jsp实现打印功能，需要调用windows对象，实例如下：
<script language=JavaScript>if (window.print) {document.write('<input type=button name=print value="打印页面"'+ 'onClick="javascript:window.print()">')}
</script> 嵌入这段代码
<html><head>
<meta http-equiv="Content-Type" content="text/html charset=gb2312">
<title>emu's sample of printing with title</title>
<style>
@media screen{.onlyPrint{display:none}}
@media print{.onlyShow{display:none} .onlyPrint{page-break-before:always}}
</style>
<SCRIPT LANGUAGE="JavaScript">
<!--
// 这里定义每页能打印多少行
//模拟数据
function prepare()
{
var ar = new Array()
for (var i=parseInt(linesPerPage.value)i<(show.children.length-1) i+=parseInt(linesPerPage.value))
{
var tr = show.insertBefore(show.firstChild.cloneNode(true),show.children[i])
tr.className = "onlyPrint"
ar[ar.length] = tr
}
preView()
for (var i=ar.length-1i>-1i--)
show.deleteRow(ar[i].rowIndex)
}
function pageSetup(){try{WB.ExecWB(8,1)}catch(e){alert("您的浏览器不支持此功能")}}
function preView(){try{WB.ExecWB(7,1)}catch(e){alert("您的浏览器不支持此功能")}}
//-->
</SCRIPT>
</head>
<body>
<OBJECT classid=CLSID:8856F961-340A-11D0-A96B-00C04FD705A2 height=0 id=WB width=0 VIEWASTEXT></OBJECT>
<center class=onlyShow>
设定每页打印
<input id=linesPerPage size=4 value=10>行
<button onclick='pageSetup()'>页面设置</button>
<button onClick='prepare()'>打印预览</button><BR><BR>
</center>
<table bgcolor=balck cellspacing=1 cellpadding=3 align=center>
<tbody bgcolor=white id=show>
<tr>
<td>员工号</td><td>姓名</td><td>职务</td><td>部门</td><td>扣税</td><td>上月结余</td><td>实发工资</td><td>应发工资</td><td>应扣款</td></tr>
<tr><td>0009</td><td>sdfa</td><td>副总裁</td><td>技术部</td><td>150.57</td><td>0.0</td><td>3706.61</td><td>3857.18</td><td>150.57</td></tr>
<tr><td>1000</td><td>赵志燕</td><td>总裁</td><td>技术部</td><td>0.0</td><td>0.0</td><td>2204.98</td><td>2221.62</td><td>16.64</td></tr>
<tr><td>1001</td><td>赵志平</td><td>副总裁</td><td>金工车间</td><td>122.74</td><td>0.0</td><td>3599.18</td><td>3739.52</td><td>140.33</td></tr>
<tr><td>1002</td><td>赵志勇</td><td>副总裁</td><td>生产部</td><td>324.6</td><td>0.0</td><td>5532.95</td><td>5857.56</td><td>324.6</td></tr>
<tr><td>1003</td><td>赵志华</td><td>副总裁</td><td>质量管理部</td><td>859.69</td><td>0.0</td><td>11155.8</td><td>12016.21</td><td>860.41</td></tr>
<tr><td>1004</td><td>赵志强</td><td>总经理</td><td>注塑班</td><td>726.58</td><td>0.0</td><td>9757.66</td><td>10484.84</td><td>727.18</td></tr>
<tr><td>1005</td><td>赵小燕</td><td>副总经理</td><td>计划调度室</td><td>8.98</td><td>0.0</td><td>2036.64</td><td>2045.62</td><td>8.98</td></tr>
<tr><td>1006</td><td>赵小平</td><td>副总经理</td><td>采购部</td><td>125.02</td><td>0.0</td><td>3438.49</td><td>3563.52</td><td>125.02</td></tr>
<tr><td>1007</td><td>赵小勇</td><td>副总经理</td><td>销售部</td><td>309.29</td><td>0.0</td><td>5372.26</td><td>5681.56</td><td>309.29</td></tr>
<tr><td>1008</td><td>赵小华</td><td>经理助理</td><td>用户服务部</td><td>0.0</td><td>0.0</td><td>11148.49</td><td>12008.21</td><td>859.71</td></tr>
<tr><td>1009</td><td>赵小强</td><td>经理助理</td><td>质量管理部</td><td>726.32</td><td>0.0</td><td>9754.92</td><td>10481.84</td><td>726.92</td></tr>
<tr><td>1010</td><td>赵燕</td><td>经理助理</td><td>海外市场部</td><td>8.98</td><td>0.0</td><td>2036.64</td><td>2045.62</td><td>8.98</td></tr>
<tr><td>1011</td><td>赵平</td><td>部门经理</td><td>营销部</td><td>125.02</td><td>0.0</td><td>3438.49</td><td>3563.52</td><td>125.02</td></tr>
<tr><td>1012</td><td>赵勇</td><td>部门经理</td><td>开发部</td><td>309.29</td><td>0.0</td><td>5372.26</td><td>5681.56</td><td>309.29</td></tr>
<tr><td>1013</td><td>赵华</td><td>部门经理</td><td>公司</td><td>859.0</td><td>0.0</td><td>11148.49</td><td>12008.21</td><td>859.71</td></tr>
<tr><td>1014</td><td>赵强</td><td>部门经理</td><td>总裁办公室</td><td>726.32</td><td>0.0</td><td>9754.92</td><td>10481.84</td><td>726.92</td></tr>
<tr><td>1015</td><td>赵海燕</td><td>部门经理</td><td>企业发展部</td><td>8.98</td><td>0.0</td><td>2036.64</td><td>2045.62</td><td>8.98</td></tr>
<tr><td>1016</td><td>赵海平</td><td>部门经理</td><td>质量管理部</td><td>125.02</td><td>0.0</td><td>3438.49</td><td>3563.52</td><td>125.02</td></tr>
<tr><td>1017</td><td>赵海勇</td><td>部门经理</td><td>计划财经部</td><td>309.29</td><td>0.0</td><td>5372.26</td><td>5681.56</td><td>309.29</td></tr>
<tr><td>1018</td><td>赵海华</td><td>部门经理</td><td>人事行政部</td><td>859.0</td><td>0.0</td><td>11148.49</td><td>12008.21</td><td>859.71</td></tr>
<tr><td>1019</td><td>赵海强</td><td>部门经理</td><td>技术科</td><td>726.32</td><td>0.0</td><td>9754.92</td><td>10481.84</td><td>726.92</td></tr>
<tr><td>1020</td><td>赵健燕</td><td>部门经理</td><td>小冲压</td><td>8.98</td><td>0.0</td><td>2036.64</td><td>2045.62</td><td>8.98</td></tr>
<tr><td>1021</td><td>赵健平</td><td>部门经理</td><td>大冲压</td><td>125.02</td><td>0.0</td><td>3438.49</td><td>3563.52</td><td>125.02</td></tr>
<tr><td>1022</td><td>赵健勇</td><td>部门经理</td><td>计划调度室</td><td>309.29</td><td>0.0</td><td>5372.26</td><td>5681.56</td><td>309.29</td></tr>
<tr><td>1023</td><td>赵健华</td><td>部门经理</td><td>生产部</td><td>859.0</td><td>0.0</td><td>11148.49</td><td>12008.21</td><td>859.71</td></tr>
<tr><td>1024</td><td>赵健强</td><td>部门经理</td><td>质量管理部</td><td>726.32</td><td>0.0</td><td>9754.92</td><td>10481.84</td><td>726.92</td></tr>
<tr><td>1026</td><td>赵国平</td><td>部门经理</td><td>管理组</td><td>125.02</td><td>0.0</td><td>3438.49</td><td>3563.52</td><td>125.02</td></tr>
<tr><td>1027</td><td>赵国勇</td><td>部门经理</td><td>采购部</td><td>309.29</td><td>0.0</td><td>5372.26</td><td>5681.56</td><td>309.29</td></tr>
<tr><td>1028</td><td>赵国华</td><td>部门经理</td><td>业务员</td><td>859.0</td><td>0.0</td><td>11148.49</td><td>12008.21</td><td>859.71</td></tr>
<tr><td>1029</td><td>赵国强</td><td>部门经理</td><td>销售部</td><td>726.32</td><td>0.0</td><td>9754.92</td><td>10481.84</td><td>726.92</td>
</tr>
</tbody>
</table>
</body>
</html>
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