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  • JS 由前端保存到文件

    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 test = {
        a: [1, 2],
        b: [3, 4]
    }
    doSave(JSON.stringify(test), "text/latex", "hello.txt");
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  • 原文地址:https://www.cnblogs.com/413xiaol/p/11442103.html
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