//创建内存中的表单对象
var
form =
new
FormData();
//向其中添加要传输的数据
form.append(
"参数名"
, 参数值);
axios.post(downloadUrl, form
, { responseType: 'blob'
}).then(res => {
let blob = res.data
let reader = new FileReader()
reader.readAsDataURL(blob)
reader.onload = (e) => {
let a = document.createElement('a')
a.download = '文件名'
a.href = e.target.result
document.body.appendChild(a)
a.click()
document.body.removeChild(a) }
})
//////////////////////////////////////////////////////////////////////////////////////////////////第二种写法
this.httpclient.request('POST', url, {
responseType: 'blob',
params: new HttpParams({
fromObject: requestParam //传入的参数对象
}),
body: requestParam
}).toPromise().then((val) => {
// 从后台查询到数据后进行导出最后的操作
const blob = new Blob([val], { type: 'application/vnd.ms-excel' });
const fileName = curFileName + '.xls';
if (window.navigator.msSaveOrOpenBlob) {// For IE浏览器
navigator.msSaveBlob(blob, fileName);
} else { // For 其他浏览器
const objectUrl = URL.createObjectURL(blob);
const a = document.createElement('a');
document.body.appendChild(a);
a.setAttribute('style', 'display:none');
a.setAttribute('href', objectUrl);
a.setAttribute('download', fileName);
a.click();
URL.revokeObjectURL(objectUrl);
}
}
responseType: 'blob',
params: new HttpParams({
fromObject: requestParam //传入的参数对象
}),
body: requestParam
}).toPromise().then((val) => {
// 从后台查询到数据后进行导出最后的操作
const blob = new Blob([val], { type: 'application/vnd.ms-excel' });
const fileName = curFileName + '.xls';
if (window.navigator.msSaveOrOpenBlob) {// For IE浏览器
navigator.msSaveBlob(blob, fileName);
} else { // For 其他浏览器
const objectUrl = URL.createObjectURL(blob);
const a = document.createElement('a');
document.body.appendChild(a);
a.setAttribute('style', 'display:none');
a.setAttribute('href', objectUrl);
a.setAttribute('download', fileName);
a.click();
URL.revokeObjectURL(objectUrl);
}
}