douxie1692 2015-11-23 22:24
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获取一个简单的服务器来显示网页

I'm writing a simple server as a project to help me learn Go. Here's its minimal form:

package main

import (
    "io"
    "net/http"
)

func serve(w http.ResponseWriter, r *http.Request) {
    text := "HTTP/1.1 200 OK
" +
    "Content-Type: text/html
" + 
    "Host: localhost:1234
" + 
    "Connection: close
" + 
    "
" + 
    "<!doctype html>
" + 
    "<html>...</html>
"

    // Greet the user, ignoring their request.
    io.WriteString(w, text)
}

func main() {
    http.HandleFunc("/", serve)
    http.ListenAndServe(":1234", nil)
}

It works as expected in terms that it sends the desired text when a client connects to localhost:1234. But for some reason my browser displays the output as text instead of HTML, as desired. What am I doing wrong?

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2条回答 默认 最新

  • douxiandiyo58855 2015-11-23 22:28
    关注

    You need to set the proper Content-Type header in the ResponseWriter before you write the response. You don't need to send the HTTP header, as that's sent implicitly on the first call to Write, or explicitly via WriterHeader.

    w.Header().Set("Content-Type", "text/html; charset=utf-8")
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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