项目地址:https://github.com/scottbedard/shipping   USPS Shipping Calculator   安装 Instructions 注册web tools ID:The first step to requesting a shipping quote is injecting your USPS Web Tools ID. use Bedard\Shipping\Usps; $shipment = new Usps('YOUR-WEB-ID'); If you would like to run the calculator on the USPS testing server, call useTesting… Read More