SpringCloud的自定义参数

基于SpringCloud开发框架时，有时候需要添加一些默认参数。
有2种方式可以实现。

PropertySourceLocator接口。

import org.springframework.cloud.bootstrap.config.PropertySourceLocator;
public class MyPropertySourceLocator implements PropertySourceLocator {
    @Override
    public PropertySource<?> locate(Environment environment) {
        Map<String, Object> properties = new HashMap<>();

        properties.put("waitTime", "1h");
        properties.put("seconds", "5s");
        
        PropertySource source = new MapPropertySource("MyProperty", properties);

        return source;
    }
}

需要有configuration类

@Configuration
public class MyAutoConfiguration {

    @Bean
    public MyPropertySourceLocator myPropertySourceLocator(){
        return new MyPropertySourceLocator();
    }
}

同时需要添加到spring.factories

org.springframework.cloud.bootstrap.BootstrapConfiguration=\
com.aaa.configuration.MyAutoConfiguration

EnvironmentPostProcessor接口。

import org.springframework.boot.env.EnvironmentPostProcessor;
public class MyEnvironmentPostProcessor implements EnvironmentPostProcessor {

    public PropertySource<?> getPropertySource() {
        Map<String, Object> properties = new HashMap<>();

        properties.put("aaa", "1h");
        properties.put("bbb", "5s");
        
        PropertySource source = new MapPropertySource("MyProperty", properties);

        return source;
    }

    @Override
    public void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication application) {
        //addFirst会具有最高优先级，addLast会具有最低优先级。
        environment.getPropertySources().addFirst(getPropertySource());
    }
}

同样需要加入到spring.factories文件里。

org.springframework.boot.env.EnvironmentPostProcessor=\
com.aaa.configuration.MyEnvironmentPostProcessor

来源：CSDN

作者：varnson

链接：https://blog.csdn.net/fanzch/article/details/104318060

标签

properties