http的status类型

• 100 "continue"
• 101 "switching protocols"
• 102 "processing"
• 200 "ok"
• 201 "created"
• 202 "accepted"
• 203 "non-authoritative information"
• 204 "no content"
• 205 "reset content"
• 206 "partial content"
• 207 "multi-status"
• 208 "already reported"
• 226 "im used"
• 300 "multiple choices"
• 301 "moved permanently"
• 302 "found"
• 303 "see other"
• 304 "not modified"
• 305 "use proxy"
• 307 "temporary redirect"
• 308 "permanent redirect"
• 400 "bad request"
• 401 "unauthorized"
• 402 "payment required"
• 403 "forbidden"
• 404 "not found"
• 405 "method not allowed"
• 406 "not acceptable"
• 407 "proxy authentication required"
• 408 "request timeout"
• 409 "conflict"
• 410 "gone"
• 411 "length required"
• 412 "precondition failed"
• 413 "payload too large"
• 414 "uri too long"
• 415 "unsupported media type"
• 416 "range not satisfiable"
• 417 "expectation failed"
• 418 "I'm a teapot"
• 422 "unprocessable entity"
• 423 "locked"
• 424 "failed dependency"
• 426 "upgrade required"
• 428 "precondition required"
• 429 "too many requests"
• 431 "request header fields too large"
• 500 "internal server error"
• 501 "not implemented"
• 502 "bad gateway"
• 503 "service unavailable"
• 504 "gateway timeout"
• 505 "http version not supported"
• 506 "variant also negotiates"
• 507 "insufficient storage"
• 508 "loop detected"
• 510 "not extended"
• 511 "network authentication required"