len = infodata.length;
if (len < 5) {
for (var i = 0; i < len; i++) {
}
} else {
var html,ids=[];
for (var i = 0; i < 5; i++) {
var l = parseInt(Math.random() * 10);
ids.push(infodata[l].id)
}
//需要用每一个id去查询返回的不同的数据，最后进行统一处理
getAllResults(ids, function(res){
console.log(res)
})
}
function getAllResults(groupIds, callBack) {
let allResults = []
//对多个promise进行统一处理，返回结果
Promise.all(getPromiseArray(groupIds)).then(function (values) {
for (let i = 0; i < values.length; i++) {
if(values[i].data){
allResults.push(values[i].data)
} else {
allResults.push(values[i])
}
}
callBack(allResults)
})
}
// 返回多个成功的promise对象
function getPromiseArray(groupIds){
var promiseArray = [];
videoArr = [];
for (var i = 0; i < groupIds.length; i++) {
let promise = play(groupIds[i]);
promiseArray.push(promise)
}
return promiseArray;
}
function renderdata(infodata) {
l = parseInt(Math.random() * 10);
return new Promise(function (resolve, reject) {
return play(infodata[l].id).then(function (res) {
return resolve(res)
})
})
}
function play(id){
var params={
cameraid:id
}
return new Promise(function(resolve,reject){
$s.get('artemispost/getCameraPreviewURL_S.do', params, function (res) {
resolve('http://'+Math.random()*10)
}, true,true)
})
