无法读取未定义的哈巴狗的 属性 'length'

Question

我写了这段代码，但我得到了错误的 jade iteration: cannot read 属性 'length' of undefined trying to send data to pug view 我无法读取它，因为它是错误的

app.get('/about', (req, res)=>{
  var partners =[
    { "name":"Name1", "image": "img1.jpg" },
    { "name": "Name2", "image": "img2.jpg" },
    {"name":"Name3", "image": "img3.jpg" }
  ];

  let lang = getLang(req, res, ['about']);

  res.render('about', {partners , ...lang});
});

extends layout

block content
  .subhead
    h2= about.title

  .content.about
    for item in about.team
      div.team
        h3
          span= item[0]
          small= item[1]
        p= item[2]
  each partner in partners
     li.swiper-slide
       img(src=partner.image, alt=partner.name)

Answer 1

这是哈巴狗模板未正确传递变量时出现的错误。我敢打赌你的节点服务器没有正确解释你的 "new" JSON 语法。

改用这个更基本的 JSON，它将起作用：

res.render('about', {
  "partners": partners,
  "lang": lang
});