簡易 終極密碼(先生成亂數,然後textfiled能判斷輸入是數字才能繼續,若輸入是字元或空白不行動作,接著利用function帶入參數判斷)

1. if textfiled input is not char or float , then can get the Int number

2. use function to judge the input number

3. run app

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