[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

 1 //
 2 //  HVWNetworkTool.h
 3 //  HVWWeibo
 4 //
 5 //  Created by hellovoidworld on 15/2/9.
 6 //  Copyright (c) 2015年 hellovoidworld. All rights reserved.
 7 //
 8
 9 #import <Foundation/Foundation.h>
10
11 @interface HVWNetworkTool : NSObject
12
13 /** get方法发送请求 */
14 + (void) get:(NSString *)url parameters:(NSDictionary *)parameters success:(void (^)(id responseObject))success failure:(void (^)(NSError *error)) failure;
15
16 /** post方法发送请求 */
17 + (void) post:(NSString *)url parameters:(NSDictionary *)parameters success:(void (^)(id responseObject))success failure:(void (^)(NSError * error))failure;
18
19 /** post方法发送请求（带文件数据) */
20 + (void) post:(NSString *)url parameters:(NSDictionary *) parameters filesData:(NSArray *)filesData success:(void (^)(id responseObject))success failure:(void (^)(NSError *error))failure;
21
22 @end

 1 //
 2 //  HVWNetworkTool.m
 3 //  HVWWeibo
 4 //
 5 //  Created by hellovoidworld on 15/2/9.
 6 //  Copyright (c) 2015年 hellovoidworld. All rights reserved.
 7 //
 8
 9 #import "HVWNetworkTool.h"
10 #import "AFNetworking.h"
11 #import "HVWFileDataParam.h"
12
13 @implementation HVWNetworkTool
14
15 /** get方法发送请求 */
16 + (void) get:(NSString *)url parameters:(NSDictionary *)parameters success:(void (^)(id responseObject))success failure:(void (^)(NSError *error)) failure {
17     // 创建http操作管理者
18     AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
19
20     // 发送请求
21     [manager GET:url parameters:parameters success:^(AFHTTPRequestOperation *operation, id responseObject) {
22         if (success) {
23             success(responseObject);
24         }
25     } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
26         if (failure) {
27             failure(error);
28         }
29     }];
30 }
31
32 /** post方法发送请求 */
33 + (void) post:(NSString *)url parameters:(NSDictionary *)parameters success:(void (^)(id responseObject))success failure:(void (^)(NSError * error))failure {
34     // 创建http操作管理者
35     AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
36
37     // 发送请求
38     [manager POST:url parameters:parameters success:^(AFHTTPRequestOperation *operation, id responseObject) {
39         if (success) {
40             success(responseObject);
41         }
42     } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
43         if (failure) {
44             failure(error);
45         }
46     }];
47 }
48
49
50 /** post方法发送请求（带文件数据) */
51 + (void) post:(NSString *)url parameters:(NSDictionary *) parameters filesData:(NSArray *)filesData success:(void (^)(id responseObject))success failure:(void (^)(NSError *error))failure {
52     // 创建http操作管理者
53     AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
54
55     // 发送请求
56     [manager POST:url parameters:parameters constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
57
58         // 读取文件参数
59         for (HVWFileDataParam *fileDataParam in filesData) {
60             [formData appendPartWithFileData:fileDataParam.fileData name:fileDataParam.name fileName:fileDataParam.fileName mimeType:fileDataParam.mimeType];
61         }
62     } success:^(AFHTTPRequestOperation *operation, id responseObject) {
63         if (success) {
64             success(responseObject);
65         }
66     } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
67         if (failure) {
68             failure(error);
69         }
70     }];
71 }
72
73 @end