package main
import (
"encoding/json" "fmt" "os"
)
type ConfigStruct struct {
Host string `json:"host"` Port int `json:"port"` AnalyticsFile string `json:"analytics_file"` StaticFileVersion int `json:"static_file_version"` StaticDir string `json:"static_dir"` TemplatesDir string `json:"templates_dir"` SerTcpSocketHost string `json:"serTcpSocketHost"` SerTcpSocketPort int `json:"serTcpSocketPort"` Fruits []string `json:"fruits"`
}
type Other struct {
SerTcpSocketHost string `json:"serTcpSocketHost"` SerTcpSocketPort int `json:"serTcpSocketPort"` Fruits []string `json:"fruits"`
}
type Object []interface{}
func main() {
jsonStr := `{"host": "http://localhost:9090","port": 9090,"analytics_file": "","static_file_version": 1,"static_dir": "E:/Project/goTest/src/","templates_dir": "E:/Project/goTest/src/templates/","serTcpSocketHost": ":12340","serTcpSocketPort": 12340,"fruits": ["apple", "peach"]}` jsonStr = `{"accessToken":"507b5e08ee444dck887b66bd08672905", "clientToken":"64e3a5415bfe405d9485f1jf2ea5c68e", "selectedProfile":{"id":"selID","name":"Bluek404"}, "availableProfiles":[{"id":"测试ava","name":"Bluek404"}]}` //json str 转map var dat map[string]interface{} if err := json.Unmarshal([]byte(jsonStr), &dat); err == nil { fmt.Println("==============json str 转map=======================") fmt.Println(dat) mapTmp := dat["selectedProfile"].(map[string]interface {}) fmt.Println(mapTmp["id"]) /* var dat2 map[string]interface{} if err := json.Unmarshal([]byte(jsonStr), &dat2); err == nil { fmt.Println( dat2["firstName"]) } */ mapTmp2 := (dat["availableProfiles"].([]interface {}))[0].(map[string]interface {}) //mapTmp3 := mapTmp2[0].(map[string]interface {}) fmt.Println(mapTmp2["id"]) } //json str 转struct var config ConfigStruct if err := json.Unmarshal([]byte(jsonStr), &config); err == nil { fmt.Println("================json str 转struct==") fmt.Println(config) fmt.Println(config.Host) } //json str 转struct(部份字段) var part Other if err := json.Unmarshal([]byte(jsonStr), &part); err == nil { fmt.Println("================json str 转struct==") fmt.Println(part) fmt.Println(part.SerTcpSocketPort) } //struct 到json str if b, err := json.Marshal(config); err == nil { fmt.Println("================struct 到json str==") fmt.Println(string(b)) } //map 到json str fmt.Println("================map 到json str=====================") enc := json.NewEncoder(os.Stdout) enc.Encode(dat) //array 到 json str arr := []string{"hello", "apple", "python", "golang", "base", "peach", "pear"} lang, err := json.Marshal(arr) if err == nil { fmt.Println("================array 到 json str==") fmt.Println(string(lang)) } //json 到 []string var wo []string if err := json.Unmarshal(lang, &wo); err == nil { fmt.Println("================json 到 []string==") fmt.Println(wo) }
}
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