flask入门——hello Word

我就是我 2023-07-11 08:54 40阅读 0赞

#### 先加载flask库 ####

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#### 编写代码 ####

# -*- coding: utf-8 -*-
    # @Time : 2020/3/4 23:17
    # @Author : leechoy
    # @File : flask_test.py
    # @Software: PyCharm
    # coding = utf-8
    # 导入库
    from flask import Flask
    
    app = Flask(__name__)
    
    @app.route('/')
    
    def hello_word():
        return 'hello world'
    
    if __name__ =='__main__':
        # 访问ip 0.0.0.0表示监听所有地址，定义端口号为9000
        app.run(host='0.0.0.0',port=9000)
    
    # run()有3个可选参数
    # host 主机，默认为127.0.0.1
    # port 端口号，默认5000
    # debug 是否开启调试模式，默认为False，如设为True则修改代码会自动重启

#### 运行 ####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNzY3OTQ1_size_16_color_FFFFFF_t_70 1]

#### 打开网址检验 ####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNzY3OTQ1_size_16_color_FFFFFF_t_70 2]  
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