不能删除ASN 组中的最后一个ASN IP，做了前台Ajax验证

src/main/java/com/nis/web/controller/basics/AsnIpController.java

@@ -118,4 +118,12 @@ public class AsnIpController extends BaseController{
 		}
 		return false;
 	}
+	@RequestMapping(value="ajaxIsLast",method=RequestMethod.POST)
+	@ResponseBody
+	public boolean ajaxIsLast(Model model,@RequestParam(required=true,value="serviceGroupIds")String serviceGroupIds){
+		if(StringUtils.isNotBlank(serviceGroupIds)) {
+			return asnIpCfgService.hasLastIp(serviceGroupIds);
+		}
+		return false;
+	}
 }

src/main/java/com/nis/web/dao/basics/AsnIpCfgDao.java

@@ -18,4 +18,5 @@ public interface AsnIpCfgDao extends CrudDao<AsnIpCfg>{
 	public List<AsnIpCfg> findAllList(AsnIpCfg cfg);
 	public List<ConfigGroupInfo> findPolicyGroupInfosByType(@Param("groupId")Integer groupId);
 	public List<Integer>  findOtherIps(@Param("groupId")Integer groupId,@Param("cfgId")Integer cfgId);
+	public List<Integer> countValidIPs(@Param("ids")String ids);
 }

src/main/java/com/nis/web/dao/basics/AsnIpCfgDao.xml

@@ -381,10 +381,13 @@
 	  from config_group_info c where c.group_type= #{groupId}
 	</select>
 	<select id="findOtherIps" resultType="java.lang.Integer" parameterType="java.lang.Integer">
-	  select 1 from asn_ip_cfg where is_valid=1 and asn_ip_group=#{groupId} and cfg_id !=#{cfgId} limit 2
+	  select 1 from asn_ip_cfg where is_valid=1 and asn_ip_group=#{groupId} and cfg_id !=#{cfgId} limit 1
 	</select>
 	<select id="hasGroupIds" resultType="java.lang.Integer" parameterType="java.lang.Integer">
-	  select 1 from asn_ip_cfg where is_valid !=-1 and asn_ip_group in(${ids}) limit 2
+	  select 1 from asn_ip_cfg where is_valid !=-1 and asn_ip_group in(${ids}) limit 1
+	</select>
+	<select id="countValidIPs" resultType="java.lang.Integer" parameterType="java.lang.Integer">
+	  select count(1) from asn_ip_cfg where is_valid !=-1 and asn_ip_group in(${ids}) GROUP BY asn_ip_group;
 	</select>
 	
 </mapper>

src/main/java/com/nis/web/service/basics/AsnIpCfgService.java

@@ -171,4 +171,22 @@ public class AsnIpCfgService extends CrudService<CrudDao<AsnIpCfg>, AsnIpCfg> {
 		// TODO Auto-generated method stub
 		return asnIpCfgDao.findPolicyGroupInfosByType(groupId);
 	}
+	/**
+	 * 选中组中是否含有只剩一个未删除IP的组
+	 * @param serviceGroupIds
+	 * @return
+	 */
+	public boolean hasLastIp(String serviceGroupIds) {
+		// TODO Auto-generated method stub
+		for(String groupId:serviceGroupIds.split(",")) {
+			Long.parseLong(groupId);
+		}
+		List<Integer> countList=asnIpCfgDao.countValidIPs(serviceGroupIds);
+		for(Integer count:countList) {
+			if(count==1) {
+				return true;
+			}
+		}
+		return false;
+	}
 }

src/main/resources/messages/message_en.properties

@@ -1139,3 +1139,4 @@ asn_ip_configuration=ASN IP Configuration
 asn_policy=ASN Policy
 asn_ip_group=ASN IP Group
 can_not_delete_has_ip_asn_group=Can not delete ASN group which has ASN IP
+last_ip_in_asn_group=Can not delete last IP in an ASN group

src/main/resources/messages/message_zh_CN.properties

@@ -1136,3 +1136,4 @@ asn_ip_configuration=ASN IP\u914D\u7F6E
 asn_policy=ASN\u7B56\u7565
 asn_ip_group=ASN IP\u7EC4
 can_not_delete_has_ip_asn_group=\u4E0D\u80FD\u5220\u9664\u5305\u542BASN IP\u7684 ASN\u7EC4
+last_ip_in_asn_group=\u4E0D\u80FD\u5220\u9664ASN\u7EC4\u4E2D\u7684\u6700\u540E\u4E00\u4E2AIP

src/main/webapp/WEB-INF/tags/sys/delRow.tag

@@ -50,8 +50,30 @@ function del(url){
 			top.$.jBox.tip("<spring:message code='has_prohibit_delete'/>", "<spring:message code='info'/>");
 			return;
 		}else{
+			var serviceGroupIds=[],canDel=true;
+			$(checkboxes).filter(":checked").each(function(){
+				if($(this).attr("serviceGroupId")){
+					serviceGroupIds.push($(this).attr("serviceGroupId"));
+				}
+			})
+			if(serviceGroupIds.length>0){
+				$.ajax({
+ 	 				type:'post',
+ 	 				url:'${ctx}/basics/asn/ajaxIsLast',
+ 	 				data:{"serviceGroupIds":serviceGroupIds.join(',')},
+ 	 				async:false,
+ 	 				success:function(data,textStatus){//处理返回结果
+ 	 					if(data){
+ 	 						top.$.jBox.tip('<spring:message code="last_ip_in_asn_group"/>');
+ 	 						canDel=false;
+ 	 					}
+ 	 				}
+ 	 			});
+			}
+			if(canDel){
 				doAll(checkboxes,url);
 			}
+		}
 	}else{
 		top.$.jBox.tip("<spring:message code='one_more'/>", "<spring:message code='info'/>");
 		return;