Web打印的解决方案之证件套打
由于以前未接触过套打，一直觉得套打是一个比较神秘和麻烦的事情，因为打印机的位置总是需要调整的，你总不能硬编码吧？但是如果位置可调，有需要直观一些来处理，那就比较麻烦了。
在前面介绍过《Web打印的解决方案之普通报表打印》的一片文章中提到过那个打印控件Lodop，做起套打来感觉还是挺方便的，至少位置调整界面不需要自己弄，位置嘛，也提供了自动保存的功能，不需要理会。
一般的套打，包含了几部分操作：打印预览、打印维护、打印设计。
打印预览和打印维护是面向终端用户的，打印维护是指内容不能修改删除、但位置可以调整，给不同的打印机不同的尺寸打印提供调整位置的可能性。
打印设计是面向开发人员的，开始需要通过这个功能来设计好套打的界面，就是根据套打证件的背景图片，大致摆放好各个内容的位置。
大致的实现代码如下所示：
<script language="javascript">
var LODOP=document.getElementById("LODOP");//这行语句是为了符合DTD规范
CheckLodop();
</script>
<script language="javascript" type="text/javascript">
function Preview2() {
CreateDataBill();
LODOP.PREVIEW();
};
function Setup2() {
CreateDataBill();
LODOP.PRINT_SETUP();
};
function Design2() {
CreateDataBill();
LODOP.PRINT_DESIGN();
};
function RealPrint() {
CreateDataBill();
if (LODOP.PRINTA())
alert("已发出实际打印命令！");
else
alert("放弃打印！");
};
function CreateDataBill() {
LODOP.SET_PRINT_PAPER(10,10,762,533,"打印控件功能演示_Lodop功能_移动公司发票套打");
LODOP.ADD_PRINT_TEXT(126,150,100,20,"郭德刚");
LODOP.SET_PRINT_STYLEA(1,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(151,150,100,20,"13954885177");
LODOP.SET_PRINT_STYLEA(2,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(125,584,99,20,"发票打印(第1次)");
LODOP.SET_PRINT_STYLEA(3,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(465,140,198,20,"陆百柒拾捌元叁角零分");
LODOP.SET_PRINT_STYLEA(4,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(465,599,70,20,"678.30");
LODOP.SET_PRINT_STYLEA(5,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(496,408,59,20,"H112063");
LODOP.SET_PRINT_STYLEA(6,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(191,58,100,20,"国内漫游通话");
LODOP.SET_PRINT_STYLEA(7,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(191,217,100,20,"584.00");
LODOP.SET_PRINT_STYLEA(8,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(222,58,100,20,"增值业务费");
LODOP.SET_PRINT_STYLEA(9,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(222,217,100,20,"48.30");
LODOP.SET_PRINT_STYLEA(10,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(251,58,100,20,"代收费");
LODOP.SET_PRINT_STYLEA(11,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(251,217,100,20,"50.00");
LODOP.SET_PRINT_STYLEA(12,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(280,58,100,20,"优惠费");
LODOP.SET_PRINT_STYLEA(13,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(280,217,100,20,"4.00");
LODOP.SET_PRINT_STYLEA(14,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(98,101,150,20,"101081005747319387");
LODOP.SET_PRINT_STYLEA(15,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(97,307,150,20,"2008年10月19日 10:28:38");
LODOP.SET_PRINT_STYLEA(16,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(152,584,103,20,"138860016786");
LODOP.SET_PRINT_STYLEA(17,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(95,571,112,20,"06775516");
LODOP.SET_PRINT_STYLEA(18,"FontName","System");
LODOP.SET_PRINT_STYLEA(18,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(496,135,183,20,"2008年09月(20080901-20080930)");
LODOP.SET_PRINT_STYLEA(19,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(496,572,112,20,"-王府井中心店营");
LODOP.SET_PRINT_STYLEA(20,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(311,217,100,20,"678.30");
LODOP.SET_PRINT_STYLEA(21,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(311,58,100,20,"费用合计");
LODOP.SET_PRINT_STYLEA(22,"FontColor",16711680);
LODOP.ADD_PRINT_SETUP_BKIMG("<img src=Report/证件背景.jpg' />");
LODOP.SET_SHOW_MODE ("BKIMG_IN_PREVIEW",1);
}
</script>
var LODOP=document.getElementById("LODOP");//这行语句是为了符合DTD规范
CheckLodop();
</script>
<script language="javascript" type="text/javascript">
function Preview2() {
CreateDataBill();
LODOP.PREVIEW();
};
function Setup2() {
CreateDataBill();
LODOP.PRINT_SETUP();
};
function Design2() {
CreateDataBill();
LODOP.PRINT_DESIGN();
};
function RealPrint() {
CreateDataBill();
if (LODOP.PRINTA())
alert("已发出实际打印命令！");
else
alert("放弃打印！");
};
function CreateDataBill() {
LODOP.SET_PRINT_PAPER(10,10,762,533,"打印控件功能演示_Lodop功能_移动公司发票套打");
LODOP.ADD_PRINT_TEXT(126,150,100,20,"郭德刚");
LODOP.SET_PRINT_STYLEA(1,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(151,150,100,20,"13954885177");
LODOP.SET_PRINT_STYLEA(2,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(125,584,99,20,"发票打印(第1次)");
LODOP.SET_PRINT_STYLEA(3,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(465,140,198,20,"陆百柒拾捌元叁角零分");
LODOP.SET_PRINT_STYLEA(4,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(465,599,70,20,"678.30");
LODOP.SET_PRINT_STYLEA(5,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(496,408,59,20,"H112063");
LODOP.SET_PRINT_STYLEA(6,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(191,58,100,20,"国内漫游通话");
LODOP.SET_PRINT_STYLEA(7,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(191,217,100,20,"584.00");
LODOP.SET_PRINT_STYLEA(8,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(222,58,100,20,"增值业务费");
LODOP.SET_PRINT_STYLEA(9,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(222,217,100,20,"48.30");
LODOP.SET_PRINT_STYLEA(10,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(251,58,100,20,"代收费");
LODOP.SET_PRINT_STYLEA(11,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(251,217,100,20,"50.00");
LODOP.SET_PRINT_STYLEA(12,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(280,58,100,20,"优惠费");
LODOP.SET_PRINT_STYLEA(13,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(280,217,100,20,"4.00");
LODOP.SET_PRINT_STYLEA(14,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(98,101,150,20,"101081005747319387");
LODOP.SET_PRINT_STYLEA(15,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(97,307,150,20,"2008年10月19日 10:28:38");
LODOP.SET_PRINT_STYLEA(16,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(152,584,103,20,"138860016786");
LODOP.SET_PRINT_STYLEA(17,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(95,571,112,20,"06775516");
LODOP.SET_PRINT_STYLEA(18,"FontName","System");
LODOP.SET_PRINT_STYLEA(18,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(496,135,183,20,"2008年09月(20080901-20080930)");
LODOP.SET_PRINT_STYLEA(19,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(496,572,112,20,"-王府井中心店营");
LODOP.SET_PRINT_STYLEA(20,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(311,217,100,20,"678.30");
LODOP.SET_PRINT_STYLEA(21,"FontColor",16711680);
LODOP.ADD_PRINT_TEXT(311,58,100,20,"费用合计");
LODOP.SET_PRINT_STYLEA(22,"FontColor",16711680);
LODOP.ADD_PRINT_SETUP_BKIMG("<img src=Report/证件背景.jpg' />");
LODOP.SET_SHOW_MODE ("BKIMG_IN_PREVIEW",1);
}
</script>
其中大部分内容还是比较好理解的，不同的功能调用不同的函数Preview为预览、Setup为维护、Design为设计。
在套打的时候，注意需要通过下面代码来设置显示背景图片（打印的时候，是不打印背景的）。
LODOP.ADD_PRINT_SETUP_BKIMG("<img src=Report/证件背景.jpg' />");
LODOP.SET_SHOW_MODE ("BKIMG_IN_PREVIEW",1); //打印预览时是否包含背景图
LODOP.SET_SHOW_MODE ("BKIMG_IN_PREVIEW",1); //打印预览时是否包含背景图
另外，由于报表的内容都是写在HTML页面中的，因此在动态设置内容的时候，一可以用脚本来读取界面元素作为数据源，二可以通过后台代码自动生成脚本代码，输出到前台页面中，看具体的需要了。
套打的预览界面大致如下图所示，其中蓝色部分是需要打印的内容，背景图片是一个发票的样板。
下面代码是通过脚本获取界面元素来取得相应的内容的，这种情况适合于界面上可能会修改一些打印的内容的情景。
LODOP.ADD_PRINT_TEXT(95, 695, 250, 52, document.getElementById("txtCompanyName").innerText); //业户名称
LODOP.SET_PRINT_STYLEA(1, "FontSize", 14);
LODOP.SET_PRINT_STYLEA(1, "Bold", 1);
var licenseDate = document.getElementById("txtLicenseDate").value;//证件有效期
var licenseYear = "";
var licenseMonth = "";
var licenseDay = "";
if (licenseDate != null && licenseDate != "") {
licenseYear = licenseDate.split("-")[0];
licenseMonth = licenseDate.split("-")[1];
licenseDay = (licenseDate.split("-")[2]).substr(0, 2);
}
LODOP.ADD_PRINT_TEXT(396, 190, 46, 22, validateYear); //有效期 结束 年
LODOP.SET_PRINT_STYLEA(6, "FontSize", 11);
LODOP.SET_PRINT_STYLEA(6, "Bold", 1);
LODOP.ADD_PRINT_TEXT(396, 253, 30, 22, validateMonth); //有效期 结束 月
LODOP.SET_PRINT_STYLEA(7, "FontSize", 11);
LODOP.SET_PRINT_STYLEA(7, "Bold", 1);
LODOP.ADD_PRINT_TEXT(396, 304, 32, 22, validateDay); //有效期 结束 日
LODOP.SET_PRINT_STYLEA(8, "FontSize", 11);
LODOP.SET_PRINT_STYLEA(8, "Bold", 1);
LODOP.SET_PRINT_STYLEA(1, "FontSize", 14);
LODOP.SET_PRINT_STYLEA(1, "Bold", 1);
var licenseDate = document.getElementById("txtLicenseDate").value;//证件有效期
var licenseYear = "";
var licenseMonth = "";
var licenseDay = "";
if (licenseDate != null && licenseDate != "") {
licenseYear = licenseDate.split("-")[0];
licenseMonth = licenseDate.split("-")[1];
licenseDay = (licenseDate.split("-")[2]).substr(0, 2);
}
LODOP.ADD_PRINT_TEXT(396, 190, 46, 22, validateYear); //有效期 结束 年
LODOP.SET_PRINT_STYLEA(6, "FontSize", 11);
LODOP.SET_PRINT_STYLEA(6, "Bold", 1);
LODOP.ADD_PRINT_TEXT(396, 253, 30, 22, validateMonth); //有效期 结束 月
LODOP.SET_PRINT_STYLEA(7, "FontSize", 11);
LODOP.SET_PRINT_STYLEA(7, "Bold", 1);
LODOP.ADD_PRINT_TEXT(396, 304, 32, 22, validateDay); //有效期 结束 日
LODOP.SET_PRINT_STYLEA(8, "FontSize", 11);
LODOP.SET_PRINT_STYLEA(8, "Bold", 1);
最后附上它的设计界面，其中生成代码功能可以生成用于静态HTML中的内容布局显示，做一定的修改调整就可以用在动态页面中了。非常有用的一个功能。
主要研究技术：代码生成工具、Visio二次开发
