AFNetworking網絡請求與圖片上傳工具（POST）

AFNetworking網絡請求與圖片上傳工具（POST）

.h文件

#import <Foundation/Foundation.h>/** 成功Block  */
typedef void(^SuccessBlockType) (id responsData);
/** 失敗Block  */
typedef void(^FaileBlockType) (NSError *error);@interface NetDataEngine : NSObject//網絡請求
+ (void)postServerUrl:(NSString *)url parameters:(NSDictionary *)parameters success:(SuccessBlockType)success failure:(FaileBlockType)failure;//上傳圖片
+ (void)uploadWith:(UIImage *)upImg success:(SuccessBlockType)success failure:(FaileBlockType)failure;@end

?

.m文件

#import "NetDataEngine.h"
#import "AFNetworking.h"@implementation NetDataEngine+(AFHTTPSessionManager *)manager
{AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];// 聲明上傳的是json格式的參數，需要你和后臺約定好，不然會出現后臺無法獲取到你上傳的參數問題manager.requestSerializer = [AFHTTPRequestSerializer serializer]; // 上傳普通格式//    manager.requestSerializer = [AFJSONRequestSerializer serializer]; // 上傳JSON格式// 聲明獲取到的數據格式manager.responseSerializer = [AFHTTPResponseSerializer serializer]; // AFN不會解析,數據是data，需要自己解析//    manager.responseSerializer = [AFJSONResponseSerializer serializer]; // AFN會JSON解析返回的數據// 個人建議還是自己解析的比較好，有時接口返回的數據不合格會報3840錯誤，大致是AFN無法解析返回來的數據// 超時時間[manager.requestSerializer willChangeValueForKey:@"timeoutInterval"];manager.requestSerializer.timeoutInterval = 10.f;//設置請求超時時間[manager.requestSerializer didChangeValueForKey:@"timeoutInterval"];return manager;
}+ (void)postServerUrl:(NSString *)url parameters:(NSDictionary *)parameters success:(SuccessBlockType)success failure:(FaileBlockType)failure {AFHTTPSessionManager *manager = [self manager];[manager POST:url parameters:parameters progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:responseObject options:NSJSONReadingMutableContainers error:nil];//        JGLog(@"%@",dict);success(dict);} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
//        JGLog(@"error:  %@",error);failure(error);}];
}+ (void)uploadWith:(UIImage *)upImg success:(SuccessBlockType)success failure:(FaileBlockType)failure {// 創建管理者對象AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];[manager POST:UP_PIC parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData>  _Nonnull formData) {// 獲取圖片數據NSData *fileData = UIImagePNGRepresentation(upImg);// 設置上傳圖片的名字NSDateFormatter *formatter = [[NSDateFormatter alloc] init];formatter.dateFormat = @"yyyyMMddHHmmss";NSString *str = [formatter stringFromDate:[NSDate date]];NSString *fileName = [NSString stringWithFormat:@"%@.png", str];[formData appendPartWithFileData:fileData name:@"image" fileName:fileName mimeType:@"image/png"];} progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {//上傳成功后回調success(responseObject);} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        //失敗回調

        failure(error);}];
}@end

?如果網絡請求超時，就在請求失敗中執行超時操作，如：取消指示器，提示用戶網絡存在問題等。

　if (error.code == -1001) {

? ? ? ? 　　[MBProgressHUD showError:@"網絡超時，請檢查網絡"];

? ? ? ? }

　　//隱藏指示器

? ? ? ?[SVProgressHUD dismiss];