flask框架创建视图函数

布满荆棘的人生 2022-11-22 00:27 130阅读 0赞

# 前言 #

使用flask框架创建web项目，

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# 视图函数 #

所谓视图函数，顾名思义就是web端直接访问，函数，添加装饰器

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center]

*  使用postman进行测试  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center 1]

## 根据模型不同创建不同的视图函数 ##

*  蓝图，生效—》注册蓝图到flask核心对象  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center 2]  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center 3]

# -*- coding: utf-8 -*-
    # @Author : ZhaoCunWei
    # @Time : 2020/11/3 2:33 下午
    # @Function:
    
    
    #blueprint
    from flask import Blueprint
    
    user = Blueprint('user',__name__)
    @user.route('/v1/user/get')
    def get_user():
        return 'zcw'

# -*- coding: utf-8 -*-
    # @Author : ZhaoCunWei
    # @Time : 2020/11/3 2:33 下午
    # @Function:
    
    
    # blueprint
    from flask import Blueprint
    
    book = Blueprint('book',__name__)
    @book.route('/v1/book/get')
    def get_book():
        return 'get book'

### 测试蓝图是否生效 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center 4]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center 5]

其实蓝图一般使用在模块拆分中，不是视图函数，

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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center 1]: /images/20221120/7c49f69cfeb34cd099fec96ff1e2be53.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center 2]: /images/20221120/7f47bb80249d407182eb2fa0c227a108.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center 3]: /images/20221120/8f3b6c3636d5457bb9cc2a5253356488.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center 4]: /images/20221120/db5c213ba1274c3ab3357f74685a4068.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyMzcwOTEz_size_16_color_FFFFFF_t_70_pic_center 5]: /images/20221120/fb027e734a56440dad478c67771ac8d5.png