文件流下載
// 文件下載
downloadExecl(res) {
const { data, headers } = res;
const contentDisposition = headers['content-disposition'];
const encodeFileName = decodeURIComponent(contentDisposition);
const fileName = encodeFileName.replace('attachment;fileName=', '');
const link = document.createElement('a');
const blob = new Blob([data], { type: 'application/vnd.ms-excel' });
link.style.display = 'none';
link.href = URL.createObjectURL(blob);
link.setAttribute('download', `${fileName}`); // 報表名稱可自定義
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
},
this.batchDeviceExport(params).then(res => {
this.exportBtn = false;
if (res.data) {
let formData = new FormData();
formData.append('data', res.data, {
type: 'application/json'
});
let data = new FileReader();
data.readAsText(formData.get('data'), 'utf-8');
data.onload = () => {
let result = '';
let isExport = true; // 是否導出成功
try {
result = JSON.parse(data.result);
isExport = false;
} catch (error) {
result = data.result;
isExport = true;
}
console.log(result);
if (isExport) {
this.downloadExecl(res);
} else {
let formData = new FormData();
formData.append('data', res.data, {
type: 'application/json'
});
let data = new FileReader();
data.readAsText(formData.get('data'), 'utf-8');
data.onload = () => {
const { msg, success } = JSON.parse(data.result);
if (!success) {
this.$message.error(msg || '服務器異常');
}
};
}
};
}
}).catch(e => {
this.exportBtn = false;
this.$message.error('服務器異常');
});
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