Go Lang实现unix时间戳与日期格式互转

/*
 *golang几种post请求方式
 *参考:https://www.cnblogs.com/mafeng/p/7068837.html
*/

package main

import (
    "fmt"
    "io/ioutil"
    "log"
    "net/http"
    "net/url"
    "regexp"
    "strings"
)

func main() {
    http_get("http://www.01happy.com/demo/accept.php?id=1")                   //http.Get的方式请求
    http_post("http://www.01happy.com/demo/accept.php", "name=cjb&id=100")    //http.post的方式请求
    http_PostForm("http://www.01happy.com/demo/accept.php")                   //http.PostForm方法
    http_do_get("http://www.01happy.com/demo/accept.php?id=1")                //http.do方法的GET方式进行请求
    http_do_post("http://www.01happy.com/demo/accept.php", "name=cjb&id=100") //http.do方法的POST方式进行请求
    http_do_get_proxy("https://2021.ip138.com/")                              //代理访问
}

/*
 * 1. http.Get的方式请求
 */
func http_get(urls string) string {
    fmt.Println("----------1. http.Get的方式请求-------------")
    var res_html string = ""
    resp, err := http.Get(urls)
    if err != nil {
        fmt.Println("http get error", err)
    }

    defer resp.Body.Close() //函数结束时关闭Body

    body, err := ioutil.ReadAll(resp.Body)
    if err != nil {
        fmt.Println("read error", err)
    }
    res_html = string(body)
    fmt.Println("返回结果:", res_html)
    return res_html
}

/*
 * 2. http.post的方式请求
 * 使用这个方法的话，第二个参数要设置成”application/x-www-form-urlencoded”，否则post参数无法传递
 */
func http_post(urls, data string) string {
    fmt.Println("----------2. http.post的方式请求-------------")
    var res_html string = ""

    resp, err := http.Post(urls,
        "application/x-www-form-urlencoded",
        strings.NewReader(data))

    if err != nil {
        fmt.Println("http get error", err)
    }

    defer resp.Body.Close() //函数结束时关闭Body

    body, err := ioutil.ReadAll(resp.Body)
    if err != nil {
        fmt.Println("read error", err)
    }
    res_html = string(body)
    fmt.Println("返回结果:", res_html)
    return res_html
}

/*
 * 3. http.PostForm方法
 */
func http_PostForm(urls string) string {
    fmt.Println("----------2. http.PostForm的方式请求-------------")
    var res_html string = ""

    resp, err := http.PostForm(urls, url.Values{"key": {"Value"}, "id": {"123"}})
    if err != nil {
        fmt.Println("http from post error", err)
    }

    defer resp.Body.Close() //函数结束时关闭Body

    body, err := ioutil.ReadAll(resp.Body)
    if err != nil {
        fmt.Println("read error", err) // handle error
    }

    res_html = string(body)
    fmt.Println("返回结果:", res_html)
    return res_html
}

/*
 * 4. http.do方法的GET方式进行请求
 * 有时需要在请求的时候设置Header、cookie, 请求体、代理、证书验证等参数之类的数据，就可以使用http.Do方法。
 */
func http_do_get(urls string) string {
    fmt.Println("----------4. http.do方法的GET方式进行请求-------------")
    var res_html string = ""

    httpClient := &http.Client{}

    req, err := http.NewRequest("GET", urls, nil) //GET方式提交数据
    if err != nil {
        fmt.Println("http do get error", err)
    }

    sp_host := strings.Split(urls, "//")[1]
    host := strings.Split(sp_host, "/")[0]
    req.Header.Set("Host", host)
    req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:84.0) Gecko/20100101 Firefox/84.0")
    req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
    req.Header.Set("Connection", "keep-alive")

    res, err := httpClient.Do(req) //发送请求
    if err != nil {
        log.Fatalln("Fail: The web address cannot be accessed!\n") //网址打不开时提示错误信息！
    }

    defer res.Body.Close() //函数结束时关闭Body

    body, err := ioutil.ReadAll(res.Body)
    if err != nil {
        fmt.Println("read error", err)
    }

    res_html = string(body)
    fmt.Println("返回结果:", res_html)
    return res_html
}

/*
 * 5. http.do方法的POST方式进行请求
 * 有时需要在请求的时候设置Header、cookie, 请求体、代理、证书验证等参数之类的数据，就可以使用http.Do方法。
 */
func http_do_post(urls, data string) string {
    fmt.Println("----------5. http.do方法的POST方式进行请求-------------")
    var res_html string = ""

    httpClient := &http.Client{}

    req, err := http.NewRequest("POST", urls, strings.NewReader(data)) //POST方式提交数据
    if err != nil {
        fmt.Println("http do post error", err)
    }

    sp_host := strings.Split(urls, "//")[1]
    host := strings.Split(sp_host, "/")[0]
    req.Header.Set("Host", host)
    req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:84.0) Gecko/20100101 Firefox/84.0")
    req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
    req.Header.Set("Connection", "keep-alive")

    res, err := httpClient.Do(req) //发送请求
    if err != nil {
        log.Fatalln("Fail: The web address cannot be accessed!\n") //网址打不开时提示错误信息！
    }

    defer res.Body.Close() //函数结束时关闭Body

    body, err := ioutil.ReadAll(res.Body)
    if err != nil {
        fmt.Println("read error", err)
    }

    res_html = string(body)
    fmt.Println("返回结果:", res_html)
    return res_html
}

/*
 * 6. http.do方法的GET方式进行请求并设置代理访问
 * 有时需要在请求的时候设置Header、cookie, 请求体、代理、证书验证等参数之类的数据，就可以使用http.Do方法。
 */
func http_do_get_proxy(urls string) string {
    fmt.Println("----------6. http.do方法的GET方式进行请求并设置代理访问-------------")
    var res_html string = ""

    //设置代理
    proxyURL, _ := url.Parse("http://127.0.0.1:10809")
    trans := &http.Transport{
        Proxy: http.ProxyURL(proxyURL),
    }

    httpClient := &http.Client{
        Transport: trans,
    }

    req, err := http.NewRequest("GET", urls, nil)
    if err != nil {
        fmt.Println("http do post error", err)
    }

    sp_host := strings.Split(urls, "//")[1]
    host := strings.Split(sp_host, "/")[0]
    req.Header.Set("Host", host)
    req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:84.0) Gecko/20100101 Firefox/84.0")
    req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
    req.Header.Set("Connection", "keep-alive")

    res, err := httpClient.Do(req) //发送请求
    if err != nil {
        log.Fatalln(err) //网址打不开时提示错误信息！
    }

    defer res.Body.Close() //函数结束时关闭Body

    body, err := ioutil.ReadAll(res.Body)
    if err != nil {
        fmt.Println("read error", err)
    }

    //正则匹配返回结果中的的IP信息
    reg, _ := regexp.Compile("您的iP地址是：\\[.+?\\]")
    sproxy := reg.FindString(string(body))

    res_html = string(body)
    fmt.Println("使用代理后你的IP地址是:", sproxy) //打印
    //fmt.Println("返回结果:", res_html)
    return res_html
}