From c135c7e5703ca326a650408dad6aab1a5a2df667 Mon Sep 17 00:00:00 2001
From: pengcheng <1432755665@qq.com>
Date: Wed, 20 Nov 2019 08:38:38 +0800
Subject: [PATCH] pdf预览完成
---
src/main/java/com/huaheng/framework/jasper/JasperConfig.java | 28 +++++++++++++---------------
src/main/java/com/huaheng/framework/jasper/JasperReportsPdfView.java | 95 -----------------------------------------------------------------------------------------------
2 files changed, 13 insertions(+), 110 deletions(-)
delete mode 100644 src/main/java/com/huaheng/framework/jasper/JasperReportsPdfView.java
diff --git a/src/main/java/com/huaheng/framework/jasper/JasperConfig.java b/src/main/java/com/huaheng/framework/jasper/JasperConfig.java
index d259ae0..3e95fdd 100644
--- a/src/main/java/com/huaheng/framework/jasper/JasperConfig.java
+++ b/src/main/java/com/huaheng/framework/jasper/JasperConfig.java
@@ -39,20 +39,18 @@ public class JasperConfig {
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);
-
- JasperReportsPdfView jasperReportsPdfView = new JasperReportsPdfView("jaspers/mypage.jasper","mypage.pdf");
- jasperReportsPdfView.renderMergedOutputModel(parameters,request,response);
+ 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);
+
}
}
diff --git a/src/main/java/com/huaheng/framework/jasper/JasperReportsPdfView.java b/src/main/java/com/huaheng/framework/jasper/JasperReportsPdfView.java
deleted file mode 100644
index f931dfd..0000000
--- a/src/main/java/com/huaheng/framework/jasper/JasperReportsPdfView.java
+++ /dev/null
@@ -1,95 +0,0 @@
-package com.huaheng.framework.jasper;
-
-import net.sf.jasperreports.engine.*;
-import org.springframework.web.servlet.view.AbstractView;
-
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.UnsupportedEncodingException;
-import java.net.URLEncoder;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * 通用导出PDF视图类
- * @author ricard
- * @time 19/11/15
- *
- */
-public class JasperReportsPdfView extends AbstractView {
- //继承AbstractView
-
- //内容类型，即格式
- private static final String CONTENT_TYPE = "application/pdf";
-
- //模板路径
- private String templatePath;
-
- //导出文件名
- private String exportFileName;
-
-
- //重置构造方法
- public JasperReportsPdfView(String templatePath,String exportFileName){
- this.templatePath = templatePath;
- if (exportFileName != null) {
- try {
- exportFileName = URLEncoder.encode(exportFileName, "UTF-8");
- } catch (UnsupportedEncodingException e) {
- e.printStackTrace();
- }
- }
- this.exportFileName = exportFileName;
- setContentType(CONTENT_TYPE);
- }
-
-
- public Map<String,Object> getParamsMap(Map<String,Object> map) throws Exception{
- Map<String,Object> params =new HashMap<>();
- for(String key : map.keySet()){
- Object val = map.get(key);
- if(val instanceof JRDataSource){
- continue;
- }else {
- params.put(key,val);
- }
- }
- return params;
- }
-
-
- protected JRDataSource getDataSource(Map<String,Object> map) throws Exception{
- for(String key : map.keySet()){
- Object val = map.get(key);
- if(val instanceof JRDataSource){
- return (JRDataSource) map.get(key);
- }
- }
- return new JREmptyDataSource();
- }
-
- @Override
- protected void renderMergedOutputModel(Map<String, Object> map, HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception {
-
- //设置编码和格式
- httpServletResponse.setCharacterEncoding("utf-8");
- httpServletResponse.setContentType(getContentType());
- httpServletResponse.setHeader("content-disposition","attachment;filename=" + exportFileName);
-
- try(
- InputStream inputStream = Thread.currentThread().getContextClassLoader().getResourceAsStream(templatePath)
- ){
- try(OutputStream outputStream = httpServletResponse.getOutputStream()){
- JasperPrint jasperPrint = JasperFillManager.fillReport(inputStream,getParamsMap(map),getDataSource(map));
- JasperExportManager.exportReportToPdfStream(jasperPrint,outputStream);
- }catch (IOException e){
- e.printStackTrace();
- }
- }catch (IOException e){
- e.printStackTrace();
- }
- }
-}
--
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