26 lines
728 B
Python
26 lines
728 B
Python
from flask import Flask, url_for, request, redirect, session
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app = Flask(__name__)
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app.secret_key = 'Your_secret_key$^52@!'
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@app.route('/index')
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def index():
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if 'username' in session:
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return f'你好，{session.get("username")}'
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return redirect(url_for("login"))
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@app.route('/login', methods=['GET', 'POST'])
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def login():
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if request.method == 'POST':
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session['username'] = request.form['username']
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return redirect(url_for('index'))
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# 当发送GET请求时，页面显示输入框和"登录"按钮
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return '''
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<form method="post">
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<p><input type=text name=username>
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<p><input type=submit value=登录>
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</form>
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'''
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if __name__ == '__main__':
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app.run() |