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2016 0220 清除缓存
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互联网集市收集整理的这篇技术教程文章主要介绍了2016 0220 清除缓存，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含3507字，纯文字阅读大概需要6分钟。
内容图文
//start
-(void)clearCashSelf{
MCLog(@"NSHomeDirectory 沙盒路径----%@",NSHomeDirectory());
// UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"清除缓存" message: [NSString stringWithFormat:@"清除%.2fM",fileSizeM] delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil];
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"清除本地缓存" message: [NSString stringWithFormat:@"清除%.2fKB",fileSizeM] delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil];
alert.tag = 8899;
[alert show];
}
-(float)fileSizeAtPath:(NSString *)path{
NSFileManager *fileManager=[NSFileManager defaultManager];
if([fileManager fileExistsAtPath:path]){
long long size=[fileManager attributesOfItemAtPath:path error:nil].fileSize;
// return size/1024.0/1024.0;
return size/1024.0;
}
return 0;
}
-(float)folderSizeAtPath:(NSString *)path{
NSFileManager *fileManager=[NSFileManager defaultManager];
float folderSize;
if ([fileManager fileExistsAtPath:path]) {
NSArray *childerFiles=[fileManager subpathsAtPath:path];
for (NSString *fileName in childerFiles) {
NSString *absolutePath=[path stringByAppendingPathComponent:fileName];
folderSize +=[self fileSizeAtPath:absolutePath];
}
return folderSize;
}
return 0;
}
-(void)clearCache:(NSString *)path{
NSFileManager *fileManager=[NSFileManager defaultManager];
if ([fileManager fileExistsAtPath:path]) {
NSArray *childerFiles=[fileManager subpathsAtPath:path];
for (NSString *fileName in childerFiles) {
//如有需要，加入条件，过滤掉不想删除的文件
NSString *absolutePath=[path stringByAppendingPathComponent:fileName];
[fileManager removeItemAtPath:absolutePath error:nil];
}
}
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
if (alertView.tag == 8899) {
if (buttonIndex == 0) {
}else{
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
NSString *cachPath = [paths objectAtIndex:0];
NSLog(@"路径 缓存 =====%@",paths);
[self clearCache:cachPath];
fileSizeM=0;
// [TvDataArray removeAllObjects];
[_TVSatand reloadData];
}
}else{
if (buttonIndex==1) {
MBProgressHUD *hub = [MBProgressHUD showHUDAddedTo:self.view animated:YES];
hub.removeFromSuperViewOnHide = YES;
hub.labelText = @"正在注销...";
[[ECDevice sharedInstance] logout:^(ECError *error) {
[MBProgressHUD hideHUDForView:self.view animated:YES];
[DemoGlobalClass sharedInstance].userName = nil;
[DemoGlobalClass sharedInstance].isLogin = NO;
// //为了页面的跳转，使用了该错误码，用户在使用过程中，可以自定义消息，或错误码值
//// [[NSNotificationCenter defaultCenter] postNotificationName:@"zhuxiaoDengluPENINET" object:[ECError errorWithCode:10]];
// [[NSNotificationCenter defaultCenter] postNotificationName:KNOTIFICATION_onConnected object:[ECError errorWithCode:10]];
NSUserDefaults *user = [NSUserDefaults standardUserDefaults];
[user setObject:@"1122" forKey:@"registersucceed"];
[user setObject:@"123" forKey:@"perfectInfo"];
[user synchronize];
Dlpontlerexple *dd=[Dlpontlerexple shareIndence];
NSString *ddd=[NSString stringWithFormat:@"%@", dd.mobileStr];
LoginViewController *login = [[LoginViewController alloc]init];
login.phoneStr=ddd;
login.strZhuxiao = @"fanhuiLogin";
[self.navigationController pushViewController:login animated:YES];
[[NSNotificationCenter defaultCenter] postNotificationName:@"TUICHUzhuxiaoDenglu" object:nil];
}];
// [[NSNotificationCenter defaultCenter] postNotificationName:@"zhuxiaoDengluPENINET" object:[ECError errorWithCode:10]];
}
}
}
[[SDImageCache sharedImageCache] cleanDisk];
}
原文：http://www.cnblogs.com/gzz2016/p/5203652.html
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