To start well: you know JSON? What the holy fuck is this? Please read about it: http://json.org/example
To add postcodes you go to your dashboard -> WooCommerce -> Settings -> Shipping
In shipping page you go to section Shipping Methods and click on settings in UK Postcodes shipping column, first, enable it. Before enable, go to text area and add the code.
Syntax:
{ "CODE": "price" }
Working examples:
{ "EC1A 1AH": "50" }
Multiple:
{ "EC1A 1AH": "50", "WC1B": "50", }
With : { "EC1A ":"15" }
安装:
Upload plugin files to your plugins folder, or install using WordPress built-in Add New Plugin installer;