html 等，都会出错。不知道什么原因。[request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];//设置http-header:Content-Length[request setValue:postLength forHTTPHeaderField:@"Content-Length"];//设置需要post提交的内容[request setHTTPBody:postData];//定义NSHTTPURLResponse* urlResponse = nil;NSError *error = [[NSError alloc] init];//设置网络状态显示[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;//同步提交:POST提交并等待返回值（同步），返回值是NSData类型。NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&urlResponse error:&error];//将NSData类型的返回值转换成NSString类型//    NSString *result = [[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding];//将NSData装换为字典类型NSError *jsonError = [[NSError alloc] init];NSDictionary *personDictionary = [NSJSONSerialization JSONObjectWithData:responseData                                                                 options:NSJSONReadingMutableContainers                                                                   error:&jsonError];NSString *status = [personDictionary objectForKey:@"status"];if ([@"ok" compare:status] == NSOrderedSame) {    [UIApplication sharedApplication].networkActivityIndicatorVisible = NO;    return YES;}return NO;
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