Jaspersoft 报表: 基于JDBC填充报表数据

男娘i 2023-10-18 19:03 68阅读 0赞

第一步：在Jaspersoft Studio工具中新建JDBC数据源

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70][]

然后Next ，选择 Database JDBC Connection.

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70 1][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70 2][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70 3][]

点击Test 显示 Successful! ，然后Finish!

第二步： 新建报表模板

1、新建报表模板人report3.jrxml,只保留Title Band 和 Detail Band.

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70 4][]

2、模板右键 -> Dataset and QueryDialog

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70 5][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70 6][]

点击OK 后，在outline中生成Field.

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70 7][]

将id,name等拖入到 Detail 1 Band中设计模板如下：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70 8][]

点击preview ,显示如下：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70 9][]

**二、通过SpringBoot程序，使用JDBC作为数据源生成报表**

**![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70 10][]**

**核心代码：**

package com.zzg.report;
    
    import java.io.File;
    import java.io.IOException;
    import java.io.InputStream;
    import java.sql.Connection;
    import java.sql.DriverManager;
    import java.util.HashMap;
    import java.util.Map;
    
    import javax.servlet.ServletOutputStream;
    import javax.servlet.http.HttpServletResponse;
    
    import org.springframework.core.io.ClassPathResource;
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.PathVariable;
    import org.springframework.web.bind.annotation.RequestMapping;
    import net.sf.jasperreports.engine.JasperRunManager;
    
    @Controller
    @RequestMapping("/api/jdbc")
    public class JDBCController {
    	@RequestMapping("/{reportName}")
    	public void getReportByParam(@PathVariable("reportName") final String reportName, HttpServletResponse response) {
    		ServletOutputStream sosRef = null;
    		// jdbc 连接获取
    		try {
    			String url = "jdbc:mysql://****:3306/boot-setting?serverTimezone=UTC&useSSL=false&allowPublicKeyRetrieval=true";
    			Class.forName("com.mysql.cj.jdbc.Driver");
    			Connection conn = DriverManager.getConnection(url, "root", "****");
    
    			// 获取文件流
    			ClassPathResource resource = new ClassPathResource("jaspers" + File.separator + reportName + ".jasper");
    			InputStream jasperStream = resource.getInputStream();
    
    			sosRef = response.getOutputStream();
    
    			JasperRunManager.runReportToPdfStream(jasperStream, sosRef, null, conn);
    			response.setContentType("application/pdf");
    		} catch (Exception e) {
    			e.printStackTrace();
    		} finally {
    			try {
    				sosRef.flush();
    				sosRef.close();
    			} catch (IOException e) {
    				// TODO Auto-generated catch block
    				e.printStackTrace();
    			}
    		}
    
    	}
    
    }

pom 文件核心依赖包：

<dependency>
    			<groupId>net.sf.jasperreports</groupId>
    			<artifactId>jasperreports</artifactId>
    			<version>6.6.0</version>
    		</dependency>
    
    		<dependency>
    			<groupId>com.zzg.report</groupId>
    			<artifactId>font</artifactId>
    			<version>1.0.0</version>
    		</dependency>

效果展示：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70 11][]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20190525112430594.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3pob3V6aGl3ZW5nYW5n,size_16,color_FFFFFF,t_70
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