1.首先下载proGuard.zip到本地: proguard4.5beta4.tar.zip解压开,
2.新建文本文档,修改文件名为XXX.pro,然后复制下面内容到.pro

-injars 'Y:\src.jar' #需要混淆的jar
-outjars 'Y:\java\src.jar' #输出jar
-libraryjars 'C:\java\jre6\lib\rt.jar' #必须的系统类库
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\activation-1.1.jar' #项目需要的jar
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\ant.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\antlr-2.7.6.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\asm-attrs.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\asm.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\aspectjrt.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\aspectjweaver.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\axis-ant.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\axis.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\backport-util-concurrent.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\bsf-2.3.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\bsh-2.0b4.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\c3p0-0.9.1.2.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\cfgatewayadapter.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\cglib-2.1.3.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\ckeditor-java-core-3.5.3.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\CKFinder-2.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\CKFinderPlugin-FileEditor-2.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\CKFinderPlugin-ImageResize-2.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\cmpp3.0-java.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\commons-attributes-api.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\commons-attributes-compiler.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\commons-beanutils-1.8.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\commons-codec-1.3.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\commons-collections-3.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\commons-configuration-1.6.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\commons-dbcp-1.2.2.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\commons-discovery-0.2.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\commons-fileupload-1.2.2.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\commons-io-2.0.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\commons-lang-2.3.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\commons-logging-1.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\commons-logging-api-1.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\commons-pool.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\commons-validator-1.3.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\concurrent.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\dom4j-1.6.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\dwr.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\ehcache-1.5.0.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\ejb3-persistence.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\fckeditor-java-core-2.4.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\freemarker-2.3.15.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\generic-hession-api-0109.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\gson-1.7.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\hessian-4.0.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\hibernate-annotations.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\hibernate-commons-annotations.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\hibernate-entitymanager.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\hibernate-validator.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\hibernate3.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\im4java-1.3.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jackson-core-asl-1.3.0.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jackson-mapper-asl-1.3.0.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jakarta-oro-2.0.8.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\Java2Word.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\javassist-3.4.GA.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jaxrpc.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jboss-archive-browsing.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jdbc2_0-stdext.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jdom.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jetty-6.1.24.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jetty-plus-6.1.24.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jetty-util-6.1.24.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jsf-api.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jsf-impl.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\json-lib-2.3-jdk15.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\json_simple-1.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jstl-1.2.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jstl-api-1.2.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jstl-impl-1.2.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jta.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\jtds-1.2.2.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\junit.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\log4j-1.2.15.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\mail-1.4.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\mysql-connector-java-5.1.22-bin.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\ognl-2.7.3.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\ojdbc5.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\p6spy.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\pager-taglib.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\poi-3.6-20091214.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\quartz-all-1.6.6.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\servlet-api-2.5-20081211.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\SimpleAPI.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\sitemesh-2.3.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\slf4j-api-1.5.8.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\slf4j-log4j12-1.5.8.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\spring.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\standard.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\struts2-core-2.1.8.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\struts2-dojo-plugin-2.1.8.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\struts2-json-plugin-2.3.1.2.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\struts2-sitemesh-plugin-2.1.8.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\struts2-spring-plugin-2.1.8.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\struts2-sunspoter-stream-1.0.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\Thumbnailator-0.3.10.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\urlrewrite-2.6.0.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\velocity-1.7.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\velocity-tools-2.0.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\wsdl4j-1.5.1.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\xalan.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\xstream-1.2.2.jar'
-libraryjars 'Y:\kf\WebRoot\WEB-INF\lib\xwork-core-2.1.6.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\annotations-api.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\catalina-ant.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\catalina-ha.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\catalina-tribes.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\catalina.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\ecj-3.7.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\el-api.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\jasper-el.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\jasper.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\jsp-api.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\servlet-api.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\tomcat-api.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\tomcat-coyote.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\tomcat-dbcp.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\tomcat-i18n-es.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\tomcat-i18n-fr.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\tomcat-i18n-ja.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\tomcat-jdbc.jar'
-libraryjars 'D:\java\apache-tomcat-7.0.21\lib\tomcat-util.jar'-dontskipnonpubliclibraryclassmembers
-target 1.5
-dontshrink
-dontoptimize
-useuniqueclassmembernames
-keeppackagenames
-keepattributes
Exceptions,InnerClasses,Signature,Deprecated,SourceFile,LineNumberTable,LocalVariable*Table,
*Annotation*,Synthetic,EnclosingMethod
-keepparameternames
-dontpreverify
-dontwarn
-ignorewarnings
#不混淆lib下jar包里面的class文件
-keep class WebRoot.WEB-INFO.lib.*
#不混淆action包里面的类名,字段名,方法名
#在界面上会用到这些字段和getset方法
-keepnames class **.kf.**.action.**{public private protected <fields>;public <methods>;
}
-keepnames class **.kf.**.dao.**{
}
-keepnames class **.kf.**.service.**{
}-keep class * extends org.springframework.orm.hibernate3.support.HibernateDaoSupport {public <methods>;
}
#不混淆实体的字段和方法,jsp的表单里面会有这些属性的值,混淆之后,会出现无法提交表单情况
-keep class **.entity.** {public private protected <fields>;public <methods>;
}# Keep names - Native method names. Keep all native class/method names.
-keepclasseswithmembers,allowshrinking class * {native <methods>;
}
# Keep names - _class method names. Keep all .class method names. This may be
# useful for libraries that will be obfuscated again with different obfuscators.
-keepclassmembers,allowshrinking class * {java.lang.Class class$(java.lang.String);java.lang.Class class$(java.lang.String,boolean);
}
# Remove - System method calls. Remove all invocations of System
# methods without side effects whose return values are not used.
-assumenosideeffects public class java.lang.System {public static long currentTimeMillis();static java.lang.Class getCallerClass();public static int identityHashCode(java.lang.Object);public static java.lang.SecurityManager getSecurityManager();public static java.util.Properties getProperties();public static java.lang.String getProperty(java.lang.String);public static java.lang.String getenv(java.lang.String);public static java.lang.String mapLibraryName(java.lang.String);public static java.lang.String getProperty(java.lang.String,java.lang.String);
}
# Remove - Math method calls. Remove all invocations of Math
# methods without side effects whose return values are not used.
-assumenosideeffects public class java.lang.Math { public static double sin(double); public static double cos(double); public static double tan(double); public static double asin(double); public static double acos(double); public static double atan(double); public static double toRadians(double); public static double toDegrees(double); public static double exp(double); public static double log(double); public static double log10(double); public static double sqrt(double);public static double cbrt(double);public static double IEEEremainder(double,double); public static double ceil(double); public static double floor(double); public static double rint(double); public static double atan2(double,double); public static double pow(double,double); public static int round(float); public static long round(double); public static double random(); public static int abs(int); public static long abs(long); public static float abs(float); public static double abs(double); public static int max(int,int); public static long max(long,long); public static float max(float,float); public static double max(double,double); public static int min(int,int); public static long min(long,long); public static float min(float,float); public static double min(double,double); public static double ulp(double); public static float ulp(float); public static double signum(double); public static float signum(float); public static double sinh(double); public static double cosh(double); public static double tanh(double); public static double hypot(double,double); public static double expm1(double); public static double log1p(double);
}# Remove - Number method calls. Remove all invocations of Number
# methods without side effects whose return values are not used.
-assumenosideeffects public class java.lang.* extends java.lang.Number { public static java.lang.String toString(byte); public static java.lang.Byte valueOf(byte); public static byte parseByte(java.lang.String); public static byte parseByte(java.lang.String,int); public static java.lang.Byte valueOf(java.lang.String,int); public static java.lang.Byte valueOf(java.lang.String); public static java.lang.Byte decode(java.lang.String);public int compareTo(java.lang.Byte); public static java.lang.String toString(short); public static short parseShort(java.lang.String); public static short parseShort(java.lang.String,int); public static java.lang.Short valueOf(java.lang.String,int); public static java.lang.Short valueOf(java.lang.String); public static java.lang.Short valueOf(short); public static java.lang.Short decode(java.lang.String); public static short reverseBytes(short); public int compareTo(java.lang.Short); public static java.lang.String toString(int,int); public static java.lang.String toHexString(int); public static java.lang.String toOctalString(int); public static java.lang.String toBinaryString(int); public static java.lang.String toString(int); public static int parseInt(java.lang.String,int); public static int parseInt(java.lang.String);public static java.lang.Integer valueOf(java.lang.String,int); public static java.lang.Integer valueOf(java.lang.String); public static java.lang.Integer valueOf(int);public static java.lang.Integer getInteger(java.lang.String); public static java.lang.Integer getInteger(java.lang.String,int);public static java.lang.Integer getInteger(java.lang.String,java.lang.Integer); public static java.lang.Integer decode(java.lang.String);public static int highestOneBit(int); public static int lowestOneBit(int);public static int numberOfLeadingZeros(int); public static int numberOfTrailingZeros(int); public static int bitCount(int); public static int rotateLeft(int,int); public static int rotateRight(int,int); public static int reverse(int); public static int signum(int); public static int reverseBytes(int); public int compareTo(java.lang.Integer); public static java.lang.String toString(long,int); public static java.lang.String toHexString(long); public static java.lang.String toOctalString(long); public static java.lang.String toBinaryString(long); public static java.lang.String toString(long); public static long parseLong(java.lang.String,int); public static long parseLong(java.lang.String);public static java.lang.Long valueOf(java.lang.String,int); public static java.lang.Long valueOf(java.lang.String);public static java.lang.Long valueOf(long);public static java.lang.Long decode(java.lang.String); public static java.lang.Long getLong(java.lang.String); public static java.lang.Long getLong(java.lang.String,long);public static java.lang.Long getLong(java.lang.String,java.lang.Long); public static long highestOneBit(long); public static long lowestOneBit(long); public static int numberOfLeadingZeros(long); public static int numberOfTrailingZeros(long); public static int bitCount(long); public static long rotateLeft(long,int); public static long rotateRight(long,int); public static long reverse(long); public static int signum(long); public static long reverseBytes(long); public int compareTo(java.lang.Long); public static java.lang.String toString(float); public static java.lang.String toHexString(float); public static java.lang.Float valueOf(java.lang.String); public static java.lang.Float valueOf(float); public static float parseFloat(java.lang.String); public static boolean isNaN(float); public static boolean isInfinite(float); public static int floatToIntBits(float); public static int floatToRawIntBits(float); public static float intBitsToFloat(int); public static int compare(float,float); public boolean isNaN(); public boolean isInfinite();public int compareTo(java.lang.Float); public static java.lang.String toString(double); public static java.lang.String toHexString(double); public static java.lang.Double valueOf(java.lang.String); public static java.lang.Double valueOf(double); public static double parseDouble(java.lang.String); public static boolean isNaN(double); public static boolean isInfinite(double); public static long doubleToLongBits(double); public static long doubleToRawLongBits(double); public static double longBitsToDouble(long); public static int compare(double,double); public boolean isNaN(); public boolean isInfinite();public int compareTo(java.lang.Double);public <init>(byte); public <init>(short); public <init>(int); public <init>(long); public <init>(float); public <init>(double); public <init>(java.lang.String); public byte byteValue(); public short shortValue(); public int intValue(); public long longValue(); public float floatValue(); public double doubleValue();public int compareTo(java.lang.Object); public boolean equals(java.lang.Object); public int hashCode();public java.lang.String toString();
}# Remove - String method calls. Remove all invocations of String # methods without side effects whose return values are not used.
-assumenosideeffects public class java.lang.String { public <init>(); public <init>(byte[]); public <init>(byte[],int); public <init>(byte[],int,int); public <init>(byte[],int,int,int);public <init>(byte[],int,int,java.lang.String); public <init>(byte[],java.lang.String); public <init>(char[]); public <init>(char[],int,int); public <init>(java.lang.String); public <init>(java.lang.StringBuffer);public static java.lang.String copyValueOf(char[]); public static java.lang.String copyValueOf(char[],int,int); public static java.lang.String valueOf(boolean); public static java.lang.String valueOf(char); public static java.lang.String valueOf(char[]); public static java.lang.String valueOf(char[],int,int); public static java.lang.String valueOf(double); public static java.lang.String valueOf(float); public static java.lang.String valueOf(int);public static java.lang.String valueOf(java.lang.Object); public static java.lang.String valueOf(long); public boolean contentEquals(java.lang.StringBuffer); public boolean endsWith(java.lang.String); public boolean equalsIgnoreCase(java.lang.String); public boolean equals(java.lang.Object); public boolean matches(java.lang.String);public boolean regionMatches(boolean,int,java.lang.String,int,int); public boolean regionMatches(int,java.lang.String,int,int); public boolean startsWith(java.lang.String); public boolean startsWith(java.lang.String,int); public byte[] getBytes();public byte[] getBytes(java.lang.String); public char charAt(int); public char[] toCharArray();public int compareToIgnoreCase(java.lang.String); public int compareTo(java.lang.Object); public int compareTo(java.lang.String); public int hashCode(); public int indexOf(int); public int indexOf(int,int); public int indexOf(java.lang.String); public int indexOf(java.lang.String,int); public int lastIndexOf(int); public int lastIndexOf(int,int); public int lastIndexOf(java.lang.String); public int lastIndexOf(java.lang.String,int); public int length();public java.lang.CharSequence subSequence(int,int); public java.lang.String concat(java.lang.String);public java.lang.String replaceAll(java.lang.String,java.lang.String); public java.lang.String replace(char,char);public java.lang.String replaceFirst(java.lang.String,java.lang.String); public java.lang.String[] split(java.lang.String); public java.lang.String[] split(java.lang.String,int); public java.lang.String substring(int); public java.lang.String substring(int,int); public java.lang.String toLowerCase();public java.lang.String toLowerCase(java.util.Locale); public java.lang.String toString(); public java.lang.String toUpperCase();public java.lang.String toUpperCase(java.util.Locale); public java.lang.String trim();
}# Remove - StringBuffer method calls. Remove all invocations of StringBuffer
# methods without side effects whose return values are not used.
-assumenosideeffects public class java.lang.StringBuffer { public <init>(); public <init>(int);public <init>(java.lang.String); public <init>(java.lang.CharSequence); public java.lang.String toString(); public char charAt(int); public int capacity(); public int codePointAt(int); public int codePointBefore(int); public int indexOf(java.lang.String,int); public int lastIndexOf(java.lang.String); public int lastIndexOf(java.lang.String,int); public int length();public java.lang.String substring(int); public java.lang.String substring(int,int);
}# Remove - StringBuilder method calls. Remove all invocations of StringBuilder # methods without side effects whose return values are not used.
-assumenosideeffects public class java.lang.StringBuilder { public <init>(); public <init>(int);public <init>(java.lang.String); public <init>(java.lang.CharSequence); public java.lang.String toString(); public char charAt(int); public int capacity(); public int codePointAt(int); public int codePointBefore(int); public int indexOf(java.lang.String,int); public int lastIndexOf(java.lang.String); public int lastIndexOf(java.lang.String,int); public int length();public java.lang.String substring(int); public java.lang.String substring(int,int);
} 

这段话是在网上找的,拼凑一下,能用...
修改上面的-injars,-outjars,-libraryjars路径等

3.开始->运行->输入"cmd"->输入"java -Xms256m -Xmx512m -jar D:\java\proguard4.5beta4\lib\proguard.jar @D:\java\proguard4.5beta4\kfwggl.pro"
不带引号,"D:\java\proguard4.5beta4\lib\proguard.jar"这个是proguard的jar路径,参照着填写自己的路径
"@D:\java\proguard4.5beta4\kfwggl.pro"这个是上面新建的文本文档的路径
然后回车,可能会有些错误,根据提示修改,成功例子:

上图红线圈着的,表示混淆成功,输出jar在Y:\java\src.jar

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