eureka开启登陆认证，springSecurity

引入依赖：

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-security</artifactId>
</dependency>

配置文件：

server:
  port: 8100
spring:
  application:
    name: app-eureka-center
  security:
    basic:
      enable: true #开启基于HTTP basic的认证
    user:
      name: lucky
      password: 666

eureka:
  instance:
    hostname: 127.0.0.1
  client:
    service-url:
      defaultZone: http://${eureka.instance.hostname}:8100/eureka/
    fetch-registry: false
    register-with-eureka: false

在eurka服务端添加一个安全认证类：

package com.zpc.springcloud.eureka;

import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;

@Configuration
@EnableWebSecurity
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {

    /**
     * 高版本springcloud的丢弃了配置:
     *
     * security:
     *   basic:
     *    enabled: true
     *
     * 所以应该使用以下方式开启
     *
     * @param http
     * @throws Exception
     */
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        // Configure HttpSecurity as needed (e.g. enable http basic).
        http.sessionManagement().sessionCreationPolicy(SessionCreationPolicy.NEVER);
        http.csrf().disable();
        //注意：为了可以使用 http://${user}:${password}@${host}:${port}/eureka/ 这种方式登录,所以必须是httpBasic,
        // 如果是form方式,不能使用url格式登录
        http.authorizeRequests().anyRequest().authenticated().and().httpBasic();
    }
}

client端也需要输入账号密码才能注册:
服务注册到有认证需求的注册中心时，需要设置如下地址：

http://USER:[email protected]:端口号/eureka/

###服务注册到eureka注册中心的地址
eureka:
  client:
    service-url:
           defaultZone: http://zpc:[email protected]:8100/eureka