更新 app.py

app/app.py

@@ -24,19 +24,23 @@ def register():
 
 
 
-@app.route('/login', methods=['POST'])
+@app.route('/login', methods=['GET', 'POST'])
 def login():
-    username = request.form['username']
+    if request.method == 'GET':
-    password = request.form['password']
+        return render_template('login.html')
-    print(username,password)
-    # 验证用户名和密码...
-    if valid_login(username, password):
-        # 登录成功
-        session['username'] = username
-        return jsonify(success=True, message="登录成功")
     else:
-        # 登录失败
+        username = request.form['username']
-        return jsonify(success=False, message="无效的用户名或密码")
+        password = request.form['password']
+        print(username, password)
+        # 验证用户名和密码...
+        if valid_login(username, password):
+            # 登录成功
+            session['username'] = username
+            return jsonify(success=True, message="登录成功")
+        else:
+            # 登录失败
+            return jsonify(success=False, message="无效的用户名或密码")
+
 
 
 def valid_login(username, password):
@@ -51,9 +55,15 @@ def forget_page():
 def home():
     if 'username' in session:
         return render_template('home.html')
-
     else:
-        return redirect(url_for('/'))  # 如果用户未登录，重定向到登录页面
+        return redirect("login")
+
+@app.route('/logout')
+def logout():
+    # 清除session中的所有信息
+    session.clear()
+    # 返回一个响应，或者重定向到登录页面
+    return redirect('/login')
 
 if __name__ == '__main__':
     app.run(debug=True)