基本上,我有以下JSON起源的对象:
({
"id" : 3,
"clientName" : "Avia",
"monthlyactiveusers" : 2083,
"dailynewlikes" : 0,
"totallikes" : 4258,
"usersgraph" : {
"sTotalLikes" : [{
"likes" : 79,
"date" : "1/1/2010"
},
{
"likes" : 116,
"date" : "1/1/2010"
}],
"sDailyActiveUsers" : [{
"likes" : 79,
"date" : "1/1/2010"
},
{
"likes" : 116,
"date" : "1/1/2010"
}]
}
});
我需要以下结果:
sTotalLikes = [['1/1/2010', 79],['1/1/2010', 79],['1/11/2010', 79]];
sDailyActiveUsers = [['1/1/2010', 10],['1/5/2010', 300],['1/11/2010', 220]];
我知道您可以使用以下代码遍历对象以构建数组,但我不知道如何构建JavaScript数组本身。在此先感谢您的帮助。
var sTotalLikes = new Array();
for (var i = 0; i < usersgraph.sTotalLikes.length; i++) {
//how do I build the arry ?
sTotalLikes[i]
}
最佳答案
您必须遍历sTotalLikes
和sDailyActiveUsers
中的每个项目。
您也可以see the live demo here以获得带有注释的完整且有效的程序。 :)
// declare arrays for storing total likes and active users
var totalLikes = [];
var activeUsers = [];
// first iterate for total likes
for (var i = 0; i < data.usersgraph.sTotalLikes.length; i ++)
{
var like = data.usersgraph.sTotalLikes[i];
// create a new array of date and likes
// and push into total likes
totalLikes.push([like.date, like.likes]);
}
// then iterate for active users
for (var i = 0; i < data.usersgraph.sDailyActiveUsers.length; i ++)
{
var user = data.usersgraph.sDailyActiveUsers[i];
// create a new array of date and likes
// and push into active users
activeUsers.push([user.date, user.likes]);
}
希望这会有所帮助!