保存进度！

code/east-datafile-spliter/src/main/java/com/cpic/xim/App.java

@@ -0,0 +1,33 @@
+/**
+ * @Author: Kane Wang <wangkane@qq.com>
+ * @Date: 2025-08-08 17:21:32
+ * @LastEditors: Kane Wang
+ * @LastModified: 2025-08-08 19:05:06
+ * @FilePath: src/main/java/com/cpic/xim/App.java
+ * @Description:
+ * 
+ *               Copyright (c) 2025 by Kane All rights reserved
+ */
+package com.cpic.xim;
+
+import java.io.File;
+
+/**
+ * Hello world!
+ */
+public class App
+{
+    private static final int    MAX_LINE_COUNT_PER_FILE = 250000;
+    private static final String TITLE_BDJBXXB           = "流水号$保险机构代码$保险机构名称$采集日期$保单编号$虚拟单标志$保单件数$险类$保单团个性质$监管辖区$司法管辖$业务性质$续保标志$被续保保单编号$保单状态$保单终止原因$核保类型$联共保类型$涉农标志$分保标志$统保标志$投保单申请日期$签单日期$核保通过时间$保费收费确认时间$保单生成时间$保单起始日期$保单终止日期$保单中止日期$保单效力恢复日期$保单满期日期$约定分期交费次数$累计保费$交费方式$被保险人数量$保险金额$保险金额币种$保险金额人民币金额$保险费率$基准保费$签单保费$税额$政府补贴保费金额$保费币种$保费人民币金额$管理机构代码$管理机构名称$核保机构代码$核保机构名称$承保地区$争议解决方式$佣金比例$佣金$佣金币种$佣金人民币金额$特别约定标志$特别约定$经办业务标志$经办管理费$医保个人账户购买标志";
+
+    public static void main( String[] args )
+    {
+        String fileNameBDJBXXB = "L:\\east\\MD5_BDJCXX_BDJBXXB_RESULT_3080100.txt";
+
+        com.cpic.xim.east.utils.DataFileSpliter.splitFile( new File( fileNameBDJBXXB ),
+                                                           MAX_LINE_COUNT_PER_FILE,
+                                                           TITLE_BDJBXXB );
+
+        System.out.println( "拆完了！" );
+    }
+}

code/east-datafile-spliter/src/main/java/com/cpic/xim/east/utils/DataFileSpliter.java

@@ -0,0 +1,85 @@
+/**
+ * @Author: Kane Wang <wangkane@qq.com>
+ * @Date: 2025-08-08 17:23:44
+ * @LastEditors: Kane Wang
+ * @LastModified: 2025-08-08 17:25:07
+ * @FilePath: src/main/java/com/cpic/xim/east/utils/DataFileSpliter.java
+ * @Description: 
+ * 
+ *               Copyright (c) 2025 by Kane All rights reserved
+ */
+package com.cpic.xim.east.utils;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+
+/**
+ * @author Kane
+ * @description 用于拆分大文件。
+ */
+public class DataFileSpliter
+{
+
+    public static void splitFile( File inputFile, int lineCountPerFile , String titleString )
+    {
+        try (
+                BufferedReader reader = new BufferedReader( new FileReader( inputFile ) )
+        )
+        {
+            String line;
+            int    lineCount = 0;
+            int    fileCount = 1;
+
+            BufferedWriter writer = createWriterForFile( inputFile, fileCount );
+
+            while ( (line = reader.readLine()) != null )
+            {
+                if ( lineCount >= lineCountPerFile )
+                {
+                    writer.close();
+
+                    fileCount++;
+                    lineCount = 0;
+
+                    writer    = createWriterForFile( inputFile, fileCount );
+                }
+
+                // 如果是第一行，则写入标题
+                if ( lineCount == 0 && !titleString.isEmpty() )
+                {
+                    writer.write( titleString );
+                    writer.newLine();
+                }
+
+                writer.write( line );
+                writer.newLine();
+                lineCount++;
+            }
+            writer.close();
+        }
+        catch ( IOException e )
+        {
+            e.printStackTrace();
+        }
+    }
+
+    private static BufferedWriter createWriterForFile( File inputFile, int fileCount )
+    {
+        try
+        {
+            String     outputFileName = String.format( "%s_part%d.txt", inputFile.getName(), fileCount );
+            FileWriter fileWriter     = new FileWriter( new File( inputFile.getParent(), outputFileName ) );
+            
+            return new BufferedWriter( fileWriter );
+        }
+        catch ( IOException e )
+        {
+            e.printStackTrace();
+            return null;
+        }
+    }
+}