Javascript 从节点路由中的json访问数组中的对象值
如何访问数组中的对象值?特别是“namecase”值?我在数组中有一个ejs视图循环,以便它可以显示我的所有对象值。我正在通过路由传递数据Javascript 从节点路由中的json访问数组中的对象值,javascript,node.js,express,ejs,embedded-javascript,Javascript,Node.js,Express,Ejs,Embedded Javascript,如何访问数组中的对象值?特别是“namecase”值?我在数组中有一个ejs视图循环,以便它可以显示我的所有对象值。我正在通过路由传递数据 //data.json { "works": [{ "company" : "Company 1", "projects": [{ "namecase":"Projectname 1", "desc":"This is a project with fairies.", "img" : "/images
//data.json
{
"works": [{
"company" : "Company 1",
"projects": [{
"namecase":"Projectname 1",
"desc":"This is a project with fairies.",
"img" : "/images/placeholder.jpg",
"url" : "/"
},
{
"namecase":"Projectname 2",
"desc":"This is a project with monsters.",
"img" : "/images/placeholder.jpg",
"url" : "/"
}]
}
]
}
//index.js route
var appdata = require('../data.json');
router.get('/work', function(req, res) {
var myProjects = [];
appdata.works.forEach ( function (item){
//this is where I pull object from json
myProjects = myProjects.concat(item.projects["namecase"]);
});
res.render('work', {
title: 'Work',
projects: myProjects
});
});
///ejs
<% if (projects.length > 0) { %>
<% for (i=0; i<projects.length; i++) { %>
<span><%= projects["namecase"] %></span>
<% }
//data.json
{
“作品”:[{
“公司”:“公司1”,
“项目”:[{
“名称案例”:“项目名称1”,
“描述”:“这是一个有仙女的项目。”,
“img”:“/images/placeholder.jpg”,
“url”:“/”
},
{
“名称案例”:“项目名称2”,
“描述”:“这是一个有怪物的项目。”,
“img”:“/images/placeholder.jpg”,
“url”:“/”
}]
}
]
}
//index.js路由
var appdata=require('../data.json');
路由器.get('/work',函数(req,res){
var myProjects=[];
appdata.works.forEach(函数(项){
//这就是我从json中提取对象的地方
myProjects=myProjects.concat(item.projects[“namecase]”);
});
res.render('work',{
标题:"工作",,
项目:myProjects
});
});
///ejs
0) { %>
您需要的是concat项。项目
,而不是您正在执行的namecase
键。此外,一旦您在works
对象的项目
子对象中,您将需要循环项目,然后对其进行concat,如下所示:
router.get('/work', function(req, res) {
var myProjects = [];
appdata.works.forEach(function(work) {
// Loop through each project to prevent undefined indices from being concatenated
work.projects.forEach(function(project) {
myProjects = myProjects.concat(project);
});
});
res.render('work', {
title: 'Work',
projects: myProjects
});
});
这样做只会返回项目:
[ { namecase: 'Projectname 1',
desc: 'This is a project with fairies.',
img: '/images/placeholder.jpg',
url: '/' },
{ namecase: 'Projectname 2',
desc: 'This is a project with monsters.',
img: '/images/placeholder.jpg',
url: '/' } ]