mirror of
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81 lines
2.2 KiB
Go
81 lines
2.2 KiB
Go
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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/*
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Package http provides HTTP client and server implementations.
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Get, Head, Post, and PostForm make HTTP requests:
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resp, err := http.Get("http://example.com/")
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...
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resp, err := http.Post("http://example.com/upload", "image/jpeg", &buf)
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...
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resp, err := http.PostForm("http://example.com/form",
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url.Values{"key": {"Value"}, "id": {"123"}})
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The client must close the response body when finished with it:
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resp, err := http.Get("http://example.com/")
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if err != nil {
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// handle error
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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// ...
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For control over HTTP client headers, redirect policy, and other
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settings, create a Client:
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client := &http.Client{
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CheckRedirect: redirectPolicyFunc,
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}
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resp, err := client.Get("http://example.com")
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// ...
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req, err := http.NewRequest("GET", "http://example.com", nil)
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// ...
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req.Header.Add("If-None-Match", `W/"wyzzy"`)
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resp, err := client.Do(req)
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// ...
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For control over proxies, TLS configuration, keep-alives,
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compression, and other settings, create a Transport:
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tr := &http.Transport{
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TLSClientConfig: &tls.Config{RootCAs: pool},
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DisableCompression: true,
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}
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client := &http.Client{Transport: tr}
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resp, err := client.Get("https://example.com")
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Clients and Transports are safe for concurrent use by multiple
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goroutines and for efficiency should only be created once and re-used.
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ListenAndServe starts an HTTP server with a given address and handler.
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The handler is usually nil, which means to use DefaultServeMux.
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Handle and HandleFunc add handlers to DefaultServeMux:
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http.Handle("/foo", fooHandler)
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http.HandleFunc("/bar", func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))
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})
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log.Fatal(http.ListenAndServe(":8080", nil))
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More control over the server's behavior is available by creating a
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custom Server:
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s := &http.Server{
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Addr: ":8080",
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Handler: myHandler,
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ReadTimeout: 10 * time.Second,
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WriteTimeout: 10 * time.Second,
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MaxHeaderBytes: 1 << 20,
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}
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log.Fatal(s.ListenAndServe())
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*/
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package http
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