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[英]How to Put Start Date and End Date as parameters from jsp page to jasper report
[英]How to pass 2 or more parameters from jsp page to jasper report
我有一個如上所述的搜索條件,還有一個文本字段。 我在這里使用碧玉報告。 因此,我在ireport-5.6.0中創建了參數,該參數在ireport-5.6.0的內部預覽中工作正常,但是當我想將從jsp頁面選擇的值發送到ireport並以PDF打印數據時。 它不起作用。 僅對一個參數有效,並且不采用其他兩個選定的值。這是我的jsp頁面。
Purchase.jsp
<form action="view.jsp" method="post">
<select name="complan">
<option value="">Make a selection</option>
<option value="Company Name">Company Name</option>
<option value="Contact Person">Contact Person</option>
<option value="Phone Number">Phone Number</option>
</select>
<select name="category">
<option value=""> Make a selection </option>
<option value="company">company</option>
<option value="institution">institution</option>
<option value="hospital">hospital</option>
<option value="Others">Others</option>
</select>
<input type="text" name="search"/>
<input type="submit" value="Submit"/>
</form>
view.jsp
<script type="text/javascript">
function setAction(nPage){
document.forms[0].action = nPage;
}
</script>
<form>
<%
String search=request.getParameter("search");
session.setAttribute("sea",search);
String category=request.getParameter("category");
session.setAttribute("cat",category);
String complan = request.getParameter("complan");
session.setAttribute("com",complan);
%>
<select onchange="setAction(this.value)">
<option value=''> Make a selection </option>
<option value='PDF_LEAD.jsp'> PDF</option>
<option value='XLS_LEAD.jsp'> XLS </option>
<option value='DOC_LEAD.jsp'> DOC </option>
<option value='XLSX_LEAD.jsp'> XLSX </option>
</select>
<br/>
<input type="submit" value="Submit">
</form>
PDF_LEAD.jsp
<body>
<%
Connection conn = null;
String sear=(String)session.getAttribute("sea");
String cate=(String)session.getAttribute("cat");
String comp=(String)session.getAttribute("com");
try
{
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/marketing_database","root","root");
String jrxmlFile ="D:/dev/tools/jasper files/report10.jrxml";
InputStream input = new FileInputStream(new File(jrxmlFile));
JasperDesign jasperDesign = JRXmlLoader.load(input);
System.out.println("Compiling Report Designs");
JasperReport jasperReport = JasperCompileManager.compileReport(jasperDesign);
System.out.println("Creating JasperPrint Object");
Map parameters = new HashMap();
parameters.put("complan",comp);
parameters.put("search",sear);
parameters.put("category",cate);
JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport,parameters,conn);
byte bytes[] = new byte[10000];
JRPdfExporter exporter = new JRPdfExporter();
ByteArrayOutputStream PDFStream = new ByteArrayOutputStream();
exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, PDFStream);
exporter.exportReport();
System.out.println("Size of byte array:"+PDFStream.size());
bytes = PDFStream.toByteArray();
response.setContentType("application/pdf");
System.out.println("After JasperPrint = 1");
response.setContentLength(bytes.length);
System.out.println("After JasperPrint = 2");
PDFStream.close();
System.out.println("After JasperPrint = 3");
OutputStream outputStream = response.getOutputStream();
System.out.println("After JasperPrint = 4");
outputStream.write(bytes, 0, bytes.length);
outputStream.flush();
outputStream.close();
}
catch(Exception e)
{e.printStackTrace();}
%>
</body>
首先,我要感謝@Peter Friberg,因為沒有你,這將是不可能的。 我在jrxml中刪除了“默認值表達式”。 如下。
<parameter name="category" class="java.lang.String">
<parameterDescription><![CDATA[]]></parameterDescription>
</parameter>
<parameter name="search" class="java.lang.String">
<parameterDescription><![CDATA[]]></parameterDescription>
</parameter>
<queryString>
<![CDATA[select * from lead where category ='$P!{category}' and Company_Name like '$P!{search}%']]>
</queryString>
我的SQL查詢是
select * from lead where category ='$P!{category}' and Company_Name like '$P!{search}%'
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