在开发调试支付宝接口时,突然发现支付宝接口的URL很长,远远大于之前自己印象中的255个字符。赶紧搜索查证了一番,理解如下: URL不能大于255bytes的说法确实存在,在RFC2616中提到: 复制代码 代码如下: The HTTP protocol does not place any a priori limit on the length of a URI. Servers MUST be able to handle the URI of any resource they serve, and SHOULD be able to handle URIs of unbounded