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js以excel为模板的打印

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06/25
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使用excel为模板打印的好处是格式容易调整，这种方法要求客户端系统配置高度统一，譬如excel安装版本一致，存在服务器上的excel模板必须与客户端excel版本一致，而且不能用其他版本的excel修改。

javascript打印excel代码

<script type="text/javascript" >
function Print_Click() {
alert("打印测试");
var Template = "http://172.16.18.217/ExcelDoc/CreateCard.xls";
var xlApp = new ActiveXObject("Excel.Application");
var xlBook = xlApp.Workbooks.add(Template);
var xlsheet = xlBook.ActiveSheet;
xlsheet.printout;
xlApp = null;
xlsheet = null; }
</script>

ASP.NET中后台调用javascript打印excel代码

protected void PrintTestButton_Click(object sender, EventArgs e)
{
string StrScript;
StrScript = ("<script type='text/javascript'>");
StrScript += ("alert(\"打印测试\");");
StrScript += ("var Template ='http://172.16.18.217/ExcelDoc/CreateCard.xls';");
StrScript += ("var xlApp = new ActiveXObject('Excel.Application');");
StrScript += ("if(xlApp== undefined){");
StrScript += ("alert(\"Excel对象创建失败\");}else{");
StrScript += ("var xlBook = xlApp.Workbooks.add(Template);");
StrScript += ("var xlsheet = xlBook.ActiveSheet;");
StrScript += ("xlsheet.printout;");
StrScript += ("xlApp = null;");
StrScript += ("xlsheet = null;}");
StrScript += ("</script>");
this.ClientScript.RegisterStartupScript(this.GetType(), " ", StrScript);
}

C#打印

public int PrintPatientInfo()
{
PrintExcel pExcel = new PrintExcel("CreateCard.xls"); Worksheet sheet = pExcel.GetWorksheet(); sheet.Cells[, ] = "建卡信息";
sheet.Cells[, ] = "患者卡号:";
sheet.Cells[, ] = patientCardNum.Trim();
sheet.Cells[, ] = "患者姓名:";
sheet.Cells[, ] = patientName.Trim();
sheet.Cells[, ] = "金额";
sheet.Cells[, ] = "1元";
sheet.Cells[, ] = "日期";
sheet.Cells[, ] = DateTime.Now.ToString("yyyy-MM-dd");
pExcel.ExecPrint(); return ;
}

ASP.NET在服务器端用C#组织javascript打印代码并在IE客户端打印，还可以指定打印机，最方便

public class PrintExcelJs
{
private string excelPath;
private string StrScript; public PrintExcelJs(string xslPath)
{
excelPath = xslPath;
StrScript = "<script type='text/javascript'>";
StrScript += "var Template ='"+excelPath+"';";
StrScript += "var xlApp = new ActiveXObject('Excel.Application');";
StrScript += "if(xlApp== undefined){";
StrScript += "alert(\"Excel对象创建失败\");}else{";
StrScript += "var xlBook = xlApp.Workbooks.add(Template);";
StrScript += "var xlsheet = xlBook.ActiveSheet;";
} public void InsertValueToExcelCell(int i, int j, string strContent)
{
StrScript += "xlsheet.cells(" + i.ToString() + "," + j.ToString() + ")";
StrScript += "=\"" + strContent + "\";";
} public void ExecPrint(System.Web.UI.Page page,int numOfPrint=)
{
StrScript += "xlsheet.printout(1,null,1,false,\"PrintGuid\",false,false);";//这段代码花了我半天时间，因为之前听说javascript不能指定打印机，存疑，后来终于找到正确的用法了
StrScript += "xlApp = null;";
StrScript += "xlsheet = null;}";
StrScript += "</script>";
page.ClientScript.RegisterStartupScript(this.GetType(), Guid.NewGuid().ToString(), StrScript);
}
}示例代码：private void PrintTestButton_Click()
{
string excelPath = "http://"+Request.Url.Host + @"/ExcelDoc/" + "CreateCard.xls";
PrintExcelJs pExcel = new PrintExcelJs(excelPath); pExcel.InsertValueToExcelCell(, , "XX信息");
pExcel.InsertValueToExcelCell(, , "患者卡号:");
pExcel.InsertValueToExcelCell(, , patientCardNum.Trim());
pExcel.InsertValueToExcelCell(, , "患者姓名:");
pExcel.InsertValueToExcelCell(, , patientName.Trim());
pExcel.InsertValueToExcelCell(, , "金额");
pExcel.InsertValueToExcelCell(, , "1元");
pExcel.InsertValueToExcelCell(, , "日期");
pExcel.InsertValueToExcelCell(, , DateTime.Now.ToString("yyyy-MM-dd"));
pExcel.ExecPrint(this,);
}