flask文件下载、数据存储到excel中_flask 导入excel

代码

# 下载接口
import pandas as pd
from flask import Flask, jsonify, request, redirect, render_template, send_from_directory
@app.route("/downLoad", methods=["GET"])
def downLoad():
    get_data = request.args.to_dict()
    id = get_data.get("id")
    details = InvoiceInformation.query.filter_by(fileId=id).all()
 
    data1 = []
    for i in details:
        returnJson = {}
        data_json = json.loads(json.dumps(i, cls=JSONEncoder))
        print(data_json['jsonStr'])
        json_str = eval(str(data_json['jsonStr']))
        if "发票代码" in json_str:
            returnJson['发票代码'] = json_str['发票代码']
        else:
            returnJson['是否通过'] = '未通过'
        if "发票号码" in json_str:
            returnJson['发票号码'] = json_str['发票号码']
        else:
            returnJson['是否通过'] = '未通过'
        if "税后价格" in json_str:
            returnJson['税后价格'] = json_str['税后价格']
        else:
            returnJson['是否通过'] = '未通过'
        if "开票日期" in json_str:
            returnJson['开票日期'] = json_str['开票日期']
        else:
            returnJson['是否通过'] = '未通过'
        if '是否通过' in returnJson:
            pass
        else:
            returnJson['是否通过'] = ' 通过'
        if data_json['validation'] == 1:
            returnJson['真伪验证'] = '真'
        else:
            returnJson['真伪验证'] = '假'
        print(i['detailedData'])
        returnJson['详情'] = str(i['detailedData'])
        data1.append(returnJson)

    df = pd.read_excel("1.xlsx", header=None)
    ds = pd.DataFrame(data1)
    df = df.append(ds, ignore_index=True)
    fileNumber = str(time.time()).replace(".", '')
    df.to_excel(fileNumber+".xlsx", index=False, header=True)
    return send_from_directory(directory, path=directory, filename=fileNumber+".xlsx", as_attachment=True)
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解读

data1 是我拼接的数据，如果没有什么意外情况，从数据库中查询出来，序列化一下，存储到list当中就可以直接追加进去
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