任务下次运行时间优化：支持Cron、固定间隔等多种时间计算。

xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobInfoController.java

@@ -8,6 +8,7 @@ import com.xxl.job.admin.core.model.XxlJobUser;
 import com.xxl.job.admin.core.route.ExecutorRouteStrategyEnum;
 import com.xxl.job.admin.core.scheduler.MisfireStrategyEnum;
 import com.xxl.job.admin.core.scheduler.ScheduleTypeEnum;
+import com.xxl.job.admin.core.thread.JobScheduleHelper;
 import com.xxl.job.admin.core.thread.JobTriggerPoolHelper;
 import com.xxl.job.admin.core.trigger.TriggerTypeEnum;
 import com.xxl.job.admin.core.util.I18nUtil;
@@ -18,6 +19,8 @@ import com.xxl.job.core.biz.model.ReturnT;
 import com.xxl.job.core.enums.ExecutorBlockStrategyEnum;
 import com.xxl.job.core.glue.GlueTypeEnum;
 import com.xxl.job.core.util.DateUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -36,6 +39,7 @@ import java.util.*;
 @Controller
 @RequestMapping("/jobinfo")
 public class JobInfoController {
+	private static Logger logger = LoggerFactory.getLogger(JobInfoController.class);
 
 	@Resource
 	private XxlJobGroupDao xxlJobGroupDao;
@@ -148,23 +152,29 @@ public class JobInfoController {
 
 	@RequestMapping("/nextTriggerTime")
 	@ResponseBody
-	public ReturnT<List<String>> nextTriggerTime(String cron) {
+	public ReturnT<List<String>> nextTriggerTime(String scheduleType, String scheduleConf) {
+
+		XxlJobInfo paramXxlJobInfo = new XxlJobInfo();
+		paramXxlJobInfo.setScheduleType(scheduleType);
+		paramXxlJobInfo.setScheduleConf(scheduleConf);
+
 		List<String> result = new ArrayList<>();
 		try {
-			CronExpression cronExpression = new CronExpression(cron);
 			Date lastTime = new Date();
 			for (int i = 0; i < 5; i++) {
-				lastTime = cronExpression.getNextValidTimeAfter(lastTime);
+				lastTime = JobScheduleHelper.generateNextValidTime(paramXxlJobInfo, lastTime);
 				if (lastTime != null) {
 					result.add(DateUtil.formatDateTime(lastTime));
 				} else {
 					break;
 				}
 			}
-		} catch (ParseException e) {
-			return new ReturnT<List<String>>(ReturnT.FAIL_CODE, I18nUtil.getString("jobinfo_field_cron_unvalid"));
+		} catch (Exception e) {
+			logger.error(e.getMessage(), e);
+			return new ReturnT<List<String>>(ReturnT.FAIL_CODE, (I18nUtil.getString("schedule_type")+I18nUtil.getString("system_unvalid")) + e.getMessage());
 		}
 		return new ReturnT<List<String>>(result);
+
 	}
 	
 }

xxl-job-admin/src/main/java/com/xxl/job/admin/service/impl/XxlJobServiceImpl.java

@@ -79,11 +79,11 @@ public class XxlJobServiceImpl implements XxlJobService {
 		}
 		if (scheduleTypeEnum == ScheduleTypeEnum.CRON) {
 			if (jobInfo.getScheduleConf()==null || !CronExpression.isValidExpression(jobInfo.getScheduleConf())) {
-				return new ReturnT<String>(ReturnT.FAIL_CODE, I18nUtil.getString("jobinfo_field_cron_unvalid") );
+				return new ReturnT<String>(ReturnT.FAIL_CODE, "Cron"+I18nUtil.getString("system_unvalid"));
 			}
 		} else if (scheduleTypeEnum == ScheduleTypeEnum.FIX_RATE/* || scheduleTypeEnum == ScheduleTypeEnum.FIX_DELAY*/) {
 			if (jobInfo.getScheduleConf() == null) {
-				return new ReturnT<String>(ReturnT.FAIL_CODE, (I18nUtil.getString("schedule_type")+I18nUtil.getString("system_unvalid")) );
+				return new ReturnT<String>(ReturnT.FAIL_CODE, (I18nUtil.getString("schedule_type")) );
 			}
 			try {
 				int fixSecond = Integer.valueOf(jobInfo.getScheduleConf());
@@ -183,7 +183,7 @@ public class XxlJobServiceImpl implements XxlJobService {
 		}
 		if (scheduleTypeEnum == ScheduleTypeEnum.CRON) {
 			if (jobInfo.getScheduleConf()==null || !CronExpression.isValidExpression(jobInfo.getScheduleConf())) {
-				return new ReturnT<String>(ReturnT.FAIL_CODE, I18nUtil.getString("jobinfo_field_cron_unvalid") );
+				return new ReturnT<String>(ReturnT.FAIL_CODE, "Cron"+I18nUtil.getString("system_unvalid") );
 			}
 		} else if (scheduleTypeEnum == ScheduleTypeEnum.FIX_RATE /*|| scheduleTypeEnum == ScheduleTypeEnum.FIX_DELAY*/) {
 			if (jobInfo.getScheduleConf() == null) {

xxl-job-admin/src/main/resources/i18n/message_en.properties

@@ -117,7 +117,6 @@ jobinfo_field_jobdesc=Job description
 jobinfo_field_timeout=Job timeout period
 jobinfo_field_gluetype=GLUE Type
 jobinfo_field_executorparam=Param
-jobinfo_field_cron_unvalid=The Cron is illegal
 jobinfo_field_author=Author
 jobinfo_field_alarmemail=Alarm email
 jobinfo_field_alarmemail_placeholder=Please enter alarm mail, if there are more than one comma separated

xxl-job-admin/src/main/resources/i18n/message_zh_CN.properties

@@ -116,7 +116,6 @@ jobinfo_field_jobgroup=执行器
 jobinfo_field_jobdesc=任务描述
 jobinfo_field_gluetype=运行模式
 jobinfo_field_executorparam=任务参数
-jobinfo_field_cron_unvalid=Cron格式非法
 jobinfo_field_author=负责人
 jobinfo_field_timeout=任务超时时间
 jobinfo_field_alarmemail=报警邮件

xxl-job-admin/src/main/resources/i18n/message_zh_TC.properties

@@ -116,7 +116,6 @@ jobinfo_field_jobgroup=執行器
 jobinfo_field_jobdesc=任務描述
 jobinfo_field_gluetype=運行模式
 jobinfo_field_executorparam=任務參數
-jobinfo_field_cron_unvalid=Cron 格式非法
 jobinfo_field_author=負責人
 jobinfo_field_timeout=任務超時秒數
 jobinfo_field_alarmemail=告警郵件

xxl-job-admin/src/main/resources/static/js/jobinfo.index.1.js

@@ -118,10 +118,16 @@ $(function() {
                                     start_stop_div = '<li><a href="javascript:void(0);" class="job_operate" _type="job_resume" >'+ I18n.jobinfo_opt_start +'</a></li>\n';
                                 }
 
+                                // job_next_time_html
+								var job_next_time_html = '';
+								if (row.scheduleType == 'CRON' || row.scheduleType == 'FIX_RATE') {
+									job_next_time_html = '<li><a href="javascript:void(0);" class="job_next_time" >' + I18n.jobinfo_opt_next_time + '</a></li>\n';
+								}
+
                                 // log url
                                 var logHref = base_url +'/joblog?jobId='+ row.id;
 
-                                // log url
+                                // code url
                                 var codeBtn = "";
                                 if ('BEAN' != row.glueType) {
                                     var codeUrl = base_url +'/jobcode?jobId='+ row.id;
@@ -143,7 +149,7 @@ $(function() {
                                     '       <li><a href="javascript:void(0);" class="job_trigger" >'+ I18n.jobinfo_opt_run +'</a></li>\n' +
                                     '       <li><a href="'+ logHref +'">'+ I18n.jobinfo_opt_log +'</a></li>\n' +
                                     '       <li><a href="javascript:void(0);" class="job_registryinfo" >' + I18n.jobinfo_opt_registryinfo + '</a></li>\n' +
-                                    '       <li><a href="javascript:void(0);" class="job_next_time" >' + I18n.jobinfo_opt_next_time + '</a></li>\n' +
+									job_next_time_html +
                                     '       <li class="divider"></li>\n' +
                                     codeBtn +
                                     start_stop_div +
@@ -329,17 +335,16 @@ $(function() {
         var id = $(this).parents('ul').attr("_id");
         var row = tableData['key'+id];
 
-        var jobCron = row.jobCron;
-
         $.ajax({
             type : 'POST',
             url : base_url + "/jobinfo/nextTriggerTime",
             data : {
-                "cron" : jobCron
+                "scheduleType" : row.scheduleType,
+				"scheduleConf" : row.scheduleConf
             },
             dataType : "json",
             success : function(data){
-            	
+
             	if (data.code != 200) {
                     layer.open({
                         title: I18n.jobinfo_opt_next_time ,
@@ -585,9 +590,6 @@ $(function() {
 				required : true,
 				maxlength: 50
 			},
-			jobCron : {
-				required : true
-			},
 			author : {
 				required : true
 			}
@@ -596,9 +598,6 @@ $(function() {
 			jobDesc : {
                 required : I18n.system_please_input + I18n.jobinfo_field_jobdesc
 			},
-			jobCron : {
-				required : I18n.system_please_input + "Cron"
-			},
 			author : {
 				required : I18n.system_please_input + I18n.jobinfo_field_author
 			}

xxl-job-admin/src/main/resources/static/plugins/cronGen/cronGen.js

@@ -641,7 +641,8 @@
             type : 'GET',
             url : base_url + "/jobinfo/nextTriggerTime",
             data : {
-                "cron" : inputElement.val(),
+                "scheduleType" : 'CRON',
+                "scheduleConf" : inputElement.val()
             },
             dataType : "json",
             success : function(data){

xxl-job-admin/src/main/resources/static/plugins/cronGen/cronGen_en.js

@@ -641,7 +641,8 @@
             type : 'GET',
             url : base_url + "/jobinfo/nextTriggerTime",
             data : {
-                "cron" : inputElement.val(),
+                "scheduleType" : 'CRON',
+                "scheduleConf" : inputElement.val()
             },
             dataType : "json",
             success : function(data){