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flasktest.py
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flasktest.py
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from flask import Flask, request, redirect, url_for
app = Flask(__name__)
@app.route('/')
def index():
return redirect(url_for('username'), code=302) # URL跳转,默认代码是302,可以省略
@app.route('/username', methods=['GET', 'POST'])
def username():
HTML = '''<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8"/>
<title>Flask POST方法演示</title>
</head>
<body>
{}
<form action="" method="POST">
<p>username</p>
<input type="text" name="username" value="" />
<p>password</p>
<input type="text" name="password" value="" />
<input type="submit" name="enter" value="enter" />
</form>
</body>
</html>'''
if request.method == 'GET':
return HTML.format('')
elif request.method == 'POST':
if request.form['username']:
name = request.form['username']
pwd = request.form["password"]
fp = open('txt.txt','a')
fp.write('username:'+name+'\n')
fp.write('password:'+pwd+'\n')
fp.close()
if name=='admin' and pwd=='password':
return HTML.format('<p>Welcome <strong>{}</strong>!</p>'.format(name))
# return HTML.format('<p>Your name is <strong>{}</strong></p>'.format(name))
else:
return HTML.format('<p>Username or password error!</p>')
else:
return redirect(url_for('username'))
if __name__ == '__main__':
app.run()