feat: 学生评价报告 pdf 导出

pom.xml

@@ -42,6 +42,24 @@
             <artifactId>spring-boot-configuration-processor</artifactId>
         </dependency>
 
+        <!-- pdf操作类 -->
+        <dependency>
+            <groupId>com.itextpdf</groupId>
+            <artifactId>itextpdf</artifactId>
+            <version>5.5.10</version>
+        </dependency>
+        <dependency>
+            <groupId>com.itextpdf</groupId>
+            <artifactId>itext-asian</artifactId>
+            <version>5.2.0</version>
+        </dependency>
+        <!--用于jfreechart制作统计图  -->
+        <dependency>
+            <groupId>org.jfree</groupId>
+            <artifactId>jfreechart</artifactId>
+            <version>1.5.0</version>
+        </dependency>
+
         <dependency>
             <groupId>com.squareup.okhttp3</groupId>
             <artifactId>okhttp</artifactId>

src/main/java/cn/teammodel/controller/frontend/AppraiseController.java

@@ -7,6 +7,7 @@ import cn.teammodel.model.entity.appraise.Appraise;
 import cn.teammodel.model.vo.appraise.AppraiseRecordVo;
 import cn.teammodel.model.vo.appraise.StudentReportVo;
 import cn.teammodel.service.EvaluationService;
+import com.itextpdf.text.DocumentException;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -15,7 +16,9 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 import javax.annotation.Resource;
+import javax.servlet.http.HttpServletResponse;
 import javax.validation.Valid;
+import java.io.IOException;
 import java.util.List;
 
 /**
@@ -83,6 +86,9 @@ public class AppraiseController {
         return R.success(res);
     }
 
-
-
+    @PostMapping("studentReportPDF")
+    @ApiOperation(value = "导出学生当前的学期的实时评价报告 PDF")
+    public void exportStuReportPdf(@Valid @RequestBody IdRequest idRequest, HttpServletResponse response) throws DocumentException, IOException {
+        evaluationService.exportStuReportPdf(idRequest, response);
+    }
 }

src/main/java/cn/teammodel/controller/frontend/HelloController.java

@@ -1,7 +1,11 @@
 package cn.teammodel.controller.frontend;
 
+import cn.hutool.core.map.MapUtil;
 import cn.teammodel.common.R;
 import cn.teammodel.repository.AppraiseRepository;
+import cn.teammodel.service.EvaluationService;
+import cn.teammodel.utils.PdfUtil;
+import com.itextpdf.text.DocumentException;
 import io.swagger.annotations.Api;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.security.core.context.SecurityContextHolder;
@@ -10,12 +14,17 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 import javax.annotation.Resource;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.util.Map;
 
 @RestController
 @RequestMapping("/")
 @Api(tags = "鉴权测试")
 public class HelloController {
 
+    @Resource
+    private EvaluationService evaluationService;
     @Resource
     private AppraiseRepository appraiseRepository;
 
@@ -31,4 +40,12 @@ public class HelloController {
     public R<String> free() {
         return new R(200, "success","hello world");
     }
+
+    @GetMapping("public/pdf")
+    public void freepdf(HttpServletResponse response) throws DocumentException, IOException {
+        Map<String, String> data = MapUtil.ofEntries(MapUtil.entry("Text1", "1000"), MapUtil.entry("Text2", "2000"), MapUtil.entry("Text3", "3000"));
+        PdfUtil.fillStudentPdfForm(data, response);
+    }
+
+
 }

src/main/java/cn/teammodel/service/EvaluationService.java

@@ -6,7 +6,10 @@ import cn.teammodel.model.entity.appraise.Appraise;
 import cn.teammodel.model.entity.appraise.AppraiseTreeNode;
 import cn.teammodel.model.vo.appraise.AppraiseRecordVo;
 import cn.teammodel.model.vo.appraise.StudentReportVo;
+import com.itextpdf.text.DocumentException;
 
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
 import java.util.List;
 
 /**
@@ -59,4 +62,6 @@ public interface EvaluationService {
     * 学生评价报告
     */
     StudentReportVo studentReport(IdRequest idRequest);
+
+    void exportStuReportPdf(IdRequest idRequest, HttpServletResponse response) throws IOException, DocumentException;
 }

src/main/java/cn/teammodel/service/impl/EvaluationServiceImpl.java

@@ -22,6 +22,7 @@ import cn.teammodel.utils.RepositoryUtil;
 import cn.teammodel.utils.SchoolDateUtil;
 import com.azure.cosmos.models.CosmosPatchOperations;
 import com.azure.spring.data.cosmos.core.query.CosmosPageRequest;
+import com.itextpdf.text.DocumentException;
 import org.apache.commons.lang3.ObjectUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.data.domain.Page;
@@ -29,6 +30,9 @@ import org.springframework.data.domain.Sort;
 import org.springframework.stereotype.Service;
 
 import javax.annotation.Resource;
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
 import java.time.Instant;
 import java.time.LocalDate;
 import java.util.*;
@@ -602,6 +606,14 @@ public class EvaluationServiceImpl implements EvaluationService {
                 .build();
     }
 
+    @Override
+    public void exportStuReportPdf(IdRequest idRequest, HttpServletResponse response) throws IOException, DocumentException{
+
+
+        ServletOutputStream os = response.getOutputStream();
+
+    }
+
     /**
     * 递归收集 id 的节点及 id 节点的孩子节点 (迭代器删除居然也报错)
     */

src/main/java/cn/teammodel/utils/PdfUtil.java

@@ -0,0 +1,43 @@
+package cn.teammodel.utils;
+
+import com.itextpdf.text.DocumentException;
+import com.itextpdf.text.pdf.AcroFields;
+import com.itextpdf.text.pdf.PdfReader;
+import com.itextpdf.text.pdf.PdfStamper;
+import org.springframework.core.io.ClassPathResource;
+
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.Map;
+
+/**
+ * @author winter
+ * @create 2024-01-24 16:02
+ */
+public class PdfUtil {
+
+    public static void fillStudentPdfForm(Map<String, String> data, HttpServletResponse response) throws IOException, DocumentException {
+        response.reset();
+        response.setContentType("application/pdf");
+        response.setHeader("Content-disposition",
+                "attachment;filename=report_student_" + System.currentTimeMillis() + ".pdf");
+
+        ClassPathResource resource = new ClassPathResource("templates/pdf_templates/template.pdf");
+        InputStream in = resource.getInputStream();
+        ServletOutputStream os = response.getOutputStream();
+        fillPdfForm(in, os, data);
+    }
+    public static void fillPdfForm(InputStream in, OutputStream os, Map<String, String> data) throws IOException, DocumentException {
+        PdfReader pdfReader = new PdfReader(in);
+        PdfStamper stamper = new PdfStamper(pdfReader, os);
+        AcroFields fields = stamper.getAcroFields();
+        for (Map.Entry<String, String> entry : data.entrySet()) {
+            fields.setField(entry.getKey(), entry.getValue());
+        }
+        stamper.close();
+        os.close();
+    }
+}