什么是402状态码?
保留以备将来使用。
402代码引用
Rails HTTP状态符号: payment_required
HTTP状态常数http。StatusPaymentRequired
Symfony HTTP状态常量响应:HTTP_PAYMENT_REQUIRED
Python2 HTTP状态常量httplib。PAYMENT_REQUIRED
Python3+ HTTP状态常量http.client.PAYMENT_REQUIRED
Python3.5+ HTTP状态常量http.HTTPStatus.PAYMENT_REQUIRED
