[原创]Lodop打印, 以及Lodop引用css文件控制打印样式的问题.
内容导读
互联网集市收集整理的这篇技术教程文章主要介绍了[原创]Lodop打印, 以及Lodop引用css文件控制打印样式的问题.，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含22363字，纯文字阅读大概需要32分钟。
内容图文
最近在做Lodop打印功能:
思路是: 用MasterPage搭个打印页面的框架, 然后在具体的页面中填入数据, 打印的样式由母版页和CSS来控制.
困扰了一天的问题是: 在打印的JS文件中, 引用外部css文件时, 需要拼出实际的含有IP地址的CSS文件地址, 并且需要用双斜杠(//)来代替单斜杠.
代码如下:
//母版页, 注意: url的拼接形式
<input id="hidCssRef" name="hidCssRef" type="hidden" value =‘<link href="http://<%= this.Request.Url.Authority %>//App_Themes//<%=Application["Theme"].ToString()%>//Css//PrintStyleSheet.css" rel="stylesheet" type="text/css" />‘ />
//PrintHelper.Master
<%
@ Master Language
=
"
C#
"
AutoEventWireup
=
"
true
"
CodeBehind
=
"
PrintHelper.master.cs
"
Inherits
=
"
JN.UI.Commons.PrintHelper.PrintHelper1
"
%>
<!
DOCTYPE html
>
<
html
xmlns
="http://www.w3.org/1999/xhtml"
>
<
head
runat
="server"
>
<
title
></
title
>
<
link
href
="/App_Themes/<%= Application["
Theme"].ToString() %
>
/Css/PrintStyleSheet.css" rel="stylesheet" type="text/css" />
<
script
src
="/Scripts/jquery-1.4.1.js"
type
="text/javascript"
></
script
>
<
script
src
="/Scripts/jquery.json.js"
type
="text/javascript"
></
script
>
<
script
src
="/Scripts/jquery.commons.js"
type
="text/javascript"
></
script
>
<
asp:ContentPlaceHolder
ID
="headPlaceHolder"
runat
="server"
>
</
asp:ContentPlaceHolder
>
<
style
>
@media print
{
.noprint
{
display
:
none
;
}
.printOnly
{
display
:
block
;
}
}
</
style
>
</
head
>
<
body
>
<
form
id
="form1"
runat
="server"
>
<
div
class
="page"
>
<!--
<input type="button" value="打印" onclick=‘<%= "printPreview(\‘"+ this.ContentPlaceHolder1.ClientID +"\‘);"%>‘ />
-->
<
input
type
="button"
value
="打印"
onclick
=‘<%=
"printPreview(\"printContent\");" %
>
‘ />
<
input
id
="hidCssRef"
name
="hidCssRef"
type
="hidden"
value
=‘<link
href
="http://<%= this.Request.Url.Authority %>//App_Themes//<%=Application["
Theme"].ToString()%
>
//Css//PrintStyleSheet.css" rel="stylesheet" type="text/css" />‘ />
<!--
PrintStart
-->
<
div
id
="printContent"
>
<
asp:ContentPlaceHolder
ID
="ContentPlaceHolder1"
runat
="server"
>
</
asp:ContentPlaceHolder
>
</
div
>
<!--
PrintEnd
-->
</
div
>
</
form
>
</
body
>
</
html
>
//PrintHelper.Master.cs
using
System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Web;
using
System.Web.UI;
using
System.Web.UI.HtmlControls;
using
System.Web.UI.WebControls;
namespace
JN.UI.Commons.PrintHelper
{
public
partial
class
PrintHelper1 : System.Web.UI.MasterPage
{
#region 全局变量
privatestring _printType = HttpContext.Current.Request.QueryString.AllKeys.Contains("pType") ? HttpContext.Current.Request.QueryString["pType"] : string.Empty;
#endregion#region 控件事件
protectedvoid Page_Init(object sender, EventArgs e)
{
//加载lodop的object
HtmlGenericControl objControl = null;
//string jsPathPatt = "~/Commons/PrintHelper/Resources/Scripts/{0}.js";string jsPathPatt = "/Commons/PrintHelper/Resources/Scripts/{0}.js";
string jsPath = string.Empty;
switch (_printType)
{
case"winPter":
gotodefault;
case"webPter":
//jsPath = this.Page.ResolveUrl(string.Format(jsPathPatt, "WebrowserPrinter"));
jsPath = string.Format(jsPathPatt, "WebrowserPrinter");
break;
case"lodPter":
//加载lodop的原始JS文件string jsSrcPath = string.Format("/App_Libs/Lodop/6.203/{0}.js", "LodopFuncs");
HtmlGenericControl JsSrcControl = new HtmlGenericControl("script");
JsSrcControl.Attributes.Add("type", "text/javascript");
JsSrcControl.Attributes.Add("src", jsSrcPath);
this.headPlaceHolder.Controls.Add(JsSrcControl);
//lodop打印功能的JS
jsPath = string.Format(jsPathPatt, "LodopPrinter");
//lodp的object
objControl = new HtmlGenericControl("object");
objControl.Attributes.Add("id", "LODOP_OB");
objControl.Attributes.Add("classid", "clsid:2105C259-1E0C-4534-8141-A753534CB4CA");
objControl.Attributes.Add("id", "LODOP_OB");
objControl.Attributes.Add("width", "0");
objControl.Attributes.Add("height", "0");
//加载FF支持
HtmlGenericControl ffLodopSup = new HtmlGenericControl("embed");
ffLodopSup.Attributes.Add("id", "LODOP_EM");
ffLodopSup.Attributes.Add("type", "application/x-print-lodop");
ffLodopSup.Attributes.Add("width", "0");
ffLodopSup.Attributes.Add("height", "0");
objControl.Controls.Add(ffLodopSup);
break;
default:
jsPath = string.Format(jsPathPatt, "WindowPrinter");
break;
}
//加载JS
HtmlGenericControl JsControl = new HtmlGenericControl("script");
JsControl.Attributes.Add("type", "text/javascript");
JsControl.Attributes.Add("src",jsPath);
this.headPlaceHolder.Controls.Add(JsControl);
if(objControl != null)
this.headPlaceHolder.Controls.Add(objControl);
}
protectedvoid Page_Load(object sender, EventArgs e)
{
}
#endregion#region 初始化及绑定方法
#endregion
}
}
//具体的打印页面
//GodownEntryPrint.aspx
<%
@ Page Title
=
""
Language
=
"
C#
"
MasterPageFile
=
"
~/Commons/PrintHelper/PrintHelper.Master
"
AutoEventWireup
=
"
true
"
CodeBehind
=
"
GodownEntryPrint.aspx.cs
"
Inherits
=
"
JN.UI.InventoryAdmin.GodownEntryPrint
"
%>
<%
@ Register src
=
"
UserControls/UC_PrintTop.ascx
"
tagname
=
"
UC_PrintTop
"
tagprefix
=
"
uc1
"
%>
<%
@ Register src
=
"
UserControls/UC_GodownEntryPrint.ascx
"
tagname
=
"
UC_GodownEntryPrint
"
tagprefix
=
"
uc2
"
%>
<
asp:Content
ID
="Content1"
ContentPlaceHolderID
="headPlaceHolder"
runat
="server"
>
</
asp:Content
>
<
asp:Content
ID
="Content2"
ContentPlaceHolderID
="ContentPlaceHolder1"
runat
="server"
>
<
uc1:UC_PrintTop
ID
="UC_PrintTop1"
runat
="server"
/>
<
uc2:UC_GodownEntryPrint
ID
="UC_GodownEntryPrint1"
runat
="server"
/>
</
asp:Content
>
//GodownEntryPrint.aspx.cs
using
System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Web;
using
System.Web.UI;
using
System.Web.UI.WebControls;
namespace
JN.UI.InventoryAdmin
{
public
partial
class
GodownEntryPrint : System.Web.UI.Page
{
protected
void Page_Init(object sender, EventArgs e)
{
this.UC_PrintTop1.PrintTitle = "物资入库单";
}
protectedvoid Page_Load(object sender, EventArgs e)
{
}
}
}
//具体的实现代码放在用户控件中
//GodownEntryPrint.ascx
<%
@ Control Language
=
"
C#
"
AutoEventWireup
=
"
true
"
CodeBehind
=
"
UC_GodownEntryPrint.ascx.cs
"
Inherits
=
"
JN.UI.InventoryAdmin.UserControls.UC_GodownEntryPrint
"
%>
<
div
class
="prnTable"
>
<
div
class
="baseInfo"
>
<
table
>
<
tr
>
<
td
class
="baseTitle"
><
span
>单据编号：</span></td><td class="baseContent"><span><asp:Label ID="lblGENum" runat="server" Text=""></asp:Label></span></td><td class="baseTitle"><span>发票号：</span></td><td class="baseContent"><span><asp:Label ID="lblInvoNum" runat="server" Text=""></asp:Label></span></td><td class="baseTitle"><span>发票金额：</span></td><td class="baseContent"><span><asp:Label ID="lblInvoSum" runat="server" Text=""></asp:Label></span></td></tr><tr><td class="baseTitle"><span>供应商：</span></td><td class="baseContent"><span><asp:Label ID="lblSuppName" runat="server" Text=""></asp:Label></span></td><td class="baseTitle"><span>入库日期：</span></td><td class="baseContent"><span><asp:Label ID="lblCreateTime" runat="server" Text=""></asp:Label></span></td><td class="baseTitle"><span>库存状态：</span></td><td class="baseContent"><span><asp:Label ID="lblInveStatus" runat="server" Text=""></asp:Label></span></td></tr></table></div><div class="detailInfo"><asp:Repeater ID="rptGEPrn" runat="server"><HeaderTemplate><table><thead><tr><td class="detailTitle"><span>物资编码</span></td><td class="detailTitle"><span>物资名称</span></td><td class="detailTitle"><span>规格型号</span></td><td class="detailTitle"><span>单位</span></td><td class="detailTitle"><span>账务类型</span></td><td class="detailTitle"><span>入库数量</span></td><td class="detailTitle"><span>入库单价</span></td><td class="detailTitle"><span>入库金额</span></td></tr></thead><tbody></HeaderTemplate><ItemTemplate><tr><td class="detailContent"><span><%# Eval("T_MaterialInfo.MaterialNO") %></span></td><td class="detailContent"><span><%# Eval("T_MaterialInfo.MaterialName") %></span></td><td class="detailContent"><span><%# Eval("T_MaterialInfo.MaterialSpec") %></span></td><td class="detailContent"><span><%# Eval("T_Unit.UnitName") %></span></td><td class="detailContent"><span><%# Eval("T_WareHouse.WHName") %></span></td><td class="detailContent"><span><%# Eval("T_ZGEdownEntry.ZGEAmount") %></span></td><td class="detailContent"><span><%# Eval("T_ZGEdownEntry.ZGEPrice") %></span></td><td class="detailContent"><span><asp:Label ID="lblSumPrice" runat="server" Text=‘<%# Eval("T_ZGEdownEntry.ZGESumPrice") %>‘></asp:Label></span></td></tr></ItemTemplate><FooterTemplate></tbody><tfoot><tr><td colspan="6"></td><td class="detailTitle"><span>总合计：</span></td><td class="detailContent"><span><asp:Label ID="lblTotalSum" runat="server" Text=""></asp:Label></span></td></tr></tfoot></table></FooterTemplate></asp:Repeater></div><div class="footInfo"><table><tr><td class="footTitle"><span>部门主管：</span></td><td class="footContent"><span><asp:Label ID="lblDepPrin" runat="server" Text=""></asp:Label></span></td><td class="footTitle"><span>制单：</span></td><td class="footContent"><span><asp:Label ID="lblDocOpter" runat="server" Text=""></asp:Label></span></td><td class="footTitle"><span>入库记账：</span></td><td class="footContent"><span><asp:Label ID="lblAccoClk" runat="server" Text=""></asp:Label></span></td></tr></table></div></div>
//GodownEntryPrint.ascx.cs
using
System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Web;
using
System.Web.UI;
using
System.Web.UI.WebControls;
using
JN.BLL;
using
JN.Model.Entity;
using
JN.GTL;
using
JN.Model.Enums;
using
JN.BLL.Models;
namespace
JN.UI.InventoryAdmin.UserControls
{
public
partial
class
UC_GodownEntryPrint : System.Web.UI.UserControl
{
#region 全局变量
private BLLServices _baoSrv;
privateint _geNo = HttpContext.Current.Request.QueryString.AllKeys.Contains("geno") ? int.Parse(HttpContext.Current.Request.QueryString["geno"]) : -1;
#endregion#region 控件事件
protectedvoid Page_Load(object sender, EventArgs e)
{
if (!this.IsPostBack)
{
InitData();
//BindData(); }
}
#endregion#region 绑定及初始化方法
privatevoid InitData()
{
if (this._geNo <= 0)
thrownew ArgumentException("无效的入库单编号!", "_geNo");
this._baoSrv = new BLLServices();
//读取入库单信息
E_GodownEntry geInfo = this._baoSrv.GodownEntryBAO.GetGodownEntry(this._geNo);
if(geInfo != null)
{
//处理入库单表头this.lblGENum.Text = geInfo.T_GodownEntry.GENumber;
this.lblInvoNum.Text = geInfo.T_Invoice.InvoicenNumber;
this.lblInvoSum.Text = geInfo.T_Invoice.InvoiceAmount.ToString();
this.lblSuppName.Text = geInfo.T_Supplier.SupplierName;
this.lblCreateTime.Text = GTLServices.DateTimeHelper.FormatDataStr(geInfo.T_GodownEntry.GECreateTime);
//this.lblInveStatus.Text = Enum.GetName(typeof(GodownEntryStatus),geInfo.T_GodownEntry.GEStatus);this.lblInveStatus.Text = getEnumStatus((GodownEntryStatus)Enum.Parse(typeof(GodownEntryStatus),geInfo.T_GodownEntry.GEStatus.ToString()));
//处理入库单表尾this.lblDocOpter.Text = (this.Session["userInfo"] as SessionUser).User.T_User.UserName;
this.lblAccoClk.Text = geInfo.T_User.UserName;
//处理入库单详情
List<E_ZGEGodownEntry> detailLst = this._baoSrv.GodownEntryBAO.GetZGodownEntryList(geInfo.T_GodownEntry,null);
this.rptGEPrn.DataSource = detailLst.Where(zg => zg.T_ZGEdownEntry.ZGENo == geInfo.T_GodownEntry.GENo).ToList();
this.rptGEPrn.DataBind();
//处理合计double total = 0.0;
foreach(RepeaterItem ri inthis.rptGEPrn.Controls)
{
if(ri.ItemType == ListItemType.AlternatingItem || ri.ItemType == ListItemType.Item)
{
total += double.Parse((ri.FindControl("lblSumPrice") as Label).Text.Trim());
}
elseif (ri.ItemType == ListItemType.Footer)
{
(ri.FindControl("lblTotalSum") as Label).Text = total.ToString("F2");
}
}
}
}
#endregion#region 私有方法
privatestring getEnumStatus(GodownEntryStatus status)
{
string result = string.Empty;
switch (status)
{
case GodownEntryStatus.Normal:
result = "正常";
break;
case GodownEntryStatus.Delete:
result = "删除";
break;
case GodownEntryStatus.CancellingStocks:
result = "退库";
break;
default:
result = string.Empty;
break;
}
return result;
}
#endregion
}
}
//公共的表头
//PrintTop.asxs
<%
@ Control Language
=
"
C#
"
AutoEventWireup
=
"
true
"
CodeBehind
=
"
UC_PrintTop.ascx.cs
"
Inherits
=
"
JN.UI.InventoryAdmin.UserControls.UC_PrintTop
"
%>
<
div
class
="prnTitle"
>
<
div
>
<
h1
>ZXXXX公司</h1></div><div><h3><%= PrintTitle %></h3></div></div>
//PrintTop.ascx.cs
using
System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Web;
using
System.Web.UI;
using
System.Web.UI.WebControls;
namespace
JN.UI.InventoryAdmin.UserControls
{
public
partial
class
UC_PrintTop : System.Web.UI.UserControl
{
#region 全局变量
privateconststring VIEWTITLE = "_subTitle";
#endregion#region 控件事件
protectedvoid Page_Init(object sender, EventArgs e)
{
if (ViewState[VIEWTITLE] != null)
this.PrintTitle = ViewState[VIEWTITLE].ToString();
}
protectedvoid Page_Load(object sender, EventArgs e)
{
}
#endregion#region 属性
///<summary>/// 打印文件头副标题
///</summary>publicstring PrintTitle
{
get
{
if (ViewState[VIEWTITLE] != null)
return ViewState[VIEWTITLE].ToString();
elsereturnnull;
}
set
{
if (value != null && value.Length > 0)
{
ViewState[VIEWTITLE] = value;
}
else
ViewState[VIEWTITLE] = null;
}
}
#endregion
}
}
//print.js
//
以下是自己封装的JS打印、预览方法
//
var LODOP = getLodop(document.getElementById(‘LODOP_OB‘), document.getElementById(‘LODOP_EM‘));
//
var LODOP = getLodop();
var LODOP; //声明为全局变量//打印预览function printPreview(prnContentId) {
LODOP.PRINT_INIT("Lodop功能_预览");
getPrintContent(prnContentId);
LODOP.PREVIEW();
}
//打印function print(prnContentId) {
LODOP.PRINT_INIT("Lodop功能_打印");
getPrintContent(prnContentId);
LODOP.PRINT();
}
//获取打印内容function getPrintContent(prnContentId) {
LODOP = getLodop(document.getElementById(‘LODOP_OB‘), document.getElementById(‘LODOP_EM‘));
//var cssRef = decodeURIComponent(document.getElementById(‘hidCssRef‘).value).replace(new RegExp(/\+/g)," ");var cssRef = document.getElementById(‘hidCssRef‘).value;
//LODOP = getLodop();//初始化打印任务名//LODOP.PRINT_INIT("Lodop打印控件_打印表单");//打印预览设置var intDispMode = 2; //预览比例: 0-适高, 1-正常大小, 2-适宽;var intToolMode = 0; //工具条和按钮: 0-显示上方工具栏, 1-显示下方按钮兰, 3-两个都显示, 4-两个都不显示.var blDirectPrint = 0; //打印按钮是否"直接打印": 1-是, 0-否(选取打印机)var intWidth = 1024; //窗口的宽(单位:px)var intHeight = 680; //窗口的高(单位:px)var strTitleButtonCaption = ‘‘; //预览窗口和打印按钮的名称组合, 字符型, 用"点"分隔 LODOP.SET_PREVIEW_WINDOW(intDispMode, intToolMode, blDirectPrint, intWidth, intHeight, strTitleButtonCaption);
//设置打印纸张大小.var intOrient = 2; //设置打印方向: 1-纵向(固定纸张), 2-横向(固定纸张), 3-纵向(宽度固定, 高度自适应), 0-方向不定(操作者自行设置). var intPageWidth = 0; //纸张宽度(单位0.1mm), 如:45表示4.5mmvar intPageHeight = 0; //纸张高度(单位0.1mm): 固定纸张时,表示纸张高; 自适应高度时, 表示纸张底边的空白高. 1480var strPageName = ‘A5‘; //纸张类型: intPageWidth为0时才有效. 可使用"CreateCustomPage"在系统内建立名为"LKodopCustomPage"的自定义纸张类型. LODOP.SET_PRINT_PAGESIZE(intOrient, intPageWidth, intPageHeight, strPageName);
//设置打印风格//LODOP.SET_PRINT_STYLE("FontSize", 11);//这里设置打印内容(Top,Left,Width,Height)
LODOP.ADD_PRINT_HTM("5%", "5%", "100%", "100%", cssRef + ‘<body>‘ + document.getElementById(prnContentId).innerHTML + ‘</body>‘);
}
//项目添加了Lodop饮用后, 把自身的JS文件的修改下, 添加上未安装控件时引用自身目录下的控件文件
//LodopFuncs.js
var CreatedOKLodop7766=null;
//====判断是否需要安装CLodop云打印服务器:====function needCLodop(){
try{
var ua=navigator.userAgent;
if (ua.match(/Windows\sPhone/i) !=null) returntrue;
if (ua.match(/iPhone|iPod/i) != null) returntrue;
if (ua.match(/Android/i) != null) returntrue;
if (ua.match(/Edge\D?\d+/i) != null) returntrue;
if (ua.match(/QQBrowser/i) != null) returnfalse;
var verTrident=ua.match(/Trident\D?\d+/i);
var verIE=ua.match(/MSIE\D?\d+/i);
var verOPR=ua.match(/OPR\D?\d+/i);
var verFF=ua.match(/Firefox\D?\d+/i);
var x64=ua.match(/x64/i);
if ((verTrident==null)&&(verIE==null)&&(x64!==null))
returntrue; elseif ( verFF !== null) {
verFF = verFF[0].match(/\d+/);
if ( verFF[0] >= 42 ) returntrue;
} elseif ( verOPR !== null) {
verOPR = verOPR[0].match(/\d+/);
if ( verOPR[0] >= 32 ) returntrue;
} elseif ((verTrident==null)&&(verIE==null)) {
var verChrome=ua.match(/Chrome\D?\d+/i);
if ( verChrome !== null ) {
verChrome = verChrome[0].match(/\d+/);
if (verChrome[0]>=42) returntrue;
};
};
returnfalse;
} catch(err) {returntrue;};
};
//====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;
//让其它电脑的浏览器通过本机打印（适用例子）：var oscript = document.createElement("script");
oscript.src ="/CLodopfuncs.js";
head.insertBefore( oscript,head.firstChild );
//让本机浏览器打印(更优先)：
oscript = document.createElement("script");
oscript.src ="http://localhost:8000/CLodopfuncs.js?priority=1";
head.insertBefore( oscript,head.firstChild );
//本机浏览器的后补端口8001：
oscript = document.createElement("script");
oscript.src ="http://localhost:8001/CLodopfuncs.js?priority=2";
head.insertBefore( oscript,head.firstChild );
};
//====获取LODOP对象的主过程：====function getLodop(oOBJECT,oEMBED){
var strHtmInstall="<br><font color=‘#FF00FF‘>打印控件未安装!点击这里<a href=‘/App_Libs/Lodop/6.203/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=‘/App_Libs/Lodop/6.203/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=‘/App_Libs/Lodop/6.203/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=‘/App_Libs/Lodop/6.203/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=‘/App_Libs/Lodop/6.203/CLodopPrint_Setup_for_Win32NT.exe‘ 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=‘/App_Libs/Lodop/6.203/CLodopPrint_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<"2.0.4.7") {
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;
} elseif (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); elseif (isIE) document.write(strHtmInstall); else
document.documentElement.innerHTML=strHtmInstall+document.documentElement.innerHTML;
return LODOP;
};
};
if (LODOP.VERSION<"6.2.0.3") {
if (needCLodop())
document.documentElement.innerHTML=strCLodopUpdate+document.documentElement.innerHTML; elseif (is64IE) document.write(strHtm64_Update); elseif (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):===//===========================================================return LODOP;
} catch(err) {alert("getLodop出错:"+err);};
};
原文：http://www.cnblogs.com/cs_net/p/5435943.html
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