Oh, thanks a lot, I'll try it anyway. ~~ 2015년 1월 6일 화요일 오후 12시 45분 49초 UTC+9, Collin Anderson 님의 말: > > Hi, > > You probably need to use javascript to make the total price auto-update > when you check or uncheck each box. Check out jQuery if you haven't. > > Once you have that, then, yes, you'll want to re-calculate the price in > django to be sure it's correct. > > You could create an Order or Cart model that stores which (or how many of > each) items have been select, and maybe the total price too. > > Collin > > On Sunday, January 4, 2015 12:55:02 AM UTC-5, rdyact wrote: >> >> >> <https://lh3.googleusercontent.com/-CmnYqbBB-ws/VKjVXOH24II/AAAAAAAAHQw/0zYR1Des11Y/s1600/checkbox%2Boption.png> >> I want to program to calculate sum of user sleclecion of options with >> checkbox. >> Pls help me how to keep away from this suffer. >> I summarize what I want to do in my attached ppt file. >> >> How can I code for this in my viws.py & models.py each? >> >> >> #Product&Choice Model - models.py >> >> class Product(models.Model): >> title = models.CharField(max_length=120) >> description = models.TextField(null=True, blank=True) >> price = models.DecimalField(decimal_places=0, max_digits=100, >> default=10000) >> >> class Choice(models.Model): >> product = models.ForeignKey(Product) >> name = models.CharField(max_length=255) >> price = models.DecimalField(decimal_places=0, max_digits=100, default=0) >> >> # single.html >> >> <p>Your Product Price : {{ product.price }}$</p><hr/> >> >> {% for item in product.choice_set.all %} >> <form method='POST' action=''>{% csrf_token %}<input type='checkbox' >> value='{{ item.id }}' name='choice'> {{ item.name }} : {{ item.price }}$ >> <br/> >> {% endfor %} >> <input type='submit' value='submit'> >> </form><hr/> >> ~~ >> >
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