如何在Springboot中使用Urule？針對(duì)這個(gè)問題，這篇文章詳細(xì)介紹了相對(duì)應(yīng)的分析和解答，希望可以幫助更多想解決這個(gè)問題的小伙伴找到更簡(jiǎn)單易行的方法。
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一、Urule-Server端：
1.1、 基于maven的SpringBoot基本環(huán)境搭建請(qǐng)參考SpringBoot教程
1.2、引入U(xiǎn)rule相關(guān)依賴，urule-console-pro，開源版本可到https://search.maven.org
中心搜索，依賴如下：
org.springframework.boot spring-boot-starter-web com.bstek.urule urule-console-pro 2.1.0 org.slf4j slf4j-jdk14 javax.servlet servlet-api 2.5 provided org.mybatis.spring.boot mybatis-spring-boot-starter 1.3.1 com.alibaba druid 1.0.9 MySQL mysql-connector-java
1.3、配置文件：兩個(gè)，appplication.yml , application.properties
appplication.yml，配置數(shù)據(jù)庫信息（我們把urule項(xiàng)目存到數(shù)據(jù)庫中）
server: port: 8081 spring: application: name: UruleServer datasource: name: datasource jdbc-url: jdbc:mysql://127.0.0.1:3306/urule?useUnicode=true&characterEncoding=utf-8 username: root password: 666666 # 使用druid數(shù)據(jù)源 type: com.alibaba.druid.pool.DruidDataSource driver-class-name: com.mysql.jdbc.Driver filters: stat maxActive: 20 initialSize: 1 maxWait: 60000 minIdle: 1 timeBetweenEvictionRunsMillis: 60000 minEvictableIdleTimeMillis: 300000 validationQuery: select 'x' testWhileIdle: true testOnBorrow: false testOnReturn: false poolPreparedStatements: true maxOpenPreparedStatements: 20
注意，我這此刻DataSource下不jdbc-url而不是url。根據(jù)SpringBoot版本自行調(diào)整
application.properties,配置項(xiàng)目?jī)?chǔ)存位置
#若為本地環(huán)境需配置此路徑 #urule.repository.dir=F:/EclipsePractice/03_SpringCloud/repo4rule #若為數(shù)據(jù)庫，配置此項(xiàng)，兩項(xiàng)均不配則系統(tǒng)指定默認(rèn)地址 urule.repository.databasetype=mysql urule.repository.datasourcename=datasource ignore-unresolvable=true order=1
1.4、初始化bean
datesource
重慶分公司
重慶分公司
@Configuration
public class configuration {
@Bean
public PropertySourcesPlaceholderConfigurer propertySourceLoader() {
PropertySourcesPlaceholderConfigurer configurer = new PropertySourcesPlaceholderConfigurer();
configurer.setIgnoreUnresolvablePlaceholders(true);
configurer.setOrder(1);
return configurer;
}
@Bean
@ConfigurationProperties(prefix = "spring.datasource")
public DataSource datasource() {
return DataSourceBuilder.create().build();
}
}serverlet
@Component
public class URuleServletRegistration
{
@Bean
public ServletRegistrationBean registerURuleServlet()
{
return new ServletRegistrationBean(new URuleServlet(), new String[] { "/urule/*" });
}
} 1.5、啟動(dòng)類：
@SpringBootApplication
@ImportResource({"classpath:urule-console-context.xml"})
public class Application
{
public static void main(String[] args)
{
SpringApplication.run(Application.class, args);
}
}二、客戶端調(diào)用：
2.1、配置類
application.yml server: port: 8090 spring: application: name: UruleClient datasource: name: datasource url: jdbc:mysql://127.0.0.1:3306/myland?useUnicode=true&characterEncoding=utf-8 username: root password: 666666 # 使用druid數(shù)據(jù)源 type: com.alibaba.druid.pool.DruidDataSource driver-class-name: com.mysql.jdbc.Driver filters: stat maxActive: 20 initialSize: 1 maxWait: 60000 minIdle: 1 timeBetweenEvictionRunsMillis: 60000 minEvictableIdleTimeMillis: 300000 validationQuery: select 'x' testWhileIdle: true testOnBorrow: false testOnReturn: false poolPreparedStatements: true maxOpenPreparedStatements: 20 urule: ###服務(wù)端發(fā)現(xiàn)地址 resporityServerUrl: http://localhost:8081 ###knowledgeUpdateCycle為0時(shí)，不是檢查緩存，每次都從服務(wù)端拉取，為1時(shí)，會(huì)先查找緩存 knowledgeUpdateCycle: 1
2.2、初始化bean
@Configuration
public class RuleConfig {
@Bean
public PropertySourcesPlaceholderConfigurer propertySourceLoader() {
PropertySourcesPlaceholderConfigurer configurer = new PropertySourcesPlaceholderConfigurer();
configurer.setIgnoreUnresolvablePlaceholders(true);
configurer.setOrder(1);
return configurer;
}
}
@Component
public class URuleServletRegistration {
//此Servlet用于接收Urule服務(wù)端發(fā)布的知識(shí)包，使用開源版本時(shí)刪除或者注釋這個(gè)bean
@Bean
public ServletRegistrationBean registerURuleServlet(){
return new ServletRegistrationBean(new KnowledgePackageReceiverServlet(),"/knowledgepackagereceiver");
}
}2.3、controller:
@RestController
public class TestController {
@RequestMapping("/rule")
public String getRara(@RequestParam String data)throws IOException{
KnowledgeService knowledgeService = (KnowledgeService) Utils.getApplicationContext().getBean(KnowledgeService.BEAN_ID);
//參數(shù)，Urule項(xiàng)目名/知識(shí)包名
KnowledgePackage knowledgePackage = knowledgeService.getKnowledge("letasa/pare");
KnowledgeSession session = KnowledgeSessionFactory.newKnowledgeSession(knowledgePackage);
Integer integer = Integer.valueOf(data);
Map param = new HashMap();
//參數(shù)，var，傳入?yún)?shù)，和參數(shù)庫中定義一致
param.put("var", integer);
session.fireRules(param);
//result，返回參數(shù)，和參數(shù)庫中定義一致
Integer result = (Integer) session.getParameter("result");
return String.valueOf(result);
}
} 2.4、啟動(dòng)類
@SpringBootApplication
@ImportResource({"classpath:urule-core-context.xml"})
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}Urule項(xiàng)目配置
參數(shù)庫
規(guī)則
springboot一種全新的編程規(guī)范，其設(shè)計(jì)目的是用來簡(jiǎn)化新Spring應(yīng)用的初始搭建以及開發(fā)過程，SpringBoot也是一個(gè)服務(wù)于框架的框架，服務(wù)范圍是簡(jiǎn)化配置文件。
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