setenv.bat
-------------------------------------------
@echo off

set HIBERNATE_LIB=D:/lib/hibernate
set CLASS_ROOT=D:/work/hibernate_test1/classes

set CP=%CLASS_ROOT%;./;%HIBERNATE_LIB%/hibernate-tools.jar;%HIBERNATE_LIB%/hibernate2.jar;%HIBERNATE_LIB%/commons-logging-1.0.4.jar;

class2hbm.bat
--------------------------------------------
@echo off
call d:/bat/setenv.bat
java -cp %CP% net.sf.hibernate.tool.class2hbm.MapGenerator --output=%CLASS_ROOT%/%1.hbm.xml %2

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使用前要手工修改setenv.bat中的HIBERNATE_LIB和CLASS_ROOT
使用方法：
class2hbm foo full.class.name