• 清除缓存


    - (float ) folderSizeAtPath:(NSString*) folderPath{
        NSFileManager* manager = [NSFileManager defaultManager];
        if (![manager fileExistsAtPath:folderPath]) return 0;
        NSEnumerator *childFilesEnumerator = [[manager subpathsAtPath:folderPath] objectEnumerator];
        NSString* fileName;
        long long folderSize = 0;
        while ((fileName = [childFilesEnumerator nextObject]) != nil){
            NSString* fileAbsolutePath = [folderPath stringByAppendingPathComponent:fileName];
            folderSize += [self fileSizeAtPath:fileAbsolutePath];
        }
        return folderSize/(1024.0*1024.0);
    }


    - (long long) fileSizeAtPath:(NSString*) filePath{
        NSFileManager* manager = [NSFileManager defaultManager];
        if ([manager fileExistsAtPath:filePath]){
            return [[manager attributesOfItemAtPath:filePath error:nil] fileSize];
        }
        return 0;
    }计算缓存大小
    苏相荣  09:50:46
    dispatch_async(
                   dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)
                   , ^{
                       NSString *cachPath = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) objectAtIndex:0];
                       NSLog(@"%@", cachPath);
                      
                       NSArray *files = [[NSFileManager defaultManager] subpathsAtPath:cachPath];
                       NSLog(@"files :%d",[files count]);
                       for (NSString *p in files) {
                           NSError *error;
                           NSString *path = [cachPath stringByAppendingPathComponent:p];
                           if ([[NSFileManager defaultManager] fileExistsAtPath:path]) {
                               [[NSFileManager defaultManager] removeItemAtPath:path error:&error];
                           }
                       }
                       [self performSelectorOnMainThread:@selector(clearCacheSuccess) withObject:nil waitUntilDone:YES];});
    }
    缓存清理
  • 相关阅读:
    OEP
    壳的执行过程
    JavaScript RSA算法简单实现(转)
    创建根证书及其子证书
    从零开始学习Sencha Touch MVC应用之十四
    javascript base64
    discuz 文档地址
    虚拟机共享数据
    转Javascript到PHP RSA加密通讯的简单实现
    PHP RSA研究
  • 原文地址:https://www.cnblogs.com/tian-sun/p/5019915.html
Copyright © 2020-2023  润新知