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Merge pull request #66 from justlive1/master

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Fix:Refresh的单位其实是秒
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SnailClimb 2018-12-12 21:00:13 +08:00 committed by GitHub
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Java相关/J2EE基础知识.md
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@ -123,9 +123,9 @@ redirect:低.
## 自动刷新(Refresh)
自动刷新不仅可以实现一段时间之后自动跳转到另一个页面，还可以实现一段时间之后自动刷新本页面。Servlet中通过HttpServletResponse对象设置Header属性实现自动刷新例如：
```java
Response.setHeader("Refresh","1000;URL=http://localhost:8080/servlet/example.htm");
Response.setHeader("Refresh","5;URL=http://localhost:8080/servlet/example.htm");
```
其中1000为时间，单位为毫秒。URL指定就是要跳转的页面（如果设置自己的路径，就会实现没过一秒自动刷新本页面一次）
其中5为时间，单位为秒。URL指定就是要跳转的页面（如果设置自己的路径，就会实现没过一秒自动刷新本页面一次）
## Servlet与线程安全