LodopFuncs.js

var CreatedOKLodop7766 = null;
var LODOP;
//====获取工程路径:====
//isPath True表示获取的是路径（如：http://localhost:8080/ips/）,false则返回上下文路径（如：/ips/），默认为false
function getContextOrPath(isPath) {
  var isPath = isPath || false;
  var href = window.location.pathname;
  var path = window.location.protocol + '//' + window.location.host;
  var index = 0, j = 0;
  for (var i = 0; i < href.length; i++) {
    if (href.charAt(i) == '/') {
      index = i;
      j++;
      if (j == 2) {
        break;
      }
    }
  }
  var context = href.substr(0, index + 1);
  if (isPath)
    return context;
  else
    return path + context;
}

//====判断是否需要安装CLodop云打印服务器:====
function needCLodop() {
  return true;
};

//====页面引用CLodop云打印必须的JS文件：====暂不启用该方式
if (needCLodop()) {
  var head = document.head || document.getElementsByTagName('head')[0] || document.documentElement;
  var 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(dir, oOBJECT, oEMBED) {
  var basePath = '';
  if (typeof (basePath) == 'undefined') {
    basePath = getContextOrPath(false);
  }
  var path = window.location.origin + '/zyd/';
  if(window.location.origin.indexOf('localhost') > -1){
    path = window.location.origin + '/';
  }
  console.log(path);
  var strHtmInstall = '<br><font color=\'#FF00FF\'>打印控件未安装!点击这里<a href=\'' + path + 'CLodop_32_Print.zip\' 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=\'' + path + 'CLodop_32_Print.zip\' 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=\'' + path + 'CLodop_32_Print.zip\' 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=\'' + path + 'CLodop_32_Print.zip\' 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=\'' + path + 'CLodop_32_Print.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=\'' + path + 'CLodop_32_Print.zip\' 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！"+(!LODOP)); return;
      }
      ;
      if (!LODOP) {
        if (isIE) document.write(strCLodopInstall); else
          document.documentElement.innerHTML = strCLodopInstall;
        return;
      } else {

        if (CLODOP.CVERSION < '3.0.0.2') {
          if (isIE) document.write(strCLodopUpdate); else
            document.documentElement.innerHTML = strCLodopUpdate;
        }
        ;
        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;width: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 < '6.2.1.8') {
      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_SHOW_MODE('LANGUAGE', 0);
    LODOP.SET_LICENSES('成都市知用科技有限公司', '649677881727389907689190562356', '', '');
    console.log('licenses注入语句已执行');
    //===========================================================
    return LODOP;
  } catch (err) {
    alert('getLodop出错:' + err);
  }
  ;
};
/*
加载script标签
urlArr：加载路径的队列
callback：回调函数
*/
var loadScript = function(urlArr, callback) {
  if (urlArr && Object.prototype.toString.call(urlArr) === '[object Array]') {
    var src = urlArr.pop();
    var head = document.head || document.getElementsByTagName('head')[0] || document.documentElement;
    var script = document.createElement('script');
    script.type = 'text/javascript';
    script.src = src;
    script.reload = 1;
    //借鉴了jQuery的script跨域方法
    script.onload = script.onreadystatechange = function() {
      console.log('打印插件加载成功');
      if ((!this.readyState || this.readyState === 'loaded' || this.readyState === 'complete')) {
        script.onload = script.onreadystatechange = null;
        if (urlArr.length > 0) {
          loadScript(urlArr, callback);
        } else {
          if (typeof callback == 'function') {
            callback && callback();
          }
        }
      }
    };
    script.onerror = function() {
      callback && callback();
    };
    head.insertBefore(script, head.firstChild);
  }
};

var urlArr = [];
if (window.location.protocol === 'http:') {
  urlArr[0] = `http://localhost:18000/CLodopFuncs.js?priority=0`;
} else {
  urlArr[0] = `https://localhost:8443/CLodopFuncs.js?priority=0`;
}
loadScript(urlArr, function() {
  LODOP = getLodop();
});