springboot注册拦截器不生效
通常注册filter是向下面这样注册的，但是如果使用lambda又没有写filter名字就会导致后面的不生效，因为注册时是按照名字作为key存入map里面的，如果已经注册后面同名的就会忽略。
如果没有给名字，名字就是filter的类名，而lambda的类型是object类，所以是同名的。
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| @Bean
public FilterRegistrationBean<Filter> timeFilter() {
FilterRegistrationBean<Filter> reg = new FilterRegistrationBean<>();
reg.setFilter((request, response, chain) -> {
HttpServletRequest req = (HttpServletRequest) request;
try {
chain.doFilter(request, response);
} finally {
log.info("1111");
}
});
reg.addUrlPatterns("/*");
return reg;
}
@Bean
public FilterRegistrationBean<Filter> timeFilter() {
FilterRegistrationBean<Filter> reg = new FilterRegistrationBean<>();
reg.setFilter((request, response, chain) -> {
HttpServletRequest req = (HttpServletRequest) request;
try {
chain.doFilter(request, response);
} finally {
log.info("222");
}
});
reg.addUrlPatterns("/*");
return reg;
}
|
上面这样写，第二个是不生效的，正确的做法是像下面这样，给使用setName设置一个名字
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| @Bean
public FilterRegistrationBean<Filter> timeFilter() {
FilterRegistrationBean<Filter> reg = new FilterRegistrationBean<>();
reg.setFilter((request, response, chain) -> {
HttpServletRequest req = (HttpServletRequest) request;
try {
chain.doFilter(request, response);
} finally {
log.info("1111");
}
});
reg.addUrlPatterns("/*");
reg.setName("filter1");
return reg;
}
|