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トップに関する質問jsonを使ったファイルの送受信について

編集履歴

質問編集履歴

4

ほげ

2020/11/17 01:51

投稿

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_ecs

スコア9

test CHANGED
File without changes
test CHANGED
@@ -46,11 +46,121 @@
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  ```
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- 追記
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+ 追記:全体のコード
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  ```javascript
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+ // cookie取得
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+
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+ const get_cookie = name => {
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+
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+ let cookieValue = null;
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+
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+ if (document.cookie && document.cookie !== '') {
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+
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+ const cookies = document.cookie.split(';');
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+
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+ for (var i = 0; i < cookies.length; i++) {
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+
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+ let cookie = jQuery.trim(cookies[i]);
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+
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+ if (cookie.substring(0, name.length+1) === (name+'=')) {
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+
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+ cookieValue = decodeURIComponent(cookie.substring(name.length+1));
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+
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+ break;
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+
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+ }
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+
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+ }
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+
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+ }
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+
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+ return cookieValue;
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+
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+ }
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+
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+
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+
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+ class Transmission {
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+
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+ constructor(method, content, func) {
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+
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+ this.method = method;
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+
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+ this.content = content;
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+
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+ this.func = func;
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+
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+ this.__proto__.csrftoken = get_cookie('csrftoken');
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+
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+ }
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+
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+
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+
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+ send(url) {
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+
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+ fetch(url, {
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+
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+ method: this.method,
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+
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+ credentials: "same-origin",
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+
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+ headers: {
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+
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+ "Accept": "application/json",
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+
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+ "Content-Type": "application/json",
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+
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+ "X-CSRFToken": this.csrftoken,
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+
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+ },
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+
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+ body: JSON.stringify(this.content)
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+
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+ })
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+
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+ .then(response => {
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+
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+ if(response.ok) {
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+
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+ return response.json();
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+
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+ } else {
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+
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+ throw new Error("not found...");
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+
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+ }
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+
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+ })
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+
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+ .then(data => {
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+
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+ // thisの束縛
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+
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+ this.func(data);
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+
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+ })
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+
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+ .catch(e => {
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+
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+ console.log(e.message);
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+
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+ });
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+
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+ }
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+
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+ }
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+
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+ Transmission.uid = get_cookie('uid');
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+
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+
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+
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+
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+
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+ {
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+
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- let file_name = file_content = null;
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+ let file_name = file_content = null;
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164
 
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  // ファイル中身を展開しbase64エンコード
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166
 
@@ -80,6 +190,104 @@
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190
 
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  });
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+
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+
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+ // document.getElementById("send").addEventListener("click", e => {
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+
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+ // const cmd = document.getElementById("cmd");
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+
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+ // if(cmd.value != "") {
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+
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+ // let content = {
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+
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+ // sender: Transmission.uid,
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+
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+ // cmd: cmd.value,
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+
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+ // recipient: "00-FF-CE-89-86-5B"
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+
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+ // }
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+
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+ // if(file_name != null && file_content != null) {
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+
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+ // content["name"] = file_name;
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+
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+ // content["content"] = file_content;
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+
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+ // }
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+
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+
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+
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+ // tran = new Transmission(
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+
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+ // "POST",
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+
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+ // content,
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+
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+ // (data) => {
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+
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+ // console.log(data);
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+
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+ // }
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+
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+ // );
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+
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+ // tran.send("http://127.0.0.1:8000/api/command/?format=json");
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+
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+ // }
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+
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+ // });
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+
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+ document.getElementById("send").addEventListener("click", e => {
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+
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+ const cmd = document.getElementById("cmd");
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+
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+ if(cmd.value != "") {
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+
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+ let content = {
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+
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+ response: "hogheoh",
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+
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+ }
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+
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+ if(file_name != null && file_content != null) {
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+
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+ content["name"] = file_name;
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+
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+ content["content"] = file_content;
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+
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+ }
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+
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+
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+
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+ tran = new Transmission(
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+
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+ "PATCH",
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+
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+ content,
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+
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+ (data) => {
270
+
271
+ console.log(data);
272
+
273
+ }
274
+
275
+ );
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+
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+ tran.send("http://127.0.0.1:8000/api/command/2/?format=json");
278
+
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+ }
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+
281
+ });
282
+
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+ console.log(document.getElementById("target").value);
284
+
285
+ }
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+
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+
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+
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+
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+
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  ```
84
292
 
85
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3

ほげ

2020/11/17 01:51

投稿

_ecs
_ecs

スコア9

test CHANGED
File without changes
test CHANGED
@@ -46,6 +46,42 @@
46
46
 
47
47
  ```
48
48
 
49
+ 追記
50
+
51
+ ```javascript
52
+
53
+ let file_name = file_content = null;
54
+
55
+ // ファイル中身を展開しbase64エンコード
56
+
57
+ document.querySelector('.custom-file-input').addEventListener('change',function(e){
58
+
59
+ const file = document.getElementById("input_file").files[0];
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+
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+ const next_sibling = e.target.nextElementSibling;
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+
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+ file_name = file.name;
64
+
65
+ next_sibling.innerText = file_name;
66
+
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+ if (1 <= document.getElementById("input_file").files.length) {
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+
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+ let reader = new FileReader();
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+
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+ reader.onload = the_file => {
72
+
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+ file_content = btoa(encodeURIComponent(the_file.target.result));
74
+
75
+ }
76
+
77
+ reader.readAsText(file, "utf-8");
78
+
79
+ }
80
+
81
+ });
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+
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+ ```
84
+
49
85
 
50
86
 
51
87
  ### 補足情報（FW/ツールのバージョンなど）

2

ほげ

2020/11/17 01:30

投稿

_ecs
_ecs

スコア9

test CHANGED
File without changes
test CHANGED
@@ -53,3 +53,5 @@
53
53
 
54
54
 
55
55
  python3
56
+
57
+ django rest framework

1

ほげ

2020/11/17 01:04

投稿

_ecs
_ecs

スコア9

test CHANGED
File without changes
test CHANGED
@@ -36,7 +36,7 @@
36
36
 
37
37
  base64.b64decode(
38
38
 
39
- validated_data['content']
39
+ validated_data['content'] #jsでエンコードされた文字列
40
40
 
41
41
  ).decode()
42
42