Json数据协议
- 导入包：Import “encoding/json”
- 序列化: json.Marshal(data interface{})
- 反序列化: json.UnMarshal(data []byte, ?v ?interface{})
package mainimport ( ???"encoding/json" ???"fmt")type User struct { ???UserName string `json:"user_name"` ???NickName string `json:"nick_name"` ???Age int ???Birthday string ???Sex string ???Email string ???Phone string}func testStruct() { ???user1 := User{ ???????UserName:"user1", ???????NickName: "阿三", ???????Age: 18, ???????Birthday: "1999-9-9", ???????Sex: "男", ???????Email: "1234567890@qq.com", ???????Phone: "666666", ???} ???data, err := json.Marshal(user1) ???if err != nil { ???????fmt.Println(err) ???????return ???} ???fmt.Println(string(data))}func testMap() { ???var mp map[string]interface{} ???mp = make(map[string]interface{}) ???//因为map的值是空接口，所以值可以是任何类型 ???mp["username"] = "user1" ???mp["age"] = 16 ???mp["sex"] = "女" ???mp["score"] = 99.5 ???data, err := json.Marshal(mp) ???if err != nil { ???????fmt.Println(err) ???????return ???} ???fmt.Println(string(data))}func testSlice() { ???var s []map[string]interface{} ???var mp map[string]interface{} ???mp = make(map[string]interface{}) ???//因为map的值是空接口，所以值可以是任何类型 ???mp["username"] = "user66" ???mp["age"] = 17 ???mp["sex"] = "女" ???mp["score"] = 100 ???s = append(s, mp) ???//因为map的值是空接口，所以值可以是任何类型 ???mp["username"] = "user88" ???mp["age"] = 18 ???mp["sex"] = "男" ???mp["score"] = 10 ???s = append(s, mp) ???data, err := json.Marshal(s) ???if err != nil { ???????fmt.Println(err) ???????return ???} ???fmt.Println(string(data))}func main() { ???testStruct() ???testMap() ???testSlice()}输出：{"user_name":"user1","nick_name":"阿三","Age":18,"Birthday":"1999-9-9","Sex":"男","Email":"1234567890@qq.com","Phone":"666666"}
br/>{"user_name":"user1","nick_name":"阿三","Age":18,"Birthday":"1999-9-9","Sex":"男","Email":"1234567890@qq.com","Phone":"666666"}
[{"age":18,"score":10,"sex":"男","username":"user88"},{"age":18,"score":10,"sex":"男","username":"user88"}]
Process finished with exit code 0
json
原文地址：http://blog.51cto.com/5660061/2347953