first commit

apps/user/internal/logic/auth/loginuserlogic.go

@@ -0,0 +1,60 @@
+package authlogic
+
+import (
+	"context"
+	"crypto/sha256"
+	"encoding/hex"
+	"errors"
+	jwtx "tianyuan-api/pkg/jwt"
+
+	"tianyuan-api/apps/user/internal/svc"
+	"tianyuan-api/apps/user/user"
+
+	"github.com/zeromicro/go-zero/core/logx"
+)
+
+type LoginUserLogic struct {
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+	logx.Logger
+}
+
+func NewLoginUserLogic(ctx context.Context, svcCtx *svc.ServiceContext) *LoginUserLogic {
+	return &LoginUserLogic{
+		ctx:    ctx,
+		svcCtx: svcCtx,
+		Logger: logx.WithContext(ctx),
+	}
+}
+
+// 登录接口
+func (l *LoginUserLogic) LoginUser(in *user.LoginReq) (*user.LoginResp, error) {
+	if in.Username == "" || in.Password == "" {
+		return nil, errors.New("用户名或密码不能为空")
+	}
+	// 使用 FindOneByUsername 查找用户
+	users, err := l.svcCtx.UserModel.FindOneByUsername(l.ctx, in.Username)
+	if err != nil {
+		return nil, errors.New("用户未注册")
+	}
+
+	// 验证密码
+	if hashPassword(in.Password) != users.Password {
+		return nil, errors.New("密码错误")
+	}
+
+	// 生成 JWT token，调用封装好的函数
+	token, err := jwtx.GenerateJwtToken(users.Id, l.svcCtx.Config.AuthJWT.AccessSecret, l.svcCtx.Config.AuthJWT.AccessExpire)
+	if err != nil {
+		return nil, err
+	}
+
+	return &user.LoginResp{
+		Token: token,
+	}, nil
+}
+func hashPassword(password string) string {
+	h := sha256.New()
+	h.Write([]byte(password))
+	return hex.EncodeToString(h.Sum(nil))
+}