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service代码：
@Service public class DroolsService { public String fireRule() { KieServices
ks = KieServices.Factory.get(); KieContainer kContainer =
ks.getKieClasspathContainer(); KieSession kSession =
kContainer.newKieSession("ksession-rules"); Map<String,String> map=new
HashMap<>(); map.put("message","Hello World"); map.put("status","0");
kSession.insert(map);//插入 kSession.fireAllRules();//执行规则 kSession.dispose(); } }
规则文件：
1.用[]方式取值
import java.util.Map; dialect "java rule "Hello World" when $map:Map() $o :
Object($map["status"]=="0"); then System.out.println( $map.get("message")); end
2.用get()方式取值
import java.util.Map; dialect "java" rule "Hello World" when $map:Map() $o :
Object($map.get("status")=="0"); then System.out.println( $map.get("message"));
end
