字符串验证 : 支持配置参数传了的场景下，不允许为空验证

handle_base.go

@@ -116,6 +116,11 @@ func handleString(inputVal any, rule *define.FieldRule) (string, error) {
 	if err = util.ConvertAssign(&formatData, inputVal); nil != err {
 		return "", err
 	}
+	// 判断空字符串
+	if !rule.AllowEmpty && formatData == "" && rule.IsRequired {
+		// 必传且不允许空字符串
+		return "", fmt.Errorf("%v : data type is string empty, field is required and empty value is not allowed", rule.Path)
+	}
 	if nil == rule.ValueLimit {
 		return formatData, nil
 	}