引入html
from django.forms.models import modelformset_factory
視圖函數django
def get(self, request, class_study_record_id): model_formset_cls = modelformset_factory(model=StudentStudyRecord, form=StudentStudyRecordModelForm, extra=0) # extra用戶擴展添加爲0則不顯示添加 queryset = StudentStudyRecord.objects.filter(classstudyrecord=class_study_record_id) formset = model_formset_cls(queryset=queryset) return render(request, "study/StudentScore.html", {"formset": formset})
模板app
{{ formset.management_form }} # 使用前必須先添加這句代碼 {% for form in formset %} <tr> <td>{{ forloop.counter }}</td> <td>{{ form.instance.student }}</td> #加instance是用來只顯示內容而不顯示錶單控件 <td>{{ form.instance.get_record }}</td> <td>{{ form.score }} </td> <td>{{ form.homework_note }}</td> </tr> {% endfor %}
def get_record(self): status_color = { "checked": "#66CD00", "vacate": "#B03060", "absence": "#FF3030", "late": "#FF4040", "leave_early": "#FF69B4" } return mark_safe("<span style='background-color:%s;color:white'>%s</span>" % (status_color[self.record], self.get_record_display()))
其中record爲表中字段,目的能夠實如今模板渲染中給record字段添加額外的樣式函數
Record.objects.filter(record=record_id)
如上在視圖函數中進行filter過濾時,其括號內必須是表內的字段,不能使用參數oop
xxx = "record" Record.objects.filter(xxx=record_id)
這樣 ↑ 就會報錯,因此解決的方式是使用字典打散,以及Q函數,字典打散簡潔可是侷限在只能是且的關係,或的關係就只能用Q函數post
代碼以下:spa
xxx = "record" dict = {} dict["xxx"] = "record" Record.objects.filter(**dict)
以搜索爲例code
# 搜索 val = request.GET.get('q') # 獲取搜索條件 field = request.GET.get('field') # 獲取搜索範圍 if val: q = Q() q.children.append((field + "__contains", val)) # 注意必須是元組 元組內的兩個分別爲: 表內字段 and 篩選條件 customer_list = customer_list.filter(q)
con = Q() q1 = Q() q1.connector = 'OR' q1.children.append(('id', 1)) q1.children.append(('id', 2)) q1.children.append(('id', 3)) q2 = Q() q2.connector = 'OR' q2.children.append(('status', '在線')) con.add(q1, 'AND') con.add(q2, 'AND') models.Tb1.objects.filter(con)
post請求結束使用redirect重定向會當前頁面時,一樣能夠返回self.get(),經過get請求實現orm