Session attribute ‘user’ required - not found in session的解決方法
利用@ModelAttribute先初始化user，保證session中有該屬性值 @ModelAttribute//在任何一次請求前，都會執行@ModelAttribute修飾的方法
public void queryUserById(Map<String,Object> map) {
System.out.println("nihao");
User user = new User(
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相關文章
- 1. 解決方案：python version 2.7 required,which was not found in
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