获取本机IP，用户代理

　　1、获取本机IP：http://httpbin.org/ip

　　　

　　2、获取用户代理

　　　https://httpbin.org/user-agent

　　　

　　https://httpbin.org/

httpbin(1): HTTP Request & Response Service

Freely hosted in HTTP, HTTPS, & EU flavors by Kenneth Reitz &Runscope.

BONUSPOINTS

• now.httpbin.org The current time, in a variety of formats.

ENDPOINTS

• / This page.
• /ip Returns Origin IP.
• /user-agent Returns user-agent.
• /headers Returns header dict.
• /get Returns GET data.
• /post Returns POST data.
• /patch Returns PATCH data.
• /put Returns PUT data.
• /delete Returns DELETE data
• /anything Returns request data, including method used.
• /anything/:anything Returns request data, including the URL.
• /encoding/utf8 Returns page containing UTF-8 data.
• /gzip Returns gzip-encoded data.
• /deflate Returns deflate-encoded data.
• /brotli Returns brotli-encoded data.
• /status/:code Returns given HTTP Status code.
• /response-headers?key=val Returns given response headers.
• /redirect/:n 302 Redirects n times.
• /redirect-to?url=foo 302 Redirects to the foo URL.
• /redirect-to?url=foo&status_code=307 307 Redirects to thefoo URL.
• /relative-redirect/:n 302 Relative redirects n times.
• /absolute-redirect/:n 302 Absolute redirects n times.
• /cookies Returns cookie data.
• /cookies/set?name=value Sets one or more simple cookies.
• /cookies/delete?name Deletes one or more simple cookies.
• /basic-auth/:user/:passwd Challenges HTTPBasic Auth.
• /hidden-basic-auth/:user/:passwd 404'd BasicAuth.
• /digest-auth/:qop/:user/:passwd/:algorithm Challenges HTTP Digest Auth.
• /digest-auth/:qop/:user/:passwd Challenges HTTP Digest Auth.
• /stream/:n Streams min(n, 100) lines.
• /delay/:n Delays responding for min(n, 10) seconds.
• /drip?numbytes=n&duration=s&delay=s&code=code Drips data over a duration after an optional initial delay, then (optionally) returns with the given status code.
• /range/1024?duration=s&chunk_size=code Streams n bytes, and allows specifying a Range header to select a subset of the data. Accepts a chunk_size and request duration parameter.
• /html Renders an HTML Page.
• /robots.txt Returns some robots.txt rules.
• /deny Denied by robots.txt file.
• /cache Returns 200 unless an If-Modified-Since or If-None-Match header is provided, when it returns a 304.
• /etag/:etag Assumes the resource has the given etag and responds to If-None-Match header with a 200 or 304 and If-Match with a 200 or 412 as appropriate.
• /cache/:n Sets a Cache-Control header for n seconds.
• /bytes/:n Generates n random bytes of binary data, accepts optional seed integer parameter.
• /stream-bytes/:n Streams n random bytes of binary data in chunked encoding, accepts optional seed and chunk_size integer parameters.
• /links/:n Returns page containing n HTML links.
• /image Returns page containing an image based on sent Accept header.
• /image/png Returns a PNG image.
• /image/jpeg Returns a JPEG image.
• /image/webp Returns a WEBP image.
• /image/svg Returns a SVG image.
• /forms/post HTML form that submits to /post
• /xml Returns some XML