javascript 将数据从节点传递给玉？
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Passing data from node to jade?
提问by paynestrike
The problem is I render a view and send some data
问题是我渲染了一个视图并发送了一些数据
console.log(products); // shows an array
res.render('seller/sell',{'shop_id':req.user.shop_id ,'products':products});
and I save the data like this in jade
我把这样的数据保存在玉中
input(id='shop_id',type='hidden',name='shop_id',value='#{shop_id}')
input(id='pd',type='hidden',name='pd',value='#{products}')
if(products !='')
each val , key in products
a(href!='home/sell/edit?id=#{val.id} ',class='product')
img(class='product_thum',src!='#{ val.product_thum}',alt!='#{ val.product_name}',title!='#{ val.product_name}')
p.product_name #{ val.product_name}
and then I try to get the products
然后我尝试获得产品
var d = $('#pd').val();
console.log(typeof d); //shows string
I know that products shuld be a array otherwise
我知道产品应该是一个数组，否则
if(products !='')
each val , key in products
a(href!='home/sell/edit?id=#{val.id} ',class='product')
img(class='product_thum',src!='#{ val.product_thum}',alt!='#{ val.product_name}',title!='#{ val.product_name}')
p.product_name #{ val.product_name}
Wont work, but why did I get a string when I need the array?
行不通，但是为什么在需要数组时会得到一个字符串？
What did I do wrong?
我做错了什么？
回答by Alex
You cannot 'store' an array in a hidden input field, but what you could do is store a list of the product id's, something like this:
您不能在隐藏的输入字段中“存储”一个数组，但您可以做的是存储产品 ID 的列表，如下所示：
var productIds = products.map(function(product){return product.id}).toString();
res.render('seller/sell',
{'shop_id':req.user.shop_id ,'products':products, productIds: productIds});
Then, in your jade view:
然后，在您的翡翠视图中：
input(id='shop_id',type='hidden',name='shop_id',value='#{shop_id}')
input(id='pd',type='hidden',name='pd',value='#{productIds}')
if(products !='')
each val , key in products
a(href!='home/sell/edit?id=#{val.id} ',class='product')
img(class='product_thum',src!='#{ val.product_thum}',alt!='#{ val.product_name}',title!='#{ val.product_name}')
p.product_name #{ val.product_name}
The value of pdwill now be a comma separated list of product Ids
的值pd现在将是一个逗号分隔的产品 ID 列表
Not particularly elegant, but it solves the problem.
不是特别优雅，但它解决了问题。
回答by Praveen
Best way to show comma separated string Example data = abc,pqr,lmn;
显示逗号分隔字符串的最佳方式 Example data = abc,pqr,lmn;
below code in js file
test = data.toString().split('",");
res.render("show.jade",{list: test});
display the code in jade as
table
tbody
each item in list
tr
td #{item}
