js下载写入文件并下载文件_var url = window.url || window.webkiturl; 小程序报错-优快云博客

本文链接：https://blog.youkuaiyun.com/leixu1027/article/details/55251858

<!DOCTYPE html>
<html>
<head>
    <!--<script type='text/javascript' src="SaveBlob.js"/>-->
</head>
<body>
<input type="button" id="savetext" value="Save" onclick="Save()"/></div>

<script>

    // 下载的方法
    function doSave(value, type, name) {
        var blob;
        if (typeof window.Blob == "function") {
            blob = new Blob([value], {type: type});
        } else {
            var BlobBuilder = window.BlobBuilder || window.MozBlobBuilder || window.WebKitBlobBuilder || window.MSBlobBuilder;
            var bb = new BlobBuilder();
            bb.append(value);
            blob = bb.getBlob(type);
        }
        var URL = window.URL || window.webkitURL;
        var bloburl = URL.createObjectURL(blob);
        var anchor = document.createElement("a");
        if ('download' in anchor) {
            anchor.style.visibility = "hidden";
            anchor.href = bloburl;
            anchor.download = name;
            document.body.appendChild(anchor);
            var evt = document.createEvent("MouseEvents");
            evt.initEvent("click", true, true);
            anchor.dispatchEvent(evt);
            document.body.removeChild(anchor);
        } else if (navigator.msSaveBlob) {
            navigator.msSaveBlob(blob, name);
        } else {
            location.href = bloburl;
        }
    }

    var a=new Array();
    for(var i=0;i<10;i++)
        a.push(i);

    // 执行下载方法
    function Save(){
        doSave(a, "text/latex", "sss.txt");  
    }
</script>
</body>
</html>

js下载 写入文件并下载文件

js下载写入文件并下载文件