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网络数据请求

发布时间:2020-10-22 15:32:09 来源:网络 阅读:311 作者:天使的聆听 栏目:开发技术

   网络请求----请求微博信息:需要导入AFNetworking文件和UIKit+AFNetworking文件

  #import <Foundation/Foundation.h>

typedefvoid(^FinishDidBlock)(AFHTTPRequestOperation *operation,id result);

typedefvoid(^FailureBlock)(AFHTTPRequestOperation *operation,NSError *error);

@interface DataService : NSObject

+ (AFHTTPRequestOperation *)requestWithURL:(NSString *)url

                         params:(NSMutableDictionary *)paramsDic

                               httpmethod:(NSString *)httpMethod

 finishDidBlock:(FinishDidBlock)finishDidBlock

 failureBlock:(FailureBlock)failureBlock;

@end

#import "DataService.h"

//#import "AFNetworking.h"

 

#define BASE_URL @"https://open.weibo.cn/2/"

 

@implementationDataService

+ (AFHTTPRequestOperation *)requestWithURL:(NSString *)url

                        params:(NSMutableDictionary *)paramsDic

                                httpmethod:(NSString *)httpMethod

                  finishDidBlock:(FinishDidBlock)finishDidBlock

                          failureBlock:(FailureBlock)failureBlock

{

    if (paramsDic == nil) {

        paramsDic =[NSMutableDictionarydictionary];

    }

    //拼接URL

    NSMutableString *urlStr = [NSMutableStringstringWithFormat:@"%@%@",BASE_URL,url];

    //参数处理

    NSUserDefaults *defaults = [NSUserDefaultsstandardUserDefaults];

    NSDictionary *sinaWeiboInfo = [defaults objectForKey:@"SinaWeiboAuthData"];

    NSString *accessTokenKey =[sinaWeiboInfo objectForKey:@"AccessTokenKey"];

    if (accessTokenKey.length == 0) {

        returnnil;

    }

    [paramsDic setObject:accessTokenKey forKey:@"access_token"];

    //创建请求管理对象

    AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManagermanager];

    //设置请求数据的解析方式

    manager.requestSerializer = [AFHTTPRequestSerializerserializer];

    AFHTTPRequestOperation *operation = nil;

    if ([httpMethod isEqualToString:@"GET"]) {

        operation = [manager GET:urlStr parameters:paramsDic success:^(AFHTTPRequestOperation *operation, id responseObject) {

            //请求成功

            NSLog(@"AF-GET请求成功");

            //安全判断

            if (finishDidBlock) {

               finishDidBlock(operation,responseObject);

            }

        } failure:^(AFHTTPRequestOperation *operation, NSError *error) {

            //请求失败

            NSLog(@"AF-GET请求失败");

            //安全判断

            if (failureBlock) {

                failureBlock(operation,error);

            }

        }];

    }

    elseif ([httpMethod isEqualToString:@"POST"]){

        //POST请求

        BOOL isFile = NO;

        for (NSString *key in paramsDic) {

            id value = [paramsDic objectForKey:key];

            if ([value isKindOfClass:[NSDataclass]]) {

                //有文件类型的参数

                isFile = YES;

                break;

            }

        }

        if (!isFile) {

            //没有文件

            operation = [manager POST:urlStr parameters:paramsDic success:^(AFHTTPRequestOperation *operation, id responseObject) {

                //请求成功

                NSLog(@"AF-POST(非文件)请求成功");

                //安全判断

                if (finishDidBlock) {

                   finishDidBlock(operation,responseObject);

                }

            } failure:^(AFHTTPRequestOperation *operation, NSError *error) {

                //请求失败

                NSLog(@"AF-POST(非文件)请求失败");

                //安全判断

                if (failureBlock) {

                   failureBlock(operation,error);

                }

            }];

        } else  {

            //有文件

            operation = [manager POST:urlStr parameters:paramsDic constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {

                for (NSString *key in paramsDic) {

                    id value = [paramsDic objectForKey:key];

                    if ([value isKindOfClass:[NSDataclass]]) {

                        //formData表单中添加data数据

                        [formData appendPartWithFileData:value

              name:key fileName:key mimeType:@"p_w_picpath/jpeg"];

                    }

                }

            } success:^(AFHTTPRequestOperation *operation, id responseObject) {

                //请求成功

                NSLog(@"AF-POST(带文件)请求成功");

                //安全判断

                if (finishDidBlock) {

                   finishDidBlock(operation,responseObject);

                }

            } failure:^(AFHTTPRequestOperation *operation, NSError *error) {

                //请求失败

                NSLog(@"AF-POST(带文件)请求失败");

                //安全判断

                if (failureBlock) {

                    failureBlock(operation,error);

                }

            }];

        }

    }

    //设置返回数据的解析方式

    operation.responseSerializer = [AFJSONResponseSerializerserializerWithReadingOptions:NSJSONReadingMutableContainers];

    return operation;

}

@end


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