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JasperReportsÈçºÎʹÓÃ

Ò»£¬½¨Á¢¼òÒ×µÄjrxmlÎļþ

?xml version=1.0?

!DOCTYPE jasperReport

PUBLIC -//JasperReports//DTD Report Design//EN

dtds/jasperreport.dtd

jasperReport name=FirstReport

detail

band height=20

staticText

reportElement x=20 y=0 width=200 height=20 /

text![CDATA[If you dont see this, it didnt work]]/text

/staticText

/band

/detail

/jasperReport

Ö®ÉÏÊÇÒ»¸ö¼òÒ×µÄJRXMLÎļþ£¬ÊÂʵÉÏÊÇÒ»¸ö¹æ·¶µÄXMLÎļþ£¬jasperReportÊǸùÔ­ËØ£¬staticText±íÃ÷¾²Ì¬Êý¾ÝµÄÊý¾ÝÐÅÏ¢£¬reportElement½ç¶¨ÁËstaticTextµÄ¾ßÌåλÖúÍ×Ü¿í,text½ç¶¨Á˾ßÌåµÄÊý¾Ý¸ñʽ¡£

¶þ,°ÑJRXMLÎļþ·ÖÎö³ÉjasperÎļþ,ÎļþÁ÷»òJasperReport¶ÔÏó£¨ÒÀ¾Ý¾ßÌåÇé¿ö£©

1.´´½¨Ò»¸öWEB¹¤³ÌÏîÄ¿£¬ÔÙÔÚWEBROOTÎļþĿ¼Ï´´½¨Ò»¸öÎļþĿ¼report

2.Ó¦ÓÃJasperCompileManagerÀï±ßµÄ·½Ê½·ÖÎöJRXMLÎļþ³ÉjasperÎļþ,ÎļþÁ÷»òJasperReport¶ÔÏó

°ÑJRXMLÎļþparse£¬ÔÙcomplie³ÉjasperÎļþ

JasperCompileManager.compileReportToFile(WebRoot/report/jasperreports_demo.jrxml, WebRoot/report/langhua.jasper);

»òÊÇÉú³ÉJasperReport¶ÔÏó

public static JasperReport compileReport(WebRoot/report/jasperreports_demo.jrxml)

»òÊÇÒÔÁ÷µÄ·½Ê½Éú³É

public static void compileReportToStream(InputStream inputStream,OutputStream outputStream)

×ÔÈ»JasperCompileManager»¹¿ÉÒÔ°ÑJasperÎļþ±äΪJRXMLµÄ(°üº¬JRXMLÁ÷,È«ÊǾ²Ì«µÄ·½Ê½)

writeReportToXmlStream

writeReportToXmlFile

Èý,ÓµÓÐJasperReport¶ÔÏó£¬ÎļþÁ÷»òjasperÎļþÒԺ󣬾ͿÉÒÔÓÃJasperFillManagerÉú³ÉJasperPrint¶ÔÏó,jrprintÎļþ£¬jrprintÎļþÁ÷

ÈçÏÂËùʾ

Éú³ÉJasperPrint ¶ÔÏó

public static JasperPrint fillReport(JasperReport jasperReport,Map parameters, JRDataSource dataSource)

Éú³ÉÆäËû

//Éú³ÉÎļþ

public static void fillReportToFile(

String sourceFileName,

String destFileName,

Map parameters,

Connection connection

)

//ÎļþÁ÷

public static void fillReportToStream(

JasperReport jasperReport,

OutputStream outputStream,

Map parameters,

Connection connection

)

µÚËIJ½£¬Ó¦ÓÃJasperExportManagerµ¼³öÀ´»ò±íÃ÷

JasperExportManager.exportReportToHtmlFile(jasperPrint, c://1.html);

JasperExportManager.exportReportToPdfFile(jasperPrint, c://1.pdf);

//Ò²ÓÐÐí¶à·½Ê½µÄ

ÏêϸµÄÊÂÀý

JasperReport jasperReport;

JasperPrint jasperPrint;

try{

jasperReport = JasperCompileManager.compileReport(WebRoot/report/jasperreports_demo.jrxml);

jasperPrint = JasperFillManager.fillReport(jasperReport, new HashMap(),new JREmptyDataSource());

JasperExportManager.exportReportToPdfFile(jasperPrint, c://1.pdf);

}

catch (JRException e){

e.printStackTrace();

}