如何使用 java 将 json 数组添加到 table 以便我可以传递 cookie？
How to add a json array to a table using java so that I can pass cookies?
我有json这样的对象
{
"data":[
{
"no":1,
"name" : "yuda",
"address" : "surabaya"
},
{
"no":2,
"name":"adi",
"address":"jakarta"
}
],
"comp_name":"TEST CORP",
"title":"Company employee",
"status":"success"
}
我用 http rest API 为 json 服务，我想用 jasper 报告创建报告，如果我将它作为 url JsonQueryExecuterFactory.JSON_SOURCE 传递，我就成功了.
我的问题是我无法在 JSON_SOURCE 中包含会话 cookie，我正在尝试的解决方案是在 java 代码中创建一个 http 请求，然后将其包含在 JsonQueryExecuterFactory.JSON_INPUT_STREAM，但它不起作用，它只显示空白页。即使我将参数从 $P{net.sf.jasperreports.json.source} 更新为 $P{JSON_INPUT_STREAM}，它也不起作用。
This is a full example of loading your json from a http request via java (you can add headers as you like), using a subreport to pass the data node as a subDataSource
示例 URL: http://www.jdd.it/so/jsonTest.json *您的 json 可在此 url
主要报告（jsonMain.jrxml）
<?xml version="1.0" encoding="UTF-8"?>
<jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="JsonMain" pageWidth="595" pageHeight="842" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="15289120-bdf0-4edd-905c-647999c3c0cc">
<property name="com.jaspersoft.studio.data.defaultdataadapter" value="json"/>
<parameter name="SUBREPORT_DIR" class="java.lang.String" isForPrompting="false">
<defaultValueExpression><![CDATA["C:\jdd\..path..to..subreport\"]]></defaultValueExpression>
</parameter>
<queryString language="JSON">
<![CDATA[]]>
</queryString>
<field name="comp_name" class="java.lang.String">
<fieldDescription><![CDATA[comp_name]]></fieldDescription>
</field>
<field name="title" class="java.lang.String">
<fieldDescription><![CDATA[title]]></fieldDescription>
</field>
<field name="status" class="java.lang.String">
<fieldDescription><![CDATA[status]]></fieldDescription>
</field>
<detail>
<band height="40">
<staticText>
<reportElement x="0" y="0" width="115" height="20" uuid="023be3f7-66fc-4718-9ca3-220c16ddc97a"/>
<textElement verticalAlignment="Middle">
<font size="14" isBold="true"/>
</textElement>
<text><![CDATA[Company name:]]></text>
</staticText>
<textField>
<reportElement x="115" y="0" width="103" height="20" uuid="15aadf03-03a1-4c05-8bf9-cdf7db09153c"/>
<textElement verticalAlignment="Middle">
<font size="14" isBold="true"/>
</textElement>
<textFieldExpression><![CDATA[$F{comp_name}]]></textFieldExpression>
</textField>
<subreport>
<reportElement x="0" y="20" width="555" height="20" uuid="c8251ce1-5de4-476f-a4cc-89717d422cc7"/>
<dataSourceExpression><![CDATA[((net.sf.jasperreports.engine.data.JsonDataSource)$P{REPORT_DATA_SOURCE}).subDataSource("data")]]></dataSourceExpression>
<subreportExpression><![CDATA[$P{SUBREPORT_DIR} + "jsonMain_subreport.jasper"]]></subreportExpression>
</subreport>
<staticText>
<reportElement x="218" y="0" width="39" height="20" uuid="4c8d8333-117a-4447-98ac-bfebbd28776a"/>
<textElement verticalAlignment="Middle">
<font size="14" isBold="true"/>
</textElement>
<text><![CDATA[Title:]]></text>
</staticText>
<textField>
<reportElement x="257" y="0" width="154" height="20" uuid="0f266993-1bf3-41cf-8db6-c8b5aaccef74"/>
<textElement verticalAlignment="Middle">
<font size="14" isBold="true"/>
</textElement>
<textFieldExpression><![CDATA[$F{title}]]></textFieldExpression>
</textField>
<staticText>
<reportElement x="411" y="0" width="51" height="20" uuid="9afd4de9-5155-43a6-ae63-337bb77deac8"/>
<textElement verticalAlignment="Middle">
<font size="14" isBold="true"/>
</textElement>
<text><![CDATA[Status:]]></text>
</staticText>
<textField>
<reportElement x="462" y="0" width="93" height="20" uuid="6e8ab3b0-c8eb-40f4-ade8-9dd60e34a721"/>
<textElement verticalAlignment="Middle">
<font size="14" isBold="true"/>
</textElement>
<textFieldExpression><![CDATA[$F{status}]]></textFieldExpression>
</textField>
</band>
</detail>
</jasperReport>
The key is to subDataSource the data node ((net.sf.jasperreports.engine.data.JsonDataSource)$P{REPORT_DATA_SOURCE}).subDataSource("data")
and pass this to subreport
子报表（jsonMain_subreport.jrxml）
<?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="jsonMain_subreport" language="java" pageWidth="555" pageHeight="802" columnWidth="555" leftMargin="0" rightMargin="0" topMargin="0" bottomMargin="0" uuid="9c681432-4547-4fd8-91c1-5634ca368da6">
<field name="no" class="java.lang.String"/>
<field name="name" class="java.lang.String"/>
<field name="address" class="java.lang.String"/>
<columnHeader>
<band height="20" splitType="Stretch">
<staticText>
<reportElement mode="Opaque" x="0" y="0" width="100" height="20" backcolor="#CCCCCC" uuid="3dbc394e-6a5a-45d2-8d53-c9880f3974e7"/>
<box leftPadding="2" rightPadding="2">
<pen lineWidth="0.25"/>
<topPen lineWidth="0.25"/>
<leftPen lineWidth="0.25"/>
<bottomPen lineWidth="0.25"/>
<rightPen lineWidth="0.25"/>
</box>
<textElement verticalAlignment="Middle"/>
<text><![CDATA[No]]></text>
</staticText>
<staticText>
<reportElement mode="Opaque" x="100" y="0" width="167" height="20" backcolor="#CCCCCC" uuid="2c40967a-42d5-439e-a1c3-5d41fd50f906"/>
<box leftPadding="2" rightPadding="2">
<pen lineWidth="0.25"/>
<topPen lineWidth="0.25"/>
<leftPen lineWidth="0.25"/>
<bottomPen lineWidth="0.25"/>
<rightPen lineWidth="0.25"/>
</box>
<textElement verticalAlignment="Middle"/>
<text><![CDATA[Name]]></text>
</staticText>
<staticText>
<reportElement mode="Opaque" x="267" y="0" width="288" height="20" backcolor="#CCCCCC" uuid="0d72063d-6354-4e8d-9f89-52d00d100d3e"/>
<box leftPadding="2" rightPadding="2">
<pen lineWidth="0.25"/>
<topPen lineWidth="0.25"/>
<leftPen lineWidth="0.25"/>
<bottomPen lineWidth="0.25"/>
<rightPen lineWidth="0.25"/>
</box>
<textElement verticalAlignment="Middle"/>
<text><![CDATA[Address]]></text>
</staticText>
</band>
</columnHeader>
<detail>
<band height="20" splitType="Stretch">
<textField>
<reportElement x="0" y="0" width="100" height="20" uuid="e9cc4829-5e9a-4747-a594-489b6230713c"/>
<box leftPadding="2" rightPadding="2">
<pen lineWidth="0.25"/>
<topPen lineWidth="0.25"/>
<leftPen lineWidth="0.25"/>
<bottomPen lineWidth="0.25"/>
<rightPen lineWidth="0.25"/>
</box>
<textElement verticalAlignment="Middle"/>
<textFieldExpression><![CDATA[$F{no}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="100" y="0" width="167" height="20" uuid="1c02f144-1c6c-4704-9bfb-13ac39007841"/>
<box leftPadding="2" rightPadding="2">
<pen lineWidth="0.25"/>
<topPen lineWidth="0.25"/>
<leftPen lineWidth="0.25"/>
<bottomPen lineWidth="0.25"/>
<rightPen lineWidth="0.25"/>
</box>
<textElement verticalAlignment="Middle"/>
<textFieldExpression><![CDATA[$F{name}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="267" y="0" width="288" height="20" uuid="e0b9aff3-c8e3-4895-90a2-339ffb7c856f"/>
<box leftPadding="2" rightPadding="2">
<pen lineWidth="0.25"/>
<topPen lineWidth="0.25"/>
<leftPen lineWidth="0.25"/>
<bottomPen lineWidth="0.25"/>
<rightPen lineWidth="0.25"/>
</box>
<textElement verticalAlignment="Middle"/>
<textFieldExpression><![CDATA[$F{address}]]></textFieldExpression>
</textField>
</band>
</detail>
</jasperReport>
Nothing special in this report, the fields corresponds to the fields in your data node, remember to compile subreport to .jasper before running java code, since .jasper is indicated in main report.
Java代码
//Get our main report
JasperReport report = JasperCompileManager.compileReport("jsonMain.jrxml");
//Open url connection
URLConnection urlConn = new URL("http://www.jdd.it/so/jsonTest.json").openConnection();
//set some cookies
urlConn.setRequestProperty("Cookie", "cookie1=hello; cookie2=world");
//Get the stream
try (InputStream is =urlConn.getInputStream()) {
Map<String, Object> parametersMap = new HashMap<>();
//Pass to parameter map
parametersMap.put(JsonQueryExecuterFactory.JSON_INPUT_STREAM, is);
//Fill report
JasperPrint jasperPrint = JasperFillManager.fillReport(report, parametersMap);
//Export to pdf
JRPdfExporter exporter = new JRPdfExporter();
exporter.setExporterInput(new SimpleExporterInput(jasperPrint));
exporter.setExporterOutput(new SimpleOutputStreamExporterOutput("json.pdf"));
SimplePdfExporterConfiguration configuration = new SimplePdfExporterConfiguration();
configuration.setMetadataAuthor("Me");
exporter.setConfiguration(configuration);
exporter.exportReport();
}
结果
这是在较新的 JasperReports 版本 6.3.1 中使用 http 属性和 JSONQL 执行此操作的方法：
JRXML：
<?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="JsonHttpDataAdapterReport" columnCount="3" pageWidth="595" pageHeight="842" columnWidth="171" leftMargin="40" rightMargin="40" topMargin="50" bottomMargin="50" uuid="b85a2cf8-dd0c-4a31-804c-e7b217f9b42b">
<property name="net.sf.jasperreports.data.adapter" value="JsonHttpDataAdapter.xml"/>
<parameter name="CookieParam" class="java.lang.String" evaluationTime="Early">
<property name="net.sf.jasperreports.http.data.header" value="Cookie"/>
<defaultValueExpression><![CDATA["name1=val1;name2=val2"]]></defaultValueExpression>
</parameter>
<queryString language="jsonql">
<![CDATA[data.*]]>
</queryString>
<field name="CompanyName" class="java.lang.String">
<fieldDescription><![CDATA[$.comp_name]]></fieldDescription>
</field>
<field name="Title" class="java.lang.String">
<fieldDescription><![CDATA[$.title]]></fieldDescription>
</field>
<field name="Number" class="java.lang.String">
<fieldDescription><![CDATA[no]]></fieldDescription>
</field>
<field name="Name" class="java.lang.String">
<fieldDescription><![CDATA[name]]></fieldDescription>
</field>
<field name="Address" class="java.lang.String">
<fieldDescription><![CDATA[address]]></fieldDescription>
</field>
<background>
<band splitType="Stretch"/>
</background>
<title>
<band height="79" splitType="Stretch">
<textField>
<reportElement x="0" y="0" width="280" height="30" uuid="6333da35-2a4b-4373-9838-2d9e71981516"/>
<textElement>
<font size="20"/>
</textElement>
<textFieldExpression><![CDATA[$F{CompanyName}]]></textFieldExpression>
</textField>
</band>
</title>
<pageHeader>
<band height="30" splitType="Stretch">
<textField>
<reportElement x="0" y="0" width="300" height="30" uuid="4062fecd-290c-4790-8f92-868d4c58f054"/>
<textElement>
<font size="16"/>
</textElement>
<textFieldExpression><![CDATA[$F{Title}]]></textFieldExpression>
</textField>
</band>
</pageHeader>
<columnHeader>
<band height="31" splitType="Stretch">
<staticText>
<reportElement mode="Opaque" x="0" y="0" width="80" height="30" backcolor="#A7E9FA" uuid="b66244aa-5ae0-4e24-9b4f-aafd7f5883cc"/>
<box topPadding="5" leftPadding="10" bottomPadding="0" rightPadding="0"/>
<textElement>
<font isBold="true"/>
</textElement>
<text><![CDATA[Number]]></text>
</staticText>
<staticText>
<reportElement mode="Opaque" x="80" y="0" width="185" height="30" backcolor="#A7E9FA" uuid="965b8d2b-2baf-4842-be30-430ae395a8aa"/>
<box topPadding="5" leftPadding="10" bottomPadding="0" rightPadding="0"/>
<textElement>
<font isBold="true"/>
</textElement>
<text><![CDATA[Name]]></text>
</staticText>
<staticText>
<reportElement mode="Opaque" x="265" y="0" width="255" height="30" backcolor="#A7E9FA" uuid="f56fe462-a90f-4228-a243-3222552f7e45"/>
<box topPadding="5" leftPadding="10" bottomPadding="0" rightPadding="0"/>
<textElement>
<font isBold="true"/>
</textElement>
<text><![CDATA[Address]]></text>
</staticText>
</band>
</columnHeader>
<detail>
<band height="30" splitType="Stretch">
<textField>
<reportElement x="0" y="0" width="80" height="30" uuid="6b8a6731-19d4-44ee-b41f-c6977729d334"/>
<box topPadding="5" leftPadding="10"/>
<textFieldExpression><![CDATA[$F{Number}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="80" y="0" width="185" height="30" uuid="6e51e1eb-ff0e-4e2f-aa05-056060901aff"/>
<box topPadding="5" leftPadding="10"/>
<textFieldExpression><![CDATA[$F{Name}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="265" y="0" width="255" height="30" uuid="b79f1a8e-627f-4952-b5eb-632d5db771eb"/>
<box topPadding="5" leftPadding="10"/>
<textFieldExpression><![CDATA[$F{Address}]]></textFieldExpression>
</textField>
</band>
</detail>
</jasperReport>
JsonHttpDataAdapter.xml:
<?xml version="1.0" encoding="UTF-8" ?>
<jsonDataAdapter class="net.sf.jasperreports.data.json.JsonDataAdapterImpl">
<name>JSON Http Data Adapter</name>
<dataFile xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:type="httpDataLocation">
<method>GET</method>
<url>http://domaindotsomething/data.json</url>
</dataFile>
<language>jsonql</language>
<useConnection>true</useConnection>
<timeZone xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:java="http://java.sun.com"
xsi:type="java:java.lang.String">Europe/Bucharest</timeZone>
<locale xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:java="http://java.sun.com"
xsi:type="java:java.lang.String">en_US</locale>
<selectExpression></selectExpression>
</jsonDataAdapter>
并且输出：
编辑： 这应该被视为 JasperReports v6.3.1 API 解决方案，直到发布具有适当支持的新版本的 JasperSoft Studio header properties/parameters。当前最新版本的 JasperSoft Studio，v6.3.1 final，阻止预览带有 URL-based JSON 数据适配器的报告。即使 rebuilding JasperSoft Studio from the 6.3.1 tag with the fix 对于阻止它工作的错误，似乎也不允许此解决方案完全使用基于报告的 http 属性，但只能使用完全配置的 JSON 数据适配器。
我有json这样的对象
{
"data":[
{
"no":1,
"name" : "yuda",
"address" : "surabaya"
},
{
"no":2,
"name":"adi",
"address":"jakarta"
}
],
"comp_name":"TEST CORP",
"title":"Company employee",
"status":"success"
}
我用 http rest API 为 json 服务，我想用 jasper 报告创建报告，如果我将它作为 url JsonQueryExecuterFactory.JSON_SOURCE 传递，我就成功了.
我的问题是我无法在 JSON_SOURCE 中包含会话 cookie，我正在尝试的解决方案是在 java 代码中创建一个 http 请求，然后将其包含在 JsonQueryExecuterFactory.JSON_INPUT_STREAM，但它不起作用，它只显示空白页。即使我将参数从 $P{net.sf.jasperreports.json.source} 更新为 $P{JSON_INPUT_STREAM}，它也不起作用。
This is a full example of loading your json from a http request via java (you can add headers as you like), using a subreport to pass the
datanode as asubDataSource
示例 URL: http://www.jdd.it/so/jsonTest.json *您的 json 可在此 url
主要报告（jsonMain.jrxml）
<?xml version="1.0" encoding="UTF-8"?>
<jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="JsonMain" pageWidth="595" pageHeight="842" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="15289120-bdf0-4edd-905c-647999c3c0cc">
<property name="com.jaspersoft.studio.data.defaultdataadapter" value="json"/>
<parameter name="SUBREPORT_DIR" class="java.lang.String" isForPrompting="false">
<defaultValueExpression><![CDATA["C:\jdd\..path..to..subreport\"]]></defaultValueExpression>
</parameter>
<queryString language="JSON">
<![CDATA[]]>
</queryString>
<field name="comp_name" class="java.lang.String">
<fieldDescription><![CDATA[comp_name]]></fieldDescription>
</field>
<field name="title" class="java.lang.String">
<fieldDescription><![CDATA[title]]></fieldDescription>
</field>
<field name="status" class="java.lang.String">
<fieldDescription><![CDATA[status]]></fieldDescription>
</field>
<detail>
<band height="40">
<staticText>
<reportElement x="0" y="0" width="115" height="20" uuid="023be3f7-66fc-4718-9ca3-220c16ddc97a"/>
<textElement verticalAlignment="Middle">
<font size="14" isBold="true"/>
</textElement>
<text><![CDATA[Company name:]]></text>
</staticText>
<textField>
<reportElement x="115" y="0" width="103" height="20" uuid="15aadf03-03a1-4c05-8bf9-cdf7db09153c"/>
<textElement verticalAlignment="Middle">
<font size="14" isBold="true"/>
</textElement>
<textFieldExpression><![CDATA[$F{comp_name}]]></textFieldExpression>
</textField>
<subreport>
<reportElement x="0" y="20" width="555" height="20" uuid="c8251ce1-5de4-476f-a4cc-89717d422cc7"/>
<dataSourceExpression><![CDATA[((net.sf.jasperreports.engine.data.JsonDataSource)$P{REPORT_DATA_SOURCE}).subDataSource("data")]]></dataSourceExpression>
<subreportExpression><![CDATA[$P{SUBREPORT_DIR} + "jsonMain_subreport.jasper"]]></subreportExpression>
</subreport>
<staticText>
<reportElement x="218" y="0" width="39" height="20" uuid="4c8d8333-117a-4447-98ac-bfebbd28776a"/>
<textElement verticalAlignment="Middle">
<font size="14" isBold="true"/>
</textElement>
<text><![CDATA[Title:]]></text>
</staticText>
<textField>
<reportElement x="257" y="0" width="154" height="20" uuid="0f266993-1bf3-41cf-8db6-c8b5aaccef74"/>
<textElement verticalAlignment="Middle">
<font size="14" isBold="true"/>
</textElement>
<textFieldExpression><![CDATA[$F{title}]]></textFieldExpression>
</textField>
<staticText>
<reportElement x="411" y="0" width="51" height="20" uuid="9afd4de9-5155-43a6-ae63-337bb77deac8"/>
<textElement verticalAlignment="Middle">
<font size="14" isBold="true"/>
</textElement>
<text><![CDATA[Status:]]></text>
</staticText>
<textField>
<reportElement x="462" y="0" width="93" height="20" uuid="6e8ab3b0-c8eb-40f4-ade8-9dd60e34a721"/>
<textElement verticalAlignment="Middle">
<font size="14" isBold="true"/>
</textElement>
<textFieldExpression><![CDATA[$F{status}]]></textFieldExpression>
</textField>
</band>
</detail>
</jasperReport>
The key is to
subDataSourcethedatanode((net.sf.jasperreports.engine.data.JsonDataSource)$P{REPORT_DATA_SOURCE}).subDataSource("data")and pass this to subreport
子报表（jsonMain_subreport.jrxml）
<?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="jsonMain_subreport" language="java" pageWidth="555" pageHeight="802" columnWidth="555" leftMargin="0" rightMargin="0" topMargin="0" bottomMargin="0" uuid="9c681432-4547-4fd8-91c1-5634ca368da6">
<field name="no" class="java.lang.String"/>
<field name="name" class="java.lang.String"/>
<field name="address" class="java.lang.String"/>
<columnHeader>
<band height="20" splitType="Stretch">
<staticText>
<reportElement mode="Opaque" x="0" y="0" width="100" height="20" backcolor="#CCCCCC" uuid="3dbc394e-6a5a-45d2-8d53-c9880f3974e7"/>
<box leftPadding="2" rightPadding="2">
<pen lineWidth="0.25"/>
<topPen lineWidth="0.25"/>
<leftPen lineWidth="0.25"/>
<bottomPen lineWidth="0.25"/>
<rightPen lineWidth="0.25"/>
</box>
<textElement verticalAlignment="Middle"/>
<text><![CDATA[No]]></text>
</staticText>
<staticText>
<reportElement mode="Opaque" x="100" y="0" width="167" height="20" backcolor="#CCCCCC" uuid="2c40967a-42d5-439e-a1c3-5d41fd50f906"/>
<box leftPadding="2" rightPadding="2">
<pen lineWidth="0.25"/>
<topPen lineWidth="0.25"/>
<leftPen lineWidth="0.25"/>
<bottomPen lineWidth="0.25"/>
<rightPen lineWidth="0.25"/>
</box>
<textElement verticalAlignment="Middle"/>
<text><![CDATA[Name]]></text>
</staticText>
<staticText>
<reportElement mode="Opaque" x="267" y="0" width="288" height="20" backcolor="#CCCCCC" uuid="0d72063d-6354-4e8d-9f89-52d00d100d3e"/>
<box leftPadding="2" rightPadding="2">
<pen lineWidth="0.25"/>
<topPen lineWidth="0.25"/>
<leftPen lineWidth="0.25"/>
<bottomPen lineWidth="0.25"/>
<rightPen lineWidth="0.25"/>
</box>
<textElement verticalAlignment="Middle"/>
<text><![CDATA[Address]]></text>
</staticText>
</band>
</columnHeader>
<detail>
<band height="20" splitType="Stretch">
<textField>
<reportElement x="0" y="0" width="100" height="20" uuid="e9cc4829-5e9a-4747-a594-489b6230713c"/>
<box leftPadding="2" rightPadding="2">
<pen lineWidth="0.25"/>
<topPen lineWidth="0.25"/>
<leftPen lineWidth="0.25"/>
<bottomPen lineWidth="0.25"/>
<rightPen lineWidth="0.25"/>
</box>
<textElement verticalAlignment="Middle"/>
<textFieldExpression><![CDATA[$F{no}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="100" y="0" width="167" height="20" uuid="1c02f144-1c6c-4704-9bfb-13ac39007841"/>
<box leftPadding="2" rightPadding="2">
<pen lineWidth="0.25"/>
<topPen lineWidth="0.25"/>
<leftPen lineWidth="0.25"/>
<bottomPen lineWidth="0.25"/>
<rightPen lineWidth="0.25"/>
</box>
<textElement verticalAlignment="Middle"/>
<textFieldExpression><![CDATA[$F{name}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="267" y="0" width="288" height="20" uuid="e0b9aff3-c8e3-4895-90a2-339ffb7c856f"/>
<box leftPadding="2" rightPadding="2">
<pen lineWidth="0.25"/>
<topPen lineWidth="0.25"/>
<leftPen lineWidth="0.25"/>
<bottomPen lineWidth="0.25"/>
<rightPen lineWidth="0.25"/>
</box>
<textElement verticalAlignment="Middle"/>
<textFieldExpression><![CDATA[$F{address}]]></textFieldExpression>
</textField>
</band>
</detail>
</jasperReport>
Nothing special in this report, the fields corresponds to the fields in your
datanode, remember to compile subreport to.jasperbefore running java code, since.jasperis indicated in main report.
Java代码
//Get our main report
JasperReport report = JasperCompileManager.compileReport("jsonMain.jrxml");
//Open url connection
URLConnection urlConn = new URL("http://www.jdd.it/so/jsonTest.json").openConnection();
//set some cookies
urlConn.setRequestProperty("Cookie", "cookie1=hello; cookie2=world");
//Get the stream
try (InputStream is =urlConn.getInputStream()) {
Map<String, Object> parametersMap = new HashMap<>();
//Pass to parameter map
parametersMap.put(JsonQueryExecuterFactory.JSON_INPUT_STREAM, is);
//Fill report
JasperPrint jasperPrint = JasperFillManager.fillReport(report, parametersMap);
//Export to pdf
JRPdfExporter exporter = new JRPdfExporter();
exporter.setExporterInput(new SimpleExporterInput(jasperPrint));
exporter.setExporterOutput(new SimpleOutputStreamExporterOutput("json.pdf"));
SimplePdfExporterConfiguration configuration = new SimplePdfExporterConfiguration();
configuration.setMetadataAuthor("Me");
exporter.setConfiguration(configuration);
exporter.exportReport();
}
结果
这是在较新的 JasperReports 版本 6.3.1 中使用 http 属性和 JSONQL 执行此操作的方法：
JRXML：
<?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="JsonHttpDataAdapterReport" columnCount="3" pageWidth="595" pageHeight="842" columnWidth="171" leftMargin="40" rightMargin="40" topMargin="50" bottomMargin="50" uuid="b85a2cf8-dd0c-4a31-804c-e7b217f9b42b">
<property name="net.sf.jasperreports.data.adapter" value="JsonHttpDataAdapter.xml"/>
<parameter name="CookieParam" class="java.lang.String" evaluationTime="Early">
<property name="net.sf.jasperreports.http.data.header" value="Cookie"/>
<defaultValueExpression><![CDATA["name1=val1;name2=val2"]]></defaultValueExpression>
</parameter>
<queryString language="jsonql">
<![CDATA[data.*]]>
</queryString>
<field name="CompanyName" class="java.lang.String">
<fieldDescription><![CDATA[$.comp_name]]></fieldDescription>
</field>
<field name="Title" class="java.lang.String">
<fieldDescription><![CDATA[$.title]]></fieldDescription>
</field>
<field name="Number" class="java.lang.String">
<fieldDescription><![CDATA[no]]></fieldDescription>
</field>
<field name="Name" class="java.lang.String">
<fieldDescription><![CDATA[name]]></fieldDescription>
</field>
<field name="Address" class="java.lang.String">
<fieldDescription><![CDATA[address]]></fieldDescription>
</field>
<background>
<band splitType="Stretch"/>
</background>
<title>
<band height="79" splitType="Stretch">
<textField>
<reportElement x="0" y="0" width="280" height="30" uuid="6333da35-2a4b-4373-9838-2d9e71981516"/>
<textElement>
<font size="20"/>
</textElement>
<textFieldExpression><![CDATA[$F{CompanyName}]]></textFieldExpression>
</textField>
</band>
</title>
<pageHeader>
<band height="30" splitType="Stretch">
<textField>
<reportElement x="0" y="0" width="300" height="30" uuid="4062fecd-290c-4790-8f92-868d4c58f054"/>
<textElement>
<font size="16"/>
</textElement>
<textFieldExpression><![CDATA[$F{Title}]]></textFieldExpression>
</textField>
</band>
</pageHeader>
<columnHeader>
<band height="31" splitType="Stretch">
<staticText>
<reportElement mode="Opaque" x="0" y="0" width="80" height="30" backcolor="#A7E9FA" uuid="b66244aa-5ae0-4e24-9b4f-aafd7f5883cc"/>
<box topPadding="5" leftPadding="10" bottomPadding="0" rightPadding="0"/>
<textElement>
<font isBold="true"/>
</textElement>
<text><![CDATA[Number]]></text>
</staticText>
<staticText>
<reportElement mode="Opaque" x="80" y="0" width="185" height="30" backcolor="#A7E9FA" uuid="965b8d2b-2baf-4842-be30-430ae395a8aa"/>
<box topPadding="5" leftPadding="10" bottomPadding="0" rightPadding="0"/>
<textElement>
<font isBold="true"/>
</textElement>
<text><![CDATA[Name]]></text>
</staticText>
<staticText>
<reportElement mode="Opaque" x="265" y="0" width="255" height="30" backcolor="#A7E9FA" uuid="f56fe462-a90f-4228-a243-3222552f7e45"/>
<box topPadding="5" leftPadding="10" bottomPadding="0" rightPadding="0"/>
<textElement>
<font isBold="true"/>
</textElement>
<text><![CDATA[Address]]></text>
</staticText>
</band>
</columnHeader>
<detail>
<band height="30" splitType="Stretch">
<textField>
<reportElement x="0" y="0" width="80" height="30" uuid="6b8a6731-19d4-44ee-b41f-c6977729d334"/>
<box topPadding="5" leftPadding="10"/>
<textFieldExpression><![CDATA[$F{Number}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="80" y="0" width="185" height="30" uuid="6e51e1eb-ff0e-4e2f-aa05-056060901aff"/>
<box topPadding="5" leftPadding="10"/>
<textFieldExpression><![CDATA[$F{Name}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="265" y="0" width="255" height="30" uuid="b79f1a8e-627f-4952-b5eb-632d5db771eb"/>
<box topPadding="5" leftPadding="10"/>
<textFieldExpression><![CDATA[$F{Address}]]></textFieldExpression>
</textField>
</band>
</detail>
</jasperReport>
JsonHttpDataAdapter.xml:
<?xml version="1.0" encoding="UTF-8" ?>
<jsonDataAdapter class="net.sf.jasperreports.data.json.JsonDataAdapterImpl">
<name>JSON Http Data Adapter</name>
<dataFile xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:type="httpDataLocation">
<method>GET</method>
<url>http://domaindotsomething/data.json</url>
</dataFile>
<language>jsonql</language>
<useConnection>true</useConnection>
<timeZone xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:java="http://java.sun.com"
xsi:type="java:java.lang.String">Europe/Bucharest</timeZone>
<locale xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:java="http://java.sun.com"
xsi:type="java:java.lang.String">en_US</locale>
<selectExpression></selectExpression>
</jsonDataAdapter>
并且输出：
编辑： 这应该被视为 JasperReports v6.3.1 API 解决方案，直到发布具有适当支持的新版本的 JasperSoft Studio header properties/parameters。当前最新版本的 JasperSoft Studio，v6.3.1 final，阻止预览带有 URL-based JSON 数据适配器的报告。即使 rebuilding JasperSoft Studio from the 6.3.1 tag with the fix 对于阻止它工作的错误，似乎也不允许此解决方案完全使用基于报告的 http 属性，但只能使用完全配置的 JSON 数据适配器。