使用KTOR后端创建JasperReports
我被困在创建PDF报告中。我与Jaspersoft Studio创建了一个报告。现在,我想使用我的KTOR后端填写报告。要激活该功能,我正在使用Postman。我将此[ /report /1]发送到我的后端。
结果,我收到此错误消息:
net.sf.jasperreports.engine.jrexception:加载时找不到类 来自文件的对象:c:\ path \ test.jasper。
要填写报告,我使用以下功能:
fun createReport (userID: String) {
val id = userID
JasperCreate(id)
}
fun JasperCreate (userid: String) {
val parameters = HashMap<String, Any>()
parameters.put("ID", userid)
val path = "C://MyFlowDemo/Jasper/Vorlage/Test.jasper"
val connection = DriverManager.getConnection("jdbc:mysql://localhost/htz", "android", "myflow")
val jasperPrint = JasperFillManager.fillReport(path, parameters, connection)
JasperReport(jasperPrint)
}
fun JasperReport (jasperPrint: JasperPrint) {
val exporter = JRPdfExporter()
exporter.setExporterInput(SimpleExporterInput(jasperPrint))
exporter.setExporterOutput(SimpleOutputStreamExporterOutput("C://MyFlowDemo/Dokument/Test.pdf"))
val configuration = SimplePdfExporterConfiguration()
exporter.setConfiguration(configuration)
exporter.exportReport()
}
// JasperReport
get("/report/{p1}") {
val pUserID = call.parameters["p1"]
db.createReport(pUserID!!)
call.respondText { "Report finished" }
}
当我使用Jaspersoft Studio创建test.jasper的PDF时,我发送ID 1以创建PDF并起作用。
任何人都知道,找不到哪个课程,或者我如何找出需要哪个类?
I got stuck in creating PDF reports. I created a report with Jaspersoft Studio. Now, I want to fill the reports using my Ktor back-end. To activate the function, I'm using postman. I send this [ /report/1 ] with get to my back-end.
As result, i get this error message:
net.sf.jasperreports.engine.JRException: Class not found when loading
object from file: C:\path\Test.jasper.
To fill the report, I use these functions:
fun createReport (userID: String) {
val id = userID
JasperCreate(id)
}
fun JasperCreate (userid: String) {
val parameters = HashMap<String, Any>()
parameters.put("ID", userid)
val path = "C://MyFlowDemo/Jasper/Vorlage/Test.jasper"
val connection = DriverManager.getConnection("jdbc:mysql://localhost/htz", "android", "myflow")
val jasperPrint = JasperFillManager.fillReport(path, parameters, connection)
JasperReport(jasperPrint)
}
fun JasperReport (jasperPrint: JasperPrint) {
val exporter = JRPdfExporter()
exporter.setExporterInput(SimpleExporterInput(jasperPrint))
exporter.setExporterOutput(SimpleOutputStreamExporterOutput("C://MyFlowDemo/Dokument/Test.pdf"))
val configuration = SimplePdfExporterConfiguration()
exporter.setConfiguration(configuration)
exporter.exportReport()
}
// JasperReport
get("/report/{p1}") {
val pUserID = call.parameters["p1"]
db.createReport(pUserID!!)
call.respondText { "Report finished" }
}
When I create a PDF of Test.jasper with Jaspersoft Studio, I send ID 1 to create a PDF and it works.
Anyone knows, which class is not found or how I find out which class is needed?
如果你对这篇内容有疑问,欢迎到本站社区发帖提问 参与讨论,获取更多帮助,或者扫码二维码加入 Web 技术交流群。

绑定邮箱获取回复消息
由于您还没有绑定你的真实邮箱,如果其他用户或者作者回复了您的评论,将不能在第一时间通知您!
发布评论