var btn = document.getElementById('saveQrCodeCourseBatch');
var str = $("#saveQrCodeCourseBatch").attr('data-taskId');
str = str.substr(0, str.length - 1);
var arr = str.split(','); //taskId數組
var course_id = "{{ course.id }}"; //課程id
var mp3arr = [];
for(var i in arr){
var url = "{{ path('save_qrcode')}}";
var uid = "{{ app.user.id }}";
var type = "task";
var id = course_id;
var taskId = arr[i];
var text = "{{ path('course_qrcode_myqcodec') }}"+"?id="+course_id+"&taskId="+taskId+"&type="+type;
mp3arr.push(url+"?text="+text+"&id="+course_id+"&taskId="+taskId+"&uid="+uid+"&type="+type);
}
function download(name, href) {
var a = document.createElement("a"), //創建a標籤
e = document.createEvent("MouseEvents"); //創建鼠標事件對象
e.initEvent("click", false, false); //初始化事件對象
a.href = href; //設置下載地址
a.download = name; //設置下載文件名
a.dispatchEvent(e); //給指定的元素,執行事件click事件
}
//給多文件下載按鈕添加點擊事件
btn.onclick = function name(params) {
for (let index = 0; index < mp3arr.length; index++) {
download('第' + index + '個文件', mp3arr[index]);
}
}
參考地址爲:http://www.jq22.com/webqd4287