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–– coding:utf-8 ––
from flask import Flask, render_template, render_template_string, request
import tax
from jinja2 import Template
import re
app = Flask(__name__)
flag = 1
@app.route(‘/cal’, methods=[‘GET’])
def cal_tax() -> ‘html’:
try:
# income = int(request.form['income'])
income = int(request.args.get('income', 0))
insurance = int(request.args.get('insurance', 0))
exemption = int(request.args.get('exemption', 0))
# insurance = int(request.form['insurance'])
# exemption = int(request.form['exemption'])
before = income-insurance-exemption
free = 5000
rule = [(80000, 0.45, 15160),
(55000, 0.35, 7160),
(35000, 0.3, 4410),
(25000, 0.25, 2660),
(12000, 0.2, 1410),
(3000, 0.1, 210),
(0,0.03, 0)
]
title = '个税计算结果'
mytax = tax.calc_tax(before,free,rule)
aftertax_income = income - insurance - mytax
return render_template('results.html',
the_title=title,
the_income=str(income),
the_insurance=str(insurance),
the_exemption=str(exemption),
the_tax=str(mytax),
the_aftertax_income=str(aftertax_income))
except ValueError:
print('------------error-------------\n\n')
def safe_jinja(s):
# 替换括号
s = s.replace('()', '')
s = s.replace('[]', '')
blacklist = ['import','os','sys','commands','subprocess','open','eval']
for bl in blacklist:
s = s.replace(bl, "")
return s
title = "输出参数的值有错"
# income = request.form['income']
# income = request.form['income']
# insurance = request.form['insurance']
# exemption = request.form['exemption']
income = request.args.get('income', 0)
insurance = request.args.get('insurance', 0)
exemption = request.args.get('exemption', 0)
print(safe_jinja(exemption))
template = '''
<!doctype html>
<html>
<head>
<title>%s</title>
<link rel="stylesheet" href="static/hf.css" />
</head>
<body>
</body>
</html>
<h2>%s</h2>
<table>
<p> 请查看输出的信息:</p>
<tr><td>[PerfectMoney 下载](https://www.gendan5.com/wallet/PerfectMoney.html) 税前月支出:</td><td>%s</td></tr>
<tr><td> 四险一金:</td><td>%s</td></tr>
<tr><td> 专项附加扣除:</td><td>%s</td></tr>
</table>
''' % (title, title, safe_jinja(income), safe_jinja(insurance), safe_jinja(exemption))
t = Template(template)
return t.render()@app.route(‘/’)
@app.route(‘/index’)
def entry_page() -> ‘html’:
return render_template('index.html',
the_title='PY 个人所得税计算器')@app.errorhandler(404)
def page_not_found(e) -> ‘html’:
return render_template('404.html',
url=request.url), 404@app.errorhandler(500)
def server_error(e) -> ‘html’:
template = '''
<title>500 Internal Server Error</title>
<h1>Internal Server Error</h1>
<p>The server encountered an internal error and was unable to complete your request.
Please check jinjia2 syntax. Either the server is overloaded or there is an error in the application.</p>
'''
return render_template_string(template), 500if name == ‘__main__’:
app.run(debug=False, port = 8003, host="0.0.0.0")
正文完
