[英]How to push JSON object in to array using javascript
我试图从url获取JSON数据。它是对象的形式我必须将对象数据推送到数组。
var my_json;
$.getJSON("https://api.thingspeak.com/channels/"+did+"/feeds.json?api_key="+apikey+"&results=300", function(json1) {
console.log(json1);
json1.feeds.forEach(function(feed,i){
console.log("\n The details of " + i + "th Object are : \nCreated_at: " + feed.created_at + "\nEntry_id:" + feed.entry_id + "\nField1:" + feed.field1 + "\nField2:" + feed.field2+"\nField3:" + feed.field3);
my_json = feed;
console.log(my_json); //Object {created_at: "2017-03-14T01:00:32Z", entry_id: 33358, field1: "4", field2: "4", field3: "0"}
var data = [];
for(var i in my_json)
data.push(my_json [i]);
console.log(data); //["2017-03-14T01:00:32Z", 33358, "4", "4", "0"]
});
我已经在my_json中尝试了如上所述我有对象形式的json数据现在我必须将该对象作为数组存储到var数据中,格式如下
[{
"created_at": "2017-03-14T01:00:32Z",
"entry_id": 33358,
"field1": "4",
"field2": "4",
"field3": "0"
},
{
"created_at": "2017-03-14T22:54:43Z",
"entry_id": 33398,
"field1": "84",
"field2": "32",
"field3": "0"
}];
任何人都可以帮我怎么做??谢谢你
意见
尝试这个 :
var feed = {created_at: "2017-03-14T01:00:32Z", entry_id: 33358, field1: "4", field2: "4", field3: "0"}; var data = []; data.push(feed); console.log(data);
代替 :
var my_json = {created_at: "2017-03-14T01:00:32Z", entry_id: 33358, field1: "4", field2: "4", field3: "0"}; var data = []; for(var i in my_json) { data.push(my_json[i]); } console.log(data);
var postdata = {created_at: "2017-03-14T01:00:32Z", entry_id: 33358, field1: "4", field2: "4", field3: "0"};
var data = [];
data.push(postdata);
console.log(data);
你可以尝试这样的事吗? 你必须将每个json放在数据中而不是json [i],因为在你这样做的过程中,你只能得到每个json的属性。 把整个json放在数据中
var my_json;
$.getJSON("https://api.thingspeak.com/channels/"+did+"/feeds.json?api_key="+apikey+"&results=300", function(json1) {
console.log(json1);
var data = [];
json1.feeds.forEach(function(feed,i){
console.log("\n The details of " + i + "th Object are : \nCreated_at: " + feed.created_at + "\nEntry_id:" + feed.entry_id + "\nField1:" + feed.field1 + "\nField2:" + feed.field2+"\nField3:" + feed.field3);
my_json = feed;
console.log(my_json); //Object {created_at: "2017-03-14T01:00:32Z", entry_id: 33358, field1: "4", field2: "4", field3: "0"}
data.push(my_json);
});
你需要在循环之外使用'data'数组,否则它会在每个循环中重置,你也可以直接推送json。 找到以下解决方案: -
var my_json;
$.getJSON("https://api.thingspeak.com/channels/"+did+"/feeds.json?api_key="+apikey+"&results=300", function(json1) {
console.log(json1);
var data = [];
json1.feeds.forEach(function(feed,i){
console.log("\n The details of " + i + "th Object are : \nCreated_at: " + feed.created_at + "\nEntry_id:" + feed.entry_id + "\nField1:" + feed.field1 + "\nField2:" + feed.field2+"\nField3:" + feed.field3);
my_json = feed;
console.log(my_json); //Object {created_at: "2017-03-14T01:00:32Z", entry_id: 33358, field1: "4", field2: "4", field3: "0"}
data.push(my_json);
//["2017-03-14T01:00:32Z", 33358, "4", "4", "0"]
});
console.log(data);
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