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Filter概念写法Fliter生命周期init 初始化doFilter 执行过滤destory 销毁概念写法@WebFilter("/a/*")public class TestFilter1 implements Filter {}//或者在web.xml文件中配置<filter>//过滤器名称 <display-name>TestFilt...

编码问题解决整体思路响应的乱码首先确保eclipse的编码格式（Windows-Preference-General-WorkSpace-TextFileEncoding）字符输出流乱码即【response.getWriter().Write(“输出内容”);】乱码解决方案response.setContentType(“text.html;charset=编码格式”);上述语句...