网络请求封装

作者: 一只不靠谱的猿_ | 来源:发表于2016-06-03 08:55 被阅读330次

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新建NetTool文件继承于NSObject在里面进行网络请求的封装

NetTool.h

定义两个枚举类型然后重命名两个block

  //get&post用枚举来展示数据类型
  typedef NS_ENUM(NSUInteger, WSSResponseStyle) {
  WSSJSON,
  WSSDATA,
  WSSXML,
  };

  //POST里body类型的枚举
  typedef NS_ENUM(NSUInteger, WSSRequestStyle) {
  WSSBodyJSON,
  WSSBodyString,
  };

  //重定义成功和失败的block
  typedef void(^blockofSuccess)(id result);
  typedef void(^blockofFailure)(NSError *error);

  @interface WSSNetTool : NSObject

定义方法,分别是简单GET请求,简单POST请求,带加载小菊花的GET请求

  //对AFN再进行GET封装,方便自己使用
  + (void)GetNetByURL:(NSString *)urlString
                 body:(id)body//GET的body体
              headers:(NSDictionary *)headers//请求头
             response:(WSSResponseStyle)response//枚举类型
              success:(blockofSuccess)success//成功之后返回这个block
              failure:(blockofFailure)failure;//想要返回的数据类型(枚举类型的JSON/DATA/XML)
                                              //失败之后返回这个block,可以在里面打印error了解请求失败的原因

  //对AFN再进行POST封装,方便自己使用
  + (void)PostNetByURL:(NSString *)urlString
                 body:(id)body//POST的body体
            bodyStyle:(WSSRequestStyle)bodyStyle//body类型(枚举值)
              headers:(NSDictionary *)headers//请求头
             response:(WSSResponseStyle)response
              success:(blockofSuccess)success
              failure:(blockofFailure)failure;//想要返回的数据类型(枚举类型的JSON/DATA/XML)

  //有小菊花的get封装
  + (void)GetNet2ByURL:(NSString *)urlString
                 body:(id)body//GET的body体
              headers:(NSDictionary *)headers//请求头
             response:(WSSResponseStyle)response
              success:(blockofSuccess)success
              failure:(blockofFailure)failure
             selfView:(UIView *)selfView;

NetTool.m

简单GET请求的实现

+(void)GetNetByURL:(NSString *)urlString body:(id)body headers:(NSDictionary *)headers response:(WSSResponseStyle)response success:(blockofSuccess)success failure:(blockofFailure)failure
{
    //1.获取网络管理者
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    
    //2.请求头的设置
    if (headers)//如果有请求头
    {
        for (NSString *key in headers.allKeys)
        {
            [manager.requestSerializer setValue:headers[key] forHTTPHeaderField:key];
        }
    }
    
    //3.设置返回数据的类型
    switch (response)
    {
        case WSSJSON:
            manager.responseSerializer = [AFJSONResponseSerializer serializer];
            break;
        case WSSXML:
            manager.responseSerializer = [AFXMLParserResponseSerializer serializer];
            break;
        case WSSDATA:
            manager.responseSerializer = [AFHTTPResponseSerializer serializer];
            break;
            
        default:
            break;
    }
    
    //4.设置响应数据的类型
    [manager.responseSerializer setAcceptableContentTypes:[NSSet setWithObjects:@"application/json", @"text/json", @"text/javascript",@"text/html",@"text/css",@"text/plain", @"application/javascript",@"image/jpeg", @"text/vnd.wap.wml", nil]];

    //5.若有汉语进行UTF8转码(这个方法是iOS9之后的方法)
    urlString = [urlString stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
    

    //6.发送请求
    [manager GET:urlString parameters:body progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        //成功block回调
        success(responseObject);
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"失败原因:%@", error);
        //失败block回调
        failure(error);
    }];
}

简单POST请求的实现

+ (void)PostNetByURL:(NSString *)urlString body:(id)body bodyStyle:(WSSRequestStyle)bodyStyle headers:(NSDictionary *)headers response:(WSSResponseStyle)response success:(blockofSuccess)success failure:(blockofFailure)failure
{
    //1.获取网络管理者
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    
    //2.设置body数据类型
    switch (bodyStyle) {
        case WSSBodyJSON:
            manager.requestSerializer = [AFJSONRequestSerializer serializer];
            break;
        case WSSBodyString:
            [manager.requestSerializer setQueryStringSerializationWithBlock:^NSString * _Nonnull(NSURLRequest * _Nonnull request, id  _Nonnull parameters, NSError * _Nullable * _Nullable error) {
                return parameters;
            }];
            break;
            
        default:
            break;
    }
    
    //3.请求头的设置
    if (headers)//如果有请求头
    {
        for (NSString *key in headers.allKeys)
        {
            [manager.requestSerializer setValue:headers[key] forHTTPHeaderField:key];
        }
    }
    
    //4.设置返回数据的类型
    switch (response) {
        case WSSJSON:
            manager.responseSerializer = [AFJSONResponseSerializer serializer];
            break;
        case WSSXML:
            manager.responseSerializer = [AFXMLParserResponseSerializer serializer];
            break;
        case WSSDATA:
            manager.responseSerializer = [AFHTTPResponseSerializer serializer];
            break;
            
        default:
            break;
    }
    
    //5.设置响应数据的类型
    [manager.responseSerializer setAcceptableContentTypes:[NSSet setWithObjects:@"application/json", @"text/json", @"text/javascript",@"text/html",@"text/css",@"text/plain", @"application/javascript",@"image/jpeg", @"text/vnd.wap.wml", nil]];
    
    //设置可请求https
    manager.securityPolicy.allowInvalidCertificates = YES;
    
    //6.若有汉语进行UTF8转码(这个方法是iOS9之后的方法)
    urlString = [urlString stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
    
    //7.发送请求
    [manager POST:urlString parameters:body progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        //成功block回调
        success(responseObject);
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"失败原因:%@", error);
        //失败block回调
        failure(error);
    }];
}

带有加载小菊花的GET请求的实现
ps:这个方法的参数多了一个self.view是为了实现加载小菊花的添加以及加载结束小菊花的remove

+ (void)GetNet2ByURL:(NSString *)urlString body:(id)body headers:(NSDictionary *)headers response:(WSSResponseStyle)response success:(blockofSuccess)success failure:(blockofFailure)failure selfView:(UIView *)selfView
{

    
    //1.获取网络管理者
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    
    //2.请求头的设置
    if (headers)//如果有请求头
    {
        for (NSString *key in headers.allKeys)
        {
            [manager.requestSerializer setValue:headers[key] forHTTPHeaderField:key];
        }
    }
    
    //3.设置返回数据的类型
    switch (response)
    {
        case WSSJSON:
            manager.responseSerializer = [AFJSONResponseSerializer serializer];
            break;
        case WSSXML:
            manager.responseSerializer = [AFXMLParserResponseSerializer serializer];
            break;
        case WSSDATA:
            manager.responseSerializer = [AFHTTPResponseSerializer serializer];
            break;
            
        default:
            break;
    }
    
    //4.设置响应数据的类型
    [manager.responseSerializer setAcceptableContentTypes:[NSSet setWithObjects:@"application/json", @"text/json", @"text/javascript",@"text/html",@"text/css",@"text/plain", @"application/javascript",@"image/jpeg", @"text/vnd.wap.wml", nil]];
    
    //5.若有汉语进行UTF8转码(这个方法是iOS9之后的方法)
    urlString = [urlString stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
    

    //添加菊花
    MBProgressHUD *mbView = [MBProgressHUD showHUDAddedTo:selfView animated:YES];
    mbView.detailsLabelText = @"请耐心等待,网络加载中";
    
    //6.发送请求
    [manager GET:urlString parameters:body progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        //成功block回调
        success(responseObject);
        //取消菊花
        [mbView hide:YES];

    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"失败原因:%@", error);
        //取消菊花
        [mbView hide:YES];
        //失败block回调
        failure(error);
    }];
}

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