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//获取本地电脑可选的打印机(驱动)，并默认选择cookie中存储的打印机function printerList() {    //读cookie中存储已经选择的打印机：    var arrStr = document.cookie.split("; ");    var strPName;    for (var i = 0; i < arrStr.length; i++) {        var temp = arrStr[i].split("=");        if (temp[0] == "printn" && unescape(temp[1]) != "") {            LODOP.SET_PRINTER_INDEX(unescape(temp[1]));            strPName = LODOP.GET_PRINTER_NAME(unescape(temp[1]));        }    }    var count = LODOP.GET_PRINTER_COUNT();    $("#printer").html("");    for (var i = 0; i < count; i++) {        //根据设备序号获取设备名        var msg = LODOP.GET_PRINTER_NAME(i);        //将设备名添加到select块，并添加相应value值        if (msg == strPName) {            $("#printer").append("" + msg + "");        } else {            $("#printer").append("" + msg + "");        }    }} //选择打印机后存储到cookie$("#printer").change(function () {    var Days = 300;    var exp = new Date();    //设置cookie过期时间    exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000);    document.cookie = "printn=" + $("#printer").val() + ";expires=" + exp.toGMTString();}); window.onload = function () {    printerList();};

//获取选择的打印机

function getPrinter() {    var arrStr = document.cookie.split("; ");    for (var i = 0; i < arrStr.length; i++) {        var temp = arrStr[i].split("=");        if (temp[0] == "printn" && unescape(temp[1]) != "") {            indexPrinter = unescape(temp[1]);            //指定打印机            LODOP.SET_PRINTER_INDEX(indexPrinter);        }    }}

效果图：

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