码迷,mamicode.com
首页 > 其他好文 > 详细

django序列化器Serializers

时间:2019-11-26 13:20:19      阅读:61      评论:0      收藏:0      [点我收藏+]

标签:name   png   建模   nec   import   app   mail   cas   object   

1、创建一个app03, 在settings配置后, 在app03/models.py创建模型, 并同步数据库

from django.db import models

# Create your models here.


class Blog(models.Model):
    name = models.CharField(max_length=100)
    tagline = models.TextField()

    def __str__(self):
        return self.name

class Author(models.Model):
    name = models.CharField(max_length=200)
    email = models.EmailField()

    def __str__(self):
        return  self.name

class Entry(models.Model):
    blog = models.ForeignKey(Blog, on_delete=models.CASCADE)
    headline = models.CharField(max_length=255)
    body_text = models.TextField()
    # pub_date = models.DateField()
    # mod_date = models.DateField()
    # authors = models.ManyToManyField(Author)
    number_of_comments = models.IntegerField()
    number_of_pingbacks = models.IntegerField()
    # number_of_pingbacks2 = models.IntegerField(default= None)
    number_of_pingbacks2 = models.IntegerField(null=True)

    def __str__(self):
        return self.headline

2、在数据库中对应的author表里面添加数据

技术图片

 

 3、在测试文件中, 查询author表的所有数据,并序列化

import  os
import  sys
from django.db import connection

if __name__ == "__main__":
    os.environ.setdefault(DJANGO_SETTINGS_MODULE, untitled1.settings)
    import  django
    django.setup()
    from app03 import  models

    from django.core import serializers
    authors = models.Author.objects.all()
    print( authors)
    author_list = serializers.serialize("json", authors)
    print(author_list)

执行结果如下:

"D:\Program Files\python3.6.7\python.exe" D:/pythonWorkspace/untitled1/test_app03.py
<QuerySet [<Author: Joe>, <Author: lili>]>
[{"model": "app03.author", "pk": 1, "fields": {"name": "Joe", "email": "joe@qq.com"}}, {"model": "app03.author", "pk": 2, "fields": {"name": "lili", "email": "lili@qq.com"}}]

Process finished with exit code 0

 

django序列化器Serializers

标签:name   png   建模   nec   import   app   mail   cas   object   

原文地址:https://www.cnblogs.com/harryTree/p/11934658.html

(0)
(0)
   
举报
评论 一句话评论(0
登录后才能评论!
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!