基本完成，可能还会稍微修改

DoubanDataPraserS/src/main/java/me/lensfrex/doubandps/Main.java

@@ -2,6 +2,7 @@ package me.lensfrex.doubandps;
 
 import com.google.gson.*;
 import me.lensfrex.doubandps.data.MovieInformation;
+import me.lensfrex.doubandps.data.MovieInformationDataExporter;
 import me.lensfrex.doubandps.utils.IOUtil;
 
 import java.io.IOException;
@@ -37,7 +38,9 @@ public class Main {
                 movieInformations.add(new Gson().fromJson(dataArray.get(i), MovieInformation.class));
             }
 
+            MovieInformationDataExporter movieInformationDataExporter = new MovieInformationDataExporter("./douban.xlsx", MovieInformation.class);
 
+            movieInformationDataExporter.exportInformationByYear(movieInformations);
 
         } catch (IOException e) {
             log.severe("读文件出问题啦：" + e.getMessage());

DoubanDataPraserS/src/main/java/me/lensfrex/doubandps/data/MovieInformation.java

@@ -5,24 +5,24 @@ import com.google.gson.annotations.SerializedName;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
 
-
 @Getter
 @EqualsAndHashCode
 public class MovieInformation {
     @SerializedName("name_Ch")
-    @ExcelProperty("影片名称")
+    @ExcelProperty(index = 0, value = "影片名称")
     private String chineseName;
 
-    @SerializedName("外文名")
+    @SerializedName("name_Fr")
+    @ExcelProperty(index = 1, value = "外文名")
     private String alienName;
 
-    @ExcelProperty("上映年份")
+    @ExcelProperty(index = 2, value = "上映年份")
     private int year;
 
-    @ExcelProperty("评分")
+    @ExcelProperty(index = 3, value = "评分")
     private float point;
 
     @SerializedName("num")
-    @ExcelProperty("评价人数")
+    @ExcelProperty(index = 4, value = "评价人数")
     private int evaluationAmount;
 }

DoubanDataPraserS/src/main/java/me/lensfrex/doubandps/data/MovieInformationDataExporter.java

@@ -0,0 +1,66 @@
+package me.lensfrex.doubandps.data;
+
+import me.lensfrex.doubandps.excel.ExcelWorker;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.logging.Logger;
+
+public class MovieInformationDataExporter {
+    private static final Logger log = Logger.getLogger("DataExporterLogger");
+
+    ExcelWorker<MovieInformation> excelWorker = null;
+    private final Class<MovieInformation> dataClass;
+
+    public MovieInformationDataExporter(String excelFilePath, Class<MovieInformation> dataClass) {
+        this.dataClass = dataClass;
+        this.createNewExcelWorker(excelFilePath);
+    }
+
+    public boolean createNewExcelWorker(String newExcelFilePath) {
+        try {
+            excelWorker = new ExcelWorker<>(newExcelFilePath, dataClass);
+        } catch (IOException e) {
+            excelWorker = null;
+            log.severe("创建ExcelWorker时出现I/O问题。ErrMessage：" + e.getMessage() +
+                    "指定的Excel文件路径：" + newExcelFilePath);
+
+            return false;
+        } catch (Exception e) {
+            excelWorker = null;
+            log.severe("创建ExcelWorker时发生未知错误.ErrMessage：" + e.getMessage() +
+                    "指定的Excel文件路径：" + newExcelFilePath);
+
+            return false;
+        }
+
+        return true;
+    }
+
+    public void insertDataIntoExcel(int sheetIndex, Collection<MovieInformation> source) {
+        excelWorker.addAllDataToSheet(sheetIndex, source);
+    }
+
+    public void exportInformationByYear(List<MovieInformation> source) {
+        excelWorker.createNewSheet("2000年前");
+        int sheetAmount = excelWorker.createNewSheet("2000年后");
+
+        ArrayList<MovieInformation> movieBefore2000 = new ArrayList<>();
+        ArrayList<MovieInformation> movieAfter2000 = new ArrayList<>();
+        for (MovieInformation movieInformation : source) {
+            if (movieInformation.getYear() < 2000) {
+                movieBefore2000.add(movieInformation);
+            } else {
+                movieAfter2000.add(movieInformation);
+            }
+        }
+
+        excelWorker.addAllDataToSheet(sheetAmount - 2, movieBefore2000);
+        excelWorker.addAllDataToSheet(sheetAmount - 1, movieAfter2000);
+
+        excelWorker.finish();
+        log.info("已完成导出。");
+    }
+}

DoubanDataPraserS/src/main/java/me/lensfrex/doubandps/excel/DataExporter.java

@@ -1,9 +0,0 @@
-package me.lensfrex.doubandps.excel;
-
-import me.lensfrex.doubandps.data.MovieInformation;
-
-public class DataExporter {
-
-    public DataExporter() {
-    }
-}

DoubanDataPraserS/src/main/java/me/lensfrex/doubandps/excel/ExcelWorker.java

@@ -8,6 +8,7 @@ import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.logging.Logger;
 
 /**
  * 针对特定数据类进行excel操作的Worker操作类
@@ -16,6 +17,8 @@ import java.util.Collection;
  * @param <T> 指定的数据类class
  */
 public final class ExcelWorker<T> {
+    private final static Logger log = Logger.getLogger("ExcelWorkerLogger");
+
     private final ExcelWriter excelWriter;
     private final ArrayList<WriteSheet> sheets = new ArrayList<>();
 
@@ -30,11 +33,11 @@ public final class ExcelWorker<T> {
      */
     public ExcelWorker(String excelFilePath, Class<T> clazz) throws IOException {
         File excelFile = new File(excelFilePath);
-        if (!excelFile.exists()) {
+        if (excelFile.exists()) {
-            File parent = excelFile.getParentFile();
+            log.warning("目标excel文件\"" + excelFilePath + "\"已存在，可能会覆盖原有数据或excel文件读取失败。");
-            if (parent.mkdirs()) {
+        } else {
-                parent.createNewFile();
+            excelFile.getParentFile().mkdirs();
-            }
+            excelFile.createNewFile();
         }
 
         excelWriter = EasyExcel.write(excelFile).head(clazz).build();
@@ -71,4 +74,8 @@ public final class ExcelWorker<T> {
     public void finish() {
         excelWriter.finish();
     }
+
+    public int getSheetAmount() {
+        return sheetAmount;
+    }
 }