1. ??: Go? ??? ? ???? ??
2. ?? ??: ???/json ? gopkg.in/yaml.v2 ??
3. ?? ?: Go? ??? ? ????
   • 3.1 ?? ??? ? ????
   • 3.2 ???? ??? ?? ???
   • 3.3 ??? ??? ??? ??? ??
   • 3.4 ?? ??
   • 3.5 ?? ?? ??
4. ?? ????: ?? ?? ??
5. ?? ??: ????? ?? ??? ??? ??? ?? ??
6. ??

---

1. ??: Go? ??? ? ???? ??

??? ? ????? ??? ??, ?? ? ??? ?? ????? ??? ?? ?????. Go?? ???? ??? ??? ?? ????? ??? ? ?? ??(?: JSON, YAML ?? ????)?? ???? ????? ?????. ????? ???? ???? ?? Go ??? ??? ???? ??????.

Go??? ?? ?????? ?? ???? ?? ??? ? ????? ??????. ? ????? ??? ????? ?? ??? ???? ???/json ? gopkg.in/yaml.v2? ?? ?? ???? ???? Go?? ???? ????? ???? ??? ?????.

---

2. ?? ??: ???/json ? gopkg.in/yaml.v2 ??

Go? Marshal(???) ? Unmarshal(????)? ?? ??? ???? ???/json ???? ?? JSON ??? ?? ?? ??? ?????. ????? gopkg.in/yaml.v2? YAML ??? ??? ???? ?? ?? ?? ????, yaml.Marshal ? yaml.Unmarshal? ?? ??? ?????.

• encoding/json: ? ???? ???? Go ??? JSON ???? ?? ? ??? ?? ??? ? ????. ?? ??? ??? ??? ??? ?? ?? ???/???? ?????.

• gopkg.in/yaml.v2: ? ???? Go?? YAML ??? ?? ?????. YAML? ??? ?? ? ?? ??? ??? ???? ?? ??? ?? ???? Go? YAML ???? ???? Go ???? ?? ????? ???? ? ????.

??? ???? ???? Go?? ??? ??? ???? ???? ??? ? ???? ??? ??, ?? ? ??? ? ?????.

---

3. ?? ?: Go? ??? ? ????

?? Go?? ??? ? ????? ???? ??? ?? ?? ??? ???????.

3.1 ?? ??? ? ????

?? JSON? YAML?? ?? ??? ??? ??? ? ?????? ??? ???????.

??:

package main

import (
    "fmt"
    "encoding/json"
    "gopkg.in/yaml.v2"
)

// Basic data structure.
type Person struct {
    Name string `json:"name" yaml:"name"`
    Age  int    `json:"age" yaml:"age"`
}

func main() {
    // Create an instance of Person
    person := Person{Name: "John", Age: 30}

    // Serialize to JSON
    jsonData, _ := json.Marshal(person)
    fmt.Println("JSON:", string(jsonData))

    // Serialize to YAML
    yamlData, _ := yaml.Marshal(person)
    fmt.Println("YAML:", string(yamlData))

    // Deserialize JSON
    var jsonPerson Person
    json.Unmarshal(jsonData, &jsonPerson)
    fmt.Println("Deserialized from JSON:", jsonPerson)

    // Deserialize YAML
    var yamlPerson Person
    yaml.Unmarshal(yamlData, &yamlPerson)
    fmt.Println("Deserialized from YAML:", yamlPerson)
}

??:

? ????? ??? Person ???? JSON ? YAML ???? ?? ??? ? ?????? ??? ?????. json.Marshal ? yaml.Marshal ??? ??? ???? ???? json.Unmarshal ? yaml.Unmarshal? ????? ?????.

3.2 ???? ??? ?? ??

Go? ???? ??? ???, ??, ???? ? ? ??? ??? ??? ??? ? ????? ? ????.

??:

type Address struct {
    Street string `json:"street" yaml:"street"`
    City   string `json:"city" yaml:"city"`
}

type PersonWithAddress struct {
    Name    string  `json:"name" yaml:"name"`
    Age     int     `json:"age" yaml:"age"`
    Address Address `json:"address" yaml:"address"`
}

func main() {
    address := Address{Street: "123 Main St", City: "Gotham"}
    person := PersonWithAddress{Name: "Bruce Wayne", Age: 35, Address: address}

    // Serialize to JSON
    jsonData, _ := json.Marshal(person)
    fmt.Println("JSON:", string(jsonData))

    // Serialize to YAML
    yamlData, _ := yaml.Marshal(person)
    fmt.Println("YAML:", string(yamlData))
}

??:

???? ??? ??? Address? ??? ??? ??? PersonWithAddress? ??? ? ???????. JSON? YAML ???? ?? ?? ???? ?? ???? ?????.

3.3 ??? ??? ??? ??? ??

Go ????? ??? ??? ???? ????? ??? ???? ??? ??? ? ????. ??? ??? ???? ?? ??? ???? ????? ???? ?? ??? ??? ?????.

??:

type CustomPerson struct {
    Name    string `json:"full_name" yaml:"full_name"`
    Age     int    `json:"-" yaml:"-"` // Exclude from serialization
    Email   string `json:"email,omitempty" yaml:"email,omitempty"` // Omit if empty
}

func main() {
    person := CustomPerson{Name: "Alice", Age: 25, Email: ""}

    // Serialize to JSON
    jsonData, _ := json.Marshal(person)
    fmt.Println("JSON:", string(jsonData))

    // Serialize to YAML
    yamlData, _ := yaml.Marshal(person)
    fmt.Println("YAML:", string(yamlData))
}

??:

? ??? CustomPerson ???? ??? ???? ??? ????? ??? ?????. Age ??? JSON? YAML ??? ???? ????, Email ??? ?? ??? ?????(?? ??).

3.4 ?? ??

??? ? ??????? ??? ?? ??? ?????. ??? ?? ??? ? ??? ???? ????? ?? ??? ??? ?????.

??:

func safeMarshal(v interface{}) (string, error) {
    data, err := json.Marshal(v)
    if err != nil {
        return "", fmt.Errorf("Error serializing data: %v", err)
    }
    return string(data), nil
}

func main() {
    // Example with error handling
    person := Person{Name: "John", Age: -5} // Invalid data (Age cannot be negative)

    jsonData, err := safeMarshal(person)
    if err != nil {
        fmt.Println("Error:", err)
    } else {
        fmt.Println("JSON:", jsonData)
    }
}

??:

? ??? safeMarshal ??? json.Marshal ??? ???? ?? ?? ??? ???? ??? ?? ??? ???? ?? ???? ?????.

3.5 ?? ?? ??

Go? ???? ??? ???? ??? ? ??? ??? ???? ??? ? ????? ???? ??? ? ?? ??? ??? ? ????.

??:

import "reflect"

func generateSerializationFunction(v interface{}) string {
    typ := reflect.TypeOf(v).Elem()
    return fmt.Sprintf("func Serialize%s(data %s) string { ... }", typ.Name(), typ.Name())
}

func main() {
    var person Person
    code := generateSerializationFunction(&person)
    fmt.Println("Generated Code:", code)
}

??:

? ????? ????? ???? ??? ??? ??? ???? ? ?? ??? ???? ?????. ?? ??? ???????? ??? ??? ??? ??? ? ??? ? ????.

---

?? ????: ?? ?? ?? {#full-scenario}

??? ??? ??? ?? ?? ??? ????????. JSON? YAML? ?? ?? ???? ?????, ??????? ???? ????, ??? ??? ?? ?? SQL ??? ???? ? API? ??? ???.

??:

package main

import (
    "fmt"
    "encoding/json"
    "gopkg.in/yaml.v2"
)

// Basic data structure.
type Person struct {
    Name string `json:"name" yaml:"name"`
    Age  int    `json:"age" yaml:"age"`
}

func main() {
    // Create an instance of Person
    person := Person{Name: "John", Age: 30}

    // Serialize to JSON
    jsonData, _ := json.Marshal(person)
    fmt.Println("JSON:", string(jsonData))

    // Serialize to YAML
    yamlData, _ := yaml.Marshal(person)
    fmt.Println("YAML:", string(yamlData))

    // Deserialize JSON
    var jsonPerson Person
    json.Unmarshal(jsonData, &jsonPerson)
    fmt.Println("Deserialized from JSON:", jsonPerson)

    // Deserialize YAML
    var yamlPerson Person
    yaml.Unmarshal(yamlData, &yamlPerson)
    fmt.Println("Deserialized from YAML:", yamlPerson)
}

??:

? ?? ???? ?? ???(JSON ??)? Go ???? ????? ?? ?? ???? ??????? ???? ???? ?? SQL ??? ?????. ?? ???, ???? ? ?? ?? ??? ?? ????? ??? ? ?? ??? ?????.

---

5. ?? ??: ????? ?? ??? ??? ??? ?? ??

1. ?? ??: ?? ??? ???? ?????. ??? ? ???? ???? ?? ??? ?? ?? ??? ?? ???? ????? ?????.
2. ??? ?? ??: ??? ??(?: ?? ??, ??, ??? ?? ??)? ????? ??? ??? ? ?????.
3. ????? ???? ???? ???: ????? ????? ??? ?? ??? ?? ???? ??? ?? ? ????. ? ??? ???? ?????.
4. ?? ???: ??? ??? ??? ??? ? ? ?? ??? ?? json.NewEncoder ? json.NewDecoder? ?? ???? ??? ???? ?? ????.
5. ??? ???? ???: ???? ???? ?? ?? ??? ?? ????? ??? ? ???? ??? ??????.

---

6. ??

? ????? JSON ? YAML? ???? Go?? ??? ? ????? ?? ??? ???????. ?? ? ??? ??, ?? ??? ??? ??? ??, ?? ?? ? ?? ?? ??? ??????. ?? ??? ??? ?? ??? ???? ?? ?? ????? ??????.

Go? ?? ????? ?? ???, ??? ?? ???/??? ??, ?? ??? ??? ??? ?? ?? ??????? ??? ?? ?? ??? ??? ???.

---

? ??? Go ??? ?? ??: ??? ??, ?? ?? ? ?? ?? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!