AFNetworking與MJExtension處理後台_圖片框架SDWebImage(初稿)，

AFNetworking與MJExtension處理後台_圖片框架SDWebImage(初稿)，

1.AFNetworking架構處理使用者一般的POST GET等5種類型的請求

GET請求：

AFHTTPRequestOperationManager *mgr=[AFHTTPRequestOperationManager manager];        NSMutableDictionary *params=[NSMutableDictionary dictionary];    [params setObject:account.access_token forKey:@"access_token"];        [mgr GET:@"https://api.weibo.com/2/statuses/friends_timeline.json" parameters:params success:^(AFHTTPRequestOperation *operation, NSDictionary *responseObject) {                NSArray *newStatus=[WBStatus objectArrayWithKeyValuesArray:responseObject[@"statuses"]];        NSIndexSet *set=[[NSIndexSet alloc] initWithIndexesInRange:NSMakeRange(0, newStatus.count)];        [self.statues insertObjects:newStatus atIndexes:set];        [self.tableView reloadData];            } failure:^(AFHTTPRequestOperation *operation, NSError *error) {        NSLog(@"%@",[error localizedDescription]);    }];

POST請求：

AFHTTPRequestOperationManager *mgr=[AFHTTPRequestOperationManager manager];        NSMutableDictionary *param=[NSMutableDictionary dictionary];    [param setObject:@"43435345453 forKey:@"client_id"];    [param setObject:@"354083454f535fv53c53d97" forKey:@"client_secret"];    [param setObject:@"authorization_code" forKey:@"grant_type"];    [param setObject:@"http://www.baidu.com" forKey:@"redirect_uri"];    [param setObject:code forKey:@"code"];        [mgr POST:@"https://api.weibo.com/oauth2/access_token" parameters:param success:^(AFHTTPRequestOperation *operation, NSDictionary *responseObject) {            } failure:^(AFHTTPRequestOperation *operation, NSError *error) {            }];

2.MJExtension使用者直接處理Dictionary與Bean之間的轉換

#import <Foundation/Foundation.h>#import "WBUser.h"@interface WBStatus : NSObject@property (nonatomic,copy) NSString *text;@property (nonatomic,copy) NSString *idStr;@property (nonatomic,strong) WBUser *user;@end

對應的json:

"statuses": [{"id": 11488058246,"text": "求關注。"，..."user": {"id": 1404376560,"name": "zaku","description": "人生五十年，乃如夢如幻；有生斯有死，壯士複何憾。","url": "http://blog.sina.com.cn/zaku","profile_image_url": "http://tp1.sinaimg.cn/1404376560/50/0/1",...}},...]

如下樣本將json轉換成資料，轉換如下：

#import "MJExtension.h"NSArray *newStatus=[WBStatus objectArrayWithKeyValuesArray:jsonStr];

3.圖片顯示架構SDWebImage

#import "UIImageView+WebCache.h"NSURL *url=[NSURL URLWithString:urlStr];UIImage *placehoder = [UIImage imageNamed:@"default_image"];[imageView sd_setImageWithURL:url placeholderImage:placehoder];

應用無記憶體時 關閉下載清理記憶體

-(void)applicationDidReceiveMemoryWarning:(UIApplication *)application{    SDWebImageManager *mgr=[SDWebImageManager sharedManager];        [mgr cancelAll];        [mgr.imageCache clearMemory];    }