#{item.user.username} Cannot read property 'role' of null
each?item?in?post
???p?#{item.user}{ role: 'user', photo: '1464012781497.jpeg', __v: 0, password: '$2a$10$7KRaZMKLPC0OTgjX0DhKbu7PDMaS/.SVdf47r2P8yFc2EMIL8/.jW', username: 'blue', _id: 5735afe3b1b96809a3c2ab63 }
{ role: 'user', photo: '1463238772190.jpeg', __v: 0, password: '$2a$10$fmDvO4WFOk68Ef0ag5728Ony2OUnf5EflUPhsVqEcduuddBd2OjhC', username: '喵醬', _id: 57373fa8d20c9b041bf23b28 }
{ role: 'user', photo: '1463238772190.jpeg', __v: 0, password: '$2a$10$fmDvO4WFOk68Ef0ag5728Ony2OUnf5EflUPhsVqEcduuddBd2OjhC', username: '喵醬', _id: 57373fa8d20c9b041bf23b28 }
---
each?item?in?post
???p?#{item.user.username}Cannot read property 'username' of null
為什么啊~~~！?。。。。。。。。。。。。。?！1
2016-05-26
出現類似于Cannot read property 'username' of null 之類的空指針異常，一般都是對象為空值，鑒于你問題描述不夠清楚，可能是：
渲染本頁面的時候post沒有傳遞過來或者為空