struts2整合jasper模版生成PDF导出下载<一>
被这个问题困扰了好几天，今天终于解决。现在我将呈现如何用Struts2整合jasperreport生成pdf文件，并且提供查看和下载功能：
一，制作jasper模版
首先我才用的是ireport4.1.3制作模版，模版代码如下：
<?xml version="1.0" encoding="UTF-8"?><jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="report3" language="groovy" pageWidth="595" pageHeight="842" whenNoDataType="AllSectionsNoDetail" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="0"><property name="ireport.zoom" value="1.0"/><property name="ireport.x" value="0"/><property name="ireport.y" value="263"/><style name="table"><box><pen lineWidth="1.0" lineColor="#000000"/></box></style><style name="table_TH" mode="Opaque" backcolor="#F0F8FF"><box><pen lineWidth="0.5" lineColor="#000000"/></box></style><style name="table_CH" mode="Opaque" backcolor="#BFE1FF"><box><pen lineWidth="0.5" lineColor="#000000"/></box></style><style name="table_TD" mode="Opaque" backcolor="#FFFFFF"><box><pen lineWidth="0.5" lineColor="#000000"/></box></style><subDataset name="Table Dataset 1"/><parameter name="chineseName" splitType="Stretch"><image><reportElement x="0" y="0" width="555" height="807"/><imageExpression><![CDATA["http://10.103.99.6/skypearl/jasreportTemplete/visabackgroundone.jpg"]]></imageExpression></image></band></background><title><band height="491" splitType="Stretch"><staticText><reportElement x="0" y="110" width="555" height="27"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="15" isBold="true" isItalic="false" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/><paragraph lineSpacing="Single"/></textElement><text><![CDATA[南航明珠俱乐部金、银卡认证信]]></text></staticText><staticText><reportElement x="0" y="194" width="555" height="27"/><textElement verticalAlignment="Middle"><font size="10" isBold="true" pdfEncoding="Cp1252" isPdfEmbedded="false"/></textElement><text><![CDATA[Personal Information in the China Southern Airlines Sky Pearl Club ]]></text></staticText><staticText><reportElement x="0" y="221" width="54" height="20"/><textElement verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="false"/></textElement><text><![CDATA[中文姓名]]></text></staticText><staticText><reportElement x="0" y="241" width="54" height="20"/><textElement verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="false"/></textElement><text><![CDATA[英文姓名]]></text></staticText><staticText><reportElement x="0" y="261" width="54" height="24"/><textElement verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="false"/></textElement><text><![CDATA[会员号码]]></text></staticText><staticText><reportElement x="0" y="285" width="54" height="20"/><textElement verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="false"/></textElement><text><![CDATA[会员级别]]></text></staticText><textField isBlankWhenNull="true"><reportElement x="159" y="221" width="396" height="20"/><textElement textAlignment="Left" verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="false"/></textElement><textFieldExpression><![CDATA[$P{chineseName}]]></textFieldExpression></textField><textField isBlankWhenNull="true"><reportElement x="201" y="241" width="354" height="22"/><textElement textAlignment="Left" verticalAlignment="Middle"><font size="12" pdfEncoding="Cp1252" isPdfEmbedded="false"/></textElement><textFieldExpression><![CDATA[$P{englishName}]]></textFieldExpression></textField><textField isBlankWhenNull="true"><reportElement x="180" y="261" width="375" height="24"/><textElement textAlignment="Left" verticalAlignment="Middle"><font size="12" pdfEncoding="Cp1252" isPdfEmbedded="false"/></textElement><textFieldExpression><![CDATA[$P{memberNo}]]></textFieldExpression></textField><textField isBlankWhenNull="true"><reportElement x="159" y="285" width="106" height="20"/><textElement textAlignment="Left" verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><textFieldExpression><![CDATA[$P{memberTier}]]></textFieldExpression></textField><staticText><reportElement x="0" y="305" width="77" height="22"/><textElement verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[会员旅行证件]]></text></staticText><staticText><reportElement style="table_TH" stretchType="RelativeToTallestObject" x="159" y="327" width="293" height="22"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[]]></text></staticText><staticText><reportElement style="table_TH" stretchType="RelativeToTallestObject" x="0" y="349" width="159" height="20"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[]]></text></staticText><staticText><reportElement style="table_TH" stretchType="RelativeToTallestObject" x="0" y="369" width="159" height="20"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[]]></text></staticText><staticText><reportElement style="table_TH" stretchType="RelativeToTallestObject" x="0" y="389" width="164" height="20"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[]]></text></staticText><textField isBlankWhenNull="true"><reportElement style="table_TD" stretchType="RelativeToTallestObject" x="159" y="349" width="293" height="20"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="10"/></textElement><textFieldExpression><![CDATA[$P{IDCard}]]></textFieldExpression></textField><textField isBlankWhenNull="true"><reportElement style="table_TD" stretchType="RelativeToTallestObject" x="159" y="369" width="293" height="20"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="10" isPdfEmbedded="false"/></textElement><textFieldExpression><![CDATA[$P{passport}]]></textFieldExpression></textField><textField isBlankWhenNull="true"><reportElement style="table_TD" stretchType="RelativeToTallestObject" x="159" y="389" width="293" height="20"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="10" isPdfEmbedded="false"/></textElement><textFieldExpression><![CDATA[$P{others}]]></textFieldExpression></textField><staticText><reportElement x="0" y="434" width="575" height="18"/><textElement verticalAlignment="Middle"><font size="10" isBold="true" pdfEncoding="Cp1252" isPdfEmbedded="false"/></textElement><text><![CDATA[Flight Information within the previous 24 month period in the China Southern Airlines Sky Pearl Club]]></text></staticText><staticText><reportElement x="0" y="137" width="555" height="34"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="12" isBold="true" isPdfEmbedded="false"/></textElement><text><![CDATA[China Southern Airlines Sky Pearl Club Gold and Silver Card Letter of Certification]]></text></staticText><staticText><reportElement x="0" y="171" width="555" height="23"/><textElement verticalAlignment="Middle"><font size="10" isBold="true" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[在南航明珠俱乐部登记的个人资料]]></text></staticText><staticText><reportElement x="54" y="221" width="110" height="20"/><textElement verticalAlignment="Middle"><font size="12" pdfEncoding="Cp1252" isPdfEmbedded="false"/></textElement><text><![CDATA[ Name in Chinese: ]]></text></staticText><staticText><reportElement x="51" y="241" width="161" height="22"/><textElement verticalAlignment="Middle"><font size="12" pdfEncoding="Cp1252" isPdfEmbedded="false"/></textElement><text><![CDATA[ Name in English or Pinyin: ]]></text></staticText><staticText><reportElement x="54" y="263" width="136" height="22"/><textElement verticalAlignment="Middle"><font size="12" pdfEncoding="Cp1252" isPdfEmbedded="false"/></textElement><text><![CDATA[ Membership Number:]]></text></staticText><staticText><reportElement x="54" y="285" width="110" height="20"/><textElement verticalAlignment="Middle"><font size="12" pdfEncoding="Cp1252" isPdfEmbedded="false"/></textElement><text><![CDATA[ Membership Tier: ]]></text></staticText><staticText><reportElement x="77" y="305" width="246" height="22"/><textElement verticalAlignment="Middle"><font size="12" pdfEncoding="Cp1252" isPdfEmbedded="false"/></textElement><text><![CDATA[ Member’s Travel Document:]]></text></staticText><staticText><reportElement style="table_TH" x="0" y="327" width="159" height="22"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[]]></text></staticText><staticText><reportElement x="0" y="327" width="54" height="22"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[旅行证件]]></text></staticText><staticText><reportElement x="54" y="327" width="105" height="22"/><textElement textAlignment="Left" verticalAlignment="Middle"><font size="12"/></textElement><text><![CDATA[ Travel Document]]></text></staticText><staticText><reportElement stretchType="RelativeToTallestObject" x="0" y="349" width="54" height="20"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[身份证]]></text></staticText><staticText><reportElement stretchType="RelativeToTallestObject" x="51" y="349" width="108" height="20"/><textElement textAlignment="Left" verticalAlignment="Middle"><font size="12"/></textElement><text><![CDATA[ID Card]]></text></staticText><staticText><reportElement stretchType="RelativeToTallestObject" x="0" y="369" width="54" height="20"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[护照]]></text></staticText><staticText><reportElement stretchType="RelativeToTallestObject" x="54" y="389" width="105" height="20"/><textElement textAlignment="Left" verticalAlignment="Middle"><font size="12"/></textElement><text><![CDATA[Passport]]></text></staticText><staticText><reportElement stretchType="RelativeToTallestObject" x="0" y="389" width="54" height="20"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[其他]]></text></staticText><staticText><reportElement stretchType="RelativeToTallestObject" x="54" y="369" width="105" height="20"/><textElement textAlignment="Left" verticalAlignment="Middle"><font size="12"/></textElement><text><![CDATA[Others]]></text></staticText><staticText><reportElement x="159" y="327" width="139" height="22"/><textElement textAlignment="Right" verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[号码 ]]></text></staticText><staticText><reportElement x="298" y="327" width="154" height="22"/><textElement textAlignment="Left" verticalAlignment="Middle"><font size="12"/></textElement><text><![CDATA[Number]]></text></staticText><staticText><reportElement x="0" y="419" width="575" height="18"/><textElement verticalAlignment="Middle"><font size="10" isBold="true" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[在南航明珠俱乐部登记的24个月内乘机记录]]></text></staticText><textField isBlankWhenNull="true"><reportElement x="201" y="285" width="354" height="20"/><textElement verticalAlignment="Middle"><font size="12"/></textElement><textFieldExpression><![CDATA[$P{memberTierEN}]]></textFieldExpression></textField><image><reportElement x="0" y="0" width="555" height="110"/><imageExpression><![CDATA["http://10.103.99.6/skypearl/jasreportTemplete/yemei.jpg"]]></imageExpression></image><staticText><reportElement style="table_TH" mode="Opaque" x="190" y="461" width="131" height="30"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="12" isBold="true" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="false"/></textElement><text><![CDATA[]]></text></staticText><staticText><reportElement style="table_TH" mode="Opaque" x="0" y="461" width="95" height="30"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="12" isBold="true" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="false"/></textElement><text><![CDATA[]]></text></staticText><staticText><reportElement style="table_TH" mode="Opaque" x="95" y="461" width="95" height="30"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="12" isBold="true" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="false"/></textElement><text><![CDATA[]]></text></staticText><staticText><reportElement style="table_TH" mode="Opaque" x="321" y="461" width="131" height="30"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="12" isBold="true" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="false"/></textElement><text><![CDATA[]]></text></staticText><staticText><reportElement x="0" y="476" width="95" height="15"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="10"/></textElement><text><![CDATA[Date of Flight]]></text></staticText><staticText><reportElement x="95" y="476" width="95" height="15"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="10"/></textElement><text><![CDATA[Flight Number]]></text></staticText><staticText><reportElement x="321" y="461" width="131" height="15"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="10" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[目的地]]></text></staticText><staticText><reportElement x="321" y="476" width="131" height="15"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="10"/></textElement><text><![CDATA[To]]></text></staticText><staticText><reportElement x="190" y="476" width="131" height="15"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="10"/></textElement><text><![CDATA[From]]></text></staticText><staticText><reportElement x="190" y="461" width="131" height="15"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="10" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[始发地]]></text></staticText><staticText><reportElement x="95" y="461" width="95" height="15"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="10" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[航班号]]></text></staticText><staticText><reportElement x="0" y="461" width="95" height="15"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="10" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[航班日期]]></text></staticText></band></title><pageHeader><band splitType="Stretch"/></pageHeader><columnHeader><band/></columnHeader><detail><band height="19" splitType="Stretch"><textField isStretchWithOverflow="true" isBlankWhenNull="true"><reportElement style="table_TD" stretchType="RelativeToTallestObject" x="95" y="0" width="95" height="19"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="10" pdfEncoding="Cp1252" isPdfEmbedded="false"/></textElement><textFieldExpression><![CDATA[$F{flightNumber}]]></textFieldExpression></textField><textField isStretchWithOverflow="true" isBlankWhenNull="true"><reportElement style="table_TD" stretchType="RelativeToTallestObject" x="190" y="0" width="131" height="19"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="10" pdfEncoding="Cp1252" isPdfEmbedded="false"/></textElement><textFieldExpression><![CDATA[$F{departureAirport}]]></textFieldExpression></textField><textField isStretchWithOverflow="true" pattern="yyyy/MM/dd" isBlankWhenNull="true"><reportElement style="table_TD" stretchType="RelativeToTallestObject" x="0" y="0" width="95" height="19"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="10" pdfEncoding="Cp1252" isPdfEmbedded="false"/></textElement><textFieldExpression><![CDATA[$F{flightDate}]]></textFieldExpression></textField><textField isStretchWithOverflow="true" isBlankWhenNull="true"><reportElement style="table_TD" stretchType="RelativeToTallestObject" x="321" y="0" width="131" height="19"/><textElement textAlignment="Center" verticalAlignment="Middle"><font size="10" pdfEncoding="Cp1252" isPdfEmbedded="false"/></textElement><textFieldExpression><![CDATA[$F{arriveAirport}]]></textFieldExpression></textField></band></detail><columnFooter><band/></columnFooter><pageFooter><band height="25" splitType="Stretch"/></pageFooter><lastPageFooter><band height="187"><staticText><reportElement x="0" y="0" width="54" height="22"/><textElement verticalAlignment="Middle"><font size="12" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H" isPdfEmbedded="true"/></textElement><text><![CDATA[申请日期]]></text></staticText><textField isBlankWhenNull="true"><reportElement x="164" y="0" width="389" height="22"/><textElement verticalAlignment="Middle"><font size="12"/></textElement><textFieldExpression><![CDATA[$P{applyDate}]]></textFieldExpression></textField><staticText><reportElement x="54" y="0" width="122" height="22"/><textElement verticalAlignment="Middle"><font size="12" pdfEncoding="Cp1252" isPdfEmbedded="false"/></textElement><text><![CDATA[Date of Application:]]></text></staticText><image><reportElement x="0" y="22" width="553" height="165"/><imageExpression><![CDATA["http://10.103.99.6/skypearl/jasreportTemplete/yejiaoone.jpg"]]></imageExpression></image></band></lastPageFooter><summary><band height="42" splitType="Stretch"/></summary></jasperReport>