介绍一种Web上打印技术

一、    介绍ScriptX控件
对于B/S架构的项目中,Web打印最是让程序员头痛的技术,在这次项目中运用了第三方控件ScriptX解决了此技术包括各种汇总表,详细清单等等,但最大弊端就是打印的格式是死的,你要打印出怎样的格式必须自己来做,还有就是打印分页,它是按你设置的纸张大小来分的,所以必须人为控制,ScriptX控件所需文件ScriptX.cab。(ScriptX下载地址http://www.meadroid.com/scriptx/freedep.asp
打印功能使用:
⑴ 用户在客户端单击“打印”按钮,第一次使用打印会弹出如下对话框
⑵ 单击“是”按钮,此时会把控件ScriptX下载到本机
⑶ 在打印窗口中有大标题、打印条件、打印列表,单击“打印”按钮进入打印浏览界面。
⑷ 单击“Print”按钮,听打印机声音响起。
二、    一个简单的ScriptX控件使用实例
1.界面文件  WebExample.aspx  (其中kg.css是界面样式在这里就不介绍了)
<%@ Page language="c#" Codebehind="WebExample.aspx.cs" AutoEventWireup="false" Inherits="WebPrint.WebExample" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
       <HEAD>
              <title>一个简单的ScriptX打印</title>
              <meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
              <meta name="CODE_LANGUAGE" Content="C#">
              <meta name="vs_defaultClientScript" content="JavaScript">
              <meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
              <LINK href="kg.css" type="text/css" rel="stylesheet">
       </HEAD>
       <body MS_POSITIONING="GridLayout">
              <form id="WebExample" method="post" runat="server">
                     <TABLE width="100%" height="100%">
                            <tr>
                                   <td height="100">
                                   </td>
                            </tr>
                            <tr>
                                   <td style="HEIGHT: 14px" align="center">
                                          <div id="divTableResult" name="divTableResult">
                                                 <asp:Label id="Label1" runat="server" Width="232px" Height="32px" Font-Size="Large">欢迎使用ScriptX打印</asp:Label>
                                          </div>
                                   </td>
                            </tr>
                            <tr>
                                   <td align="center" valign="top">
                                          <div id="divChartResult" name="divChartResult">
                                                 <asp:Image id="Image1" runat="server" ImageUrl="win2000.gif"></asp:Image>
                                          </div>
                                   </td>
                            </tr>
                            <tr>
                                   <td align="center" valign="top">
                                          <input id="btnPrint" style="WIDTH: 32px; HEIGHT: 19px" onclick="printResult();" type="button"
                                                 size="1" value="打印" name="btnPrint">
                                   </td>
                            </tr>
                     </TABLE>
              </form>
              <script language="javascript">
              function printResult()
              {
                     //针对不同模块,设置打印参数
                     var title = 'ScriptX打印';//报表名称
                     var orien = 'true';//打印页面方向,true:纵向打印/false横向打印
                     //参数设置结束
                     var strURL;
                     title = escape(title);
                     //condition = escape(condition);
                     strURL = 'printContainer2.aspx?title='+title+'&orien='+orien;
                     window.open(strURL,'printResult','height=600, width=800, top=0, left=50,toolbar=no , menubar=no, scrollbars=yes, resizable=no, location=no, status=no');
              }
              </script>
       </body>
</HTML>
说明:
⑴ <div id="divTableResult" name="divTableResult">和<div id="divChartResult" name="divChartResult"> 是在printContainer2.aspx文件中定义的传值标签,因此必须要有。
⑵ printResult()方法用来声明传值内容,具体在方法中已说明
 
2.打印界面   printContainer2.aspx (其中print.css是打印样式就不介绍了)
<%@ Page language="c#" Codebehind="printContainer2.aspx.cs" AutoEventWireup="false" Inherits="WebPrint.printContainer2" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<%
string title = "查询打印";
‘用于title获取标题
if(Request.QueryString["title"].ToString().Trim()!=""){
       title = Request.QueryString["title"].ToString().Trim();
}
‘用于orientation获取打印页面方向,true:纵向打印/false横向打印
string orientation = "true";
if(Request.QueryString["orien"].ToString().Trim()!=""){
       orientation =  Request.QueryString["orien"].ToString().Trim();
}
%>
 
<html>
       <head>
              <title>ScriptX 打印</title>
              <meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
              <meta name="CODE_LANGUAGE" Content="C#">
              <meta name="vs_defaultClientScript" content="JavaScript">
              <meta http-equiv="content-type" content="text/html; charset=gb2312">
              <meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
              <link href="kg.css" rel="stylesheet" type="text/css">
              <link href="print.css" rel="stylesheet" type="text/css"  media="print" >
<script  FOR=document event="onclick">
if(event.srcElement.tagName=='A'){
              //alert('a click!');
              event.cancelBubble = true;
}
 
</script>
             
<style type="text/css">
a:link {text-decoration:none}
a:visited {text-decoration:none}
a:active {text-decoration:none}
a:hover {text-decoration:none}
 
A { COLOR: #000000;TEXT-DECORATION: none; FONT-SIZE: 8pt;FONT-FAMILY: "";}
 
</style>
       </head>
      
       <body MS_POSITIONING="GridLayout" >
<!--这里调用控件ScriptX.cab-->
<object id="factory" viewastext  style="display:none"
  classid="clsid:1663ed61-23eb-11d2-b92f-008048fdd814"
  codebase="ScriptX.cab#Version=6,1,431,2">
</object>
<SCRIPT defer>
//用于设置打印参数
function printBase() {
factory.printing.footer = "&b ScriptX 打印 &b"       //页眉
factory.printing.footer = ""                                 //页脚
factory.printing.portrait = <%=orientation%>             //true为纵向打印,flase为横向打印
factory.printing.leftMargin = 1.5                               //左页边距
factory.printing.topMargin = 0.5                               //上页边距
factory.printing.rightMargin = 0.5                             //右页边距
factory.printing.bottomMargin = 1.0                          //下页边距
}
</SCRIPT>
<table width="100%" border="0" cellspacing="0" cellpadding="0" align="center" bordercolor="#FFFFFF">
  <tr bordercolor="#FFFFFF">
    <td >
       <table width="70%" border="0" cellspacing="0" cellpadding="2" align="center">
         <tr>
           <td align="center"><font size="5" face="宋体"><b><div  name="divTitle" id="divTitle"></div></b></font></td>
         </tr>
         <tr>
           <td align="center">
             <div id="divReport" name="divReport">
             <input type="button" name="cmdPRINT" id="cmdPRINT" onclick="printReport()" value="打印">
             &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
             <input type="button" onclick="window.close();"  value="关闭">
             </div>
           </td>
         </tr>
       </table>
   </td>
  </tr>
</table>
<table width="100%" border="0" cellspacing="0" cellpadding="2" align="center">
         <tr><td align="center">
<!--  用于显示divTableContainer标签的值 -->
<div id="divTableContainer"  name="divTableContainer"></div>
              </td></tr>
               <tr><td align="center">
<!--  用于显示divChartContainer标签的值 -->
<div id="divChartContainer"  name="divChartContainer"></div>
              </td></tr>
</table>
</body>
<script language="javascript">
//使界面最大化
maxWin();
 
var needcon='';
document.all.divTitle.innerText = unescape('<%=title%>');
 
//用于把父窗体的divTableResult和divChartResult标签的值分别转入divTableContainer 和divChartContainer标签中
var tableContent = window.opener.document.all.divTableResult.innerHTML;
tableContent = replaceAll(tableContent,"<A ","<span ");
tableContent = replaceAll(tableContent,"</A> ","</span> ");
tableContent = replaceAll(tableContent,"<a ","<span ");
tableContent = replaceAll(tableContent,"</a> ","</span> ");
tableContent = replaceAll(tableContent,"<input ","<font ");
tableContent = replaceAll(tableContent,"<INPUT ","<font ");
document.all.divTableContainer.innerHTML = tableContent;
document.all.divChartContainer.innerHTML = window.opener.document.all.divChartResult.innerHTML;
 
//用于调用设置打印参数的方法和显示预览界面
function printReport(){
       printBase();
       //window.print();
       factory.printing.Preview();
}
function replaceAll( str, from, to ) {
    var idx = str.indexOf( from );
    while ( idx > -1 ) {
        str = str.replace( from, to );
        idx = str.indexOf( from );
    }
    return str;
}
function maxWin()
{
     var aw = screen.availWidth;
     var ah = screen.availHeight;
     window.moveTo(0, 0);
     window.resizeTo(aw, ah);
}
</script>
</html>
 
三、    参考文件
源代码

posted on 2005-06-17 13:36  surprise  阅读(17778)  评论(60编辑  收藏

导航