文件下载方法

function downLoad(path) {
let str1 = path.substring(0, 1);
let pathN = ‘’;
//判断传过来的下载路劲是否有带‘/’ 防止下载时候地址拼接出现问题
if (str1 == ‘/’) {
pathN = path;
} else {
pathN = ‘/’ + path;
}
var eleLink = document.createElement(“a”);
var strs = pathN.split("/");
for (var i = 0; i < strs.length; i++) {
if (i == strs.length - 1) {
var filename = strs[i];
}
}
eleLink.download = filename;
eleLink.style.display = “none”;
eleLink.href = pathN;
document.body.appendChild(eleLink);
eleLink.click();
document.body.removeChild(eleLink);
}