SpringBoot项目中改变web服务的路径的两种方案

背景：

之前是spring项目，增加了servlet，对应非访问路径如/defA/inner-invoke/operator。

现在改造成了springboot项目后，默认路径是/oprator

希望不改动原有controller代码，让路径能够增加前缀让外面能正常调用。

原web.XML配置：

  <!-- Web Servlet Configuration -->
  <servlet>
    <servlet-name>stariboss</servlet-name>
    <servlet-class>com.osgi.web.servlet.SpringProxyServlet</servlpythonet-class>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>defA</servlet-name>
    <url-pattern>*.do</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
	<servlet-name>defA</servlet-name>
	<url-pattern>/inner-invoke/*</url-pattern>
  </servlet-mapping>
  <!-- End Web Servlet Configuration -->

方案一、统一增加前缀并增加拦截

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.PathMatchConfigurer;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
@Configuration
public class WebIntfConfig implements WebMvcConfigurer {
 
    @Autowired
    private编程 SessionManagerInterceptor sessionManagerInterceptor;
    @Autowired
    private LoginCheckInterceptor loginCheckInterceptor;
 
 
    @Override
    public void configurePathMatch(PathMatchConfigurer configurer) {
        configurer.addPathPrefix("/defA/inner-invoke", c -> c.isAnnotationPresent(Controller.class) || c.isAnnotationPresent(RestController.class));
    }
 
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(sessionManagerInterceptor)
                .addPathPatterns("/defA/inner-invoke/**");
 
        registry.addInterceptor(loginCheckInterceptor)
                .addPathPatterns("/defA/inner-invoke/**");
    }
}

方案二：增加拦截器，然后服务器内部增加请求转发

import org.springframework.stereotype.Component;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
 
import Javax.servlet.RequestDispatcher;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
 
@Component
public class MvcRequestInterceptor extends HandlerInterceptorAdapter {
 
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        // 获取原始请求路径
        String originalPath = request.getRequestURI();
 
        // 检查请求路径并决定是否需要重定向
        if (originalPath.startsWith("/defA/inner-invoke/")) {
            // 将请求重定向到新的路径
            String newpath = transformUrl(originalPath);
 
            // 获取 RequestDispatcher
            RequestDispatcher dispatcher = request.getRequestDispatcher(newPath);
 
            // 在服务器端内部转发请求
            dispatcher.forward(request, response);
 
            // 返回 false 表示请求已被处理，不再继续
            return false;
        }
 
        // 如果不需要重定向，则继续处理请求
        return true;
    }
 
    private String transformUrl(String currentUrl) {
        // 这里实现URL转换逻辑
        return currentUrl.replace("/defA/inner-invoke/", "/");
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
@Configuration
public class IntfInterceptorConfig implements WebMvcConfigurer {
 
    @Autowired
    private MvcRequestInterceptor mvcRequestInterceptor;
    @Autowired
    private SessionManagerInterceptor sessionManagerInterceptor;
    @Autowired
    private LoginCheckInterceptor loginCheckInterceptor;
 
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(mvcRequestInterceptor).addPathPatterns("/defA/inner-invoke/**");
        registry.addInterceptor(sessionManagerInterceptor).addPathPatterns("/**");
        registry.addInterceptor(loginCheckInterceptor).addPathPatterns("/**");
    }
}

增加其他几个拦截器相关代码

@Component
public class SessionManagerInterceptor extends HandlerInterceptorAdapter {
 
	private final Log logger = LogFactory.getLog(SessionManagerInterceptor.class);
	
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
		try {
			preReadRemoteInvocation(request);
			return true;
		} finally {
			preWriteRemoteInvocationResult(response,handler);
		}
	}
	
	private void preReadRemoteInvocation(HttpServletRequest request) {
		String sessionId = request.getHeader("sessionId");
 
		ApplicationSession appSession =null;
		if(sesphpsionId!=null && sessionId.length()>0){
			appSession = getCache().getSession(sessionId);
			if(appSession == null){
				if (logger.isWarnEnabled()) {
					logger.warn("not find session: " + sessionId);
				}
			}else{
				if (logger.isDebugEnabled()) {
					logger.debug("getSession: " + sessionId);
				}
			}
		}
		
		if(appSession==null){
			appSession = ApplicationSession.create();
			if (logger.isDebugEnabled()) {
				logger.debug("create a new Session: " + appSession.getId());
			}
		}
 
		ApplicationSessionHolder.put(appSession);
	}
 
	private void preWriteRemoteInvocationResult(HttpServletResponse response,Object handler) {
		ApplicationSession appSession = ApplicationSessionHolder.getApplicationSession();
		if (appSession != null) {
			if (ApplicationSessionHolder.isClear() 
					&& !"login".equals(((HandlerMethod)handler).getMethod().getName())) {
				if (logger.isInfoEnabled()) {
					logger.info("remove cache Session : " + appSession.getId());
				}
				getCache().clearSession(appSession.getId());
			} else {
				appSession.updateLastAccessedTime();
				response.setHeader("sessionId", appSession.getId());
				getCache().putSession(appSession);
			}
//			ApplicationSessionHolder.remove();
		}
	}
 
	public ISessionCache getCache() {
		if (BeanFactoryHolder.getContext().containsBean("proxySessionCache")) {
			return (ISessionCache) BeanFactoryHolder.getContext().getBean("proxySessionCache");
		}
		return (ISessionCache) BeanFactoryHolder.getContext().getBean("sessionCache");
	}
 
}

package com.star.sms.webconfig;
 
import com.star.sms.business.core.ApplicationSessionHolder;
import com.star.sms.business.core.BeanFactoryHolder;
import com.star.sms.exceptions.BossInnerServiceInvokeException;
import com.star.sms.model.core.ApplicationSession;
import com.star.sms.remote.session.ISessionCache;
import org.apache.commons.lang.ArrayUtils;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
@Component
public class LoginCheckInterceptor extends HandlerInterceptorAdapter {
 
	private String[] methods = { "login",android "logout", "unlock", "getVersion","getSystemParamInt", "getSession","getSupplyOperatorRecordSwitch" ,"agentLogin"};
	
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws BossInnerServiceInvokeException {
		if (!(handler instanceof HandlerMethod)) {http://www.devze.com
			return true;
		}
		if (!ArrayUtils.contains(methods, ((HandlerMethod)handler).getMethod().getName()) && !isLogin()) {
			String sessionId = request.getHeader("sessionId");
			if (StringUtils.hasText(sessionId)) {
 
				ApplicationSession session = getCache().getSession(sessionId);
				if (session == null || session.getAttribute("operator") == null) {
		            throw BossInnerServiceInvokeException.error("not.login");
				}else{
					session.updateLastAccessedTime();
					getCache().putSession(session);
					ApplicationSessionHolder.put(session);
				}
			} else {
	            throw BossInnerServiceInvokeException.error("not.login");
			}
		} 
		return true;
	}
 
 
	public static boolean isLogin() {
		ApplicationSession session = ApplicationSessionHolder.getApplicationSession();
		if (session == null) {
			return false;
		}
		Object o = session.getAttribute("operator");
		return o != null;
	}
 
 
	public ISessionCache getCache() {
		if (BeanFactoryHolder.getContext().containsBean("proxySessionCache")) {
			return (ISessionCache) BeanFactoryHolder.getContext().getBean("proxySessionCache");
		}
		return (ISessionCache) BeanFactoryHolder.getContext().getBean("sessionCache");
	}
}

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