@Configuration
public class Log4j2Config {
@Bean
public Logger logger() {
Resource resource = new ClassPathResource("log4j2.properties");
String configFileName = (resource.getFilename() == null) ? "log4j2.properties" : resource.getFilename();
System.setProperty("log4j.configurationFile", configFileName);
return LogManager.getLogger(Log4j2Config.class);
}
}
public class ServletContainersInitConfig extends AbstractAnnotationConfigDispatcherServletInitializer {
protected Class[] getRootConfigClasses() {
return new Class[0];
}
protected Class[] getServletConfigClasses() {
return new Class[]{SpringMvcConfig.class};
}
protected String[] getServletMappings() {
return new String[]{"/"};//拦截所有静态资源
}
//乱码处理
@Override
protected Filter[] getServletFilters() {
CharacterEncodingFilter filter = new CharacterEncodingFilter();
filter.setEncoding("UTF-8");
return new Filter[]{filter};
}
@PostConstruct
public void initLog4j2() {
logger.debug("Initializing Log4j2");
// 执行log4j2的初始化操作
}
}
@Configuration
@ComponentScan("com.***")
@EnableWebMvc
public class SpringMvcConfig {
}
@EnableWebMvc
@Configuration
public class WebConfig implements WebMvcConfigurer {
@Override
public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
configurer.enable();
}
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
//当访问/pages/????时候，从/pages目录下查找内容
registry.addResourceHandler("/pages/**").addResourceLocations("/pages/");
registry.addResourceHandler("/js/**").addResourceLocations("/js/");
registry.addResourceHandler("/css/**").addResourceLocations("/css/");
registry.addResourceHandler("/plugins/**").addResourceLocations("/plugins/");
}
}
//Controller类 打印日志
@Log4j2
@RestController
@RequestMapping("/books")
public class BookController {
private static final Logger logger = LogManager.getLogger(BookController.class);
//Logger对象的实例化通过注解来实现，所以此处可以直接调用日志方法
public BookController() {
logger.debug("Creating a new instance of BookController");
}
@PostMapping
public String save(@RequestBody Book book){
System.out.println("book save success");
logger.info("book save ==> "+ book);
log.debug("book save ==> " + book); // 添加一条额外的日志输出语句
return "{'module':'book save success'}";
}
@GetMapping
public List该回答引用GPTᴼᴾᴱᴺᴬᴵ
在控制台和日志文件都没有输出日志信息的情况下，可以按照以下步骤来检查并解决问题：