优化验证码失效策略

src/main/java/org/sss/presentation/noui/controller/LoginController.java

@@ -60,6 +60,7 @@ public class LoginController {
             map.put("j_dncode", dncode);
             map.put("j_sendcode", sendcode);
             map.put("j_verifycode", verifycode);
+            RedisUtil.delete(kb);
             context = NoUiContextManager.createNoUiContext(noUiRequest);
 
             if (context.getSession().login(map)) {

src/main/java/org/sss/presentation/noui/controller/VerifyCodeCreateController.java

@@ -30,6 +30,7 @@ public class VerifyCodeCreateController {
     private static final Log log = LogFactory.getLog(VerifyCodeCreateController.class);
     private static final int width = 100;//验证码图片宽度
     private static final int height = 50;//验证码图片高度
+    private static final int vcsessionout = 120;//验证码超时时间
 
     @Autowired
     private NoUiVersion noUiVersion;
@@ -73,7 +74,7 @@ public class VerifyCodeCreateController {
             }
             String kb=key.toString().toLowerCase();
             log.info("key==="+kb);
-            RedisUtil.set(kb, codes.toString());
+            RedisUtil.set(kb, codes.toString(),vcsessionout);
 
 //            request.getSession().setAttribute(Constants.VERIFYCODE, codes.toString());
             ImageIO.write(bi, "JPG", response.getOutputStream());

src/main/java/org/sss/presentation/noui/util/RedisUtil.java

@@ -87,6 +87,10 @@ public class RedisUtil {
     }
 
     public static void set(String key, Object value) throws Exception {
+        set(key,value,sessionTimeOut);
+    }
+
+    public static void set(String key, Object value,int sessionTimeOut) throws Exception {
 
         checkRedisNodeAvailable();
         getRedisConnection().opsForValue().set(key, value);