app.py

from flask import Flask, render_template, request, jsonify
import pandas as pd
app = Flask(__name__)
@app.route('/', methods=['GET', 'POST'])
def sign():  # put application's code here
    return render_template('sign.html')
@app.route('/index', methods=['GET', 'POST'])
def index():  # put application's code here
    if request.method == 'POST':
        return render_template('top.html')
    return render_template('index.html')
@app.route('/data')
def data():
    return render_template('csvdata.html')

@app.route('/3D')
def _3D():
    return render_template('3D.html')
@app.route('/csvdata', methods=['GET', 'POST'])
def get_csv_data():
    # 读取 CSV 文件
    try:
        csv_file = r'/Users/fang/Downloads/flask/predictions.csv'# 替换为 CSV 文件路径
        df = pd.read_csv(csv_file)
        csv_data = df.to_dict(orient='records')
        return jsonify(csv_data)
    except FileNotFoundError:
        return jsonify({"error": "File not found"}), 404
    except Exception as e:
        return jsonify({"error": str(e)}), 500
if __name__ == '__main__':
    app.run(debug=True)