可以正常编译

Author: durongze

callc/java/build.bat

@@ -2,20 +2,22 @@
 
 set JAVA_HOME=D:\Program Files\Java\jdk-12.0.2
 set PATH=%PATH%;%JAVA_HOME%\bin;
+set CLASSHOME=%JAVA_HOME%\lib;%JAVA_HOME%\jre\lib\jrt-fs.jar;.
 
-set srcs=ForScanner.java ForScannerChild.java TxtParseUtils.java ServerThread.java SocketClient.java SocketServer.java MyFrame.java
+set base_dir=.
 
-for %%i in (%srcs%) do (
+setlocal ENABLEDELAYEDEXPANSION
+for /f %%i in ( 'dir /b ".\*.java"' ) do (
     javac -encoding utf-8 -h . %%i
     if not %errorlevel% == 0 (
         goto proc_err
     ) else (
-        mkdir mypkg
+        if not exist mypkg ( md mypkg )
         move *.class mypkg
         echo %%i succ.................................
     )
 )
-
+endlocal
 rem java mypkg.SocketServer
 
 :proc_err