iOS 清理缓存功能实现第一种方法

添加一个提示框效果导入第三方MBProgressHUD

#import "MBProgressHUD+MJ.h"

/**

 *  清理缓存第一种方法

 */

-(void)clearCache

{

dispatch_async(

               dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)

               , ^{

                   NSString *cachPath = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) objectAtIndex:0];

                   NSArray *files = [[NSFileManager defaultManager] subpathsAtPath:cachPath];

                   NSLog(@"files :%lu",[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];});

}

-(void)clearCacheSuccess

{

　　[MBProgressHUD showSuccess:@"清理完毕"];

    NSLog(@"清理成功");

}

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