From a69f3a1e01751943eb0523b320022a25b933c1b3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=99=BD=E8=8C=B6=E6=B8=85=E6=AC=A2?=
 <go_developer@163.com>
Date: Fri, 24 Jan 2025 15:49:15 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0IsErr=E6=96=B9=E6=B3=95=20+?=
 =?UTF-8?q?=20=E7=9B=B8=E5=85=B3=E5=8D=95=E5=85=83=E6=B5=8B=E8=AF=95?=
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Content-Type: text/plain; charset=UTF-8
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---
 v10/default.go         | 10 +++++-----
 v10/define/err.go      | 34 ++++++++++++++++++++++++++++++++++
 v10/define/err_test.go | 29 +++++++++++++++++++++++++++++
 3 files changed, 68 insertions(+), 5 deletions(-)
 create mode 100644 v10/define/err.go
 create mode 100644 v10/define/err_test.go

diff --git a/v10/default.go b/v10/default.go
index 90f1ef9..98774b6 100644
--- a/v10/default.go
+++ b/v10/default.go
@@ -22,7 +22,7 @@ import (
 func DefaultValidateRuleGenerateFunc(validateRule define.GenerateRuleExpressConfig) (express string, err error) {
 	ruleConfig := validateRule.Rule.Config()
 	if len(ruleConfig.ValidatorRule.String()) == 0 {
-		return "", errors.New("validate rule is empty")
+		return "", define.ErrValidatorRuleIsEmpty
 	}
 	if ruleConfig.WithoutParam {
 		// 验证规则不需要任何参数, 舍弃参数
@@ -30,13 +30,13 @@ func DefaultValidateRuleGenerateFunc(validateRule define.GenerateRuleExpressConf
 	}
 	// 验证参数数量
 	if ruleConfig.MinParamCnt > 0 && len(validateRule.ParamList) < ruleConfig.MinParamCnt {
-		return "", errors.New(ruleConfig.ValidatorRule.String() + " : validate rule param count is less than min param cnt -> " + fmt.Sprintf("%v", ruleConfig.MinParamCnt))
+		return "", errors.New(ruleConfig.ValidatorRule.String() + " : " + define.ErrValidatorRuleParamCntIsTooLess.Error() + "-> " + fmt.Sprintf("%v", ruleConfig.MinParamCnt))
 	}
 	if ruleConfig.MaxParamCnt > 0 && len(validateRule.ParamList) > ruleConfig.MaxParamCnt {
-		return "", errors.New(ruleConfig.ValidatorRule.String() + " : validate rule param count is more than max param cnt -> " + fmt.Sprintf("%v", ruleConfig.MaxParamCnt))
+		return "", errors.New(ruleConfig.ValidatorRule.String() + " :" + define.ErrValidatorRuleParamCntIsTooMore.Error() + " -> " + fmt.Sprintf("%v", ruleConfig.MaxParamCnt))
 	}
 	if ruleConfig.ParamCntMustEven && len(validateRule.ParamList)%2 != 0 {
-		return "", errors.New(ruleConfig.ValidatorRule.String() + " : validate rule param count should be even")
+		return "", errors.New(ruleConfig.ValidatorRule.String() + " : " + define.ErrValidatorRuleParamCntIsNotEven.Error())
 	}
 	paramStrList := make([]string, 0)
 	for _, param := range validateRule.ParamList {
@@ -52,7 +52,7 @@ func DefaultValidateRuleGenerateFunc(validateRule define.GenerateRuleExpressConf
 // Date : 11:44 2025/1/24
 func DefaultFieldValidateRuleGenerateFunc(fieldValidateRule define.FieldValidateGenerateConfig) (string, error) {
 	if len(fieldValidateRule.RuleGroup) == 0 && len(fieldValidateRule.RuleSimple.Rule.String()) == 0 {
-		return "", errors.New("rule group and rule simple all empty")
+		return "", define.ErrValidatorRuleGroupOrSimpleRuleAllEmpty
 	}
 	if len(fieldValidateRule.RuleGroup) == 0 {
 		// note: 当 fieldValidateRule.RuleGroup 不为空时, 会忽略 fieldValidateRule.RuleSimple 配置
diff --git a/v10/define/err.go b/v10/define/err.go
new file mode 100644
index 0000000..b83528e
--- /dev/null
+++ b/v10/define/err.go
@@ -0,0 +1,34 @@
+// Package define ...
+//
+// Description : define ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 2025-01-24 15:38
+package define
+
+import (
+	"errors"
+	"strings"
+)
+
+var (
+	ErrValidatorRuleIsEmpty           = errors.New("validator rule is empty")
+	ErrValidatorRuleParamCntIsTooLess = errors.New("validate rule param count is less than min param cnt")
+	ErrValidatorRuleParamCntIsTooMore = errors.New("validate rule param count is more than min param cnt")
+	ErrValidatorRuleParamCntIsNotEven = errors.New("validate rule param count is not even")
+
+	ErrValidatorRuleGroupOrSimpleRuleAllEmpty = errors.New("validator rule group or simple rule all empty")
+)
+
+// IsErr 是否指定类型Err
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 15:45 2025/1/24
+func IsErr(err error, subMsg string) bool {
+	if nil == err {
+		return false
+	}
+	return strings.Contains(err.Error(), subMsg)
+}
diff --git a/v10/define/err_test.go b/v10/define/err_test.go
new file mode 100644
index 0000000..6e3824b
--- /dev/null
+++ b/v10/define/err_test.go
@@ -0,0 +1,29 @@
+// Package define ...
+//
+// Description : define ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 2025-01-24 15:46
+package define
+
+import (
+	"errors"
+	. "github.com/smartystreets/goconvey/convey"
+	"testing"
+)
+
+func TestIsErr(t *testing.T) {
+	Convey("传入error为nil", t, func() {
+		isErrRes := IsErr(nil, "")
+		So(isErrRes, ShouldBeFalse)
+	})
+	Convey("传入error为test类型", t, func() {
+		isErrRes := IsErr(errors.New("aaatestbbb"), "test")
+		So(isErrRes, ShouldBeTrue)
+	})
+	Convey("传入error非test类型", t, func() {
+		isErrRes := IsErr(errors.New("aaatecccstbbb"), "test")
+		So(isErrRes, ShouldBeFalse)
+	})
+}