Question

我们如何从url资源中读取内容。我在以下示例中使用了https://github.com/Kissaki/rest.go api。下面是我用来将字符串写入网址http://localhost:8080/cool的示例但现在我需要从网址中检索数据，我该如何阅读？

package main

import (
    "fmt"
    "http"
    "github.com/nathankerr/rest.go"
)

type FileString struct {
    value string
}

func (t *FileString) Index(w http.ResponseWriter) {
    fmt.Fprintf(w, "%v", t.value)
}

func main(){
    rest.Resource("cool", &FileString{s:"this is file"})    
    http.ListenAndServe(":3000", nil)   
}

Answer 1

如果您只想通过http获取文件，我可以做一些像这样的事情

resp, err := http.Get("http://your.url.com/whatever.html")
check(err) // does some error handling

// read from resp.Body which is a ReadCloser

Answer 2

response, err := http.Get(URL) //use package "net/http"

if err != nil {
    fmt.Println(err)
    return
}

defer response.Body.Close()

// Copy data from the response to standard output
n, err1 := io.Copy(os.Stdout, response.Body) //use package "io" and "os"
if err != nil {
    fmt.Println(err1)
    return
}

fmt.Println("Number of bytes copied to STDOUT:", n)

从Go中的url资源中读取

2 个答案: