golang http请求(new 2019-12-02)

package main

import (
    "bytes"
    "fmt"
    "io/ioutil"
    "net/http"
    "strings"
)

func main() {
    SendXML()
}

// 普通的GET请求
func GetDemo1(){
    resp, _ := http.Get("http://www.baidu.com")
    data, _ := ioutil.ReadAll(resp.Body)
    fmt.Printf("response-> %s\n", data)
}


// 普通的POST请求
func PostDemo1(){
    resp, _ := http.Post("http://127.0.0.1:5000/http_test", "application/json", nil)
    data, _ := ioutil.ReadAll(resp.Body)
    fmt.Printf("response-> %s\n", data)
}

// 自定义请求头，自定义参数的GET请求
// http://127.0.0.1:5000/http_test?flag=a&name=admin
func GetDemo2(){
    request, _ := http.NewRequest("GET", "http://127.0.0.1:5000/http_test", nil)

    // 设置请求参数
    q := request.URL.Query()
    q.Add("name", "admin")
    q.Add("flag", "a")

    // 构造请求参数赋值给请求url
    request.URL.RawQuery = q.Encode()

    // 设置请求头
    // 添加请求头
    request.Header.Add("cache-control", "no-cache")
    // 设置请求头
    request.Header.Set("content-type", "application/x-www-form-urlencoded")

    resp, _ := http.DefaultClient.Do(request)
    data, _ := ioutil.ReadAll(resp.Body)
    defer resp.Body.Close()

    fmt.Printf("%s\n", data)
}

// 自定义参数  POST请求
func PostDemo2(){
    payload := strings.NewReader("name=admin&password=111111")
    request, _ := http.NewRequest("POST", "http://127.0.0.1:5000/http_test", payload)

    // 设置请求头
    request.Header.Set("Content-Type", "application/x-www-form-urlencoded")

    resp, _ := http.DefaultClient.Do(request)
    data, _ := ioutil.ReadAll(resp.Body)
    defer resp.Body.Close()

    fmt.Printf("%s\n", data)
}

// 发送xml数据
func SendXML(){
    xml_str := `
<?xml version="1.0" encoding="UTF-8"?>
<note>
  <to>Tove</to>
  <from>Jani</from>
  <heading>Reminder</heading>
  <body>Don't forget me this weekend!</body>
</note>`

    request, _ := http.NewRequest("POST", "http://127.0.0.1:5000/http_test", bytes.NewBuffer([]byte(xml_str)))

    // 设置xml请求头
    request.Header.Set("Content-Type", "text/html;charset:utf-8;")

    resp, _ := http.DefaultClient.Do(request)

    data, _ := ioutil.ReadAll(resp.Body)
    defer resp.Body.Close()

    fmt.Printf("%s\n", data)
}
golang http请求(new 2019-12-02)

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