windows python flask读取文件数据并返回表格

data/puuv.txt

日期      PV    UV
2020/7/18    15000    150
2020/7/19    15001    151
2020/7/20    15002    152
2020/7/21    15003    153
2020/7/22    15004    154
2020/7/23    15005    155
2020/7/24    15006    156
2020/7/25    15007    157
2020/7/26    15008    158
2020/7/27    15009    159
2020/7/28    15010    160
2020/7/29    15011    161
2020/7/30    15012    162
2020/7/31    15013    163
2020/8/1    15014    164
2020/8/2    15015    165
2020/8/3    15016    166
2020/8/4    15017    167
2020/8/5    15018    168
2020/8/6    15019    169
2020/8/7    15020    170

app.py

from flask import Flask, render_template, request

app = Flask(__name__)


@app.route("/pvuv")
def pvuv():
    # read file
    data = []
    with open("./data/pvuv.txt") as fin:
        is_first_line =True
        for line in fin:
            if is_first_line:
                is_first_line = False
                continue
            line = line[:-1] #\n
            pdate, pv, uv = line.split("\t")
            data.append((pdate, pv, uv))
    return render_template("pvuv.html", data=data)

templates/pvuv.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>网站的pvuv数据</title>
</head>
<body>
<h1>网站的PVUV的数据表格<h1>
    <div>
        <table border = "1px">
            <tr style="background: #ee0000">
                <th>日期</th>
                <th>PV</th>
                <th>UV</th>
            </tr>
            {%  for row in data %}
            <tr>
                <th>{{ row[0] }}</th>
                <th>{{ row[1] }}</th>
                <th>{{ row[2] }}</th>
            </tr>
            {% endfor %}
        </table>
    </div>>

</body>
</html>

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