springboot(八)自定義Filter
阿新 • • 發佈:2018-07-29
frame ide inf 執行權 tps pattern n) filters nts
自定義Filter
我們常常在項目中會使用filters用於錄調用日誌、排除有XSS威脅的字符、執行權限驗證等等。
Spring Boot自動添加了OrderedCharacterEncodingFilter和HiddenHttpMethodFilter,並且我們可以自定義Filter。
兩個步驟:
實現Filter接口,實現Filter方法
添加@Configurationz 註解,將自定義Filter加入過濾鏈
package cn.cnki.ref.filter; import org.apache.catalina.filters.RemoteIpFilter;import org.springframework.boot.web.servlet.FilterRegistrationBean; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import javax.servlet.*; import javax.servlet.http.HttpServletRequest; import java.io.IOException; @Configurationpublic class WebConfiguration { @Bean public RemoteIpFilter remoteIpFilter() { return new RemoteIpFilter(); } @Bean public FilterRegistrationBean testFilterRegistration() { FilterRegistrationBean registration = new FilterRegistrationBean(); registration.setFilter(new MyFilter()); registration.addUrlPatterns("/*"); registration.addInitParameter("paramName", "paramValue"); registration.setName("MyFilter"); registration.setOrder(1); return registration; } public class MyFilter implements Filter { @Override public void destroy() { // TODO Auto-generated method stub } @Override public void doFilter(ServletRequest srequest, ServletResponse sresponse, FilterChain filterChain) throws IOException, ServletException { // TODO Auto-generated method stub HttpServletRequest request = (HttpServletRequest) srequest; System.out.println("this is MyFilter,url :"+request.getRequestURI()); filterChain.doFilter(srequest, sresponse); } @Override public void init(FilterConfig arg0) throws ServletException { // TODO Auto-generated method stub } } }
測試結果
自定義Property
在web開發的過程中,我經常需要自定義一些配置文件,如何使用呢
springboot(八)自定義Filter