如何使用按钮(javascript?)激活SharePoint 2013工作流

<button id="activateWorkflowButton">激活工作流</button>

<script type="text/javascript">
document.getElementById("activateWorkflowButton").onclick = function() {
    activateWorkflow();
};

function activateWorkflow() {
    var context = new SP.ClientContext.get_current();
    var web = context.get_web();
    var list = web.get_lists().getByTitle('列表名称');
    var item = list.getItemById(1); // 根据需要激活工作流的列表项ID进行修改

    context.load(item);
    context.executeQueryAsync(function() {
        var wfServiceManager = SP.WorkflowServices.WorkflowServicesManager.newObject(context, web);
        var subscription = wfServiceManager.getWorkflowSubscriptionService().getSubscription('工作流订阅ID'); // 根据需要激活的工作流订阅ID进行修改

        wfServiceManager.getWorkflowInstanceService().startWorkflowOnListItem(subscription, item);

        context.executeQueryAsync(function() {
            alert('工作流已成功激活！');
        }, function(sender, args) {
            alert('激活工作流时发生错误：' + args.get_message());
        });
    }, function(sender, args) {
        alert('获取列表项时发生错误：' + args.get_message());
    });
}
</script>