Update 64.7. Enable Multiple Connectors with Tomcat.md

IX. ‘How-to’ guides/64.7. Enable Multiple Connectors with Tomcat.md

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+### 64.7. 启用Tomcat的多连接器（Multiple Connectors）
+
+你可以将一个`org.apache.catalina.connector.Connector`添加到`TomcatEmbeddedServletContainerFactory`，这就能够允许多连接器，比如HTTP和HTTPS连接器：
+```java
+@Bean
+public EmbeddedServletContainerFactory servletContainer() {
+    TomcatEmbeddedServletContainerFactory tomcat = new TomcatEmbeddedServletContainerFactory();
+    tomcat.addAdditionalTomcatConnectors(createSslConnector());
+    return tomcat;
+}
+
+private Connector createSslConnector() {
+    Connector connector = new Connector("org.apache.coyote.http11.Http11NioProtocol");
+    Http11NioProtocol protocol = (Http11NioProtocol) connector.getProtocolHandler();
+    try {
+        File keystore = new ClassPathResource("keystore").getFile();
+        File truststore = new ClassPathResource("keystore").getFile();
+        connector.setScheme("https");
+        connector.setSecure(true);
+        connector.setPort(8443);
+        protocol.setSSLEnabled(true);
+        protocol.setKeystoreFile(keystore.getAbsolutePath());
+        protocol.setKeystorePass("changeit");
+        protocol.setTruststoreFile(truststore.getAbsolutePath());
+        protocol.setTruststorePass("changeit");
+        protocol.setKeyAlias("apitester");
+        return connector;
+    }
+    catch (IOException ex) {
+        throw new IllegalStateException("can't access keystore: [" + "keystore"
+                + "] or truststore: [" + "keystore" + "]", ex);
+    }
+}
+
+```