springBean生命周期
作用:BeanPostProcessor在bean初始化前后做自定义处理
场景:需要自定义swagger,使所有请求显示固定的请求头参数(自定义Docket类),但是swagger被架构组封装到sdk中,所以在BeanPostProcessor中对Docket的bean做处理
/**
* 自定义swagger
*
* @author xiantao.wu
* @create 2019/3/269:51
**/
@Component
public class GiveAppBeanPostProcessor implements BeanPostProcessor {
//bean初始化之前的操作
@Override
public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
return bean;
}
//bean初始化之后的操作
@Override
public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
//swagger统一增加请求头
if ("docket".equals(beanName)) {
return builderHeader((Docket) bean);
}
return bean;
}
private Docket builderHeader(Docket docket) {
List<Parameter> pars = new TreeList();
pars.add(new ParameterBuilder().name("x-os-name").description("系统类型").defaultValue("iOS")
.modelRef(new ModelRef("string")).parameterType("header").required(true).build());
pars.add(new ParameterBuilder().name("x-os-version").description("系统版本").defaultValue("10.3.3")
.modelRef(new ModelRef("string")).parameterType("header").required(true).build());
return docket.globalOperationParameters(pars);
}
}
复制代码
转载于:https://juejin.im/post/5d012248e51d45595319e321