$(".submitLogin").click(function() { var userName = $("input[type='text']").val() var userPassword = $("input[type='password']").val() if(userName.length == 0 || userPassword.length ==0) { alert("账户密码为空") } else { $.ajax({ url: 'http://127.0.0.1:3000/admin/api/login', type: 'POST', headers: { token: '645e8c56a66e32792f224730fd238711' }, data: { name: userName, pwd: userPassword }, success: function(res) { if (res.status == 200) { location.href = "/admin/home" } else { alert(res.message) } }, error: function(err) { } }) } });