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Node-REDでシンプルなウェブサイト - 1.シンプルなhtmlを送ってみる / 2. 色を付けてみる

Last updated at Posted at 2017-07-17

初めてNode-REDを使ってみよう、というかたのためのガイドです。
Node-REDを使ってシンプルなウェブサイトを作ってみます。

1. シンプルなhtml出力

シンプルなhtml出力
[{"id":"95140036.80b9b","type":"http in","z":"75eef29b.360a7c","name":"","url":"/test10","method":"get","swaggerDoc":"","x":130,"y":100,"wires":[["22e702b3.031ca6"]]},{"id":"22e702b3.031ca6","type":"template","z":"75eef29b.360a7c","name":"hello","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"<html>\n    <body>\n        Hello.\n    </body>\n</html>","x":330,"y":100,"wires":[["dca7bf27.e28b7"]]},{"id":"dca7bf27.e28b7","type":"http response","z":"75eef29b.360a7c","name":"","x":510,"y":100,"wires":[]},{"id":"aa7e19fb.5c109","type":"comment","z":"75eef29b.360a7c","name":"シンプルなhtml出力","info":"","x":150,"y":60,"wires":[]}]

  • ブラウザでlocalhost:1880/test10へアクセスし画面を確認し、"Hello"と表示されるのを確認します。
    スクリーンショット 2017-05-01 15.49.23.png

  • Node-REDでhelloと書かれたテンプレートノード(オレンジ色)を開き、htmlの内容を確認します。

test10.html
<html>
    <body>
        Hello.
    </body>
</html>

2. 色を付けてみます

色を付けてみました
[{"id":"fccc0188.38ce6","type":"template","z":"75eef29b.360a7c","name":"test12.html","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"<html>\n    <head>\n        <style type=\"text/css\">\n            {{{payload.css}}}\n        </style>\n    </head>\n    <body>\n        <div id='a1'>\n            こんにちは\n        </div>\n    </body>\n</html>","x":470,"y":240,"wires":[["aaa886bb.30565"]]},{"id":"315eb68c.aab76a","type":"template","z":"75eef29b.360a7c","name":"css","field":"payload.css","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"#a1 {\n  background-color:  #98d98e;\n  padding: 20px;\n  height: 100px;\n}\n","x":310,"y":240,"wires":[["fccc0188.38ce6"]]},{"id":"41bc502c.15aed","type":"http in","z":"75eef29b.360a7c","name":"","url":"/test12","method":"get","swaggerDoc":"","x":130,"y":240,"wires":[["315eb68c.aab76a"]]},{"id":"aaa886bb.30565","type":"http response","z":"75eef29b.360a7c","name":"","x":630,"y":240,"wires":[]},{"id":"51cb04f7.19a094","type":"comment","z":"75eef29b.360a7c","name":"色を付けてみました","info":"","x":150,"y":200,"wires":[]}]

  • ブラウザでlocalhost:1880/test12へアクセスし画面を確認し、緑地に「こんにちは」と表示されるのを確認します。

スクリーンショット 2017-05-01 15.41.45.png

  • Node-REDでcssと書かれたテンプレートノード(オレンジ色)をダブルクリックして開き、スタイルシートの内容を確認します。
test14.css
#a1 {
  background-color:  #98d98e;
  padding: 20px;
  height: 100px;
}
  • Node-REDでtest12.htmlと書かれたテンプレートノード(オレンジ色)を開き、htmlの内容を確認します。
test14.html
<html>
    <head>
        <style type="text/css">
            {{{payload.css}}}
        </style>
    </head>
    <body>
        <div id='a1'>
            こんにちは
        </div>
    </body>
</html>
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