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<title>WEB打印控件LODOP的样例七:获得打印设备和选择打印机输出</title>
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<h2><b><font color="#009999">演示获得打印设备和选择打印机输出:</font></b></h2>
<p>相关函数有以下几个：</p>
<p><font color="#0000FF" size="3">GET_PRINTER_COUNT;获得打印机个数<br>
GET_PRINTER_NAME(intPrinterIndex);用序号获得打印机名，一般序号从0开始，-1特指默认打印机；<br>
SET_PRINTER_INDEX(oIndexOrName);按序号或名称指定打印机，选定后禁止手工重选；<br>
</font><font color="#0000FF" size="3">SET_PRINTER_INDEXA(IndexorName);按序号或名称指定打印机，选定后允许手工重选；<br>
SELECT_PRINTER;弹出界面选打印机并返回其序号，序号从0开始,返回-1表示放弃<br>
SET_PRINT_COPIES(intCopies);指定每次打印份数，缺省为1</font></p>
<p>下面演示如何实现打印输出控制：</p>
<p>
1：获得本系统内的打印机<input type="button" value="个数:" onclick="document.getElementById('T1').value=getPrinterCount()">
<input type="text" id="T1" size="5">
</p>
<p>2：获得第<input type="text" id="T2" size="1" value="0">号
<input type="button" value="打印机名称:" onclick="document.getElementById('T3').value=getPrinterName(document.getElementById('T2').value)">
<input type="text" id="T3" size="30">及其<select size="1" id="Select01">
<option value="DriverName">驱动名称</option>
<option value="PortName">端口名称</option>
<option value="Orientation">打印方向</option>
<option value="PaperSize">纸张大小(编号)</option>
<option value="PaperLength">纸张长度(0.1mm)</option>
<option value="PaperWidth">纸张宽度(0.1mm)</option>
<option value="Copies">打印份数</option>
<option value="DefaultSource">纸张来源</option>
<option value="PrintQuality">打印质量(dpi)</option>
<option value="Color">是否彩色</option>
<option value="Duplex">双面打印</option>
<option value="FormName">表单名称</option>
<option value="Comment">注释</option>
<option value="DriverVersion">驱动版本号</option>
</select><input type="button" value="的值:"
onclick="document.getElementById('T31').value=getPrinterOther(document.getElementById('T2').value,document.getElementById('Select01').value)">
<input type="text" id="T31" size="30">
</p>
<p>3：指定序号(或名称)为<input type="text" id="T4" size="15" value="0">的打印机来<input type="button" value="打印预览"
onclick="PreviewByPrinterIndex(document.getElementById('T4').value)">或<input type="button" value="直接打印" onclick="PrintByPrinterIndex(document.getElementById('T4').value)">测试页，在预览窗口不能另选。 </p>
<p>4：指定序号(或名称)为<input type="text" id="T5" size="15" value="0" >的打印机来<input type="button" value="打印预览"
onClick="PreviewByPrinterName(document.getElementById('T5').value)">或<input type="button" value="直接打印" onClick="PrintByPrinterName(document.getElementById('T5').value)">测试页，在预览窗口可以另选。</p>
<p>5：<input type="button" value="临时选择一个为默认打印机"
onClick="SelectAsDefaultPrinter()"> <input type="button" value="用默认打印"
onClick="PrintByDefaultPrinter()"></p>
<p>6：打印份数为<input type="text" id="T6" size="2" value="2" name="copies"><input type="button" value="开始打印"
onclick="PrintMoreCopies(document.getElementById('T6').value)"></p>
<p>7：目标打印机、打印方向、纸张大小和打印份数等设置项目被控制后，默认是禁止重选的，<br>
可用<font color="#0000FF" size="3">SET_PRINT_MODE("RESELECT_XXX",true);</font>语句允许操作者在打印预览里重选。
<br><input type="button" value="不可重选的打印预览" onclick="PreviewReSelect(false)">
<input type="button" value="可重选的打印预览" onclick="PreviewReSelect(true)">
</p>
<p><a href="PrintSampIndex.html"><<回样例目录</a></p>
<script language="javascript" type="text/javascript">
var LODOP; //声明为全局变量
function getPrinterCount() {
LODOP=getLodop();
return LODOP.GET_PRINTER_COUNT();
};
function getPrinterName(iPrinterNO) {
LODOP=getLodop();
return LODOP.GET_PRINTER_NAME(iPrinterNO);
};
function getPrinterOther(iPrinterNO,strTypeKEY) {
LODOP=getLodop();
return LODOP.GET_PRINTER_NAME(iPrinterNO+":"+strTypeKEY);
//例如：LODOP.GET_PRINTER_NAME("0:DriverName");
};
function PreviewByPrinterIndex(intPrinterIndex) {
CreatePrintPage();
if (LODOP.SET_PRINTER_INDEX(intPrinterIndex))
LODOP.PREVIEW();
};
function PrintByPrinterIndex(intPrinterIndex) {
CreatePrintPage();
//LODOP.SET_PRINT_MODE("TRYLINKPRINTER_NOALERT",true);//这个语句设置网络共享打印机连接不通时是否提示一下
if (LODOP.SET_PRINTER_INDEX(intPrinterIndex))
LODOP.PRINT();
};
function PreviewByPrinterName(strPrinterName) {
CreateHTMPrintPage();
if (LODOP.SET_PRINTER_INDEXA(strPrinterName))
LODOP.PREVIEW();
};
function PrintByPrinterName(strPrinterName) {
CreateHTMPrintPage();
if (LODOP.SET_PRINTER_INDEXA(strPrinterName))
LODOP.PRINT();
};
function SelectAsDefaultPrinter() {
LODOP=getLodop();
if (LODOP.SELECT_PRINTER()>=0)
alert("选择成功!"); else alert("选择失败！");
};
function PrintByDefaultPrinter() {
CreatePrintPage();
LODOP.PRINT();
};
function PrintMoreCopies(intCopies) {
CreatePrintPage();
if (LODOP.SET_PRINT_COPIES(intCopies)) LODOP.PRINT();
else alert("设置打印份数失败！");
};
function PreviewReSelect(blCanSelect) {
CreatePrintPage();
LODOP.SET_PRINTER_INDEX(-1);//指定打印机
LODOP.SET_PRINT_PAGESIZE(1,0,0,"A4");//指定方向和纸张
LODOP.SET_PRINT_COPIES(2);//指定份数
LODOP.SET_PRINT_MODE("RESELECT_PRINTER",blCanSelect);
LODOP.SET_PRINT_MODE("RESELECT_ORIENT",blCanSelect);
LODOP.SET_PRINT_MODE("RESELECT_PAGESIZE",blCanSelect);
LODOP.SET_PRINT_MODE("RESELECT_COPIES",blCanSelect);
LODOP.PREVIEW();
};
function CreatePrintPage() {
LODOP=getLodop();
LODOP.PRINT_INIT("打印控件功能演示_Lodop功能_测试页一");
LODOP.ADD_PRINT_RECT(77,74,409,345,0,2);
LODOP.ADD_PRINT_ELLIPSE(351,140,140,60,0,1);
LODOP.ADD_PRINT_RECT(299,133,344,42,1,1);
LODOP.ADD_PRINT_TEXT(91,242,70,21,"测试页标题");
LODOP.ADD_PRINT_TEXT(201,94,20,94,"测试页内容");
LODOP.ADD_PRINT_TEXT(129,131,345,31,"测试内容一:9号宋体字是默认字体");
LODOP.ADD_PRINT_TEXT(161,131,345,31,"测试内容二:11号普通宋体字正体");
LODOP.SET_PRINT_STYLEA(0,"FontSize",11);
LODOP.ADD_PRINT_TEXT(193,131,345,31,"测试内容三:13.5 号宋体字的粗体");
LODOP.SET_PRINT_STYLEA(0,"FontSize",13.5);
LODOP.SET_PRINT_STYLEA(0,"Bold",1);
LODOP.ADD_PRINT_TEXT(225,131,345,31,"测试内容四:15号宋体字的斜体");
LODOP.SET_PRINT_STYLEA(0,"FontSize",15);
LODOP.SET_PRINT_STYLEA(0,"Italic",1);
LODOP.ADD_PRINT_TEXT(260,131,345,31,"测试内容五:16号斜体字带下划线");
LODOP.SET_PRINT_STYLEA(0,"FontSize",16);
LODOP.SET_PRINT_STYLEA(0,"Italic",1);
LODOP.SET_PRINT_STYLEA(0,"Underline",1);
LODOP.ADD_PRINT_TEXT(308,144,318,29,"测试内容六:黑体字居中");
LODOP.SET_PRINT_STYLEA(0,"FontName","黑体");
LODOP.SET_PRINT_STYLEA(0,"FontSize",13);
LODOP.SET_PRINT_STYLEA(0,"Alignment",2);
LODOP.ADD_PRINT_TEXT(350,300,170,66,"测试内容七:单行文字右靠齐超出区域宽度时则折行显示");
LODOP.SET_PRINT_STYLEA(0,"FontSize",11);
LODOP.SET_PRINT_STYLEA(0,"Alignment",3);
LODOP.ADD_PRINT_TEXT(428,79,400,23,"以上演示了位置、区域、字体、图形、线型等打印布局和风格。");
LODOP.ADD_PRINT_LINE(119,76,118,481,0,1);
LODOP.ADD_PRINT_LINE(78,127,420,128,0,1);
LODOP.ADD_PRINT_LINE(79,76,118,127,0,1);
};
function CreateHTMPrintPage() {
LODOP=getLodop();
LODOP.PRINT_INIT("打印控件功能演示_Lodop功能_测试页二");
var strHTML="<!doctype><body><font style='font-size:16px;'>字体大小:16px</font><br>";
strHTML=strHTML+"<font style='font-size:16pt;'>字体大小:16pt</font><br>";
strHTML=strHTML+"<font style='font-size:x-small'>字体大小:x-small</font><br>";
strHTML=strHTML+"<font style='font-size:small'>字体大小:small</font><br>";
strHTML=strHTML+"<font style='font-size:medium'>字体大小:medium</font><br>";
strHTML=strHTML+"<font style='font-size:large'>字体大小:large</font><br>";
strHTML=strHTML+"<font style='font-size:x-large'>字体大小:x-large</font><br>";
strHTML=strHTML+"<font style='font-size:XX-large'>字体大小:XX-large</font><br>";
strHTML=strHTML+"<font size='1'>字体大小:1</font><br>";
strHTML=strHTML+"<font size='2'>字体大小:2</font><br>";
strHTML=strHTML+"<font size='3'>字体大小:3</font><br>";
strHTML=strHTML+"<font size='4'>字体大小:4</font><br>";
strHTML=strHTML+"<font size='5'>字体大小:5</font><br>";
strHTML=strHTML+"<font size='6'>字体大小:6</font><br>";
strHTML=strHTML+"<font size='7'>字体大小:7</font><br>";
strHTML=strHTML+"<font size='-1'>字体大小:-1</font><br>";
strHTML=strHTML+"<font size='-2'>字体大小:-2</font><br></body>";
LODOP.ADD_PRINT_HTM(5,5,"100%","100%",strHTML);
LODOP.SET_PRINT_STYLEA(0,"Horient",3);
LODOP.SET_PRINT_STYLEA(0,"Vorient",3);
};
</script>
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