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
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<SCRIPT>
var hkey_root,hkey_path,hkey_key
hkey_root="HKEY_CURRENT_USER"
hkey_path="\\Software\\Microsoft\\Internet Explorer\\PageSetup\\"
//设置网页打印的页眉页脚为空
function pagesetup_null()
{
try{
var RegWsh = new ActiveXObject("WScript.Shell")
hkey_key="header"
RegWsh.RegWrite(hkey_root+hkey_path+hkey_key,"")
hkey_key="footer"
RegWsh.RegWrite(hkey_root+hkey_path+hkey_key,"")
}catch(e){}
}
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//用于设置打印参数
function printBase() {
factory.printing.header = "" //页眉
factory.printing.footer = "" //页脚
factory.printing.portrait = true //true为纵向打印,false为横向打印
factory.printing.leftMargin = 0.5
factory.printing.topMargin = 1.5
factory.printing.rightMargin = 0.5
factory.printing.bottomMargin = 1.5
}
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//用于调用设置打印参数的方法和显示预览界面
function printReport(){
printBase();
pagesetup_null();
document.all("button").style.display = "none";//隐藏按钮
factory.printing.Preview();
}
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//使界面最大化
maxWin();
function maxWin()
{
var aw = screen.availWidth;
var ah = screen.availHeight;
window.moveTo(0, 0);
window.resizeTo(aw, ah);
}
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function printTure()
{
printBase();
document.all("button").style.display = "none";//隐藏按钮
//factory.printing.Preview();
factory.printing.Print(false);
document.all("button").style.display = "block";//显示按钮
}
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</SCRIPT>
</HEAD>
<BODY>
<OBJECT id="factory" codeBase="ScriptX.cab#Version=6,3,434,26"
height="0" width="0" classid="clsid:1663ed61-23eb-11d2-b92f-008048fdd814" viewastext>
</OBJECT>
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<div id="button" style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; WIDTH: 98%; PADDING-TOP: 0px">
<table height="15" cellSpacing="1" cellPadding="4" width="100%" bgColor="#ddf3ff" border="0">
<tr>
<td align="center" bgColor="#ddf3ff">
<input class="bginput" onclick="printTure()" type="button" value="打印">
<input id="idPrint2" type="button" value="页面设置" onclick="factory.printing.PageSetup()">
<input id="idPrint3" type="button" value="打印预览"
onclick="factory.printing.Preview()">
</td>
</tr>
</table>
</div>
</BODY>
</HTML>
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