通过自定义admin的模板文件实现省市区的三级联动.要求创建记录时,根据省>市>区的顺序选择依次显示对应数据.
修改记录时默认显示已存在的数据.
model
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class member(models.model): name = models.charfield(max_length=100, verbose_name='姓名') province = models.charfield(max_length=100, null=true, blank=true, verbose_name='省份') city = models.charfield(max_length=100, null=true, blank=true, verbose_name='城市') district = models.charfield(max_length=100, null=true, blank=true, verbose_name='区/县') class meta: verbose_name_plural = verbose_name = '人员' def __str__(self): return self.name |
view和url
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# viewslocation = {'吉林省': {'长春市': ['南关区', '朝阳区', '二道区', '绿园区']}}def choose_province(request): province = list(location.keys()) return jsonresponse(province, safe=false)def choose_city(request): province = request.get.get('p') cities = list(location[province].keys()) return jsonresponse(cities, safe=false)def choose_district(request): province = request.get.get('p') city = request.get.get('c') districts = location[province][city] return jsonresponse(districts, safe=false) # urlsfrom person.views import choose_province, choose_city, choose_districturlpatterns = [ path('province/', choose_province), path('city/', choose_city), path('district/', choose_district), path('admin/', admin.site.urls),] |
admin
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class memberform(forms.modelform): class meta: widgets = { 'province': forms.select(), 'city': forms.select(), 'district': forms.select() }@admin.register(member)class memberadmin(admin.modeladmin): form = memberform fields = ('name', ('province', 'city', 'district')) list_display = ('name', 'province', 'city', 'district') change_form_template = 'area.html' |
这里需要写一个form将省市区这三个字段显示为单选框.
模板文件
找到django源码中的change_form.html(django/contrib/admin/templates/admin/)文件,复制到app下templates目录中.
在admin中指定自定义的模板文件 change_form_template = 'area.html'
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{% block admin_change_form_document_ready %} <script type="text/javascript" id="django-admin-form-add-constants" src="{% static 'admin/js/change_form.js' %}" {% if adminform and add %} data-model-name="{{ opts.model_name }}" {% endif %}> </script> <script type="text/javascript"> (function($) { $('#id_city').change(function() { let p_id = $('#id_province').val(); let c_id = $('#id_city').val(); $.get('/district/', {"p": p_id, "c": c_id }, function(a_info) { var area_info = $('#id_district').empty().append('<option value>' + '---------' + '</option>'); $.each(a_info, function(i, area) { area_info.append('<option value="' + area + '">' + area + '</option>') }); {% if change %} $("#id_district").find("option:contains({{ original.district }})").attr('selected', true); {% endif %} }); }); $('#id_province').change(function() { let p_id = $('#id_province').val(); $.get('/city/', { 'p': p_id }, function(c_info) { var city_info = $('#id_city').empty().append('<option value>' + '---------' + '</option>'); $.each(c_info, function(i, city) { city_info.append('<option value="' + city + '">' + city + '</option>') }); {% if change %} $("#id_city").find("option:contains({{ original.city }})").attr('selected', true); $("#id_city").trigger("change"); {% endif %} }); }); $.get('/province/', function(p_info) { var province_info = $('#id_province').empty().append('<option value>' + '---------' + '</option>'); $.each(p_info, function(i, province) { province_info.append('<option value="' + province + '">' + province + '</option>') }); {% if change %} $("#id_province").find("option:contains({{ original.province }})").attr('selected', true); $("#id_province").trigger("change"); {% endif %} }); })(django.jquery); </script> |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：http://www.cnblogs.com/thunderLL/p/9210472.html
