终于理解POST请求和批量获取数据

前台界面先写好需要的参数DIC

#pragma mark 进入界面先刷新数据

-(void)loadData{

    

    NSDictionary *dic1 = @{@"userid":USER_ID,@"current":@"1"};//柚柚

    NSDictionary *dic2 = @{@"userid":USER_ID};//推荐同学3行

    NSDictionary *dic3 = @{@"userid":USER_ID};//推荐同学6图

    NSDictionary *dic4 = @{};//热门话题

    NSDictionary *dic5 = @{};//热门活动

    NSDictionary *dic6 = @{};//热门院校

    NSDictionary *dic7 = @{@"sex":@"1"};//秘柚

    NSDictionary *dic8 = @{};//封面人物

    NSArray *urls = @[dic1,dic2,dic3,dic4,dic5,dic6,dic7,dic8];

//类方法  传人参数是数组

    [AFModel batchRequest:urls success:^(id json) {

       //请求完成执行的操作

             } faile:^{

        //失败

    }];

}

#pragma mark 以队列方式请求数据

+(void)batchRequest:(NSArray *)requestAry success:(void(^)(id json))success faile:(void(^)())fail{

    //推荐好友3行

    //推荐好友3行

    //热门话题

    //热门活动

    //热门院校

    //秘柚

    //封面人物

    

   //URL数组

    NSArray *urlAry = @[[NSString stringWithFormat:@"%@%@",URL_ROOT212,URL_GETSUB],

                        [NSString stringWithFormat:@"%@%@",URL_ROOT212,URL_HY_SUB_3],

                        [NSString stringWithFormat:@"%@%@",URL_ROOT212,URL_HY_SUB_6],

                        [NSString stringWithFormat:@"%@%@",URL_ROOT212,URL_TOPIC],

                        [NSString stringWithFormat:@"%@%@",URL_ROOT212,URL_ACTIVITY],

                        [NSString stringWithFormat:@"%@%@",URL_ROOT212,URL_SCHOOL],

                        [NSString stringWithFormat:@"%@%@",URL_ROOT212,URL_MIYOU],

                        [NSString stringWithFormat:@"%@%@",URL_ROOT212,URL_FENGMIAN],

                        ];

    

    NSMutableArray *operationsAry = [NSMutableArray array];

    for (int i = 0; i<requestAry.count; i++) {

        NSString * str = @"";

        if ([requestAry[i] count]  > 0) {

            for (NSString *key in [requestAry[i] allKeys]) {

        //拼接参数

                str = [str stringByAppendingFormat:@"&%@=%@",key,[requestAry[i] valueForKey:key]];

            }

        }

         //post请求的参数必须是NSData类型

        NSData *formData = [str dataUsingEncoding:NSUTF8StringEncoding];

       

        //gitHub上ANF文档关于批量请求的request初始化如下

        NSMutableURLRequest *request = [[AFHTTPRequestSerializer serializer] multipartFormRequestWithMethod:@"POST" URLString:urlAry[i] parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {

        } error:nil];

        

        [request addValue:[MD5_Sha1 returnBase64] forHTTPHeaderField:HTTPHEADER];

        //加密

        [request setHTTPBody:formData];

        //operation初始化

        AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];

       

       //讲请求添加到请求的数组  不是队列

        [operationsAry addObject:operation];

    }

   //把请求的数组作为参数  调用AFN方法

    NSArray *operations =  [AFURLConnectionOperation batchOfRequestOperations:operationsAry progressBlock:^(NSUInteger numberOfFinishedOperations, NSUInteger totalNumberOfOperations) {

       

      //请求进度

    } completionBlock:^(NSArray *operations) {

        

        NSMutableArray *resultAry = [NSMutableArray array];

       

       //便利请求完成返回的数组

        for(AFHTTPRequestOperation *operation in operations){

        //判断非空

            if (operation.responseObject==nil) {

                NSLog(@"请求数据为空！~ ");

            }

            else{

         // JSON化

                NSMutableArray* json = [NSJSONSerialization JSONObjectWithData:operation.responseObject options:NSJSONReadingMutableContainers error:nil];

                    [resultAry addObject:json];

            }

        }

       //将值传回界面

        success(resultAry);

        NSLog(@"All operations in batch complete");

    }];

    

    [[NSOperationQueue mainQueue] addOperations:operations waitUntilFinished:NO];

}