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JS post download file

2022-06-29 10:46:00 【linsa_ pursuer】

<!DOCTYPE html>

<html>

<head>

<meta charset="UTF-8">

<title> download </title>

<script>

var xmlhttp = getXMLHttpRequest();

    var record = "747140577079087276";

    var url = "http://xxx.com/controller/download?docId=" + record;

    xmlhttp.open("POST", url, true);

    xmlhttp.responseType = 'blob';

    xmlhttp.setRequestHeader("Content-Type","application/json");

    xmlhttp.setRequestHeader("Authorization","bearer 6870332e-6741-461b-840f-6e49fcce3baf");

    xmlhttp.send();

    xmlhttp.onreadystatechange = function() {

        if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {

            console.log('111');

            saveAs(xmlhttp.response, record + ".xlsx");

        }

    };

function getXMLHttpRequest() {

    var xmlhttp = null;

    if (window.XMLHttpRequest) {

        xmlhttp = new XMLHttpRequest();

    } else {

        xmlhttp = new ActiveXObject("Microsoft.XMLHttp");

    }

    return xmlhttp;

}

function saveAs(data, name) {

    const blob = new Blob([data]);

    const aElement = document.createElement('a');

    const blobUrl = window.URL.createObjectURL(blob);

    aElement.href = blobUrl;

    aElement.download = name;

    aElement.click();

    window.URL.revokeObjectURL(blobUrl);

}

</script>

</head>

<body>

</body>

</html>

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本文为[linsa_ pursuer]所创，转载请带上原文链接，感谢
https://yzsam.com/2022/180/202206290929398116.html

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