本文详细介绍了如何使用Java实现编码过滤器，包括过滤器配置、处理请求与响应的方法，以及编码获取机制。通过实例展示了编码过滤器在实际场景中的应用。
<filter>
<filter-name></filter-name>
<filter-class>Encoding</filter-class>
</filter>
<filter-mapping>
<filter-name></filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
import java.io.IOException; import java.util.ResourceBundle; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; public class Encoding implements Filter { public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { String env = getString("encoding", "env"); request.setCharacterEncoding(env); response.setCharacterEncoding(env); long time = System.currentTimeMillis(); chain.doFilter(request, response); time = System.currentTimeMillis() - time; } private String getString(String baseName, String key) { return ResourceBundle.getBundle(baseName).getString(key); } public void destroy() { // TODO Auto-generated method stub } public void init(FilterConfig filterConfig) throws ServletException { // TODO Auto-generated method stub } }
import java.io.IOException; import java.util.ResourceBundle; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; public class Encoding implements Filter { public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { String env = getString("encoding", "env"); request.setCharacterEncoding(env); response.setCharacterEncoding(env); long time = System.currentTimeMillis(); chain.doFilter(request, response); time = System.currentTimeMillis() - time; } private String getString(String baseName, String key) { return ResourceBundle.getBundle(baseName).getString(key); } public void destroy() { // TODO Auto-generated method stub } public void init(FilterConfig filterConfig) throws ServletException { // TODO Auto-generated method stub } }
扫一扫
被折叠的 条评论
为什么被折叠?
到【灌水乐园】发言
