golang的json操作

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"`
}

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"]}`

//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)
fmt.Println(dat["host"])
}

//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)
}
}

//go post方式提交
//导入："net/http" "crypto/tls"

//调用片段：

////machineArry
jsonMachine, err := json.Marshal(machineArry)
if err == nil {
fmt.Println("================array 到 json str==")
fmt.Println(string(jsonMachine))
}

//?link_token="+token_updatemachine
token_updatemachine :=beego.AppConfig.String("token_updatemachine")

mappara :=map[string]interface{}{}
mappara["updateJson"]=string(jsonMachine)
mappara["link_token"]=token_updatemachine
masterUrl222 := beego.AppConfig.String("masterUrl")

url222 := masterUrl222+"/cmdb/cmdbapi/updatemachine"
resmap :=this.HttpSendByJsonPost(url222,mappara)

if resmap.(map[string]interface{})["code"].(string) =="000" {
return  updatemap
}else{

updatemap["_code"] = "1"
updatemap["_msg"] = resmap.(map[string]interface{})["result"]

return updatemap

}

func (this *BaseController) HttpSendByJsonPost(url string,formData map[string]interface{}) interface{} {
req := httplib.Post(url)
req.SetTransport(&http.Transport{DisableKeepAlives: true})
for k, v := range formData {
req.Param(k, v.(string))
}
req.SetTLSClientConfig(&tls.Config{InsecureSkipVerify: true})
//req.Header("user", user)
//req.Header("role", role)
//req.SetHost()
var result interface{}
req.ToJson(&result)

fmt.Println("resultresultresultresultresult:--------------->>>>>>>",result)
return result
}