【轉】Django模糊查詢

def search(request):
    searchtype = request.POST.get("searchtype")
    keyword = request.POST.get("keyword")
    if searchtype == "all":
        #多個字段模糊查詢， 括號中的下划線是雙下划線，雙下划線前是字段名，雙下划線后可以是icontains或contains,區別是是否大小寫敏感，豎線是或的意思
        sciencenews = models.Sciencenews.objects.filter(Q(title__icontains=keyword)\
        |Q(content__icontains=keyword)|Q(author__icontains=keyword))
    elif searchtype == "author":
        #單個字段模糊查詢
        sciencenews = models.Sciencenews.objects.filter(author__icontains=keyword)
    elif searchtype == "title":
        sciencenews = models.Sciencenews.objects.filter(title__icontains=keyword)
    elif searchtype == "content":
        sciencenews = models.Sciencenews.objects.filter(content__icontains=keyword)
    else:
        #使用點連接的filter鏈表示and
        sciencenews = models.Sciencenews.objects.filter(author__icontains=keyword).\
            filter(title__icontains=keyword).filter(content__icontains=keyword)

    return render(request,"show/index.html",{"param":sciencenews,"searchtype":searchtype,"keyword":keyword})

 

　　#多個字段模糊查詢， 括號中的下划線是雙下划線，雙下划線前是字段名，雙下划線后可以是icontains或contains,區別是是否大小寫敏感，豎線是或的意思sciencenews = models.Sciencenews.objects.filter(Q(title__icontains=keyword)|Q(content__icontains=keyword)|Q(author__icontains=keyword))