生成bug报告的csv文件

src/main/java/edu/nju/entities/BugDetail.java

@@ -13,7 +13,6 @@ import java.util.Set;
  */
 @Document
 public class BugDetail implements java.io.Serializable {
-    private static final long serialVersionUID = 8980368107739914394L;
 
     //bug属性
     @Id
@@ -73,9 +72,6 @@ public class BugDetail implements java.io.Serializable {
     //cp系统序列号
     private String cpSerialNum;
 
-    public static long getSerialVersionUID() {
-        return serialVersionUID;
-    }
 
     public String getId() {
         return id;

src/main/java/edu/nju/service/DataService.java

@@ -1,10 +1,14 @@
 package edu.nju.service;
+
 import edu.nju.dao.*;
 import edu.nju.entities.*;
 import edu.nju.util.TransUtil;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.io.*;
+import java.lang.reflect.Field;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
@@ -41,19 +45,19 @@ public class DataService {
     @Autowired
     BugHistoryDao bugHistoryDao;
 
-    private static final String cpSerialNum="cp_dev";
-
+    private static final String cpSerialNum = "cp_dev";
 
 
     /**
      * 根据caseId获取对应bug信息
+     *
      * @param caseId
      * @return
      */
     public List<BugDetail> getBugDetailByCaseId(String caseId) {
-        List<BugDetail> bugDetailList=new ArrayList<>();
-        Exam crowdCase=examDao.findById(caseId);
-        if(crowdCase!=null) {
+        List<BugDetail> bugDetailList = new ArrayList<>();
+        Exam crowdCase = examDao.findById(caseId);
+        if (crowdCase != null) {
             List<Report> reportList = reportDao.findByCaseId(caseId);
             for (Report report : reportList) {
                 String reportId = report.getId();
@@ -151,11 +155,59 @@ public class DataService {
                 }
             }
         }
+        bugDetailToCsv(bugDetailList,caseId);
         return bugDetailList;
     }
 
-    public void bugDetailToCsv(List<BugDetail> bugDetailList){
+    public void bugDetailToCsv(List<BugDetail> bugDetailList,String caseId) {
+        String[] titles = {"bug_id", "bug_category", "severity", "recurrent", "bug_create_time", "bug_page", "title",
+                "description", "img_url",
+                "score", "parent", "children", "root", "good_num", "good_worker_id", "bad_num", "bad_worker_id",
+                "test_case_id", "test_case_name", "test_case_front", "test_case_behind", "test_case_description", "test_case_create_time",
+                "report_id", "report_name", "report_create_time", "script_location", "report_location", "log_location","device_model", "device_brand", "device_os",
+                "worker_id",
+                "case_app_name","case_paper_type","case_test_type", "case_description", "case_require_doc",
+                "case_take_id","originalCaseId","cpSerialNum"};
+        exportCsv(titles, bugDetailList,caseId);
+    }
 
+
+    public <T> void exportCsv(String[] titles, List<T> list,String caseId) {
+        try {
+            File file = new File("data/"+caseId+".csv");
+            //构建输出流，同时指定编码
+            OutputStreamWriter ow = new OutputStreamWriter(new FileOutputStream(file), StandardCharsets.UTF_8);
+            //csv文件是逗号分隔，除第一个外，每次写入一个单元格数据后需要输入逗号
+            for (String title : titles) {
+                ow.write(title);
+                ow.write(",");
+            }
+            //写完文件头后换行
+            ow.write("\r\n");
+            //写内容
+            for (Object obj : list) {
+                //利用反射获取所有字段
+                Field[] fields = obj.getClass().getDeclaredFields();
+                for (Field field : fields) {
+                    //设置字段可见性
+                    field.setAccessible(true);
+                    //防止某个field没有赋值
+                    if (field.get(obj) == null) {
+                        ow.write("");
+                    } else {
+                        //解决csv文件中对于逗号和双引号的转义问题
+                        ow.write("\"" + field.get(obj).toString().replaceAll("\"","\"\"") + "\"");
+                    }
+                    ow.write(",");
+                }
+                //写完一行换行
+                ow.write("\r\n");
+            }
+            ow.flush();
+            ow.close();
+        } catch (IOException | IllegalAccessException e) {
+            e.printStackTrace();
+        }
     }
 }