Merge pull request '完成v1版本动态结构体创建' (#5) from feature/dynamic_struct into master

Reviewed-on: #5

any.go

@@ -43,7 +43,10 @@ type AnyType struct {
 //
 // Date : 18:21 2023/6/1
 func (at *AnyType) IsNil() bool {
-	return at.data == nil
+	if at.data == nil {
+		return true
+	}
+	return reflect.ValueOf(at.data).IsNil()
 }
 
 // Type 获取类型
@@ -97,7 +100,7 @@ func (at *AnyType) ToString() String {
 	case consts.DataTypeSliceAny:
 		var val []any
 		_ = serialize.JSON.Transition(at.data, &val)
-		return String(ArrayType[any, any](val).ToString().Value)
+		return String(ArrayType[any](val).ToString().Value)
 	case consts.DataTypeMapAnyAny:
 		return String(EasyMap(at.data).ToString())
 	case consts.DataTypeInt:

array.go

@@ -9,9 +9,7 @@ package wrapper
 
 import (
 	"encoding/json"
-	"errors"
 	"git.zhangdeman.cn/zhangdeman/op_type"
-	"github.com/tidwall/gjson"
 	"reflect"
 	"strings"
 )
@@ -21,8 +19,8 @@ import (
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 21:03 2023/6/11
-func ArrayType[Bt op_type.BaseType, ExtractDataType op_type.BaseType](value []Bt) *Array[Bt, ExtractDataType] {
+func ArrayType[Bt op_type.BaseType](value []Bt) *Array[Bt] {
-	at := &Array[Bt, ExtractDataType]{
+	at := &Array[Bt]{
 		value: value,
 	}
 	return at
@@ -33,7 +31,7 @@ func ArrayType[Bt op_type.BaseType, ExtractDataType op_type.BaseType](value []Bt
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 21:05 2023/6/11
-type Array[Bt op_type.BaseType, ExtractDataType op_type.BaseType] struct {
+type Array[Bt op_type.BaseType] struct {
 	value      []Bt
 	convertErr error
 	itemType   reflect.Kind // 简单list场景下, 每一项的数据类型
@@ -44,7 +42,7 @@ type Array[Bt op_type.BaseType, ExtractDataType op_type.BaseType] struct {
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 21:11 2023/6/11
-func (at *Array[Bt, ExtractDataType]) IsNil() bool {
+func (at *Array[Bt]) IsNil() bool {
 	return at.value == nil
 }
 
@@ -53,7 +51,7 @@ func (at *Array[Bt, ExtractDataType]) IsNil() bool {
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 11:42 2024/4/22
-func (at *Array[Bt, ExtractDataType]) ToStringSlice() []string {
+func (at *Array[Bt]) ToStringSlice() []string {
 	list := make([]string, 0)
 	for _, item := range at.value {
 		byteData, _ := json.Marshal(item)
@@ -67,7 +65,7 @@ func (at *Array[Bt, ExtractDataType]) ToStringSlice() []string {
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 17:43 2023/6/12
-func (at *Array[Bt, ExtractDataType]) Unique() []Bt {
+func (at *Array[Bt]) Unique() []Bt {
 	result := make([]Bt, 0)
 	dataTable := make(map[string]bool)
 
@@ -92,7 +90,7 @@ func (at *Array[Bt, ExtractDataType]) Unique() []Bt {
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 16:28 2023/7/31
-func (at *Array[Bt, ExtractDataType]) Has(input Bt) int {
+func (at *Array[Bt]) Has(input Bt) int {
 	for idx := 0; idx < len(at.value); idx++ {
 		if reflect.TypeOf(at.value[idx]).String() != reflect.TypeOf(input).String() {
 			// 类型不同
@@ -113,7 +111,7 @@ func (at *Array[Bt, ExtractDataType]) Has(input Bt) int {
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 16:57 2023/9/28
-func (at *Array[Bt, ExtractDataType]) ToString() StringResult {
+func (at *Array[Bt]) ToString() StringResult {
 	if at.IsNil() {
 		return StringResult{
 			Value: "",
@@ -132,7 +130,7 @@ func (at *Array[Bt, ExtractDataType]) ToString() StringResult {
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 17:42 2023/10/25
-func (at *Array[Bt, ExtractDataType]) ToStringWithSplit(split string) StringResult {
+func (at *Array[Bt]) ToStringWithSplit(split string) StringResult {
 	if at.IsNil() {
 		return StringResult{
 			Value: "",
@@ -144,47 +142,3 @@ func (at *Array[Bt, ExtractDataType]) ToStringWithSplit(split string) StringResu
 		Err:   nil,
 	}
 }
-
-// ExtractField 提取指定字段, 转换成数组
-//
-// Author : go_developer@163.com<白茶清欢>
-//
-// Date : 15:24 2024/8/6
-func (at *Array[Bt, ExtractDataType]) ExtractField(fieldPath string) ([]ExtractDataType, error) {
-	strValResult := at.ToString()
-	if nil != strValResult.Err {
-		return make([]ExtractDataType, 0), nil
-	}
-	gjsonResult := gjson.Parse(strValResult.Value)
-	if !gjsonResult.IsArray() {
-		return make([]ExtractDataType, 0), errors.New("input value is not slice")
-	}
-	arrList := gjsonResult.Array()
-	if len(arrList) == 0 {
-		return make([]ExtractDataType, 0), nil
-	}
-	res := make([]ExtractDataType, 0)
-	for _, item := range arrList {
-		valueResult := item.Get(fieldPath)
-		if !valueResult.Exists() {
-			// 不存在
-			continue
-		}
-		var val ExtractDataType
-		if err := ConvertAssign(&val, valueResult.String()); nil != err {
-			return nil, err
-		}
-		res = append(res, val)
-	}
-	return res, nil
-}
-
-// ExtractFieldIgnoreError 提取指定字段并忽略异常
-//
-// Author : go_developer@163.com<白茶清欢>
-//
-// Date : 15:28 2024/8/6
-func (at *Array[Bt, ExtractDataType]) ExtractFieldIgnoreError(field string) []ExtractDataType {
-	res, _ := at.ExtractField(field)
-	return res
-}

array_test.go

@@ -13,24 +13,6 @@ import (
 )
 
 func TestArray_Unique(t *testing.T) {
-	fmt.Println(ArrayType[any, any]([]any{"1", 1, 1, "1", 2, 3}).Unique())
+	fmt.Println(ArrayType([]any{"1", 1, 1, "1", 2, 3}).Unique())
-	fmt.Println(ArrayType[int, any]([]int{1, 1, 2, 3}).Unique())
+	fmt.Println(ArrayType([]int{1, 1, 2, 3}).Unique())
-}
-
-func TestArray_ExtractField(t *testing.T) {
-	testMap := []any{
-		map[string]any{
-			"age":  18,
-			"name": "baicha",
-		},
-		map[string]any{
-			"age":  20,
-			"name": "qinghuan",
-		},
-		map[string]any{
-			"foo": "bar",
-		},
-	}
-	fmt.Println(ArrayType[any, int](testMap).ExtractField("age"))
-	fmt.Println(ArrayType[any, string](testMap).ExtractField("name"))
 }

dynamic_struct.go

@@ -0,0 +1,197 @@
+// Package wrapper ...
+//
+// Description : wrapper ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 2024-08-21 16:43
+package wrapper
+
+import (
+	"fmt"
+	"reflect"
+)
+
+func NewDynamic() *DynamicStruct {
+	return &DynamicStruct{
+		structFieldList: make([]reflect.StructField, 0),
+	}
+}
+
+// DynamicStruct 动态生成数据结构
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 16:48 2024/8/21
+type DynamicStruct struct {
+	structFieldList []reflect.StructField // 结构体字段列表
+}
+
+// AddInt 添加int字段统一Int64
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 17:50 2024/8/21
+func (ds *DynamicStruct) AddInt(fieldName string, fieldTag string, pkgPath string) {
+	ds.AddStructField(reflect.StructField{
+		Name:    fieldName,
+		PkgPath: pkgPath,
+		Type:    reflect.TypeOf(int64(0)),
+		Tag:     reflect.StructTag(fmt.Sprintf(`json:"%v"`, fieldTag)),
+	})
+}
+
+// AddUint 添加uint字段, 统一 uint64
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 17:50 2024/8/21
+func (ds *DynamicStruct) AddUint(fieldName string, fieldTag string, pkgPath string) {
+	ds.AddStructField(reflect.StructField{
+		Name:    fieldName,
+		PkgPath: pkgPath,
+		Type:    reflect.TypeOf(uint64(0)),
+		Tag:     reflect.StructTag(fieldTag),
+	})
+}
+
+// AddString 添加字符串字段
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 17:49 2024/8/21
+func (ds *DynamicStruct) AddString(fieldName string, fieldTag string, pkgPath string) {
+	ds.AddStructField(reflect.StructField{
+		Name:    fieldName,
+		PkgPath: pkgPath,
+		Type:    reflect.TypeOf(""),
+		Tag:     reflect.StructTag(fmt.Sprintf(`json:"%v"`, fieldTag)),
+	})
+}
+
+// AddBool 添加bool字段
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 17:49 2024/8/21
+func (ds *DynamicStruct) AddBool(fieldName string, fieldTag string, pkgPath string) {
+	ds.AddStructField(reflect.StructField{
+		Name:    fieldName,
+		PkgPath: pkgPath,
+		Type:    reflect.TypeOf(true),
+		Tag:     reflect.StructTag(fmt.Sprintf(`json:"%v"`, fieldTag)),
+	})
+}
+
+// AddFloat 添加float字段, 统一 float64
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 17:48 2024/8/21
+func (ds *DynamicStruct) AddFloat(fieldName string, fieldTag string, pkgPath string) {
+	ds.AddStructField(reflect.StructField{
+		Name:    fieldName,
+		PkgPath: pkgPath,
+		Type:    reflect.TypeOf(float64(0)),
+		Tag:     reflect.StructTag(fmt.Sprintf(`json:"%v"`, fieldTag)),
+	})
+}
+
+// AddSlice 添加slice
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 17:47 2024/8/21
+func (ds *DynamicStruct) AddSlice(fieldName string, fieldTag string, pkgPath string) {
+	ds.AddStructField(reflect.StructField{
+		Name:    fieldName,
+		PkgPath: pkgPath,
+		Type:    reflect.TypeOf([]any{}),
+		Tag:     reflect.StructTag(fieldTag),
+	})
+}
+
+// AddMap 添加map字段
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 17:43 2024/8/21
+func (ds *DynamicStruct) AddMap(fieldName string, fieldTag string, pkgPath string) {
+	ds.AddStructField(reflect.StructField{
+		Name:    fieldName,
+		PkgPath: pkgPath,
+		Type:    reflect.TypeOf(map[string]any{}),
+		Tag:     reflect.StructTag(fieldTag),
+	})
+}
+
+// AddAny 添加任意类型字段
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 17:52 2024/8/21
+func (ds *DynamicStruct) AddAny(fieldName string, fieldTag string, pkgPath string, value any) {
+	if nil == value {
+		// 不能是空指针
+		return
+	}
+	ds.AddStructField(reflect.StructField{
+		Name:    fieldName,
+		PkgPath: pkgPath,
+		Type:    reflect.TypeOf(value),
+		Tag:     reflect.StructTag(fieldTag),
+	})
+}
+
+// AddStructField 添加结构体字段
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 17:42 2024/8/21
+func (ds *DynamicStruct) AddStructField(field reflect.StructField) {
+	if field.Tag == "" {
+		field.Tag = reflect.StructTag(fmt.Sprintf(`json:"%v"`, field.Name))
+	}
+	ds.structFieldList = append(ds.structFieldList, field)
+}
+
+// GetStructType 获取结构体的类型
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 16:58 2024/8/21
+func (ds *DynamicStruct) GetStructType() reflect.Type {
+	return reflect.StructOf(ds.structFieldList)
+}
+
+// ToStructDefaultValue 获取结构体的值, 并采用对应类型默认值填充相关字段
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 16:56 2024/8/21
+func (ds *DynamicStruct) ToStructDefaultValue() any {
+	defer ds.Clear()
+	defaultValue := reflect.New(ds.GetStructType()).Elem().Interface()
+	return defaultValue
+}
+
+// ToStructDefaultSliceValue 自动生成结构体列表
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 17:04 2024/8/21
+func (ds *DynamicStruct) ToStructDefaultSliceValue() any {
+	defer ds.Clear()
+	tSlice := reflect.MakeSlice(reflect.SliceOf(ds.GetStructType()), 0, 0)
+	return reflect.New(tSlice.Type()).Elem().Interface()
+}
+
+// Clear 清理
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 17:08 2024/8/21
+func (ds *DynamicStruct) Clear() {
+	// 清理掉已设置的字段, 不然实例复用会互相影响
+	ds.structFieldList = make([]reflect.StructField, 0)
+}

dynamic_struct_test.go

@@ -0,0 +1,27 @@
+// Package wrapper ...
+//
+// Description : wrapper ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 2024-08-21 17:56
+package wrapper
+
+import (
+	"fmt"
+	"github.com/mitchellh/mapstructure"
+	"testing"
+)
+
+func TestNewDynamic(t *testing.T) {
+	instance := NewDynamic()
+	instance.AddInt("Age", "age", "")
+	instance.AddString("Name", "name", "")
+	defaultVal := instance.ToStructDefaultValue()
+	testMap := map[string]any{
+		"name": "白茶",
+		"age":  18,
+	}
+	_ = mapstructure.Decode(testMap, &defaultVal)
+	fmt.Println(defaultVal)
+}

go.mod

@@ -21,6 +21,7 @@ require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/go-ini/ini v1.67.0 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/mozillazg/go-pinyin v0.20.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/tidwall/match v1.1.1 // indirect

go.sum

@@ -38,6 +38,8 @@ github.com/go-ini/ini v1.67.0 h1:z6ZrTEZqSWOTyH2FlglNbNgARyHG8oLW9gMELqKr06A=
 github.com/go-ini/ini v1.67.0/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
 github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
+github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
+github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/mozillazg/go-pinyin v0.20.0 h1:BtR3DsxpApHfKReaPO1fCqF4pThRwH9uwvXzm+GnMFQ=
 github.com/mozillazg/go-pinyin v0.20.0/go.mod h1:iR4EnMMRXkfpFVV5FMi4FNB6wGq9NV6uDWbUuPhP4Yc=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=

object.go

@@ -71,7 +71,10 @@ func (ot *ObjectType) IsValid() bool {
 //
 // Date : 18:50 2023/6/1
 func (ot *ObjectType) IsNil() bool {
-	return ot.source == nil
+	if ot.source == nil {
+		return true
+	}
+	return reflect.ValueOf(ot.source).IsNil()
 }
 
 // ToString 转字符串