bcrypt 前段加密后端解密demo记录

from https://www.cnblogs.com/janbar/archive/2021/04/01/14607659.html
文章非常棒，无废话干货
package main

import (
	"flag"
	"fmt"
	"net/http"

	"golang.org/x/crypto/bcrypt"
)

func main() {
	pass := flag.String("p", "admin", "check password")
	flag.Parse()
	password := []byte(*pass)

	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		w.Write(html)
	})
	http.HandleFunc("/users/login", func(w http.ResponseWriter, r *http.Request) {
		hashedPassword := r.FormValue("pass")
		fmt.Println(hashedPassword)
		err := bcrypt.CompareHashAndPassword([]byte(hashedPassword), password)
		if err != nil {
			fmt.Fprintln(w, err)
		} else {
			fmt.Fprintln(w, "password ok")
		}
	})
	http.ListenAndServe(":8080", nil)
}

var html = []byte(`<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="https://cdn.jsdelivr.net/gh/dcodeIO/bcrypt.js/dist/bcrypt.min.js"></script>
<script type="text/javascript" src="https://cdn.jsdelivr.net/gh/jquery/jquery@3.2.1/dist/jquery.min.js"></script>
</head>
<body>
<p>密码: <input id="pass" type="password" name="pass"/></p>
<button type="button" onclick="login()">提交</button>
<script type="text/javascript">
function login() {
	/* https://github.com/dcodeIO/bcrypt.js */
	var bcrypt = dcodeIO.bcrypt;
	/* 将密码加密提交 *//
	$.post('/users/login',{pass: bcrypt.hashSync($('#pass').val(), 8)},
        function(result) {
            alert(result);
        }
    );
}
</script>
</body>
</html>`)