java+lodop+vue+热敏打印机，打印图片

1.根据需求生成图片模板，详情见 https://www.cnblogs.com/xiaokangk/p/11151774.html

2.下载lodop并进行安装（安装步骤详情百度）

3.安装热敏打印机驱动 （我的以扫码哥X8为例，安装步骤可以百度）

4.编写lodop.js

var CreatedOKLodop7766 = null;

//====判断是否需要安装CLodop云打印服务器:====
export function needCLodop() {
    try {
        var ua = navigator.userAgent;
        if (ua.match(/WindowssPhone/i) != null) return true;
        if (ua.match(/iPhone|iPod/i) != null) return true;
        if (ua.match(/Android/i) != null) return true;
        if (ua.match(/EdgeD?d+/i) != null) return true;

        var verTrident = ua.match(/TridentD?d+/i);
        var verIE = ua.match(/MSIED?d+/i);
        var verOPR = ua.match(/OPRD?d+/i);
        var verFF = ua.match(/FirefoxD?d+/i);
        var x64 = ua.match(/x64/i);
        if ((verTrident == null) && (verIE == null) && (x64 !== null))
            return true;
        else if (verFF !== null) {
            verFF = verFF[0].match(/d+/);
            if ((verFF[0] >= 42) || (x64 !== null)) return true;
        } else if (verOPR !== null) {
            verOPR = verOPR[0].match(/d+/);
            if (verOPR[0] >= 32) return true;
        } else if ((verTrident == null) && (verIE == null)) {
            var verChrome = ua.match(/ChromeD?d+/i);
            if (verChrome !== null) {
                verChrome = verChrome[0].match(/d+/);
                if (verChrome[0] >= 42) return true;
            }
            ;
        }
        ;
        return false;
    } catch (err) {
        return true;
    }
    ;
};

//====页面引用CLodop云打印必须的JS文件：====
if (needCLodop()) {
    var head = document.head || document.getElementsByTagName("head")[0] || document.documentElement;
    var oscript = document.createElement("script");
    oscript.src = "http://localhost:8000/CLodopfuncs.js?priority=1";
    head.insertBefore(oscript, head.firstChild);

    //引用双端口(8000和18000）避免其中某个被占用：
    oscript = document.createElement("script");
    oscript.src = "http://localhost:18000/CLodopfuncs.js?priority=0";
    head.insertBefore(oscript, head.firstChild);
}
;

//====获取LODOP对象的主过程：====
export function getLodop(oOBJECT, oEMBED) {
    var strHtmInstall = "<br><font color='#FF00FF'>打印控件未安装!点击这里<a href='install_lodop32.exe' target='_self'>执行安装</a>,安装后请刷新页面或重新进入。</font>";
    var strHtmUpdate = "<br><font color='#FF00FF'>打印控件需要升级!点击这里<a href='install_lodop32.exe' target='_self'>执行升级</a>,升级后请重新进入。</font>";
    var strHtm64_Install = "<br><font color='#FF00FF'>打印控件未安装!点击这里<a href='install_lodop64.exe' target='_self'>执行安装</a>,安装后请刷新页面或重新进入。</font>";
    var strHtm64_Update = "<br><font color='#FF00FF'>打印控件需要升级!点击这里<a href='install_lodop64.exe' target='_self'>执行升级</a>,升级后请重新进入。</font>";
    var strHtmFireFox = "<br><br><font color='#FF00FF'>（注意：如曾安装过Lodop旧版附件npActiveXPLugin,请在【工具】->【附加组件】->【扩展】中先卸它）</font>";
    var strHtmChrome = "<br><br><font color='#FF00FF'>(如果此前正常，仅因浏览器升级或重安装而出问题，需重新执行以上安装）</font>";
    var strCLodopInstall = "<br><font color='#FF00FF'>CLodop云打印服务(localhost本地)未安装启动!点击这里<a href='http://www.c-lodop.com/download/CLodop_Setup_for_Win32NT_https_3.008Extend.zip' target='_self'>执行安装</a>,安装后请刷新页面。</font>";
    var strCLodopUpdate = "<br><font color='#FF00FF'>CLodop云打印服务需升级!点击这里<a href='CLodop_Setup_for_Win32NT.exe' target='_self'>执行升级</a>,升级后请刷新页面。</font>";
    var LODOP;
    try {
        var isIE = (navigator.userAgent.indexOf('MSIE') >= 0) || (navigator.userAgent.indexOf('Trident') >= 0);
        if (needCLodop()) {
            try {
                LODOP = getCLodop();
            } catch (err) {
            }
            ;
            if (!LODOP && document.readyState !== "complete") {
                alert("C-Lodop没准备好，请稍后再试！");
                return;
            }
            ;
            if (!LODOP) {
                // if (isIE) document.write(strCLodopInstall); else
                // document.documentElement.innerHTML=strCLodopInstall+document.documentElement.innerHTML;
                // return;
            } else {

                if (CLODOP.CVERSION < "3.0.0.2") {
                    if (isIE) document.write(strCLodopUpdate);
                    else
                        document.documentElement.innerHTML = strCLodopUpdate + document.documentElement.innerHTML;
                }
                ;
                if (oEMBED && oEMBED.parentNode) oEMBED.parentNode.removeChild(oEMBED);
                if (oOBJECT && oOBJECT.parentNode) oOBJECT.parentNode.removeChild(oOBJECT);
            }
            ;
        } else {
            var is64IE = isIE && (navigator.userAgent.indexOf('x64') >= 0);
            //=====如果页面有Lodop就直接使用，没有则新建:==========
            if (oOBJECT != undefined || oEMBED != undefined) {
                if (isIE) LODOP = oOBJECT;
                else LODOP = oEMBED;
            } else if (CreatedOKLodop7766 == null) {
                LODOP = document.createElement("object");
                LODOP.setAttribute("width", 0);
                LODOP.setAttribute("height", 0);
                LODOP.setAttribute("style", "position:absolute;left:0px;top:-100px;0px;height:0px;");
                if (isIE) LODOP.setAttribute("classid", "clsid:2105C259-1E0C-4534-8141-A753534CB4CA");
                else LODOP.setAttribute("type", "application/x-print-lodop");
                document.documentElement.appendChild(LODOP);
                CreatedOKLodop7766 = LODOP;
            } else LODOP = CreatedOKLodop7766;
            //=====Lodop插件未安装时提示下载地址:==========
            if ((LODOP == null) || (typeof (LODOP.VERSION) == "undefined")) {
                if (navigator.userAgent.indexOf('Chrome') >= 0)
                    document.documentElement.innerHTML = strHtmChrome + document.documentElement.innerHTML;
                if (navigator.userAgent.indexOf('Firefox') >= 0)
                    document.documentElement.innerHTML = strHtmFireFox + document.documentElement.innerHTML;
                if (is64IE) document.write(strHtm64_Install);
                else if (isIE) document.write(strHtmInstall);
                else
                    document.documentElement.innerHTML = strHtmInstall + document.documentElement.innerHTML;
                return LODOP;
            }
            ;
        }
        ;
        if (LODOP.VERSION < "6.0") {
            if (!needCLodop()) {
                if (is64IE) document.write(strHtm64_Update);
                else if (isIE) document.write(strHtmUpdate);
                else
                    document.documentElement.innerHTML = strHtmUpdate + document.documentElement.innerHTML;
            }
            ;
            return LODOP;
        }
        ;
        //===如下空白位置适合调用统一功能(如注册语句、语言选择等):===
        //LODOP.SET_LICENSES("北京XXXXX公司","8xxxxxxxxxxxxx5","","");

        //===========================================================
        return LODOP;
    } catch (err) {
        alert("getLodop出错:" + err);
    }
    ;
};

5.编写打印（路径根据自己的项目来）

6.打印效果