增加DNS阻断无策略检验.

src/main/java/com/nis/web/controller/configuration/maintenance/DnsIpCfgController.java

@@ -180,6 +180,22 @@ public class DnsIpCfgController extends BaseController {
 		return "redirect:" + adminPath +"/cfg/dnsIp/list?functionId="+functionId;
 	}
 	
+	/**
+	 * DNS阻断无策略时检验
+	 * @param entity
+	 * @param request
+	 * @param response
+	 * @return
+	 */
+	@ResponseBody
+	@RequestMapping(value = {"/dnsNoStrategyCheck"})
+	public boolean dnsNoStrategyCheck(DnsIpCfg entity, HttpServletRequest request, HttpServletResponse response){
+		List<DnsIpCfg> list = dnsIpCfgService.getValidCfgInfo(entity);
+		if(list.size() > 0){
+			return true;
+		}
+		return false;
+	}
 	
 	//dnsIp配置导出
 		@RequestMapping(value = "exportDnsIp")