UiPath 変数とは? 代入とは?

変数とは？

以下の簡単なワークフローで説明したいと思います｡

変数とは､箱です｡何でも入ります｡林檎でも､みかんでも､メロンでも｡

では､実際にワークフローを動かしながら変数と代入について見てみましょう｡
F11ボタンを押して､ステップ インしていきます｡
最初は何も代入していないので､ローカルパネルには｢null｣と記載されました｡

当然､まだ買い物かごに食べ物を入れていないので､メッセージボックスには何も表示されていません｡
図で示すと以下のような状態です｡

空っぽ

もちろん､メッセージボックスも空っぽです｡

では，買い物かごに｢”林檎”｣を代入してみます｡
代入とは､箱にものを入れる動作です｡

代入アクティビティを図で示すと上記と同じです｡

ローカルパネルで｢買い物かご｣を見ると､”林檎”に変化しました｡
変数｢買い物かご｣に”林檎”という文字を入れる､これが代入です｡

よって､メッセージボックスには”林檎”と表示されます｡

図で示すと以下のような状態ですね｡シュールです｡

変数とは？ 代入とは？

変数とは､箱だと思ってください｡箱の中身は林檎になったり､みかんになったりします｡
数が変わる = 変数と思っていいと思います｡(諸説あり)
代入とは､箱の中に物を入れる動作だと思ってください｡
代わりを入れる = 代入と思っていいと思います｡（諸説あり）

既定値とは？

既定値に｢みかん｣と入力してみます｡

図で示すと以下のようになります｡

まだ買い物かごに｢林檎｣を代入していませんが､既定値である｢みかん｣が代入されています｡

以上｡

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