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Flask框架

发表于 更新于 Valine：
本文字数： 3.1k 阅读时长 ≈ 3 分钟
前面啥也没有

目录结构

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flask-demo/
  ├ run.py           # 应用启动程序
  ├ config.py        # 环境配置
  ├ requirements.txt # 列出应用程序依赖的所有Python包
  ├ tests/           # 测试代码包
  │   ├ __init__.py
  │   └ test_*.py    # 测试用例
  └ myapp/
      ├ admin/       # 蓝图目录
      ├ static/
      │   ├ css/     # css文件目录
      │   ├ img/     # 图片文件目录
      │   └ js/      # js文件目录
      ├ templates/   # 模板文件目录
      ├ __init__.py
      ├ forms.py     # 存放所有表单，如果多，将其变为一个包
      ├ models.py    # 存放所有数据模型，如果多，将其变为一个包
      └ views.py     # 存放所有视图函数，如果多，将其变为一个包

示例：
IconFont网址下载图标

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from flask import Flask,render_template,request
import datetime
app = Flask(__name__)

@app.route('/index')
def hello_world():
    return 'Hello World!'

@app.route('/user/<name>')
def welcome(name):
    return "welcome %s"%name

@app.route('/user/<int:id>')
def welcomeid(id):
    return "welcome num %d"%id

@app.route("/")
def index2():
    list = ["l1","l2","l3"]
    time = datetime.date.today()
    task = {"task":"clean","time":"3hours"}
    return render_template("index.html",var = time,list = list, task = task)

#表单提交
@app.route('/register')
def register():
    return render_template("register.html")

@app.route('/result',methods=['POST','GET'])
def result():
    if request.method == 'POST':
        result = request.form #表单字典
        return render_template("result.html",result = result)

if __name__ == '__main__':
    app.run(debug=True) #还需要在项目配置中启动Debug
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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    welcome.
    Today is {{ var }}<br/>
    on duty<br/>
    {% for data in list %}
        <li> {{ data }}</li>
    {% endfor %}
    task:s<br/>
        <table border="1">
            {% for key,value in task.items() %}
                <tr>
                    <td>{{key}}</td>
                    <td>{{value}}</td>
                </tr>
            {% endfor %}
        </table>

</body>
</html>
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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form action="{{ url_for('result') }}" method="post">
        <p>name: <input type="text" name="name"></p>
        <p>age:  <input type="text" name="age"></p>
        <p>sex:  <input type="text" name="sex"></p>
        <p><input type="submit" value="submit"></p>

    </form>
</body>
</html>
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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <table border="1">
            {% for key,value in result.items() %}
                <tr>
                    <th>{{key}}</th>
                    <td>{{value}}</td>
                </tr>
            {% endfor %}
        </table>
    Result
</body>
</html>