懒加载创建tableview

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#pragma mark -清除Document 数据

- (void)clearUpSDocumentDirectory

{

    NSString *documentPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES) firstObject];

    

    NSArray *documentfiles = [[NSFileManager defaultManager] subpathsAtPath:documentPath];

    

    for (NSString *dp in documentfiles) {

        NSError *error;

        if (![dp isEqualToString:@"switchchoose.data"]) {

            NSString *path = [documentPath stringByAppendingPathComponent:dp];

            if ([[NSFileManager defaultManager] fileExistsAtPath:path]) {

                [[NSFileManager defaultManager] removeItemAtPath:path error:&error];

            }

        }

        

    }

}

#pragma mark 清除TemporaryDirectory数据

- (void)clearUpTemporaryDirectory

{

    NSString *tmpPath = NSTemporaryDirectory();

    NSArray *tmpfiles = [[NSFileManager defaultManager] subpathsAtPath:tmpPath];

    

    for (NSString *tp in tmpfiles) {

        NSError *error;

        NSString *path = [tmpPath stringByAppendingPathComponent:tp];

        if ([[NSFileManager defaultManager] fileExistsAtPath:path]) {

            [[NSFileManager defaultManager] removeItemAtPath:path error:&error];

        }

    }

}


#pragma mark  清除LibraryDirectory数据

- (void)clearUpLibraryDirectory

{

    NSString *cachPath = [NSSearchPathForDirectoriesInDomains(NSLibraryDirectory,NSUserDomainMask, YES) firstObject];

    

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

    

    for (NSString *p in files) {

        NSError *error;

        NSString *path = [cachPath stringByAppendingPathComponent:p];

        if ([[NSFileManager defaultManager] fileExistsAtPath:path]) {

            [[NSFileManager defaultManager] removeItemAtPath:path error:&error];

        }

    }

    

}

- (UITableView *)tableView{

    if (_tableView) return _tableView;

    

    _tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, kScreenWidth , kScreenHeight-NavBar_Height) style:UITableViewStyleGrouped];

    _tableView.delegate = self;

    _tableView.dataSource = self;

    _tableView.backgroundColor=[UIColor colorWithHexString:@"e9e9e9"];

    _tableView.separatorStyle = UITableViewCellSeparatorStyleNone;

    return _tableView;

}


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转载自blog.csdn.net/helloworld183/article/details/79098341