SpringBoot:@Conditional

分手后的思念是犯贱 2023-03-13 03:18 14阅读 0赞

package tju.SpringBootSecurityJdbc.controller;
    
    import org.springframework.context.annotation.Condition;
    import org.springframework.context.annotation.ConditionContext;
    import org.springframework.core.env.Environment;
    import org.springframework.core.type.AnnotatedTypeMetadata;
    
    public class MyCondition implements Condition{
    
    	@Override
    	public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {
    		Environment env=context.getEnvironment();
    		if(env.containsProperty("myswitch"))
    		{
    			String str=env.getProperty("myswitch");
    			if(str.equals("true"))return true;
    		}
    		return false;
    	}
    
    }

package tju.SpringBootSecurityJdbc.controller;
    import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
    import org.springframework.context.annotation.Conditional;
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    @RestController
    @Conditional(MyCondition.class)
    public class AppController3 {
    	@RequestMapping("/halu2")
    	public String testme()
    	{
    		return "this is rest2!";
    	}
    
    }

spring.datasource.driver-class-name=com.mysql.jdbc.Driver  
spring.datasource.url=jdbc:mysql://localhost:3306/springboot  
spring.datasource.username=root  
spring.datasource.password=root  
logging.level.org.springframework.security=trace  
spring.thymeleaf.cache=false  
test.fgh.enabled=true  
my.user.num=2  
com.abc=fgh  
myswitch=true

SpringBoot:@Conditional

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