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我使用JasperServer和PHP JavaBridge通過JasperServer在PHP中生成PDF報告。我得到的編譯,因爲傳遞到JRXML編譯器丟失(未分配)參數net.sf.jasperreports.engine.design.JRValidationException - 查詢參數未找到
Fatal error: Uncaught [[o:Exception]:
"java.lang.Exception: Invoke failed:
[[c:JasperCompileManager]]->compileReport((o:String)[o:String]).
Cause: net.sf.jasperreports.engine.design.JRValidationException:
**Report design not valid** : 1. **Query parameter not found** : db_field_id VM:
[email protected]://java.sun.com/" at: #-12
net.sf.jasperreports.engine.design.JRAbstractCompiler.verifyDesign(JRAbstractCompiler.java:258)
我不能找到一種方法,我
$params = new Java("java.util.HashMap");
foreach ($jrxml_params as $key => $jr_param) $params->put($key, $jr_param);
則params的列表傳遞給編譯方法,也可以停用此驗證的錯誤通過
$japser_props = new JavaClass("net.sf.jasperreports.engine.util.JRProperties");
$japser_props->COMPILER_XML_VALIDATION = false;
下面是我用它來生成PDF(如果JRXML文件不包含$ P {} pamareters否則停止正常工作)
$class = new JavaClass("java.lang.Class");
$class->forName("com.mysql.jdbc.Driver");
$driverManager = new JavaClass("java.sql.DriverManager");
$conn = $driverManager->getConnection("jdbc:mysql://localhost:3306/XXX?user=XXX&password=1234");
$compileManager = new JavaClass("net.sf.jasperreports.engine.JasperCompileManager");
$report = $compileManager->compileReport(realpath("/www/some.jrxml"));
$params = new Java("java.util.HashMap");
foreach ($jrxml_params as $key => $jr_param) $params->put($key, $jr_param);
$jasperPrint = $fillManager->fillReport($report, $params, $conn);
$exportManager = new JavaClass("net.sf.jasperreports.engine.JasperExportManager");
$outputPath = realpath(".")."/"."output.pdf";
$exportManager->exportReportToPdfFile($jasperPrint, $outputPath);
我如何避免這個錯誤,我知道我需要通過什麼,我不知道一種方法來做到這一點,我不能只是傳遞給fillManager的參數?