Ease Template File Read and Write

English

### Ease Template  File Read and Write
In order to facilitate the reading and writing of files during development, Ease Template provides a simple method that only requires simple operations.

#### > Get folder
$tpl->get_dir(Directory address, display type)
```
//display the files in the data directory
$tpl->get_dir('/data'，1);
```
directory address：`you can fill in absolute address or relative address`
display type：`0 gets the folder, 1 gets the file`

------------
#### > Folder Creation
$tpl->mk_dir(directory address, directory permissions)
```
//create an et folder in the data directory
$tpl->mk_dir('/data/et'，0755);
```
directory address：`You can fill in absolute address or relative address`
directory permissions：`0777 fully writable, 0755 writable permission, 0644 read-only permission`

------------
#### > Folder Deletion
$tpl->del_dir(directory address, delete operation)
```
//delete the et folder in the data directory
$tpl->del_dir('/data/et'，0);
```
directory address：`You can fill in absolute address or relative address`
delete operation：`1 means delete data in the directory, 0 deletes this directory by default`

------------
#### > Read File
$tpl->reader(file name)
```
//Read file address
$tpl->reader('/data/et.htm');
```
directory address：`The directory and file name can be read by filling in, and it will fail if there is no file.`

------------
#### > Write File
$tpl->writer(File name, write data, write method)
```
//delete the et folder in the data directory
$tpl->writer('/data/et.htm'，'Ease Template!');
```
directory address：`You can fill in absolute address or relative address`
data input：`Data content, the array needs to be written after json`
write method：

| Mode  | Description  |
| ------------ | ------------ |
|r|In read-only mode, the file pointer points to the file header.|
|r+|In read and write mode, the file pointer points to the file header.|
|w|In writing mode, the file pointer points to the head of the file and the file is cleared.|
|w+|In read and write mode, the file pointer points to the head of the file and the file is cleared.|
|a|In writing mode, the file pointer points to the end of the file.|
|a+|Read and write mode, the file pointer points to the end of the file Description.