[iOS微博项目 - 3.3] - 封装网络请求

github: https://github.com/hellovoidworld/HVWWeibo

 

A.封装网络请求

1.需求

为了避免代码冗余和对于AFN框架的多处使用导致耦合性太强，所以把网络请求封装成自己的工具类，以后便于更换网络框架。

 

2.思路

创建一个自定义工具类，提供类方法来实现网络请求

 

3.实现

 //
 //  HVWNetworkTool.h
 //  HVWWeibo
 //
 //  Created by hellovoidworld on 15/2/9.
 //  Copyright (c) 2015年 hellovoidworld. All rights reserved.
 //

 #import <Foundation/Foundation.h>

 @interface HVWNetworkTool : NSObject

 /** get方法发送请求 */
 + (void) get:(NSString *)url parameters:(NSDictionary *)parameters success:(void (^)(id responseObject))success failure:(void (^)(NSError *error)) failure;

 /** post方法发送请求 */
 + (void) post:(NSString *)url parameters:(NSDictionary *)parameters success:(void (^)(id responseObject))success failure:(void (^)(NSError * error))failure;

 /** post方法发送请求（带文件数据) */
 + (void) post:(NSString *)url parameters:(NSDictionary *) parameters filesData:(NSArray *)filesData success:(void (^)(id responseObject))success failure:(void (^)(NSError *error))failure;

 @end

 

 //
 //  HVWNetworkTool.m
 //  HVWWeibo
 //
 //  Created by hellovoidworld on 15/2/9.
 //  Copyright (c) 2015年 hellovoidworld. All rights reserved.
 //

 #import "HVWNetworkTool.h"
 #import "AFNetworking.h"
 #import "HVWFileDataParam.h"

 @implementation HVWNetworkTool

 /** get方法发送请求 */
 + (void) get:(NSString *)url parameters:(NSDictionary *)parameters success:(void (^)(id responseObject))success failure:(void (^)(NSError *error)) failure {
     // 创建http操作管理者
     AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];

     // 发送请求
     [manager GET:url parameters:parameters success:^(AFHTTPRequestOperation *operation, id responseObject) {
         if (success) {
             success(responseObject);
         }
     } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
         if (failure) {
             failure(error);
         }
     }];
 }

 /** post方法发送请求 */
 + (void) post:(NSString *)url parameters:(NSDictionary *)parameters success:(void (^)(id responseObject))success failure:(void (^)(NSError * error))failure {
     // 创建http操作管理者
     AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];

     // 发送请求
     [manager POST:url parameters:parameters success:^(AFHTTPRequestOperation *operation, id responseObject) {
         if (success) {
             success(responseObject);
         }
     } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
         if (failure) {
             failure(error);
         }
     }];
 }

 /** post方法发送请求（带文件数据) */
 + (void) post:(NSString *)url parameters:(NSDictionary *) parameters filesData:(NSArray *)filesData success:(void (^)(id responseObject))success failure:(void (^)(NSError *error))failure {
     // 创建http操作管理者
     AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];

     // 发送请求
     [manager POST:url parameters:parameters constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {

         // 读取文件参数
         for (HVWFileDataParam *fileDataParam in filesData) {
             [formData appendPartWithFileData:fileDataParam.fileData name:fileDataParam.name fileName:fileDataParam.fileName mimeType:fileDataParam.mimeType];
         }
     } success:^(AFHTTPRequestOperation *operation, id responseObject) {
         if (success) {
             success(responseObject);
         }
     } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
         if (failure) {
             failure(error);
         }
     }];
 }

 @end