Model.h

#import <Foundation/Foundation.h>
typedef void(^HouBlock)(NSDictionary *relust);
@interface Hou : NSObject
//解析方法
+(void) httpGet:(NSString *)UrlString Cyy:(NSDictionary *) paramneters relust:(HouBlock)relust;
@end

Model.m

#import "Hou.h"

#import "AFNetworking.h"

@implementation Hou

+(void)httpGet:(NSString *)UrlString Cyy:(NSDictionary *)paramneters relust:(HouBlock)relust

{

    AFHTTPSessionManager *Manger=[AFHTTPSessionManager manager];

    Manger.responseSerializer = [AFHTTPResponseSerializer serializer];

    [Manger GET:UrlString parameters:paramneters progress:^(NSProgress * _Nonnull downloadProgress) {

    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {

        id obj = [NSJSONSerialization JSONObjectWithData:responseObject options:0 error:NULL];

//        NSDictionary *dict = obj[@"weatherinfo"];

        relust(obj);

    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {

    }];

}

@end

获取网络数据

//获取网址数据

    NSString *url=@"http://app.cad.com.cn/cad.php?method=channel&cid=88&page=1&limit=10";

    [Hou httpGet:url Cyy:nil relust:^(NSDictionary *relust) {

        NSArray *arr=relust[@"data"];

        _arraya = [[NSMutableArray alloc] init];

//        NSLog(@"%@",arr);

        for (int i=0; i