from flask import Flask
from flask import render_template
from flask import request
from flask import redirect
app = Flask(__name__)
@app.route('/user', methods=["POST", "GET"])
def hello_world():
message = None
if request.method == "POST":
username = request.form["username"]
password = request.form["password"]
if not username:
message = "please input username"
return render_template("index.html", message = message)
if not password:
message = "please input password"
return render_template("index.html", message = message)
if username == "jikexueyuan" and password == "123456":
return redirect("http://www.baidu.com")
else:
message = "username or password is wrong"
return render_template("index.html", message = message)
return render_template("index.html", message = message)
if __name__ == '__main__':
app.run(port=8080, debug=True)
#index.html
<!DOCTYPE html>
<html lang="en">
<body>
<div align="center">
<h1>user management</h1>
</div>
<div align="center">
{% if message %}
{{ message }}
{% endif %}
<form name="form1" method="post">
username : <input type="text" name="username" placeholder="username"/>
<br/>
password : <input type="password" name="password" placeholder="password"/>
<br/>
<input type="submit" name="submit" value="提交">
<input type="reset" name="reset" value="重置">
</form>
</div>
</body>
<head>
<meta charset="utf-8">
<title>user management</title>
<script type="text/javascript" src="getValue.js"></script>
</head>
</html>
