add SetErrMsg to SDKError

go.mod

@@ -1,5 +1,7 @@
 module github.com/alibabacloud-go/tea
 
+go 1.14
+
 require (
 	github.com/alibabacloud-go/debug v0.0.0-20190504072949-9472017b5c68
 	golang.org/x/net v0.0.0-20200226121028-0de0cce0169b

tea/tea.go

@@ -71,6 +71,8 @@ type SDKError struct {
 	Code    *string
 	Message *string
 	Data    *string
+	Stack   *string
+	errMsg  *string
 }
 
 // RuntimeObject is used for converting http configuration
@@ -178,6 +180,19 @@ func NewSDKError(obj map[string]interface{}) *SDKError {
 	return err
 }
 
+func (err *SDKError) SetErrMsg(msg string) {
+	err.errMsg = String(msg)
+}
+
+func (err *SDKError) Error() string {
+	if err.errMsg == nil {
+		str := fmt.Sprintf("SDKError:\n   Code: %s\n   Message: %s\n   Data: %s\n",
+			StringValue(err.Code), StringValue(err.Message), StringValue(err.Data))
+		err.SetErrMsg(str)
+	}
+	return StringValue(err.errMsg)
+}
+
 // Return message of CastError
 func (err *CastError) Error() string {
 	return StringValue(err.Message)
@@ -495,11 +510,6 @@ func setDialContext(runtime *RuntimeObject, port int) func(cxt context.Context,
 	}
 }
 
-func (err *SDKError) Error() string {
-	return fmt.Sprintf("SDKError:\n   Code: %s\n   Message: %s\n   Data: %s\n",
-		StringValue(err.Code), StringValue(err.Message), StringValue(err.Data))
-}
-
 func ToObject(obj interface{}) map[string]interface{} {
 	result := make(map[string]interface{})
 	byt, _ := json.Marshal(obj)
@@ -650,6 +660,9 @@ func structToMap(dataValue reflect.Value) map[string]interface{} {
 		return out
 	}
 	if dataValue.Kind().String() == "ptr" {
+		if dataValue.IsNil() {
+			return out
+		}
 		dataValue = dataValue.Elem()
 	}
 	if !dataValue.IsValid() {
@@ -664,9 +677,12 @@ func structToMap(dataValue reflect.Value) map[string]interface{} {
 		name, containsNameTag := field.Tag.Lookup("json")
 		if !containsNameTag {
 			name = field.Name
+		} else {
+			strs := strings.Split(name, ",")
+			name = strs[0]
 		}
 		fieldValue := dataValue.FieldByName(field.Name)
-		if !fieldValue.IsValid() {
+		if !fieldValue.IsValid() || fieldValue.IsNil() {
 			continue
 		}
 		if field.Type.Kind().String() == "struct" {
@@ -870,6 +886,8 @@ func validatePtr(elementValue reflect.Value, containsregexpTag bool, tag, tagNam
 
 func checkRequire(field reflect.StructField, valueField reflect.Value) error {
 	name, _ := field.Tag.Lookup("json")
+	strs := strings.Split(name, ",")
+	name = strs[0]
 	if !valueField.IsNil() && valueField.IsValid() {
 		return nil
 	}

tea/tea_test.go

@@ -18,8 +18,8 @@ import (
 )
 
 type test struct {
-	Key  string `json:"key"`
-	Body []byte `json:"body"`
+	Key  string `json:"key,omitempty"`
+	Body []byte `json:"body,omitempty"`
 }
 
 type PrettifyTest struct {
@@ -46,16 +46,16 @@ var runtimeObj = map[string]interface{}{
 }
 
 type validateTest struct {
-	Num1      *int          `json:"num1" require:"true" minimum:"2"`
-	Num2      *int          `json:"num2" maximum:"6"`
-	Name1     *string       `json:"name1" maxLength:"4"`
-	Name2     *string       `json:"name2" minLength:"2"`
-	Str       *string       `json:"str" pattern:"^[a-d]*$" maxLength:"4"`
-	MaxLength *errMaxLength `json:"MaxLength"`
-	MinLength *errMinLength `json:"MinLength"`
-	Maximum   *errMaximum   `json:"Maximum"`
-	Minimum   *errMinimum   `json:"Minimum"`
-	List      []*string     `json:"list" pattern:"^[a-d]*$" maxLength:"4"`
+	Num1      *int          `json:"num1,omitempty" require:"true" minimum:"2"`
+	Num2      *int          `json:"num2,omitempty" maximum:"6"`
+	Name1     *string       `json:"name1,omitempty" maxLength:"4"`
+	Name2     *string       `json:"name2,omitempty" minLength:"2"`
+	Str       *string       `json:"str,omitempty" pattern:"^[a-d]*$" maxLength:"4"`
+	MaxLength *errMaxLength `json:"MaxLength,omitempty"`
+	MinLength *errMinLength `json:"MinLength,omitempty"`
+	Maximum   *errMaximum   `json:"Maximum,omitempty"`
+	Minimum   *errMinimum   `json:"Minimum,omitempty"`
+	List      []*string     `json:"list,omitempty" pattern:"^[a-d]*$" maxLength:"4"`
 }
 
 type errMaxLength struct {
@@ -221,12 +221,12 @@ func TestMerge(t *testing.T) {
 }
 
 type Test struct {
-	Msg         *string      `json:"Msg"`
-	Cast        *CastError   `json:"Cast"`
-	ListPtr     []*string    `json:"ListPtr"`
-	List        []string     `json:"List"`
-	CastList    []CastError  `json:"CastList"`
-	CastListPtr []*CastError `json:"CastListPtr"`
+	Msg         *string      `json:"Msg,omitempty"`
+	Cast        *CastError   `json:"Cast,omitempty"`
+	ListPtr     []*string    `json:"ListPtr,omitempty"`
+	List        []string     `json:"List,omitempty"`
+	CastList    []CastError  `json:"CastList,omitempty"`
+	CastListPtr []*CastError `json:"CastListPtr,omitempty"`
 }
 
 func TestToMap(t *testing.T) {
@@ -366,7 +366,7 @@ func Test_DoRequest(t *testing.T) {
 	runtimeObj["httpsProxy"] = "# #%gfdf"
 	resp, err = DoRequest(request, runtimeObj)
 	utils.AssertNil(t, resp)
-	utils.AssertEqual(t, `parse # #%gfdf: invalid URL escape "%gf"`, err.Error())
+	utils.AssertContains(t, err.Error(), `invalid URL escape "%gf"`)
 
 	request.Pathname = String("?log")
 	request.Headers["tea"] = String("")
@@ -383,7 +383,7 @@ func Test_DoRequest(t *testing.T) {
 	runtimeObj["socks5Proxy"] = "# #%gfdf"
 	resp, err = DoRequest(request, runtimeObj)
 	utils.AssertNil(t, resp)
-	utils.AssertEqual(t, `parse # #%gfdf: invalid URL escape "%gf"`, err.Error())
+	utils.AssertContains(t, err.Error(), ` invalid URL escape "%gf"`)
 
 	hookDo = func(fn func(req *http.Request) (*http.Response, error)) func(req *http.Request) (*http.Response, error) {
 		return func(req *http.Request) (*http.Response, error) {