【NLP輿情分析】基于python微博輿情分析可視化系統(flask+pandas+echarts) 視頻教程

大家好，我是java1234_小鋒老師，最近寫了一套【NLP輿情分析】基于python微博輿情分析可視化系統(flask+pandas+echarts)視頻教程，持續更新中，計劃月底更新完，感謝支持。今天講解主頁布局實現

視頻在線地址：

2026版【NLP輿情分析】基于python微博輿情分析可視化系統(flask+pandas+echarts+爬蟲) 視頻教程（火爆連載更新中..）_嗶哩嗶哩_bilibili

課程簡介：

本課程采用主流的Python技術棧實現，Mysql8數據庫，Flask后端，Pandas數據分析，前端可視化圖表采用echarts，以及requests庫，snowNLP進行情感分析，詞頻統計，包括大量的數據統計及分析技巧。

實現了，用戶登錄，注冊，爬取微博帖子和評論信息，進行了熱詞統計以及輿情分析，以及基于echarts實現了數據可視化，包括微博文章分析，微博IP分析，微博評論分析，微博輿情分析。最后也基于wordcloud庫實現了詞云圖，包括微博內容詞云圖，微博評論詞云圖，微博評論用戶詞云圖等功能。

主頁布局實現

主頁我們分析后發現，每個頁面都有很多公共的內容，比如頭部信息，左側菜單，底部信息，這些是不變的。唯一邊的就是右側內容，以及標題。所以我們把公共的內容抽取，放到base.html里面去，然后其他頁面模塊集成base.html，再去重寫內容和標題即可。jinjia模版引擎都支持，我們在flask課程中也講過。

base.html

<!doctype html>
<html lang="en">
<head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"><title>{% block title %}首頁{% endblock %}</title><link rel="shortcut icon" href="{{ url_for('static', filename='favicon.ico') }}" type="image/x-icon"><link rel="stylesheet" href="/static/css/backend-plugin.min.css"><link rel="stylesheet" href="/static/css/backend.css">
</head>
<body class="  ">
<!-- loader Start -->
<div id="loading"><div id="loading-center"></div>
</div>
<!-- loader END -->
<!-- Wrapper Start -->
<div class="wrapper"><div class="iq-sidebar  sidebar-default  "><div class="iq-sidebar-logo d-flex align-items-end justify-content-between"><a href="" class="header-logo"><img src="/static/picture/logo.png" class="img-fluid rounded-normal light-logo" alt="logo"><img src="/static/picture/logo-dark.png" class="img-fluid rounded-normal d-none sidebar-light-img"alt="logo"><span>微博輿情數據分析</span></a><div class="side-menu-bt-sidebar-1"><svg xmlns="http://www.w3.org/2000/svg" class="text-light wrapper-menu" width="30" fill="none"viewbox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"d="M6 18L18 6M6 6l12 12"></path></svg></div></div><div class="data-scrollbar" data-scroll="1"><nav class="iq-sidebar-menu"><ul id="iq-sidebar-toggle" class="side-menu"><li class="active sidebar-layout"><a href="/page/home" class="svg-icon"><i class=""><svg xmlns="http://www.w3.org/2000/svg" width="18" fill="none" viewbox="0 0 24 24"stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6"></path></svg></i><span class="ml-2">首頁</span></a></li><li class="px-3 pt-3 pb-2 "><span class="text-uppercase small font-weight-bold">輿情分析</span></li><li class=" sidebar-layout"><a href="/page/hotWord" class="svg-icon "><i class=""><svg xmlns="http://www.w3.org/2000/svg" width="18" fill="none" viewbox="0 0 24 24"stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"d="M17 20h5v-2a3 3 0 00-5.356-1.857M17 20H7m10 0v-2c0-.656-.126-1.283-.356-1.857M7 20H2v-2a3 3 0 015.356-1.857M7 20v-2c0-.656.126-1.283.356-1.857m0 0a5.002 5.002 0 019.288 0M15 7a3 3 0 11-6 0 3 3 0 016 0zm6 3a2 2 0 11-4 0 2 2 0 014 0zM7 10a2 2 0 11-4 0 2 2 0 014 0z"></path></svg></i><span class="ml-2">微博熱詞統計</span></a></li><li class=" sidebar-layout"><a href="/page/articleData" class="svg-icon"><i class=""><svg xmlns="http://www.w3.org/2000/svg" width="18" fill="none" viewbox="0 0 24 24"stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"d="M7 7h.01M7 3h5c.512 0 1.024.195 1.414.586l7 7a2 2 0 010 2.828l-7 7a2 2 0 01-2.828 0l-7-7A1.994 1.994 0 013 12V7a4 4 0 014-4z"></path></svg></i><span class="ml-2">微博輿情分析</span></a></li>
?<li class="px-3 pt-3 pb-2"><span class="text-uppercase small font-weight-bold">數據可視化</span></li><li class=" sidebar-layout"><a href="/page/articleDataAnalysis" class="svg-icon"><i class=""><svg xmlns="http://www.w3.org/2000/svg" width="18" fill="none" viewbox="0 0 24 24"stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"d="M8 12h.01M12 12h.01M16 12h.01M21 12c0 4.418-4.03 8-9 8a9.863 9.863 0 01-4.255-.949L3 20l1.395-3.72C3.512 15.042 3 13.574 3 12c0-4.418 4.03-8 9-8s9 3.582 9 8z"></path></svg></i><span class="ml-2">微博文章分析</span></a></li><li class=" sidebar-layout"><a href="/page/ipDataAnalysis" class="svg-icon"><i class=""><svg class="svg-icon" id="iq-user-1-1" xmlns="http://www.w3.org/2000/svg" fill="none"viewbox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"d="M5.121 17.804A13.937 13.937 0 0112 16c2.5 0 4.847.655 6.879 1.804M15 10a3 3 0 11-6 0 3 3 0 016 0zm6 2a9 9 0 11-18 0 9 9 0 0118 0z"></path></svg></i><span class="ml-2">微博IP分析</span></a></li>
?
?<li class=" sidebar-layout"><a href="/page/commentDataAnalysis" class="svg-icon"><i class=""><svg xmlns="http://www.w3.org/2000/svg" width="18" fill="none" viewbox="0 0 24 24"stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"d="M19.428 15.428a2 2 0 00-1.022-.547l-2.387-.477a6 6 0 00-3.86.517l-.318.158a6 6 0 01-3.86.517L6.05 15.21a2 2 0 00-1.806.547M8 4h8l-1 1v5.172a2 2 0 00.586 1.414l5 5c1.26 1.26.367 3.414-1.415 3.414H4.828c-1.782 0-2.674-2.154-1.414-3.414l5-5A2 2 0 009 10.172V5L8 4z"></path></svg></i><span class="ml-2">微博評論分析</span></a></li><li class=" sidebar-layout"><a href="/page/sentimentAnalysis" class="svg-icon"><i class=""><svg xmlns="http://www.w3.org/2000/svg" width="18" fill="none" viewbox="0 0 24 24"stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"d="M12 6V4m0 2a2 2 0 100 4m0-4a2 2 0 110 4m-6 8a2 2 0 100-4m0 4a2 2 0 110-4m0 4v2m0-6V4m6 6v10m6-2a2 2 0 100-4m0 4a2 2 0 110-4m0 4v2m0-6V4"></path></svg></i><span class="ml-2">微博輿情分析</span></a></li>
?<li class="px-3 pt-3 pb-2"><span class="text-uppercase small font-weight-bold">詞云圖</span></li><li class=" sidebar-layout"><a href="/page/articleCloud" class="svg-icon"><i class=""><svg class="svg-icon" id="iq-chart-1" width="18" xmlns="http://www.w3.org/2000/svg"fill="none" viewbox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"d="M8 13v-1m4 1v-3m4 3V8M8 21l4-4 4 4M3 4h18M4 4h16v12a1 1 0 01-1 1H5a1 1 0 01-1-1V4z"style="stroke-dasharray: 96, 116; stroke-dashoffset: 0;"></path></svg></i><span class="ml-2">微博內容詞云圖</span></a></li><li class=" sidebar-layout"><a href="/page/commentCloud" class="svg-icon"><i class=""><svg class="svg-icon" id="iq-chart-1" width="18" xmlns="http://www.w3.org/2000/svg"fill="none" viewbox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"d="M8 13v-1m4 1v-3m4 3V8M8 21l4-4 4 4M3 4h18M4 4h16v12a1 1 0 01-1 1H5a1 1 0 01-1-1V4z"style="stroke-dasharray: 96, 116; stroke-dashoffset: 0;"></path></svg></i><span class="ml-2">微博評論詞云圖</span></a></li><li class=" sidebar-layout"><a href="/page/commentUserCloud" class="svg-icon"><i class=""><svg class="svg-icon" id="iq-chart-1" width="18" xmlns="http://www.w3.org/2000/svg"fill="none" viewbox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"d="M8 13v-1m4 1v-3m4 3V8M8 21l4-4 4 4M3 4h18M4 4h16v12a1 1 0 01-1 1H5a1 1 0 01-1-1V4z"style="stroke-dasharray: 96, 116; stroke-dashoffset: 0;"></path></svg></i><span class="ml-2">微博評論用戶詞云圖</span></a></li></ul></nav><div class="pt-5 pb-5"></div></div></div><div class="iq-top-navbar"><div class="iq-navbar-custom"><nav class="navbar navbar-expand-lg navbar-light p-0"><div class="side-menu-bt-sidebar"><svg xmlns="http://www.w3.org/2000/svg" class="text-secondary wrapper-menu" width="30" fill="none"viewbox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"d="M4 6h16M4 12h16M4 18h16"></path></svg></div><div class="d-flex align-items-center">
?<button class="navbar-toggler" type="button" data-toggle="collapse"data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent"aria-label="Toggle navigation"><svg xmlns="http://www.w3.org/2000/svg" class="text-secondary" width="30" fill="none"viewbox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"d="M4 6h16M4 12h16m-7 6h7"></path></svg></button><div class="collapse navbar-collapse" id="navbarSupportedContent"><ul class="navbar-nav ml-auto navbar-list align-items-center">
?<li class="nav-item nav-icon dropdown"><a href="#" class="nav-item nav-icon dropdown-toggle pr-0 search-toggle"id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true"aria-expanded="false">
?<span class="mb-0 ml-2 user-name">當前用戶：{{ session['user'][1] }}&nbsp;&nbsp;&nbsp;</span></a><ul class="dropdown-menu dropdown-menu-right" aria-labelledby="dropdownMenuButton"><li class="dropdown-item  d-flex svg-icon border-top"><svg class="svg-icon mr-0 text-secondary" id="h-05-p" width="20"xmlns="http://www.w3.org/2000/svg" fill="none" viewbox="0 0 24 24"stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"d="M17 16l4-4m0 0l-4-4m4 4H7m6 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1"></path></svg><a href="/user/logout">安全退出</a></li></ul></li></ul></div><div class="change-mode"><div class="custom-control custom-switch custom-switch-icon custom-control-inline"><div class="custom-switch-inner"><p class="mb-0"></p><input type="checkbox" class="custom-control-input" id="dark-mode" data-active="true"><label class="custom-control-label" for="dark-mode" data-mode="toggle"><span class="switch-icon-right"><svg xmlns="http://www.w3.org/2000/svg" id="h-moon" height="20" width="20"class="h-6 w-6" fill="none" viewbox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"d="M20.354 15.354A9 9 0 018.646 3.646 9.003 9.003 0 0012 21a9.003 9.003 0 008.354-5.646z"></path></svg></span><span class="switch-icon-left"><svg xmlns="http://www.w3.org/2000/svg" id="h-sun" height="20" width="20"class="h-6 w-6" fill="none" viewbox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"d="M12 3v1m0 16v1m9-9h-1M4 12H3m15.364 6.364l-.707-.707M6.343 6.343l-.707-.707m12.728 0l-.707.707M6.343 17.657l-.707.707M16 12a4 4 0 11-8 0 4 4 0 018 0z"></path></svg></span></label></div></div></div></div></nav></div></div><div class="content-page">{% block content %}{% endblock %}</div>
</div>
<!-- Wrapper End-->
<footer class="iq-footer"><div class="container-fluid"><div class="row"><div class="col-lg-6">
?</div><div class="col-lg-6 text-right"><span class="mr-1">Copyright &copy; 2025 python222 All rights reserved.<a target="_blank"href="http://www.python222.com">Python知識分享網</a></span></div></div></div>
</footer>
<script src="/static/js/backend-bundle.min.js"></script>
<script src="/static/js/customizer.js"></script>
<script src="/static/js/sidebar.js"></script>
<script src="/static/js/flex-tree.min.js"></script>
<script src="/static/js/tree.js"></script>
<script src="/static/js/table-treeview.js"></script>
<script src="/static/js/sweetalert.js"></script>
<script src="/static/js/vector-map-custom.js"></script>
<script src="/static/js/chart-custom.js"></script>
<script src="/static/js/01.js"></script>
<script src="/static/js/02.js"></script>
<script src="/static/js/slider.js"></script>
<script src="/static/js/index.js" type="module"></script>
<script src="/static/js/app.js"></script>
<script src="/static/js/echarts.min.js"></script>
<script src="/static/js/china.js"></script>
?
{% block echarts %}
{% endblock %}
</body>
</html>

index.html

{% extends 'base.html' %}
{% block title %}首頁{% endblock %}
{% block content %}<div class="container-fluid"><div class="row"><div class="col-md-12 mb-4 mt-1"><div class="d-flex flex-wrap justify-content-between align-items-center"><h4 class="font-weight-bold">首頁</h4>
?</div></div><div class="col-lg-8 col-md-12"><div class="row"><div class="col-md-4"><div class="card"><div class="card-body"><div class="d-flex align-items-center"><div class=""><p class="mb-2 text-secondary">微博文章總量</p><div class="d-flex flex-wrap justify-content-start align-items-center"><h5 class="mb-0 font-weight-bold" id="totalArticle">無數據</h5>
?</div></div></div></div></div></div><div class="col-md-4"><div class="card"><div class="card-body"><div class="d-flex align-items-center"><div class=""><p class="mb-2 text-secondary">最高點贊微博-作者</p><div class="d-flex flex-wrap justify-content-start align-items-center"><h5 class="mb-0 font-weight-bold" id="topAuthor">無數據</h5>
?</div></div></div></div></div></div><div class="col-md-4"><div class="card"><div class="card-body"><div class="d-flex align-items-center"><div class=""><p class="mb-2 text-secondary">微博點贊最多-城市</p><div class="d-flex flex-wrap justify-content-start align-items-center"><h5 class="mb-0 font-weight-bold" id="topRegion">無數據</h5>
?</div></div></div></div></div></div><div class="col-md-12"><div class="card"><div class="card-body"><div class="d-flex justify-content-between align-items-center flex-wrap"><h4 class="font-weight-bold">最近七天微博發布量</h4>
?</div><div id="article7fbl" style="width: 100%;height: 300px" class="custom-chart"></div></div></div></div></div></div><div class="col-lg-4 col-md-8"><div class="card card-block card-stretch card-height"><div class="card-header card-header-border d-flex justify-content-between"><div class="header-title"><h4 class="card-title">微博點贊量Top6</h4></div></div><div class="card-body-list"><ul class="list-style-3 mb-0" id="topArticle">
?</ul></div></div>
?</div><div class="col-lg-4 col-md-6"><div class="card"><div class="card-body"><h4 class="font-weight-bold mb-3">微博類型占比餅狀圖</h4><div id="articleTypeZb" style="width:100%;height:450px"></div></div></div></div><div class="col-lg-4 col-md-6"><div class="card"><div class="card-body"><h4 class="font-weight-bold mb-3">評論用戶名詞云圖</h4><img style="width:100%" src="/static/comment_user_cloud.jpg" alt=""></div></div></div><div class="col-lg-4 col-md-6"><div class="card"><div class="card-body"><h4 class="font-weight-bold mb-3">評論用戶時間占比環形餅狀圖</h4><div id="commentUserZb" style="width:100%;height:450px"></div></div></div></div></div><!-- Page end  --></div>
{% endblock %}
{% block echarts %}
?
{% endblock %}

page / page.py里加下主頁跳轉：

@pb.route('/home')
def home():return render_template('index.html')

從session中獲取當前用戶信息，顯示當前登錄的用戶名

當前用戶：{{ session['user'][1] }}