1. 完成檔案生成瀏覽器下載功能
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shouchih_chen
parent
0b18e4b8ab
commit
e329908d88
51
app.py
51
app.py
@ -1,8 +1,10 @@
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import os
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import uuid
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from flask import Flask, render_template, request, send_file
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import subprocess
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from datetime import datetime
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import zipfile
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import io
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app = Flask(__name__)
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@ -24,6 +26,9 @@ def allowed_file(filename):
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@app.route("/")
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def index():
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search_str = 'e771'
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return render_template("index.html")
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@app.route("/hello")
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def hello():
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@ -38,15 +43,42 @@ def upload_csv():
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if file.filename == '':
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return "No selected file", 400
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if file and allowed_file(file.filename):
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unique_filename = str(uuid.uuid4()) + '.csv'
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csv_path = os.path.join(app.config['UPLOAD_FOLDER'], unique_filename)
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uuid_str = str(uuid.uuid4())[:4]
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unique_filename = datetime.now().strftime("%Y%m%d_%H%M")+ '_' + uuid_str
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csv_path = os.path.join(app.config['UPLOAD_FOLDER'], unique_filename+'.csv')
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file.save(csv_path)
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print(f"CSV file saved to {csv_path}")
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try:
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# 呼叫外部 Python 腳本來生成圖片
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subprocess.run([os.path.join(os.getcwd(), '.venv', 'Scripts', 'python'), 'generate_images.py', csv_path], check=True)
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subprocess.run([os.path.join(os.getcwd(), '.venv', 'Scripts', 'python'), 'generate_images.py', csv_path, unique_filename ], check=True)
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folder = app.config['GENERATED_IMAGES_FOLDER']
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matched_files = [f for f in os.listdir(folder) if uuid_str in f and f.endswith('.png')]
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print(f"Matched files: {matched_files}")
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# 壓縮所有圖片到一個 zip
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zip_buffer = io.BytesIO()
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with zipfile.ZipFile(zip_buffer, 'w') as zip_file:
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for filename in matched_files:
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file_path = os.path.join(folder, filename)
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zip_file.write(file_path, arcname=filename)
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zip_buffer.seek(0)
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# 刪除生成的圖片文件
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for filename in matched_files:
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file_path = os.path.join(folder, filename)
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os.remove(file_path)
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print(f"Deleted file: {file_path}")
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# 刪除 CSV 文件
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os.remove(csv_path)
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return send_file(
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zip_buffer,
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mimetype='application/zip',
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as_attachment=True,
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download_name=f'{unique_filename}_images.zip'
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)
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except subprocess.CalledProcessError as e:
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print(f"Error generating images: {e}")
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return "Error generating images", 500
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@ -56,9 +88,8 @@ def upload_csv():
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except Exception as e:
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print(f"An unexpected error occurred: {e}")
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return "An unexpected error occurred", 500
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return "File uploaded successfully", 200
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return "File uploaded successfully", 200
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if __name__ == '__main__':
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@ -101,7 +101,7 @@ class ImageGenerator(QObject):
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self.stop()
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@Slot()
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def generate_images(self, name_csv):
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def generate_images(self, name_csv, out_filename):
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# Placeholder for image generation logic
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print("Generating images...1")
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@ -161,7 +161,7 @@ class ImageGenerator(QObject):
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if i > 0 and i % 6 == 5:
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# Save the current scene to an image file every 5 items
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self.scene_to_image(self.scene, f"generated_image_{i//6}.png")
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self.scene_to_image(self.scene, f"{out_filename}_{i//6}.png")
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self.scene.clear()
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print("Image generated and added to scene.")
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@ -177,17 +177,19 @@ if __name__ == "__main__":
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generator = ImageGenerator()
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generator.finished.connect(app.quit)
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if len(sys.argv) > 1:
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csv_file = "resource/sample.csv"
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out_filename = "generated_image"
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if len(sys.argv) > 2:
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csv_file = sys.argv[1]
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print(f"Loading CSV file: {csv_file}")
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else:
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csv_file = "resource/sample.csv"
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print(f"No CSV file provided, using default: {csv_file}")
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out_filename = sys.argv[2]
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print(f"Loading CSV file: {csv_file}, Output filename: {out_filename}")
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sample_data = generator.read_csv(csv_file)
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print(f"Sample data loaded: {sample_data}")
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generator.generate_images(sample_data)
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generator.generate_images(sample_data, out_filename)
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#generator.start()
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# Run the application event loop
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@ -3,13 +3,13 @@
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>CSV 轉圖片工具</title>
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<title>圓形鑰匙圈產生器</title>
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</head>
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<body>
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<h1>上傳 CSV 產生圖片</h1>
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<h1>圓形鑰匙圈產生器</h1>
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<form id="uploadForm" enctype="multipart/form-data">
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<input type="file" id="csvFile" name="csvFile" accept=".csv">
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<button type="submit">生成圖片</button>
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<!-- <button type="submit">生成圖片</button> -->
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</form>
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<div id="status"></div>
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<div id="downloadLink" style="display: none;">
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@ -36,8 +36,13 @@
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const formData = new FormData();
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formData.append('csvFile', fileInput.files[0]);
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// 產生日期時間字串
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const now = new Date();
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const pad = n => n.toString().padStart(2, '0');
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const datetimeStr = `${now.getFullYear()}${pad(now.getMonth()+1)}${pad(now.getDate())}_${pad(now.getHours())}${pad(now.getMinutes())}`;
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try {
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const response = await fetch('/upload_csv', { // 請確保後端路由與此匹配
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const response = await fetch('/upload_csv', {
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method: 'POST',
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body: formData
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});
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@ -47,21 +52,26 @@
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throw new Error(`伺服器錯誤: ${response.status} - ${errorText}`);
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}
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// 假設後端會返回圖片的 Blob 或直接是檔案的 URL
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// 如果後端直接返回圖片檔案，可以直接創建 Blob URL
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const imageBlob = await response.blob();
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const imageUrl = URL.createObjectURL(imageBlob);
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// 取得 zip blob 並建立下載連結
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const zipBlob = await response.blob();
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const zipUrl = URL.createObjectURL(zipBlob);
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downloadAnchor.href = imageUrl;
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downloadAnchor.download = 'generated_image.png'; // 可以從後端獲取圖片名稱
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statusDiv.textContent = '圖片已成功生成！';
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downloadAnchor.href = zipUrl;
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downloadAnchor.download = `${datetimeStr}_圓形鑰匙產生器.zip`; // zip 檔名加上日期時間
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statusDiv.textContent = '圖片已成功生成！請點擊下方連結下載壓縮檔。';
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downloadLinkDiv.style.display = 'block';
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downloadAnchor.click(); // 自動觸發下載
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} catch (error) {
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console.error('上傳或生成圖片失敗:', error);
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statusDiv.textContent = `生成圖片失敗: ${error.message || '未知錯誤'}`;
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}
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});
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document.getElementById('csvFile').addEventListener('change', function() {
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// 自動觸發表單提交
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document.getElementById('uploadForm').dispatchEvent(new Event('submit', {cancelable: true, bubbles: true}));
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});
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</script>
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</body>
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</html>
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