基于springMVC的session拦截器

package com.chtt.controller; import java.util.HashMap; import java.util.Map; import javax.servlet.http.HttpServletRequest; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import com.login.interceptor.annotation.Interception; @Controller @RequestMapping("/test") public class TestController { @RequestMapping("/login") public String login(HttpServletRequest request){ Map<String, String> userInfo = new HashMap<String, String>(); userInfo.put("user", "test"); request.getSession().setAttribute("userInfo", userInfo); return "redirect:/test/index"; } @Interception(url = "/index" , interceptionName = "userInfo") @RequestMapping("/index") public String index(HttpServletRequest request){ return "/index"; } @Interception(url = "/testIndex" , interceptionName = "userInfo", isApi = true) @RequestMapping("/testIndex") public String testIndex(HttpServletRequest request){ return "/index"; } public static void main(String[] args) { String str = "abcdefg"; byte[] bytes = str.getBytes(); byte[] bytesJS = new byte[bytes.length]; byte[] bytesOS = new byte[bytes.length]; for (int i = 0; i < bytes.length; i++) { if(bytes[i] % 2 == 0){ bytesOS[i] = bytes[i]; }else{ bytesJS[i] = bytes[i]; } } System.out.println("偶数"); int osCount = 0; for (byte b : bytesOS) { System.out.println(b); if(b != 0){ osCount++; } } System.out.println("奇数"); int jsCount = 0; for (byte b : bytesJS) { System.out.println(b); if(b != 0){ jsCount++; } } byte[] bytesOS1 = new byte[osCount]; byte[] bytesJS1 = new byte[jsCount]; for (int i = 0, k = 0; i < bytesOS1.length; ) { if(bytesOS[k] != 0){ bytesOS1[i] = bytesOS[k]; i ++; } k ++; } for (int i = 0, k = 0; i < bytesJS1.length; ) { if(bytesJS[k] != 0){ bytesJS1[i] = bytesJS[k]; i ++; } k ++; } System.out.println("-----------------------"); for (byte b : bytesOS1) { System.out.println(b); } System.out.println("-----------------------"); for (byte b : bytesJS1) { System.out.println(b); } } }