如何使用to_html将CSS类(我的样式)应用于Pandas DataFrame [英] How to apply CSS class (my style) to Pandas DataFrame using to_html
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问题描述
对不起，我是HTML和CSS的新手.
Sorry, I am new to HTML and CSS.
目标是从数据框创建HTML表并通过电子邮件发送.
The goal is to create HTML table from dataframe and send it via email.
但是如何对输出表进行样式设置? 我想要不同的背景标题，字体等吗?
But how can I stylish the output table? Let's I want different background header, font, etc?
这是我要实现的样式:
mystyle =
'''
.mystyle {
font-size: 11pt;
font-family: Arial;
border-collapse: collapse;
border: 1px solid silver;
}
.mystyle td, th {
padding: 5px;
}
.mystyle tr:nth-child(even) {
background: #E0E0E0;
}
.mystyle tr:hover {
background: silver;
cursor: pointer;
}
'''
那么如何在以下代码中实现mystyle并获得时尚的表?我尝试了df.to_html(classes=mystyle)，但没有成功
So how can I implement mystyle into below code and get stylish table? I tried df.to_html(classes=mystyle) but it did not work
import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
import pandas as pd
import datetime as dt
yesterday = dt.datetime.now() - dt.timedelta(days=1)
date = "'" + yesterday.strftime('%m-%d-%Y') + "'"
df = pd.DataFrame({
'Position': ['DBA','CEO','Underwriter']
,'Salary': [100000,300000,60000]
,'Posted':['2019-01-01', '2019-05-01', '2019-03-15']
,'Link': ['myjob.com','ceo.com','insurance.com']
})
html = """\
<html>
<head>Report for """ + date + """</head>
<body>
{0}
</body>
</html>
""".format(df.to_html())
print(html)
推荐答案
您无需为此创建css文件.如果将它们连接为字符串，那么一切都可以正常工作.这是我通常的做法:
You don't need to create a css file for this. Everything can work just fine if you concat them to a string. Here is how I normally do it:
message_start = f"""
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Report for {date}</title>"""
message_style = """
<style type="text/css" media="screen">
#customers {
font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
font-size: 12px;
border-collapse: collapse;
width: 100%;
}
#customers td, #customers th {
border: 1px solid #ddd;
padding: 8px;
}
#customers tr:nth-child(even){background-color: #f2f2f2;}
#customers tr:hover {background-color: #ddd;}
#customers th {
padding-top: 12px;
padding-bottom: 12px;
text-align: left;
background-color: #4CAF50;
color: white;
}
</style>
</head>
<body>
"""
message_body = df.to_html(index=False, table_id="customers") #set table_id to your css style name
message_end = """</body>"""
messages = (message_start + message_style + message_body + message_end)
part = MIMEText(messages, 'html') # create MIMEText
msg.attach(part)
...
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