011-filter模板
1 模板一
package ${enclosing_package}; import java.io.IOException; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.Filter; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; public class ${primary_type_name} implements Filter{ public ${primary_type_name}(){ super(); } private FilterConfig filterConfig; public void init(FilterConfig filterConfig) throws ServletException{ this.filterConfig = filterConfig; } public void doFilter(ServletRequest req, ServletResponse res, FilterChain filterChain){ try{ HttpServletRequest request = (HttpServletRequest) req; HttpServletResponse response = (HttpServletResponse) res; HttpSession session = request.getSession(); // 这里放到达目的地前(进入)处理代码 filterChain.doFilter(req, res); // 这里放到达目的地(离开)的处理代码 } catch (IOException e){ e.printStackTrace(); } catch (ServletException e){ e.printStackTrace(); } } public void destroy(){ } }
2 模板二
package ${enclosing_package}; import java.io.IOException; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.Filter; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; public class ${primary_type_name} implements Filter { public ${primary_type_name}() { super(); } private FilterConfig filterConfig; public void init(FilterConfig filterConfig) throws ServletException { this.filterConfig = filterConfig; } public void doFilter(ServletRequest req, ServletResponse res, FilterChain filterChain) throws IOException, ServletException { HttpServletRequest request = (HttpServletRequest) req; HttpServletResponse response = (HttpServletResponse) res; HttpSession session = request.getSession(); // 这里放到达目的地前(进入)处理代码 filterChain.doFilter(req, res); // 这里放到达目的地(离开)的处理代码 } public void destroy() { } }
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