调度中心API服务：支持API方式触发任务执行；

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

 import com.xxl.job.admin.dao.XxlJobInfoDao;
 import com.xxl.job.admin.dao.XxlJobLogDao;
 import com.xxl.job.admin.dao.XxlJobRegistryDao;
+import com.xxl.job.admin.service.XxlJobService;
 import com.xxl.job.core.biz.AdminBiz;
 import com.xxl.job.core.biz.model.HandleCallbackParam;
 import com.xxl.job.core.biz.model.RegistryParam;
     private XxlJobInfoDao xxlJobInfoDao;
     @Resource
     private XxlJobRegistryDao xxlJobRegistryDao;
+    @Resource
+    private XxlJobService xxlJobService;
+
 
     @Override
     public ReturnT<String> callback(List<HandleCallbackParam> callbackParamList) {
 
     @Override
     public ReturnT<String> triggerJob(int jobId) {
-        // TODO (thread queue trigger)
-
-        return ReturnT.SUCCESS;
+        return xxlJobService.triggerJob(jobId);
     }
 
 }