COTOHA API Portal の使用例です。

フォルダー構造

$ tree -a
.
├── .env
├── get_config.go
├── get_token.go
└── proper_noun.go

proper_noun.go

// ---------------------------------------------------------------
//
//	proper_noun.go
//
//					Feb/25/2020
// ---------------------------------------------------------------
package main

import (
	"fmt"
	"os"
	"encoding/json"
	"net/http"
	"strings"
	"io/ioutil"
)

// ---------------------------------------------------------------
func proper_noun_proc(config map[string]interface{},sentence string) {
	out_filename := "out01.json"
	fmt.Printf("%s\n",sentence)

	data := make (map[string]interface{})
	data["sentence"] = sentence
	data["type"] = "default"
	str_json, _ := json.Marshal(data)
	fmt.Printf("%s\n",str_json)

	url_base := config["url_base"]
	fmt.Printf("%s\n",url_base)
	url_target := url_base.(string) + "v1/ne"
	fmt.Printf("%s\n",url_target)

	req, _ := http.NewRequest("POST", url_target, strings.NewReader(string(str_json)))

	req.Header.Set("Content-Type","application/json") 
	req.Header.Set("Authorization", "Bearer " + config["access_token"].(string))

	client := new(http.Client)
	resp, error := client.Do(req)
	if error != nil {
		fmt.Println("*** error *** client.Do ***")
		fmt.Println("Request error:", error)
		}

	bb, err := ioutil.ReadAll(resp.Body)
	if err == nil {
		ioutil.WriteFile (out_filename,bb,0666)

		var unit_aa map[string]interface{}
		json.Unmarshal ([]byte(string(bb)), &unit_aa)
		fmt.Printf("len(unit_aa) = %d\n", len(unit_aa))
		unit_bb := unit_aa["result"]
		fmt.Println(unit_bb)
		}	


}

// ---------------------------------------------------------------
func main() {

	fmt.Fprintf (os.Stderr,"*** 開始 ***\n")

	config := get_config_proc ()

	access_token := get_token_proc (config)

	config["access_token"] = access_token

	fmt.Printf("%s\n",config["access_token"])

	sentence := "特急はくたかで富山に向かいます。それから、金沢に行って、兼六園に行きます。"

	proper_noun_proc(config,sentence)

	fmt.Fprintf (os.Stderr,"*** 終了 ***\n")
}

// ---------------------------------------------------------------

get_config.go get_token.go はこちら
COTOHA API で構文解析 (Golang)

実行コマンド

go run proper_noun.go get_config.go get_token.go

次のJSONファイルが作成されます。

out01.json

{
  "result" : [ {
    "begin_pos" : 7,
    "end_pos" : 9,
    "form" : "富山",
    "std_form" : "富山",
    "class" : "LOC",
    "extended_class" : "",
    "source" : "basic"
  }, {
    "begin_pos" : 21,
    "end_pos" : 23,
    "form" : "金沢",
    "std_form" : "金沢",
    "class" : "LOC",
    "extended_class" : "",
    "source" : "basic"
  }, {
    "begin_pos" : 28,
    "end_pos" : 31,
    "form" : "兼六園",
    "std_form" : "兼六園",
    "class" : "LOC",
    "extended_class" : "",
    "source" : "basic"
  } ],
  "status" : 0,
  "message" : ""
}