keytool -genkey -alias master -keypass 123456 -keyalg RSA -keysize 1024 -validity 365 -keystore E:/apache-tomcat-9.0.58/keys/cas.keystore -storepass 1234562.从密钥库导出证书
keytool -export -trustcacerts -alias master -file E:/apache-tomcat-9.0.58/keys/cas.cer -keystore E:/apache-tomcat-9.0.58/keys/cas.keystore3.将证书导入到jdk库中
keytool -import -trustcacerts -alias master -file E:/apache-tomcat-9.0.58/keys/cas.cer -keystore "E:/jdk/jre/lib/security/cacerts"
此处注意：输入密码为jdk证书库口令专用密钥（“changeit”）
修改server.xml文件
5.测试验证
浏览器输入：https://localhost:8443/
