from flask import Flask,render_template
app = Flask(__name__)
#自定义过滤器
@app.template_filter('cut')
def cut(value):
value = value.replace('xxx,rrr','555')
return value
@app.route('/')
def get():
info = '=============xxx,rrr=============='
return render_template('index.html',info = info)
if __name__ =='__main__':
app.run(debug=True)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>test</title>
</head>
<body>
<h1>自定义过滤器</h1>
过滤前的数据是：{{info}}<br>
<!-- 用cut过滤重复的值在显示终端 -->
过滤后的数据是：{{ info | cut }}
</body>
</html>
