esc pos commands

How to use the ESC/POS command to control printing for the pos58 ticket thermal printer Time: Source: Author: Click: - How can I use the ESC/POS command to control the size of printed text for the pos58 ticket thermal printer?How can I control the text size of a pos58 ticket thermal printer?I know tha

How can I control the text size of a pos58 ticket thermal printer?I know that ESC/POS commands are not used.ASCII: ESC! NDecimal: 27 33 NHexadecimal: 1B 21 N In C #, do I use the decimal notation (char) (27) + (char) (33) + (char) (n) to multiply the text and print it?Mainly to enlarge text printing. N does not know

For example: Echo ' WhoAmI '; Export the database, the folder to be imported must have writable permission, the content after-u-p must be written next to each other Echo ' mysqldump-h localhost-u$dbuser-p$dbpwd--default-character-set=utf8 $DbName >/var/$dumpFileName '; The above describes the PHP with the anti-apostrophe (', that is, the ESC key on the keyboard, and ~ on the same top) to execute external comm