标签:HttpServletRequest 拦截器 request import interceptor servlet public
InterceptorConfig代码
package com.xt.cn.springboot.interceptor.config; import com.xt.cn.springboot.interceptor.interceptor.LogCostInterceptor; import org.springframework.context.annotation.Configuration; import org.springframework.web.servlet.config.annotation.InterceptorRegistry; import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter; @Configuration public class InterceptorConfig extends WebMvcConfigurerAdapter{ @Override public void addInterceptors(InterceptorRegistry registry){ //registry.addInterceptor(new LogCostInterceptor()).addPathPatterns("/**"); registry.addInterceptor(new LogCostInterceptor()).addPathPatterns("/test1"); registry.addInterceptor(new LogCostInterceptor()).addPathPatterns("/test2"); super.addInterceptors(registry); } }
LogCostInterceptor代码
package com.xt.cn.springboot.interceptor.interceptor; import org.springframework.web.servlet.HandlerInterceptor; import org.springframework.web.servlet.ModelAndView; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import java.io.PrintWriter; import java.util.Enumeration; public class LogCostInterceptor implements HandlerInterceptor { long start = System.currentTimeMillis(); @Override public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { /*HttpSession session = request.getSession(); session.setAttribute("user","zhangsan"); session.setAttribute("pwd",123456); Enumeration<String> attributeNames = session.getAttributeNames(); while (attributeNames.hasMoreElements()){ String k = attributeNames.nextElement(); System.out.println(k+"--"+session.getAttribute(k)); }*/ String userName = request.getParameter("username"); System.out.println("请求执行之前:userName="+userName + "111"); return true; } @Override public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception { String userName = request.getParameter("username"); System.out.println("请求执行之后:userName="+userName + "222"); } @Override public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception { } }
Test1Controller代码
package com.xt.cn.springboot.interceptor.controller; import org.springframework.web.bind.annotation.*; import javax.servlet.http.HttpServletRequest; @RestController public class Test1Controller { @GetMapping("/test1") public String test(HttpServletRequest request, String username) { System.out.println("controller中username=" + username); System.out.println("请求头中的Cookie信息:" + request.getHeader("Cookie")); return "123"; } @GetMapping("/test2") public String test2(HttpServletRequest request) { return "123"; } }
标签:HttpServletRequest,拦截器,request,import,interceptor,servlet,public 来源: https://www.cnblogs.com/ixtao/p/16485963.html
本站声明: 1. iCode9 技术分享网(下文简称本站)提供的所有内容,仅供技术学习、探讨和分享; 2. 关于本站的所有留言、评论、转载及引用,纯属内容发起人的个人观点,与本站观点和立场无关; 3. 关于本站的所有言论和文字,纯属内容发起人的个人观点,与本站观点和立场无关; 4. 本站文章均是网友提供,不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属;如您发现该文章侵犯了您的权益,可联系我们第一时间进行删除; 5. 本站为非盈利性的个人网站,所有内容不会用来进行牟利,也不会利用任何形式的广告来间接获益,纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。