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>`)