JasperConfig.java
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package com.huaheng.framework.jasper;
import com.huaheng.pc.inventory.inventoryDetail.service.InventoryDetailService;
import net.sf.jasperreports.engine.*;
import net.sf.jasperreports.engine.util.JRLoader;
import org.springframework.core.io.ClassPathResource;
import org.springframework.web.bind.annotation.*;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.sql.DataSource;
import java.io.*;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.Map;
@RestController
@RequestMapping("/api/jasper")
public class JasperConfig {
@Resource
private DataSource dataSource;
@Resource
private InventoryDetailService inventoryDetailService;
/**
* 转换为pdf展示
*
* @param reportName
* @param parameters
* @param response
* @throws SQLException
* @throws ClassNotFoundException
* @throws JRException
* @throws IOException
*/
@GetMapping("/{reportName}")
public void getReportByParam(
@PathVariable("reportName") final String reportName,
@RequestParam(required = false) Map<String, Object> parameters,
HttpServletRequest request,
HttpServletResponse response) throws Exception {
// parameters = parameters == null ? new HashMap<>() : parameters;
// //获取文件流
// ClassPathResource resource = new ClassPathResource("jaspers" + File.separator + reportName + ".jasper");
// InputStream jasperStream = resource.getInputStream();
//
// JasperReport jasperReport = (JasperReport) JRLoader.loadObject(jasperStream);
// JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, parameters, dataSource.getConnection());
// // JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, null, new JREmptyDataSource());
// response.setContentType("application/pdf");
// response.setHeader("Content-Disposition", "inline;");
// final OutputStream outputStream = response.getOutputStream();
// JasperExportManager.exportReportToPdfStream(jasperPrint, outputStream);
parameters = inventoryDetailService.getinventory();
JasperReportsPdfView jasperReportsPdfView = new JasperReportsPdfView("jaspers/mypage.jasper","mypage.pdf");
jasperReportsPdfView.renderMergedOutputModel(parameters,request,response);
}
}