python flask练习

本文介绍了使用Python的Flask框架进行Web应用开发的基础实践,包括环境搭建、路由定义、视图函数创建以及模板渲染等关键步骤,帮助初学者快速入门。

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from flask import Flask, render_template
import psutil
import platform
import socket
import time
app = Flask(__name__)
ctime = (time.time()-psutil.boot_time())
run_time = time.strftime("%H:%M:%S", time.localtime(ctime))
btime = time.strftime("%Y-%m-%d %H:%M:%S",time.localtime(psutil.boot_time()))
atime = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
@app.route('/')
def systeminfo():
    master = socket.gethostname()
    system = platform.system()
    machine= platform.machine()
    version = platform.version()
    architecture = platform.architecture()
    time = atime
    boot_time = btime
    return  render_template('systeminfo.html',
                            master = master,
                            system = system,
                            machine = machine,
                            version = version,
                            architecture = architecture,
                            time = time,
                            boot_time = boot_time,
                            )
app.run()
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="../static/css/bootstrap.min.css">
    <link rel="stylesheet" href="../static/css/main.css">
    <script href="js/bootstrap.min.js"></script>
</head>
<body>

<nav class="navbar navbar-default">
    <div class="container-fluid">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
                    data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="index.html"></a>
        </div>

        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
            <ul class="nav navbar-nav">
                <li><a href="#">Sys Info<span class="sr-only">(current)</span></a></li>
                <li><a href="#">系统</a></li>
                <li><a href="#">CPU</a></li>
                <li><a href="#">内存</a></li>
                <li><a href="#">硬盘</a></li>
                <li><a href="#">网络</a></li>
                <li><a href="#">进程</a></li>
                <li><a href="#">用户</a></li>
            </ul>

        </div><!-- /.navbar-collapse -->
    </div><!-- /.container-fluid -->
</nav>
<div class="col-xs-1">
</div>
<div class="col-xs-9">
    <table class="table table-bordered">
      <tr >
          <th width="400">主机名</th>
          <th>{{master}}</th>
      </tr>
        <tr>
          <th>内核名称</th>
          <th>{{system}}</th>
      </tr>
        <tr>
          <th>发行版本号</th>
          <th>{{machine}}</th>
      </tr>
        <tr>
          <th>内核版本</th>
          <th>{{version}}</th>
      </tr>
        <tr>
          <th>系统构架</th>
          <th>{{architecture}}</th>
      </tr>
        <tr>
          <th>现在时间</th>
          <th>{{time}}</th>
      </tr>
        <tr>
          <th>开机时间</th>
          <th>{{boot_time}}</th>
      </tr>

    </table>
    </div>
<div class="col-xs-1">
</div>
</body>
</html>

在这里插入图片描述


import socket
import time

from flask import Flask,render_template
import getpass
app = Flask(__name__)
print(getpass.getuser())
atime = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
@app.route('/')
def userinfo():
    user = getpass.getuser()
    master = socket.gethostname()
    time = atime
    return render_template('userinfo.html',
                           user = user,
                           master = master,
                           time = time)
app.run()
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="../static/css/bootstrap.min.css">
    <link rel="stylesheet" href="../static/css/main.css">
    <script href="js/bootstrap.min.js"></script>
</head>
<body>
<nav class="navbar navbar-default">
    <div class="container-fluid">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
                    data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="index.html"></a>
        </div>

        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
            <ul class="nav navbar-nav">
                <li><a href="#">Sys Info<span class="sr-only">(current)</span></a></li>
                <li><a href="#">系统</a></li>
                <li><a href="#">CPU</a></li>
                <li><a href="#">内存</a></li>
                <li><a href="#">硬盘</a></li>
                <li><a href="#">网络</a></li>
                <li><a href="#">进程</a></li>
                <li><a href="#">用户</a></li>
            </ul>

        </div><!-- /.navbar-collapse -->
    </div><!-- /.container-fluid -->
</nav>
<div class="col-xs-1">
</div>
<div class="col-xs-9">
    <table class="table table-bordered">
      <tr >
          <th width="300">用户名</th>
          <th width="300">终端</th>
          <th width="300">主机名</th>
          <th width="300">登录时间</th>
      </tr>
        <tr>
          <th>{{user}}</th>
          <th>123</th>
            <th>{{master}}</th>
            <th>{{time}}</th>
      </tr>



    </table>
    </div>
<div class="col-xs-1">
</div>
</body>
</html>

在这里插入图片描述

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