kongkong的专栏

springcloud gatewayPreserveHostHeader# 路径通配匹配- id: domain_forward uri: http://localhost:10000/* # 目标服务地址 predicates: - Path=/200/* filters: # - StripPrefix=1 # 转发之前去掉1层路径 去掉/200 - PreserveHostHeader # 原始主机头nginxproxy_set_header

https://docs.spring.io/spring-boot/docs/2.5.4/maven-plugin/reference/htmlsingle/#packaginghttps://docs.spring.io/spring-boot/docs/2.2.6.RELEASE/maven-plugin/

The following application starters are provided by Spring Boot under theorg.springframework.bootgroup:Table 1. Spring Boot application starters Name Description Pom spring-boot-starter Core starter, including auto-configuratio...

ConfigurationProperties@Target({ ElementType.TYPE, ElementType.METHOD })@Retention(RetentionPolicy.RUNTIME)@Documentedpublic @interface ConfigurationProperties { @AliasFor("prefix") String value() default ""; @AliasFor("value") String pref.

ConditionalOnProperty@Retention(RetentionPolicy.RUNTIME)@Target({ ElementType.TYPE, ElementType.METHOD })@Documented@Conditional(OnPropertyCondition.class)public @interface ConditionalOnProperty { /** * Alias for {@link #name()}. * @return the

spring-cloud-context单独使用SpringBoot，发现其中的bootstrap.properties文件不会生效。经过源码查看原来是因为SpringBoot本身并不支持，需要Spring Cloud才能生效。而具体的代码又在spring-cloud-context包中的org.springframework.cloud.bootstrap.BootstrapApplicationListener实现ApplicationListenerorder越小，越前...

配置server: port: 10000 servlet: context-path: / tomcat: max-connections: 10 #默认10000 accept-count: 100 #默认100 min-spare-threads: 10 #默认10 max-threads: 200 #默认200accept-countorg.apache.tomcat.util.net.NioEndpoint# accep

参考页面https://docs.spring.io/spring-boot/docs/current/reference/html/spring-boot-features.html#boot-features-loggingspringProperty// source来源于配置文件 比如applicaton.yml<springProperty scope="context" name="LOG_FILE_NAME" source="logging.file.name"/>

class SimpleCommandLineArgsParser { public CommandLineArgs parse(String... args) { // --priority1=program-agrs CommandLineArgs commandLineArgs = new CommandLineArgs(); for (String arg : args) { if (arg.startsWith("--")) { // 以--开头 String o..

StandardServletEnvironmentStandardServletEnvironment 添加2个 添加servletConfigInitParams 添加servletContextInitParamsprotected void customizePropertySources(MutablePropertySources propertySources) { propertySources.addLast(new StubPropertySource(SERVL...

用户应用程序ApplicationConfigurableApplicationContext context = SpringApplication.run(NacosSpringBootYamlApplication.class, args);SpringApplication类public static ConfigurableApplicationContext ...

application.ymlzookeeper: server: 192.168.3.168my: zookeeper: server: ${ZOOKEEPER_SERVER:${zookeeper.server}}使用属性@Value("${my.zookeeper.server}")private String zookeeperServer;...

设置Program arguments:springboot启动类解析类: SimpleCommandLineArgsParser

1. 点击Edit Configurations2.# VM Arguments 是设置的虚拟机的属性# VM options# 环境变量参数 这里需要指定-D参数-server -XX:MetaspaceSize=512M -XX:MaxMetaspaceSize=1024m -Dfile.encoding=UTF-8# Program argu...

SpringApplicationloads properties fromapplication.propertiesfiles in the following locations and adds them to the SpringEnvironment: A/configsubdirectory of the current directory The ...

Spring Boot uses a very particularPropertySourceorder that is designed to allow sensible overriding of values. Properties are considered in the following order: Devtools global settings proper...

https://docs.spring.io/spring-boot/docs/current/reference/html/appendix-application-properties.html#common-application-propertieshttps://docs.spring.io/spring-boot/docs/2.2.x/reference/html...

配置默认单个数据库# 使用springboot默认属性 配置单个数据源spring: application: name: jdbcdemo datasource: url: jdbc:mysql://192.168.5.212:8066/TESTDB?useUnicode=true&characterEncoding=UTF-8 drive...

yamlenvironments: dev: url: https://dev.example.com name: Developer Setup prod: url: https://another.example.com name: My Cool Appproperties:environments.dev.url=https://dev.exa...

# class位于类路径上，才会实例化一个Bean@ConditionalOnClass# 在当前上下文中存在某个对象时，才会实例化一个Bean@ConditionalOnBean# 当表达式为true的时候，才会实例化一个Bean@ConditionalOnExpression# 仅仅在当前上下文中不存在某个对象时，才会实例化一个Bean@ConditionalOn...

 1. 打开地址https://start.spring.io/  2. 输入相关参数3. 点击Generate Project    

 @ComponentScan  过滤以com.zyxk.sl开头的包，以ForTest结构的类@ComponentScan(basePackages = {"com.zyxk.sl.forumservice","com.zyxk.sl.ctcomponent"}, excludeFilters={ @ComponentScan.Filte...

logback-spring.xml&lt;?xml version="1.0" encoding="UTF-8"?&gt;&lt;configuration&gt; &lt;!-- &lt;include resource="org/springframework/boot/logging/logback/base.xml"/&gt; --&gt; &lt;

https://docs.spring.io/spring-boot/docs/1.5.18.RELEASE/reference/htmlsingle/#boot-features-logback-extensions Spring Boot includes a number of extensions to Logback which can help with advanced co...

@ServletComponentScan功能:Servlet、Filter、Listener 可以直接通过 @WebServlet、@WebFilter、@WebListener 注解自动注册 @ServletComponentScan@SpringBootApplication@ServletComponentScanpublic class RateLimiterApp...

springboot 启动报错cgLib 方式实现AOP代理问题当我们需要使用CGLIB来实现AOP的时候，需要配置spring.aop.proxy-target-class=true不然默认使用的是标准Java的实现，就会报错解决方法：在yml文件中加入spring: aop: proxy-target-class: true...

@Aspect@Componentpublic class TimeInterceptor { private final Logger logger = LoggerFactory.getLogger(TimeInterceptor.class);// com.xyz.service..*.*(..) //定义在service包和所有子包里的任意类的...

1. 把Build Project Automatically打钩2. 按shift+ctrl+alt+/3.compiler.automake.allow.when.app.running 打钩4. 工程配置<dependencies> <!-- 热加载 --> <depe...

#springboot# server.port 从yml或者properties 读取@Value("${server.port}")# 未配置默认2000@Value("${remote.connectTimeout:2000}")# 未配置 则用默认值@Value("${my.server:localhost}")private String myServer;...

application.ymlmy: name: 170 port: 12000 username: root servers: - localhost - www.kq.com map: "[/key1]": value1 "[/key2]": value2 /key3: value3 name: king...

Importing Additional Configuration ClassesYou need not put all your@Configurationinto a single class. The@Importannotation can be used to import additional configuration classes. Alternative...

1. 父pom&lt;groupId&gt;com.kq&lt;/groupId&gt;&lt;artifactId&gt;spring&lt;/artifactId&gt;&lt;packaging&gt;pom&lt;/packaging&gt;&lt;version&gt;1.0.0&lt;/version&gt;&lt;modules&gt;