iOS 清理缓存功能实现第一种方法

 

1	添加一个提示框效果导入第三方MBProgressHUD

    #import "MBProgressHUD+MJ.h"

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<br><br>/**  *  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"];

1 2	NSLog(@"清理成功"); }