我正在玩承诺和API调用,这次是https://www.warcraftlogs.com/v1/docs。这个例子的目标是,当你点击zones
按钮时,所有区域都会显示出来,并允许你点击它们(该部分完成)。下一部分是在区域对象clicked
(本例中为encounters
数组)时显示有关特定区域的详细信息。访问该特定JSON对象的JSON子对象
这里是有问题的笔:http://codepen.io/kresimircoko/pen/ZLJjVM?editors=0011。
问题是如何访问用户点击过的zone
的encounters
数组?
,代码:
const API_KEY = '?api_key=625023d7336dd01a98098c0b68daab7e';
const root = 'https://www.warcraftlogs.com:443/v1/';
const zonesBtn = document.querySelector('#zones');
const responseList = document.querySelector('#response');
console.clear();
const requestJSON = objType => {
return new Promise((resolve, reject) => {
const xhr = new XMLHttpRequest();
xhr.onload = function() {
try {
resolve(JSON.parse(this.responseText));
}
catch (e) {
reject(e);
}
};
xhr.onerror = reject;
xhr.open('GET', root + objType + API_KEY);
xhr.send();
});
};
function displayBosses(zoneID) {
requestJSON('zones')
.then(data => {
return data.find(zone => {
return zone.id === zoneID;
});
})
}
function displayZones() {
let output = '';
requestJSON('zones')
.then(zones => {
return zones.map(zone => {
output += `<li data-zoneid="${zone.id}"> ${zone.name} </li>`;
response.innerHTML = output;
}).join('');
})
.then(responseList.style.display = 'flex');
}
zonesBtn.addEventListener('click', displayZones);
responseList.addEventListener('click', evt => {
const zoneID = evt.target.dataset.zoneid;
displayBosses(zoneID);
})
这里的JSON输出我工作的一部分:
[
{
"id": 3,
"name": "Challenge Modes",
"frozen": true,
"encounters": [
{
"id": 11182,
"name": "Auchindoun"
},
{
"id": 11175,
"name": "Bloodmaul Slag Mines"
},
{
"id": 11279,
"name": "The Everbloom"
},
{
"id": 11208,
"name": "Grimrail Depot"
},
{
"id": 11195,
"name": "Iron Docks"
},
{
"id": 11176,
"name": "Shadowmoon Burial Grounds"
},
{
"id": 11209,
"name": "Skyreach"
},
{
"id": 11358,
"name": "Upper Blackrock Spire"
}
],
"brackets": [
{
"id": 1,
"name": "6.0"
},
{
"id": 2,
"name": "6.1"
},
{
"id": 3,
"name": "6.2"
}
]
},
{
"id": 4,
"name": "Throne of Thunder",
"frozen": true,
"encounters": [
{
"id": 1577,
"name": "Jin'rokh the Breaker"
},
{
"id": 1575,
"name": "Horridon"
},
{
"id": 1570,
"name": "Council of Elders"
},
{
"id": 1565,
"name": "Tortos"
},
{
"id": 1578,
"name": "Megaera"
},
{
"id": 1573,
"name": "Ji-kun"
},
{
"id": 1572,
"name": "Durumu the Forgotten"
},
{
"id": 1574,
"name": "Primordius"
},
{
"id": 1576,
"name": "Dark Animus"
},
{
"id": 1559,
"name": "Iron Qon"
},
{
"id": 1560,
"name": "Twin Consorts"
},
{
"id": 1579,
"name": "Lei Shen"
},
{
"id": 1580,
"name": "Ra-den"
}
]
},
你有问题吗? –
您可以发布从服务器返回的JSON样本吗?在不知道结构的情况下,我们无法建议如何访问。 –
@VanquishedWombat添加了JSON的一部分,特别是前2个对象 –