封装AFNetWorking 请求类

以AFNetworking 3.1.0为例，可以用 CocoaPods 把库导入到工程中。

接口请求基础类：

#import <Foundation/Foundation.h>
#import "AFHTTPSessionManager.h"


@interface ZLAppBaseService : NSObject

@property (nonatomic,strong)AFHTTPSessionManager *manager;
@property (nonatomic,copy) NSString *urlStr;//请求链接  //默认使用[SCSysconfig webAPI]作为根路径

@property(nonatomic,copy) NSString *action;         //操作名
@property(nonatomic,copy) NSString *service;        //服务名
@property(nonatomic,copy) NSString *method;         //方法名
@property(nonatomic,copy) NSString *downloadPath;   //下载文件保存地址,默认使用[SCSysconfig filePathByName:[self url]]
@property(nonatomic,strong) NSMutableDictionary *headers;  //头信息
@property(nonatomic,strong) NSMutableDictionary *params;   //传递参数


-(NSURLSessionDataTask *)requestMethodType:(NSString *)methodType    result:(void (^)(NSString *, NSString *))finish;
-(NSURLSessionDataTask *)getRequest:(void (^)(NSString *, NSString *))finish;
-(NSURLSessionDataTask *)postRequest:(void (^)(NSString *, NSString *))finish;


-(NSURLSessionDataTask *)upload:(void (^)(NSString *,NSString *))finish;
-(NSURLSessionDataTask *)uploadWithProgressBlock:(void (^)(NSProgress* , NSUInteger))progressBlock   finish:(void (^)(NSString *,NSString *))finish;

-(NSURLSessionDataTask *)download:(void (^)(NSString *,NSString *))finish;
-(NSURLSessionDataTask *)downloadWithProgressBlock:(void (^)(NSProgress* , NSUInteger))progressBlock   finish:(void (^)(NSString *,NSString *))finish;

@end






#import "ZLAppBaseService.h"

@interface AFHTTPSessionManager (Singleton)

+(instancetype)shareManager;

@end

@implementation AFHTTPSessionManager (Singleton)
+(instancetype)shareManager
{
    static  AFHTTPSessionManager *manager = nil;
    static  dispatch_once_t token ;
    dispatch_once(&token, ^{
        manager = [[AFHTTPSessionManager alloc] init];
        manager.responseSerializer = [AFHTTPResponseSerializer serializer];
        
    });
    
    return manager;
}
@end

@implementation ZLAppBaseService

-(id)init
{
    self = [super init];
    if (self) {
        _manager = [AFHTTPSessionManager shareManager];
        
            self.urlStr=defaultURL;//设置默认的请求链接
        
//        class_replaceMethod(toolClass, cusSEL, method_getImplementation(oriMethod), method_getTypeEncoding(oriMethod));
    }
    return self;
}





-(NSURLSessionDataTask *)requestMethodType:(NSString *)methodType    result:(void (^)(NSString *, NSString *))finish
{
    if ([methodType isEqualToString:@"GET"]) {
        return [self getRequest:finish];
    }else if ([methodType isEqualToString:@"POST"]){
        return [self postRequest:finish];
    }
    return nil;
}

#pragma mark -----------   get请求  -------------------------

-(NSURLSessionDataTask *)getRequest:(void (^)(NSString *, NSString *))finish
{
    
    return [self.manager GET:[self generateURL] parameters:self.params progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        if (finish) {//如果实现finish block块
            NSString *responseString = [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding];
            finish(responseString,nil);

        }
        
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"请求失败\n%@\n%@",[self description],[error description]);
        if(finish){
            finish(nil,@"请求失败");
        }
    }];
}

#pragma mark -----------   post请求  -------------------------

-(NSURLSessionDataTask *)postRequest:(void (^)(NSString *, NSString *))finish
{
    
    return [self.manager POST:[self generateURL] parameters:self.params progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        
        if (finish) {//如果实现finish block块
            NSString *responseString = [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding];
            finish(responseString,nil);
            
        }
        
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        
        NSLog(@"请求失败\n%@\n%@",[self description],[error description]);
        if(finish){
            finish(nil,@"请求失败");
        }
        
    }];
}

#pragma mark -----------   上传  -------------------------


-(NSURLSessionDataTask *)upload:(void (^)(NSString *,NSString *))finish
{
    return [self uploadWithProgressBlock:nil finish:finish];
}


-(NSURLSessionDataTask *)uploadWithProgressBlock:(void (^)(NSProgress* , NSUInteger))progressBlock finish:(void (^)(NSString *,NSString *))finish
{
    
    return   [self.manager POST:[self generateURL] parameters:self.params
      progress:^(NSProgress * _Nonnull uploadProgress) {
          
          if (progressBlock) {
              
              NSInteger pro = uploadProgress.fractionCompleted*100 ;
              NSLog(@"上传进度百分比 ----     %f%%",pro);
              NSLog(@"上传进度 ----     %lld",uploadProgress.completedUnitCount);
              
              if (progressBlock) {
                  progressBlock(uploadProgress,pro);
              }
          }
          
          
    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        if (finish) {//如果实现finish block块
            NSString *responseString = [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding];
            finish(responseString,nil);
        }
        
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"请求失败\n%@\n%@",[self description],[error description]);
        if(finish){
            finish(nil,@"请求失败");
        }
        
    }];
    
}

#pragma mark --------------  下载  ----------------------
-(NSURLSessionDataTask *)download:(void (^)(NSString *, NSString *))finish
{
    return [self downloadWithProgressBlock:nil finish:finish];
}

-(NSURLSessionDataTask *)downloadWithProgressBlock:(void (^)(NSProgress* , NSUInteger))progressBlock  finish:(void (^)(NSString *, NSString *))finish
{
    
    return   [self.manager GET:[self generateURL] parameters:nil progress:^(NSProgress * _Nonnull downloadProgress) {
        NSInteger pro = downloadProgress.fractionCompleted*100 ;
        NSLog(@"下载进度百分比 ----     %ld%%",(long)pro);
        NSLog(@"下载进度 ----     %lld",downloadProgress.completedUnitCount);
        if (progressBlock) {
            progressBlock(downloadProgress,pro);
        }
        
    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        if (finish) {
            NSLog(@"下载完成 --- %@ ",responseObject);
            finish(responseObject,nil);
        }
        
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"请求失败\n%@\n%@",[self description],[error description]);
        if(finish){
            finish(nil,@"请求失败");
        }
    }];
}




-(void)setUrlStr:(NSString *)urlStr{
    if([urlStr isNotEmpty] && ![urlStr hasPrefix:@"http://"] && ![urlStr hasPrefix:@"https://"]){
        urlStr=[@"http://" stringByAppendingString:urlStr];
    }
    _urlStr=urlStr;
}

-(NSString *)generateURL{
    NSMutableString *url=[NSMutableString string];
    if(_urlStr){
        [url appendString:_urlStr];
    }
    if(_action){
        [url appendFormat:@"/%@",_action];
    }
    //c#
    if(_service){
        [url appendFormat:@"/%@",_service];
        if(_method){
            [url appendFormat:@"/%@",_method];
        }
    }
    //java
    else{
        if(_method){
            [url appendFormat:@"/%@",_method];
        }
    }
    
    return url;
}

-(NSString *)description{
    NSString *urlStr=[self generateURL];
    NSURL *url=[NSURL URLWithString:urlStr relativeToURL:[NSURL URLWithString:defaultURL]];
    urlStr=url.absoluteString;
    NSMutableArray *arr=[NSMutableArray new];
    for(NSString *key in [_params allKeys]){
        NSString *str=[key stringByAppendingFormat:@"=%@",[_params[key] isNotEmpty]?_params[key]:@""];
        [arr addObject:str];
    }
    NSString *params=[arr componentsJoinedByString:@"&"];
    if(params){
        urlStr=[urlStr stringByAppendingFormat:@"?%@",params];
    }
    return urlStr;
}


@end

model类

关于用 JSONModel 的好处可以参考：https://www.jianshu.com/p/3cce56f374b4

#import <Foundation/Foundation.h>
#import "JSONModel.h"

@interface ZLJSONModel : JSONModel

@end


@interface ZLDataResult : NSObject
@property (nonatomic,assign)int ResultCode;//请求状态
@property (nonatomic,strong )id Value;
@property (nonatomic,copy)NSString  *ResultMessage;
@property (nonatomic,copy)NSString  *SynDate;

@end


@interface ZLUserInfo : ZLJSONModel

@property (nonatomic,assign) int IsVisitor;
@property (nonatomic,assign) int allscore;
@property (nonatomic,assign) int nextscore;
@property (nonatomic,assign) int syscore;
@property (nonatomic,assign) long userid;
@property (nonatomic,assign) long xxtclasscode;
@property (nonatomic,assign) int usertype;
@property (nonatomic,assign) int vip;
@property (nonatomic,copy)NSString  *babyname;
@property (nonatomic,copy)NSString  *babypic;
@property (nonatomic,copy)NSString  *truename;
@property (nonatomic,assign) int casteid;
@property (nonatomic,assign) int classid;
@property (nonatomic,assign) int daynum;
@property (nonatomic,assign) int grade;
@property (nonatomic,assign) int haveprize;
@property (nonatomic,copy)NSString  *payendtime;
@property (nonatomic,assign)long  schoolcode;
@property (nonatomic,copy)NSString  *schoolname;
@property (nonatomic,copy)NSString  *stuclass;
@property (nonatomic,assign)long  sex;
@property (nonatomic,copy)NSString  *teapower;

@end

/*
    广告
 */
@interface ZLAdvertisement : ZLJSONModel
@property (nonatomic,assign)int id;
@property (nonatomic,assign)int type;
@property (nonatomic,copy) NSString *img_url;
@property (nonatomic,copy) NSString *title;
@property (nonatomic,copy) NSString *html_jump_url;//点击广告后跳转的详情页链接   使用key映射后的字段
@property (nonatomic,assign) int html_jump_type;//点击广告后跳转的类型  使用key映射后的字段
@property (nonatomic,copy) NSString *start_time;
@property (nonatomic,copy) NSString *end_time;
@end





#import "ZLDataDefine.h"


@implementation ZLJSONModel

+ (BOOL)propertyIsOptional:(NSString *)propertyName {
    return YES;
}

@end

@implementation ZLDataResult

@end

@implementation ZLUserInfo

@end

@implementation  ZLAdvertisement

/**
 JSONModel 中 的  key映射

 @return JSONKeyMapper
 */
+(JSONKeyMapper *)keyMapper
{
    return [[JSONKeyMapper alloc] initWithModelToJSONDictionary:@{@"list.extra.url":@"html_jump_url",@"list.extra.jump_type":@"html_jump_type"}];
}
@end

上面ZLAdvertisement 的keyMapper中的映射可供参考的请求数据结果：
{
"status": 1,
"error": "",
"data": {
"timestamp": 1538476302,
"list": [{
"start_time": 1538409600,
"end_time": 1538668800,
"title": "音乐故事Vol.134 有时差的爱情，你早，我晚",
"id": 645,
"type": 4,
"img_url": "http://imge.kugou.com/v2/mobile_class_banner/1bafcec5956263a3f084abd65d0d8aae.jpg",
"extra": {
"url": "http://tpl.mobile.kugou.com/topic/5bb09adadea80b1dde66172b.html",
"jump_type": 0
}
} ]
},
"errcode": 0
}

接口解析类

#import <Foundation/Foundation.h>

/**
 *  接口数据解析类
 */
@interface ZLProtocolParser : NSObject

/**
 解析请求结果

 @param reponseDic 网络请求的 数据结果
 @param className 你想要解析成的对象
 @return ZLDataResult
 */
+(ZLDataResult *)parserObject:(NSDictionary *)reponseDic WithClass:(Class)className;

/**
 解析请求结果

 @param responseDic 网络请求的 数据结果
 @param name 通过name字段进行获取数据
 @param className 你想要解析成的对象
 @return ZLDataResult
 */
+ (ZLDataResult *)parseObject:(NSDictionary *)responseDic objectName:(NSString *)name withClass:(Class)className;

/**
 解析请求结果
 
 @param responseDic 网络请求的 数据结果
 @param className 你想要解析成的对象
 @return ZLDataResult
 */
+ (ZLDataResult *)parseArray:(NSDictionary *)responseDic withClass:(Class)className;
/**
 解析请求结果
 
 @param responseDic 网络请求的 数据结果
 @param name 通过name字段进行获取数据
 @param className 你想要解析成的对象
 @return ZLDataResult
 */
+ (ZLDataResult *)parseArray:(NSDictionary *)responseDic listName:(NSString *)name withClass:(Class)className;

+ (NSDictionary *)parseDictionary:(NSString *)response;

@end





#import "ZLProtocolParser.h"

@implementation ZLProtocolParser
+(ZLDataResult *)parserObject:(NSDictionary *)responseDic WithClass:(Class)className
{
    ZLDataResult *result = [[ZLDataResult alloc] init];
    result.ResultCode = [responseDic[@"ResultCode"] intValue];
    result.ResultMessage = responseDic[@"ResultMessage"];
    result.SynDate = responseDic[@"SynDate"];
    
    NSError *error = nil;
    JSONModel *data = [[className alloc] initWithDictionary:responseDic error:&error];
    if (error) {
        NSLog(@"ERROR [parseObject:withClass:] \n%@",error);
        return result;
    }
    
    result.Value = data;
    return result;
}
+ (ZLDataResult *)parseObject:(NSDictionary *)responseDic objectName:(NSString *)name withClass:(Class)className {
    ZLDataResult *result = [[ZLDataResult alloc] init];
    result.ResultCode = [responseDic[@"ResultCode"] intValue];
    result.ResultMessage = responseDic[@"ResultMessage"];
    result.SynDate = responseDic[@"SynDate"];
    
    
    
    NSDictionary *dataDic = responseDic[name];
    NSError *error = nil;
    JSONModel *data = [[className alloc] initWithDictionary:dataDic error:&error];
    if (error) {
        NSLog(@"ERROR [parseObject:withClass:] \n%@",error);
        return result;
    }
    
    result.Value = data;
    return result;
}


+ (ZLDataResult *)parseArray:(NSDictionary *)responseDic withClass:(Class)className {
    return [self parseArray:responseDic listName:@"list" withClass:className];
}

+ (ZLDataResult *)parseArray:(NSDictionary *)responseDic listName:(NSString *)name withClass:(Class)className {
    ZLDataResult *result = [[ZLDataResult alloc] init];
    result.ResultCode = [responseDic[@"ResultCode"] intValue];
    result.ResultMessage = responseDic[@"ResultMessage"];
    result.SynDate = responseDic[@"SynDate"];
    
    NSArray *arr = responseDic[name];
    NSError *error = nil;
    NSMutableArray *resultArr = [NSMutableArray new];
    for (NSDictionary *dic in arr) {
        JSONModel *modelData = [[className alloc] initWithDictionary:dic error:&error];
        [resultArr addObject:modelData];
        if (error) {
            NSLog(@"ERROR [parseArray:withClass:] \n%@",error);
            return result;
        }
    }
    result.Value= resultArr;
    return result;
}

+ (NSDictionary *)parseDictionary:(NSString *)response {
    NSData *data = [response dataUsingEncoding:NSUTF8StringEncoding];
    NSError *error = nil;
    id obj = [NSJSONSerialization JSONObjectWithData:data
                                             options:kNilOptions
                                               error:&error];
    if (error) {
        NSLog(@"ERROR [parseDictionary:] \n%@",error);
        return nil;
    }
    return obj;
}

@end

接口请求类（所有接口请求放在同一个类中，方便管理）

#import <Foundation/Foundation.h>


/**
 网络请求数据回调block

 @param result 服务器响应数据源
 */
typedef void(^DataHandle)(ZLDataResult *result);


@interface ZLProtocolInterface : NSObject


/**
 登录

 @param userpwd 账号
 @param userpwd 密码
 @param dataHandle 返回值
 */
+(void)reqLoginNew:(NSString *)username  userpwd:(NSString *)userpwd  completion:(DataHandle)dataHandle;

/**
 广告

 @param dataHandle 返回值
 */
+(void)reqAdvertisementWithAction:(DataHandle)dataHandle;




#pragma mark ------------ 听吧 --------------

/**
 推荐歌单

 @param type 歌单类型
 @param page 页数
 @param pages 一页数据的个数
 @param dataHandle 返回值
 */
+(void)reqMusicSheetListWithType:(NSInteger)type page:(int)page    pages:(int)pages completion:(DataHandle)dataHandle;

/**
 热门歌曲

 @param dataHandle 返回值
 */
+(void)reqMusicHotList:(DataHandle)dataHandle;


/**
 收藏列表

 @param userid 用户id
 @param typeid 收藏歌曲类型id
 @param page 页数
 @param pages 一页数据的个数
 @param dataHandle 返回值
 */
+(void)reqCollectionList:(NSString *)userid   typeid:(long)typeid
page:(int)page    pages:(int)pages  completion:(DataHandle)dataHandle;

/**
 播放歌曲的历史记录

 @param userid 用户id
 @param page 页数
 @param pages 一页数据的个数
 @param dataHandle 返回值
 */
+(void)reqMusicHistoryListNew:(NSString *)userid  page:(int)page    pages:(int)pages  completion:(DataHandle)dataHandle;

@end



#import "ZLProtocolInterface.h"

@implementation ZLProtocolInterface


/**
 网络请求

 @param action 请求的 操作名（服务器名）
 @param method 请求的 方法名
 @param params 请求 字段
 @param finish 请求 结果
 */
+ (void)reqWithAction:(NSString *)action method:(NSString *)method  params:(NSDictionary *)params methodType:(NSString *)methodType finish:(void (^)(id))finish {
    ZLAppBaseService *service = [[ZLAppBaseService alloc] init];
    service.action = action;
    service.method = method;
    service.params = [params mutableCopy];
    [service requestMethodType:@"GET" result:^(NSString *response, NSString *error) {
        
        if (error) {
            NSLog(@"Error [reqWithAction:method:params:finish:]\n%@",error);
            finish(nil);
        }else {
            NSDictionary *resultDic = [ZLProtocolParser parseDictionary:response];
            finish(resultDic);
        }
    }];
    
}

+ (void)reqWithURL:(NSString *)url  params:(NSDictionary *)params
            methodType:(NSString *)methodType finish:(void (^)(id))finish {
    ZLAppBaseService *service = [[ZLAppBaseService alloc] init];
    service.urlStr = url;
    service.params = [params mutableCopy];
    [service requestMethodType:methodType result:^(NSString *response, NSString *error) {
        
        if (error) {
            NSLog(@"Error [reqWithAction:method:params:finish:]\n%@",error);
            finish(nil);
        }else {
            NSDictionary *resultDic = [ZLProtocolParser parseDictionary:response];
            finish(resultDic);
        }
    }];
}

+ (void)reqWithURL:(NSString *)url params:(NSDictionary *)params    uploadWithProgress:(void (^)(NSProgress* , NSUInteger))progressBlock finish:(void (^)(id))finish {
    ZLAppBaseService *service = [[ZLAppBaseService alloc] init];
    service.urlStr = url;
    service.params = [params mutableCopy];
    
    [service uploadWithProgressBlock:^(NSProgress *progress, NSUInteger completedUnitCount) {
        progressBlock(progress,completedUnitCount);
        
    } finish:^(NSString *response, NSString *error) {
        if (error) {
            NSLog(@"Error [reqWithURL:params:finish:]\n%@",error);
            finish(nil);
        }else {
            NSDictionary *resultDic = [ZLProtocolParser parseDictionary:response];
            finish(resultDic);
        }
    }];
    
}

+ (void)reqWithURL:(NSString *)url params:(NSDictionary *)params    downloadWithProgress:(void (^)(NSProgress* , NSUInteger))progressBlock finish:(void (^)(id))finish {
    ZLAppBaseService *service = [[ZLAppBaseService alloc] init];
    service.urlStr = url;
    service.params = [params mutableCopy];
    
    [service downloadWithProgressBlock:^(NSProgress *progress, NSUInteger completedUnitCount) {
        progressBlock(progress,completedUnitCount);
        
    } finish:^(NSString *response, NSString *error) {
        if (error) {
            NSLog(@"Error [reqWithURL:params:finish:]\n%@",error);
            finish(nil);
        }else {
            NSDictionary *resultDic = [ZLProtocolParser parseDictionary:response];
            finish(resultDic);
        }
    }];
    
}


#pragma mark------ 登录 ----------

+(void)reqLoginNew:(NSString *)username  userpwd:(NSString *)userpwd  completion:(DataHandle)dataHandle
{
    NSString *token =   GET_DeviceToken;
    
    NSDictionary *params = @{
                             @"username" : username,
                             @"userpwd" : userpwd,
                             @"token"    : token
                             };
    
    [self reqWithAction:nil method:@"LoginNew" params:params methodType:@"GET" finish:^(id resultDic) {
        ZLDataResult *result = [ZLProtocolParser parseArray:resultDic listName:@"Value" withClass:[ZLUserInfo class]];
        
        dataHandle(result);
        NSLog(@"登录结果=====%@",resultDic);
    }];
    
}

@end

最后编辑于：2018.10.05 21:14:34

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