js相容IE下載圖片在本地
阿新 • • 發佈:2018-12-26
$("#tab1").bindChildEvent("#download",function(){
var imgPathURL=$("#div_edit_image_views #image").attr("src");
if(imgPathURL){
oDownLoad(imgPathURL);
}else{
$.jAlert("二維碼圖片為空");
}
});
//判斷瀏覽器型別
function myBrowser(){
var userAgent = navigator.userAgent; //取得瀏覽器的userAgent字串
var isOpera = userAgent.indexOf("Opera") > -1;
if (isOpera) {
return "Opera"
}; //判斷是否Opera瀏覽器
if (userAgent.indexOf("Firefox") > -1) {
return "FF";
} //判斷是否Firefox瀏覽器
if (userAgent.indexOf("Chrome") > -1){
return "Chrome";
}
if (userAgent.indexOf("Safari") > -1) {
return "Safari";
} //判斷是否Safari瀏覽器
if (userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera) {
return "IE";
}; //判斷是否IE瀏覽器
if (userAgent.indexOf("Trident") > -1) {
return "Edge";
} //判斷是否Edge瀏覽器
}
//IE瀏覽器圖片儲存本地
function SaveAs5(imgURL)
{
var oPop = window.open(imgURL,"","width=1, height=1, top=5000, left=5000");
for(; oPop.document.readyState != "complete"; )
{
if (oPop.document.readyState == "complete")break;
}
oPop.document.execCommand("SaveAs");
oPop.close();
}
function oDownLoad(url) {
if (myBrowser()==="IE"||myBrowser()==="Edge"){
SaveAs5(url);
}else{
download(url);
}
}
//谷歌,360極速等瀏覽器下載
function download(src) {
var $a = document.createElement('a');
$a.setAttribute("href", src);
$a.setAttribute("download", "");
var evObj = document.createEvent('MouseEvents');
evObj.initMouseEvent( 'click', true, true, window, 0, 0, 0, 0, 0, false, false, true, false, 0, null);
$a.dispatchEvent(evObj);
};