.my-nav {
			clear: both;
		}

		.my-nav li {
			height: 30px;
			width: 100px;
			float: left;
		}

		.my-tab-content {
			clear: both;
		}

		.tab-panel {
			display: none;
		}

		.tab-panel.active {
			display: block;
		}

		a.disable{
			color: #999999;
			text-decoration: none;
		}

						<!-- Nav tabs -->
						<ul class="my-nav">
							<li role="presentation" class="active"><a href="#home" aria-controls="home" role="tab"
									data-toggle="tab">Home</a></li>
							<li role="presentation"><a href="#profile" aria-controls="profile" role="tab"
									data-toggle="tab">Profile</a></li>
							<li role="presentation"><a href="#messages" aria-controls="messages" role="tab"
									data-toggle="tab">Messages</a></li>
							<li role="presentation"><a href="#settings" aria-controls="settings" role="tab"
									data-toggle="tab">Settings</a></li>
							<li role="presentation"><a href="#forbid" class="disable">禁止</a></li>
						</ul>

						<!-- Tab panes -->
						<div class="my-tab-content">
							<div class="tab-panel active" id="home">1</div>
							<div class="tab-panel" id="profile">2</div>
							<div class="tab-panel" id="messages">3</div>
							<div class="tab-panel" id="settings">4</div>
							<div class="tab-panel" id="forbid">5</div>
						</div>

		$(".my-nav li a").click(function () {
			let id = $(this).attr("href").substring(1);
			$(".tab-panel").removeClass("active");
			$("#" + id).addClass("active");
			$(".disable").attr("disabled", true).css("pointer-events", "none");
		})

注意：添加了class类为“disable”的tab将被禁掉。