Swagger + knife4j ，并设置header入参

配置代码

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.builders.RequestParameterBuilder;
import springfox.documentation.schema.ScalarType;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.ParameterType;
import springfox.documentation.service.RequestParameter;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2WebMvc;

import java.util.ArrayList;
import java.util.List;

/**
 * swagger配置
 *
 */
@Configuration
@EnableSwagger2WebMvc
public class SwaggerConfig {
    
    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2)
            .apiInfo(apiInfo())
            .select()
            .apis(RequestHandlerSelectors.basePackage("com.plan.baseinfo"))
            .paths(PathSelectors.any())
            .build()
            .globalRequestParameters(getGlobalRequestParameters());
    }

    //生成全局通用参数
    private List<RequestParameter> getGlobalRequestParameters() {
        List<RequestParameter> parameters = new ArrayList<>();
        parameters.add(new RequestParameterBuilder().name("x-user-id").description("用户编号").in(ParameterType.HEADER)
            .query(q -> q.model(m -> m.scalarModel(ScalarType.STRING)).defaultValue("2222222222"))
            .required(true)
            .build());
        return parameters;
    }
    
    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
            .title("plan-baseinfo RESTful APIs")
            .build();
    }

}