我在我的运动应用程序中添加圆形图很困难。 是否可以将morris.js值设置为来自我的控制器的变量? 我有@diet_calories变量在控制器中,我想显示碳水化合物 - >蛋白质 - >脂肪在60% - > 20% - > 20%的关系。如果我在脚本标记中设置碳水化合物值(value:@diet_calories * 0.6),则无法工作。 你有解决这个问题的一些建议吗?如何从Rails控制器设置morris.js值
application.html.erb:
<script>
new Morris.Donut({
element: 'diet-circle',
data: [
{ label: "Carbs", value: @diet_calories * 0.6 },
{ label: "Protein", value: @diet_calories * 0.2 },
{ label: "Fat", value: @diet_calories * 0.2 }
]
});
</script>
info_controller.rb:
def diet
if current_user.activity == "Sedentary"
if current_user.goals == "Lose Weight"
@diet_calories = ((@bmr * 1.1) - 300).to_i
elsif current_user.goals == "Maintain Weight"
@diet_calories = (@bmr * 1.1).to_i
elsif current_user.goals == "Add some weight"
@diet_calories = ((@bmr * 1.1) + 300).to_i
end
elsif current_user.activity == "Low"
if current_user.goals == "Lose Weight"
@diet_calories = ((@bmr * 1.5) - 300).to_i
elsif current_user.goals == "Maintain Weight"
@diet_calories = (@bmr * 1.5).to_i
elsif current_user.goals == "Add some weight"
@diet_calories = ((@bmr * 1.5) + 300).to_i
end
elsif current_user.activity == "Medium"
if current_user.goals == "Lose Weight"
@diet_calories = ((@bmr * 1.7) - 300).to_i
elsif current_user.goals == "Maintain Weight"
@diet_calories = (@bmr * 1.7).to_i
elsif current_user.goals == "Add some weight"
@diet_calories = ((@bmr * 1.7) + 300).to_i
end
elsif current_user.activity == "High"
if current_user.goals == "Lose Weight"
@diet_calories = ((@bmr * 2.1) - 300).to_i
elsif current_user.goals == "Maintain Weight"
@diet_calories = (@bmr * 2.1).to_i
elsif current_user.goals == "Add some weight"
@diet_calories = ((@bmr * 2.1) + 300).to_i
end
end
diet.html.erb:
<div id="diet-circle"></div>
大。谢谢你的回答;) – Morgan