feat():learning后台管理项目初始化

pkg/utils/validator.go

@@ -0,0 +1,72 @@
+package utils
+
+import (
+	"regexp"
+	"strings"
+)
+
+// Validator 验证器
+type Validator struct{}
+
+// IsEmail 验证邮箱格式
+func (v *Validator) IsEmail(email string) bool {
+	pattern := `^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$`
+	matched, _ := regexp.MatchString(pattern, email)
+	return matched
+}
+
+// IsPhone 验证手机号格式
+func (v *Validator) IsPhone(phone string) bool {
+	pattern := `^1[3-9]\d{9}$`
+	matched, _ := regexp.MatchString(pattern, phone)
+	return matched
+}
+
+// IsUsername 验证用户名格式
+func (v *Validator) IsUsername(username string) bool {
+	// 用户名只能包含字母、数字、下划线，长度3-20
+	pattern := `^[a-zA-Z0-9_]{3,20}$`
+	matched, _ := regexp.MatchString(pattern, username)
+	return matched
+}
+
+// IsPassword 验证密码强度
+func (v *Validator) IsPassword(password string) bool {
+	// 密码至少6位，包含字母和数字
+	if len(password) < 6 {
+		return false
+	}
+
+	hasLetter := regexp.MustCompile(`[a-zA-Z]`).MatchString(password)
+	hasNumber := regexp.MustCompile(`[0-9]`).MatchString(password)
+
+	return hasLetter && hasNumber
+}
+
+// IsURL 验证URL格式
+func (v *Validator) IsURL(url string) bool {
+	pattern := `^https?://[^\s/$.?#].[^\s]*$`
+	matched, _ := regexp.MatchString(pattern, url)
+	return matched
+}
+
+// IsEmpty 检查字符串是否为空
+func (v *Validator) IsEmpty(str string) bool {
+	return strings.TrimSpace(str) == ""
+}
+
+// IsValidRole 验证角色名称
+func (v *Validator) IsValidRole(role string) bool {
+	validRoles := []string{"admin", "user", "guest"}
+	for _, validRole := range validRoles {
+		if role == validRole {
+			return true
+		}
+	}
+	return false
+}
+
+// NewValidator 创建验证器实例
+func NewValidator() *Validator {
+	return &Validator{}
+}