/**
 * 配置默认错误页面（仅用于内嵌tomcat启动时） 使用这种方式，在打包为war后不起作用.
 *
 * @return webServerFactoryCustomizer
 */
@Bean
public WebServerFactoryCustomizer<ConfigurableWebServerFactory> webServerFactoryCustomizer() {
    return new WebServerFactoryCustomizer<ConfigurableWebServerFactory>() {
        @Override
        public void customize(ConfigurableWebServerFactory factory) {
            _logger.debug("WebServerFactoryCustomizer ... ");
            ErrorPage errorPage400 = 
                    new ErrorPage(HttpStatus.BAD_REQUEST, "/exception/error/400");
            ErrorPage errorPage404 = 
                    new ErrorPage(HttpStatus.NOT_FOUND, "/exception/error/404");
            ErrorPage errorPage500 = 
                    new ErrorPage(HttpStatus.INTERNAL_SERVER_ERROR, "/exception/error/500");
            factory.addErrorPages(errorPage400, errorPage404, errorPage500);
        }
    };
}
 

@Bean
public WebServerFactoryCustomizer<ConfigurableWebServerFactory> webServerFactoryCustomizer(){
	return new WebServerFactoryCustomizer<ConfigurableWebServerFactory>() {
		@Override
		public void customize(ConfigurableWebServerFactory factory) {
			factory.addErrorPages(new ErrorPage(HttpStatus.NOT_FOUND, "/index.html"));
			//factory.addErrorPages(new ErrorPage(HttpStatus.INTERNAL_SERVER_ERROR, "/index.html"));
		}
	};
}
 

/**
 * 自定义异常处理路径
 *
 * @return
 */
@Bean
public WebServerFactoryCustomizer<ConfigurableWebServerFactory> webServerFactoryCustomizer() {
    return (container -> {
        ErrorPage error400Page = new ErrorPage(HttpStatus.BAD_REQUEST, "/error/400");
        ErrorPage error401Page = new ErrorPage(HttpStatus.UNAUTHORIZED, "/error/401");
        ErrorPage error403Page = new ErrorPage(HttpStatus.FORBIDDEN, "/error/403");
        ErrorPage error404Page = new ErrorPage(HttpStatus.NOT_FOUND, "/error/404");
        ErrorPage error500Page = new ErrorPage(HttpStatus.INTERNAL_SERVER_ERROR, "/error/500");
        ErrorPage errorExPage = new ErrorPage(Throwable.class, "/error/500");
        container.addErrorPages(error400Page, error401Page, error403Page, error404Page, error500Page, errorExPage);
    });
}
 

/**
 * 解决vue-router history 模式下刷新页面的404问题
 */
@Bean
public WebServerFactoryCustomizer<ConfigurableWebServerFactory> webServerFactoryCustomizer(){
    return factory -> {
        ErrorPage error404Page = new ErrorPage(HttpStatus.NOT_FOUND, "/index.html");
        factory.addErrorPages(error404Page);
    };
}
 

@Override
public void customize(ConfigurableWebServerFactory factory) {
    factory.addErrorPages(new ErrorPage(HttpStatus.BAD_REQUEST, "/error/400"));
    factory.addErrorPages(new ErrorPage(HttpStatus.INTERNAL_SERVER_ERROR, "/error/500"));
    factory.addErrorPages(new ErrorPage(HttpStatus.NOT_FOUND, "/error/404"));
}
 

@Override
public void customize(ConfigurableWebServerFactory factory) {
    factory.setPort(8086);
}