let Authorization = localStorage.getItem("smz-token"); $.ajaxSetup({ cache : false, headers : { "Authorization" : Authorization }, error : function(xhr, textStatus, errorThrown) { var msg = xhr.responseText; var response = JSON.parse(msg); var code = response.code; var message = response.message; if (code == 400) { layer.msg(message); } else if (code == 401) { localStorage.removeItem("smz-token"); location.href = '/login.html'; } else if (code == 403) { console.log("未授权:" + message); layer.msg('未授权'); } else if (code == 500) { layer.msg('系统错误:' + message); } } });