普通文件下载
// 1
var fileUrl = 'https://xxxx.docx';
window.open(fileUrl+"?attname=文档.docx");
// 2
var a= document.createElement('a');
a.href = 'https://xxxx.docx';
a.download = '文档.docx';
a.target = "_blank";
a.click();
以上方式 attname 和 a.download 属性在跨域请求无效
解决跨域下载
download() {
this.getBlobFile('https://xxx.xxxx.docx').then(blob => {
var a = document.createElement('a');
a.href = window.URL.createObjectURL(blob);
a.download = '文档.docx';
a.click();
a.remove();
});
},
getBlobFile(url) {
return new Promise(resolve => {
const xReq = new XMLHttpRequest();
xReq.open('GET', url, true);
xReq.responseType = 'blob';
xReq.onload = () => {
if (xReq.status === 200) {
resolve(xReq.response);
}
};
xReq.send();
});
}
download(item) {
var xReq = new XMLHttpRequest();
xReq.open(‘GET’, ‘https://xxx.xxxx.docx’, true);
xReq.responseType = ‘blob’;
xReq.onload = function () {
var url = window.URL.createObjectURL(xReq.response);
var a = document.createElement(‘a’);
a.href = url;
a.download = ‘文档.docx’;
a.click();
a.remove();
};
xReq.send();
},