xml使用2个表进行解析

Question

我编写了一个函数来将xml文件中的数据保存到数据库中。我使用了两种模型，请参阅下面的内容。

models.py

class Author(models.Model): 
    first_name = models.CharField(max_length=30) 
    last_name = models.CharField(max_length=40) 
    email = models.EmailField() 
    age = models.IntegerField() 

class Book(models.Model): 
    book_id=models.AutoField(primary_key=True,unique=True) 
    book_name=models.CharField(max_length=30) 
    publisher_name=models.CharField(max_length=40) 
    author=models.ForeignKey(Author) 

我的.xml文件是

<book> 
    <book_id>101</book_id> 
    <book_name>Python</book_name> 
    <publisher_name>Maxwell</publisher_name> 
    <author_id>1002</author_id> 
    <first_name>John</first_name> 
    <last_name>Dezosa</last_name> 
    <email>john@gmail.com</email> 
    <age>34</age> 
    </book> 
    <book> 
    <book_id>102</book_id> 
    <book_name>Django</book_name> 
    <publisher_name>Technical</publisher_name> 
    <author_id>1003</author_id> 
    <first_name>Josep</first_name> 
    <last_name>Raj</last_name> 
    <email>joseph@gmail.com</email> 
    <age>29</age> 
    </book> 

我需要什么样的方法是将XML数据保存到相应的fields.From谷歌我学到了使用单个表配对，在这里我不知道如何为“作者”表创建对象。

我试着用下面的代码

for books in xmlDocTree.iter('book'): 
      book_id = books[0].text 
      book_name = books[1].text 
      publisher_name = books[2].text 
      author_id = books[3].text  
      books.first_name = books[0].text 
      books.last_name = books[1].text 
      books.email = books[2].text 
      books.age = books[3].text 

得到以下回溯

AttributeError at /addxml/ 
first_name 
Request Method: POST 
Request URL: http://localhost:8000/addxml/ 
Django Version: 1.3.7 
Exception Type: AttributeError 
Exception Value:  
first_name 
Exception Location: /root/Samples/DemoApp/DemoApp/views.py in addxml, line 106 

感谢

Answer 1

您的图书模型没有一个first_name

你需要创建一个作者对象，然后将作者保存为外键书模型。

for books in xmlDocTree.iter('book'): 
    book_id = books[0].text 
    book_name = books[1].text 
    publisher_name = books[2].text 

    author_id = books[3].text  
    first_name = books[4].text 
    last_name = books[5].text 
    email = books[6].text 
    age = books[7].text 

    author, _ = Author.objects.get_or_create(id=author_id, defaults={'first_name': first_name, 'last_name': last_name, 'email': email, 'age': age}) 
    author.save() 

    book, - = Book.objects.get_or_create(book_id=book_id, defaults={'book_name': book_name, 'published_name': publisher_name, 'author': author)}) 
    book.save() 

您可能需要在您的Author模式叫author_id