完成v1版本动态结构体创建 #5
197
dynamic_struct.go
Normal file
197
dynamic_struct.go
Normal file
@ -0,0 +1,197 @@
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// Package wrapper ...
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//
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// Description : wrapper ...
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 2024-08-21 16:43
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package wrapper
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import (
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"fmt"
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"reflect"
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)
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func NewDynamic() *DynamicStruct {
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return &DynamicStruct{
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structFieldList: make([]reflect.StructField, 0),
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}
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}
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// DynamicStruct 动态生成数据结构
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 16:48 2024/8/21
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type DynamicStruct struct {
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structFieldList []reflect.StructField // 结构体字段列表
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}
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// AddInt 添加int字段统一Int64
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 17:50 2024/8/21
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func (ds *DynamicStruct) AddInt(fieldName string, fieldTag string, pkgPath string) {
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ds.AddStructField(reflect.StructField{
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Name: fieldName,
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PkgPath: pkgPath,
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Type: reflect.TypeOf(int64(0)),
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Tag: reflect.StructTag(fmt.Sprintf(`json:"%v"`, fieldTag)),
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})
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}
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// AddUint 添加uint字段, 统一 uint64
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 17:50 2024/8/21
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func (ds *DynamicStruct) AddUint(fieldName string, fieldTag string, pkgPath string) {
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ds.AddStructField(reflect.StructField{
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Name: fieldName,
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PkgPath: pkgPath,
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Type: reflect.TypeOf(uint64(0)),
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Tag: reflect.StructTag(fieldTag),
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})
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}
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// AddString 添加字符串字段
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 17:49 2024/8/21
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func (ds *DynamicStruct) AddString(fieldName string, fieldTag string, pkgPath string) {
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ds.AddStructField(reflect.StructField{
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Name: fieldName,
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PkgPath: pkgPath,
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Type: reflect.TypeOf(""),
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Tag: reflect.StructTag(fmt.Sprintf(`json:"%v"`, fieldTag)),
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})
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}
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// AddBool 添加bool字段
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 17:49 2024/8/21
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func (ds *DynamicStruct) AddBool(fieldName string, fieldTag string, pkgPath string) {
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ds.AddStructField(reflect.StructField{
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Name: fieldName,
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PkgPath: pkgPath,
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Type: reflect.TypeOf(true),
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Tag: reflect.StructTag(fmt.Sprintf(`json:"%v"`, fieldTag)),
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})
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}
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// AddFloat 添加float字段, 统一 float64
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 17:48 2024/8/21
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func (ds *DynamicStruct) AddFloat(fieldName string, fieldTag string, pkgPath string) {
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ds.AddStructField(reflect.StructField{
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Name: fieldName,
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PkgPath: pkgPath,
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Type: reflect.TypeOf(float64(0)),
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Tag: reflect.StructTag(fmt.Sprintf(`json:"%v"`, fieldTag)),
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})
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}
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// AddSlice 添加slice
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 17:47 2024/8/21
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func (ds *DynamicStruct) AddSlice(fieldName string, fieldTag string, pkgPath string) {
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ds.AddStructField(reflect.StructField{
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Name: fieldName,
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PkgPath: pkgPath,
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Type: reflect.TypeOf([]any{}),
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Tag: reflect.StructTag(fieldTag),
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})
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}
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// AddMap 添加map字段
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 17:43 2024/8/21
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func (ds *DynamicStruct) AddMap(fieldName string, fieldTag string, pkgPath string) {
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ds.AddStructField(reflect.StructField{
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Name: fieldName,
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PkgPath: pkgPath,
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Type: reflect.TypeOf(map[string]any{}),
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Tag: reflect.StructTag(fieldTag),
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})
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}
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// AddAny 添加任意类型字段
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 17:52 2024/8/21
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func (ds *DynamicStruct) AddAny(fieldName string, fieldTag string, pkgPath string, value any) {
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if nil == value {
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// 不能是空指针
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return
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}
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ds.AddStructField(reflect.StructField{
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Name: fieldName,
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PkgPath: pkgPath,
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Type: reflect.TypeOf(value),
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Tag: reflect.StructTag(fieldTag),
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})
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}
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// AddStructField 添加结构体字段
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 17:42 2024/8/21
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func (ds *DynamicStruct) AddStructField(field reflect.StructField) {
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if field.Tag == "" {
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field.Tag = reflect.StructTag(fmt.Sprintf(`json:"%v"`, field.Name))
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}
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ds.structFieldList = append(ds.structFieldList, field)
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}
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// GetStructType 获取结构体的类型
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 16:58 2024/8/21
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func (ds *DynamicStruct) GetStructType() reflect.Type {
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return reflect.StructOf(ds.structFieldList)
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}
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// ToStructDefaultValue 获取结构体的值, 并采用对应类型默认值填充相关字段
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 16:56 2024/8/21
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func (ds *DynamicStruct) ToStructDefaultValue() any {
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defer ds.Clear()
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defaultValue := reflect.New(ds.GetStructType()).Elem().Interface()
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return defaultValue
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}
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// ToStructDefaultSliceValue 自动生成结构体列表
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 17:04 2024/8/21
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func (ds *DynamicStruct) ToStructDefaultSliceValue() any {
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defer ds.Clear()
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tSlice := reflect.MakeSlice(reflect.SliceOf(ds.GetStructType()), 0, 0)
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return reflect.New(tSlice.Type()).Elem().Interface()
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}
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// Clear 清理
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 17:08 2024/8/21
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func (ds *DynamicStruct) Clear() {
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// 清理掉已设置的字段, 不然实例复用会互相影响
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ds.structFieldList = make([]reflect.StructField, 0)
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}
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27
dynamic_struct_test.go
Normal file
27
dynamic_struct_test.go
Normal file
@ -0,0 +1,27 @@
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// Package wrapper ...
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//
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// Description : wrapper ...
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||||
//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 2024-08-21 17:56
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package wrapper
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import (
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"fmt"
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"github.com/mitchellh/mapstructure"
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"testing"
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)
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func TestNewDynamic(t *testing.T) {
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instance := NewDynamic()
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instance.AddInt("Age", "age", "")
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instance.AddString("Name", "name", "")
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defaultVal := instance.ToStructDefaultValue()
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testMap := map[string]any{
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"name": "白茶",
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"age": 18,
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}
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_ = mapstructure.Decode(testMap, &defaultVal)
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fmt.Println(defaultVal)
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}
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1
go.mod
1
go.mod
@ -21,6 +21,7 @@ require (
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github.com/davecgh/go-spew v1.1.1 // indirect
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github.com/go-ini/ini v1.67.0 // indirect
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github.com/mitchellh/go-homedir v1.1.0 // indirect
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github.com/mitchellh/mapstructure v1.5.0 // indirect
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github.com/mozillazg/go-pinyin v0.20.0 // indirect
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github.com/pmezard/go-difflib v1.0.0 // indirect
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github.com/tidwall/match v1.1.1 // indirect
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2
go.sum
2
go.sum
@ -38,6 +38,8 @@ github.com/go-ini/ini v1.67.0 h1:z6ZrTEZqSWOTyH2FlglNbNgARyHG8oLW9gMELqKr06A=
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github.com/go-ini/ini v1.67.0/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
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github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
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github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
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github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
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github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
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github.com/mozillazg/go-pinyin v0.20.0 h1:BtR3DsxpApHfKReaPO1fCqF4pThRwH9uwvXzm+GnMFQ=
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github.com/mozillazg/go-pinyin v0.20.0/go.mod h1:iR4EnMMRXkfpFVV5FMi4FNB6wGq9NV6uDWbUuPhP4Yc=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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