feat(Go-StudyExample):创建项目，添加使用示例如下：

map与struct之间转换的处理工具使用示例，参考代码地址：https://github.com/mitchellh/mapstructure
json与struct之间转换处理工具使用示例

example/MapstructureExample.go

@@ -0,0 +1,94 @@
+package example
+
+import (
+	entity2 "Go-StudyExample/entity"
+	"encoding/json"
+	"fmt"
+	"github.com/goinggo/mapstructure"
+)
+
+//-----------------------json数据---------------------
+var document = `{"loginName":"sptest1","userType":{"userTypeId":1,"userTypeName":"normal_user","t":"2026-01-02 15:04:05"}}`
+
+var document1 = `{"cobrandId":10010352,"channelId":-1,"locale":"en_US","tncVersion":2,"people":[{"name":"jack","age":{"birth":10,"year":2000,"animals":[{"barks":"yes","tail":"yes"},{"barks":"no","tail":"yes"}]}},{"name":"jill","age":{"birth":11,"year":2001}}]}`
+
+var document2 = `[{"name":"bill"},{"name":"lisa"}]`
+
+//-----------------------------结构体-----------------------
+type Animal struct {
+	Barks string `jpath:"barks"`
+}
+
+type People struct {
+	Age     int      `jpath:"age.birth"` // jpath is relative to the array
+	Animals []Animal `jpath:"age.animals"`
+}
+
+type Items struct {
+	Categories []string `jpath:"categories"`
+	Peoples    []People `jpath:"people"` // Specify the location of the array
+}
+
+//---------------------------------测试方法------------------------
+
+func MapStructureTestFunc() {
+	var te entity2.Entity
+	m := make(map[string]interface{})
+	m["Num"] = 1
+	m["S"] = "test"
+	m["T"] = map[string]string{"1": "1", "2": "2"}
+
+	err := mapstructure.Decode(m, &te)
+	if err != nil {
+		panic(err.Error())
+	}
+
+	fmt.Print(te.Num, " ", te.S, " ", te.T)
+}
+
+func MapStructureTestFunc1() {
+	var docMap map[string]interface{}
+	_ = json.Unmarshal([]byte(document), &docMap)
+
+	var user entity2.User
+	err := mapstructure.Decode(docMap, &user)
+
+	if err != nil {
+		panic(err.Error())
+	}
+	fmt.Println(user.T.Format("2006-01-02 15:04:05"))
+	fmt.Println(user, " ", user.UserType.UserTypeId, " ", user.UserType.UserTypeName)
+}
+
+type NameDoc struct {
+	Name string `jpath:"name"`
+}
+
+func MapStructureTestFunc2() {
+
+	sliceScript := []byte(document2)
+	var sliceMap []map[string]interface{}
+	_ = json.Unmarshal(sliceScript, &sliceMap)
+
+	var myslice []NameDoc
+	err := mapstructure.DecodeSlicePath(sliceMap, &myslice)
+
+	if err != nil {
+		panic(err.Error())
+	}
+
+	fmt.Println(myslice[0], " ", myslice[1])
+}
+
+func MapStructureTestFunc3() {
+	docScript := []byte(document1)
+	var docMap map[string]interface{}
+	_ = json.Unmarshal(docScript, &docMap)
+
+	var items Items
+	err := mapstructure.DecodePath(docMap, &items)
+	if err != nil {
+		panic(err.Error())
+	}
+	fmt.Println(items.Peoples[0], items.Peoples[1])
+}