Javascript 将对象属性从一个JSON数据文件添加到另一个JSON数据文件
我有两个本地JSON文件。我想将一个文件中一个对象的属性添加到另一个文件中相应的对象 下面是一个例子 阵列1:Javascript 将对象属性从一个JSON数据文件添加到另一个JSON数据文件,javascript,arrays,json,angularjs,Javascript,Arrays,Json,Angularjs,我有两个本地JSON文件。我想将一个文件中一个对象的属性添加到另一个文件中相应的对象 下面是一个例子 阵列1: [ { "id": 1, "username": "Joe Smith", "pic": "images/profile/Joe_smith.jpg" }, { "id": 2, "username": "Jane Smith", "pic": "images/profile/Jane_smith.jpg" } ] 阵
[
{
"id": 1,
"username": "Joe Smith",
"pic": "images/profile/Joe_smith.jpg"
},
{
"id": 2,
"username": "Jane Smith",
"pic": "images/profile/Jane_smith.jpg"
}
]
阵列2:
[
{
"id": 3,
"userId": 1,
"profession": "dentist"
},
{
"id": 4,
"userId": 2,
"profession": "pilot"
}
其思想是将Array1中的pic属性添加到Array2中的正确对象。如果Array1中的id与Array2中的用户id匹配,则为正确匹配。Array2最终会变成这样:
[
{
"id": 3,
"userId": 1,
"profession": "dentist",
"pic": "images/profile/Joe_smith.jpg"
},
{
"id": 4,
"userId": 2,
"profession": "pilot",
"pic": "images/profile/Jane_smith.jpg"
}
之后,我将使用angular来显示一个带有人脸的名称。希望我能解释清楚。任何帮助都将不胜感激 只是为了好玩。在本例中,使用
似乎与解析JSON、迭代两个数组并合并单个对象一样简单。你有什么特别的问题吗?你知道如何解析JSON吗?如何迭代数组?我知道如何迭代数组,在这种情况下,我可能需要重复两次。不过,解析对我来说还是新鲜事。谢谢你的费利克斯
var people = [
{ "id": 1, "username": "Joe Smith", "pic": "images/profile/Joe_smith.jpg" },
{ "id": 2, "username": "Jane Smith", "pic": "images/profile/Jane_smith.jpg"},
{ "id": 3, "username": "I play too much games", "pic": "images/profile/toomuch.jpg"}
];
var professions = [
{ "id": 3, "userId": 1, "profession": "dentist" },
{ "id": 4, "userId": 2, "profession": "pilot" }
];
var workers = _.map(people, function(human) {
var work = _.findWhere(professions, { 'userId': human.id });
return _.extend(human, work ? work : { 'profession' : 'unemployed' });
});
console.log(workers);