46 lines
904 B
Go
46 lines
904 B
Go
package main
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import (
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"errors"
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"golang.org/x/crypto/bcrypt"
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)
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// 用户结构体
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type User struct {
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Username string
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PasswordHash []byte
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}
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// 模拟用户存储（实际应存入数据库）
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var users = map[string]User{}
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// 注册用户
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func RegisterUser(username, password string) error {
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if _, exists := users[username]; exists {
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return errors.New("用户已存在")
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}
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hash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
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if err != nil {
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return err
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}
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users[username] = User{
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Username: username,
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PasswordHash: hash,
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}
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return nil
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}
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// 用户登录验证
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func AuthenticateUser(username, password string) error {
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user, exists := users[username]
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if !exists {
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return errors.New("用户不存在")
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}
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err := bcrypt.CompareHashAndPassword(user.PasswordHash, []byte(password))
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if err != nil {
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return errors.New("密码错误")
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}
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return nil
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}
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