我是 Django 新手,我正在创建一个应用程序来为我的公司创建和显示员工数据。目前模型,新员工表格,员工表格显示,登录/注销,所有工作。我正在编辑当前列表。我将鼠标悬停在行链接上以通过 url 传递 pk(employeeid),并且表单正在正确填充 - 除了未填充许多字段,并且 pk 正在递增,导致重复条目(除了所做的任何数据更改)。
我将只放入代码示例,因为模型/表单总共有 35 个字段,这使得代码非常长,就像我手动执行表单字段的方式一样(以实现更漂亮的格式)。
#view.py #SEE EDIT BELOW FOR CORRECT METHOD
@login_required
def employee_details(request, empid): #empid passed through URL/link
obj_list = Employee.objects.all()
e = Employee.objects.filter(pk=int(empid)).values()[0]
form = EmployeeForm(e)
context_instance=RequestContext(request) #I seem to always need this for {%extend "base.html" %} to work correctly
return render_to_response('employee_create.html', locals(), context_instance,)
#URLconf
(r'^employee/(?P<empid>\d+)/$', employee_details),
# snippets of employee_create.html. The same template used for create and update/edit, may be a source of problems, they do have different views- just render to same template to stay DRY, but could add an additional layer of extend for differences needed between the new and edit requests EDIT: added a 3rd layer of templates to solve this "problem". not shown in code here- easy enough to add another child template
{% extends "base.html" %}
{% block title %}New Entry{% endblock %}
{% block content %}
<div id="employeeform">
{% if form.errors %}
<p style="color: red;">
Please correct the error{{ form.errors|pluralize }} below.
</p>
{% endif %}
<form action="/newemp/" method="post" class="employeeform">{% csrf_token %} #SEE EDIT
<div class="left_field">
{{ form.employeeid.value }}
{{ form.currentemployee.errors }}
<label for="currentemployee" >Current Employee?</label>
{{ form.currentemployee }}<br/><br/>
{{ form.employer.errors }}
<label for="employer" class="fixedwidth">Employer:</label>
{{ form.employer }}<br/>
{{ form.last_name.errors }}
<label for="last_name" class="fixedwidth">Last Name:</label>
{{ form.last_name }}<br/>
{{ form.facility.errors }} #ManyToMany
<label for="facility" class="fixedwidth">Facility:</label>
{{ form.facility }}<br/><br/>
</div>
<div id="submit"><br/>
<input type="submit" value="Submit">
</div>
</form>
#models.py
class Employee(models.Model):
employeeid = models.AutoField(primary_key=True, verbose_name='Employee ID #')
currentemployee = models.BooleanField(null=False, blank=True, verbose_name='Current Employee?')
employer = models.CharField(max_length=30)
last_name = models.CharField(max_length=30)
facility = models.ForeignKey(Facility, null=True, blank=True)
base.html 顶部只有一个标题,左侧有一个菜单和一个大的空 div,表单、员工表等都延伸到其中。
那么,我如何需要更改我的视图和/或模板中的 来更新条目,而不是创建一个新条目?(以及如何填充正确的外键?(下拉框提供了正确的选项,但是即使原始数据库条目包含正确的信息,也选择了“-----”。
让我知道是否需要包含更多文件/代码 :D
编辑:我一直在做更多的工作并且还没有走得太远。我仍然无法获取下拉字段来选择保存在数据库(SQLite3)中的值。但我试图弄清楚的主要问题是如何保存为更新,而不是新条目。save(force_update=True) 不使用默认的 ModelForm 保存参数。