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				@@ -0,0 +1,37 @@ 
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				+<html> 
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				+    <head> 
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				+        <meta charset="UTF-8"> 
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				+        <meta charset="UTF-8"> 
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				+        <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous"> 
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				+        <script src="https://code.jquery.com/jquery-3.4.1.slim.min.js" integrity="sha384-J6qa4849blE2+poT4WnyKhv5vZF5SrPo0iEjwBvKU7imGFAV0wwj1yYfoRSJoZ+n" crossorigin="anonymous"></script> 
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				+        <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script> 
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				+        <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js" integrity="sha384-wfSDF2E50Y2D1uUdj0O3uMBJnjuUD4Ih7YwaYd1iqfktj0Uod8GCExl3Og8ifwB6" crossorigin="anonymous"></script> 
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				+ 
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				+        <link rel="stylesheet" href="https://pro.fontawesome.com/releases/v5.10.0/css/all.css" integrity="sha384-AYmEC3Yw5cVb3ZcuHtOA93w35dYTsvhLPVnYs9eStHfGJvOvKxVfELGroGkvsg+p" crossorigin="anonymous"/> 
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				+        <script src="https://code.jquery.com/jquery-3.6.0.js"></script> 
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				+        <title>Title</title> 
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				+ 
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				+    </head> 
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				+    <body> 
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				+        <form action="/kwtree" method="post" enctype="multipart/form-data"> 
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				+            file: <input type="file" id="file-uploader" name="file" value=""></br> 
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				+            <input type="submit" value="開始"> 
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				+        </form> 
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				+ 
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				+    <script> 
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				+        const fileUploader = document.getElementById('file-uploader'); 
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				+ 
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				+        fileUploader.addEventListener('change', (event) => { 
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				+          const files = event.target.files; 
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				+          console.log('files', files); 
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				+ 
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				+          const feedback = document.getElementById('feedback'); 
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				+          const msg = `File ${files[0].name} uploaded successfully!`; 
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				+          feedback.innerHTML = msg; 
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				+        }); 
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				+    </script> 
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				+ 
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				+ 
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				+ 
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				+    </body> 
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				+</html> 
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