v2 4.9 该版本集成了Excel导出功能

app.py

@@ -15,8 +15,8 @@ CORS(app, resources={
 report_service = NutritionReportService()
 
 
-@app.route("/api/food-record", methods=["POST"])
-def food_record():
+@app.route("/api/generate-pdf", methods=["POST"])
+def generate_pdf():
     try:
         front_json = request.get_json()
 
@@ -31,7 +31,7 @@ def food_record():
         file_name = f"nutrition_report_{uuid.uuid4().hex}.pdf"
         output_path = os.path.join(output_dir, file_name)
 
-        report_service.generate_report_from_json(front_json, output_path)
+        report_service.generate_pdf_from_json(front_json, output_path)
 
         return send_file(
             output_path,
@@ -48,5 +48,38 @@ def food_record():
         }), 500
 
 
+@app.route("/api/generate-excel", methods=["POST"])
+def generate_excel():
+    try:
+        front_json = request.get_json()
+
+        if not front_json:
+            return jsonify({"message": "没有收到 JSON 数据"}), 400
+
+        print("收到前端数据：", front_json)
+
+        output_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "output", "reports")
+        os.makedirs(output_dir, exist_ok=True)
+
+        file_name = f"nutrition_report_{uuid.uuid4().hex}.xlsx"
+        output_path = os.path.join(output_dir, file_name)
+
+        report_service.generate_excel_from_json(front_json, output_path)
+
+        return send_file(
+            output_path,
+            as_attachment=True,
+            download_name="nutrition_report.xlsx",
+            mimetype="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
+        )
+
+    except Exception as e:
+        print("后端报错：", e)
+        return jsonify({
+            "message": "处理失败",
+            "error": str(e)
+        }), 500
+
+
 if __name__ == "__main__":
     app.run(debug=True, port=5000)