添加数字证书：
keytool -import -keystore D:\jdk1.6.0\jre\lib\security\cacerts -alias server -storepass changeit -keypass changeit -file C:\cms\ssl\so_ssl.crt
删除数字证书：
keytool -delete -alias server -keystore D:\jdk1.6.0\jre\lib\security\cacerts -storepass changeit