新增 Web 浏览端(Go+Vue 报表系统)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

web/backend/internal/auth/bcrypt.go

@@ -0,0 +1,17 @@
+package auth
+
+import "golang.org/x/crypto/bcrypt"
+
+const bcryptCost = 12
+
+func HashPassword(plain string) (string, error) {
+	b, err := bcrypt.GenerateFromPassword([]byte(plain), bcryptCost)
+	if err != nil {
+		return "", err
+	}
+	return string(b), nil
+}
+
+func CheckPassword(hash, plain string) bool {
+	return bcrypt.CompareHashAndPassword([]byte(hash), []byte(plain)) == nil
+}