为什么80%的码农都做不了架构师？>>> 
1. 找到配置目录下： /conf/jetty.xml
28 <bean id="securityConstraint" class="org.eclipse.jetty.http.security.Constraint">
29 <property name="name" value="BASIC" />
30 <property name="roles" value="admin" />
31 <property name="authenticate" value="false" />
32 </bean>
将配置项【authenticate】值改为 true
2. 修改配置文件 jetty-realm.properties：
1 ## ---------------------------------------------------------------------------
2 ## Licensed to the Apache Software Foundation (ASF) under one or more
3 ## contributor license agreements. See the NOTICE file distributed with
4 ## this work for additional information regarding copyright ownership.
5 ## The ASF licenses this file to You under the Apache License, Version 2.0
6 ## (the "License"); you may not use this file except in compliance with
7 ## the License. You may obtain a copy of the License at
8 ##
9 ## http://www.apache.org/licenses/LICENSE-2.0
10 ##
11 ## Unless required by applicable law or agreed to in writing, software
12 ## distributed under the License is distributed on an "AS IS" BASIS,
13 ## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 ## See the License for the specific language governing permissions and
15 ## limitations under the License.
16 ## ---------------------------------------------------------------------------
17
18 # Defines users that can access the web (console, demo, etc.)
19 # username: password [,rolename ...]
20 admin: admin, admin
~ 操着上面配置第20行，【用户名】:【密码】:【角色名】