public class MyAuthorityInterceptor implements HandlerInterceptor{
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
//请求中Controller中的方法名
HandlerMethod handlerMethod = (HandlerMethod)handler;
//解析HandlerMethod
String methodName = handlerMethod.getMethod().getName();
String className = handlerMethod.getBean().getClass().getSimpleName();
//解析参数,具体的参数key以及value是什么，我们打印日志
StringBuffer requestParamBuffer = new StringBuffer();
Map paramMap = request.getParameterMap();
Iterator it = paramMap.entrySet().iterator();
while (it.hasNext()){
Map.Entry entry = (Map.Entry)it.next();
String mapKey = (String)entry.getKey();
String mapValue = StringUtils.EMPTY;
//request这个参数的map，里面的value返回的是一个String[]
Object obj = entry.getValue();
if(obj instanceof String[]){
String[] strs = (String[])obj;
mapValue = Arrays.toString(strs);
}
requestParamBuffer.append(mapKey).append("=").append(mapValue);
}
if(StringUtils.equals(className,"UserManageController") && StringUtils.equals(methodName,"login")){
log.info("权限拦截器拦截到请求,className:{},methodName:{}",className,methodName);
//如果是拦截到登录请求，不打印参数，因为参数里面有密码，全部会打印到日志中，防止日志泄露
return true;
}
log.info("权限拦截器拦截到请求,className:{},methodName:{},param:{}",className,methodName,requestParamBuffer.toString());
}
}
---------------------------------
@Configuration
public class MyWebMvcConfigurer implements WebMvcConfigurer {
@Override
public void addInterceptors(InterceptorRegistry registry) {
MyAuthorityInterceptor myAuthorityInterceptor =new MyAuthorityInterceptor ();
registry.addInterceptor(myAuthorityInterceptor);
}
}
