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2025-06-17 17:08:14 +08:00
commit 71179324c8
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package org.dromara.common.web.config;
import jakarta.servlet.DispatcherType;
import org.dromara.common.web.config.properties.XssProperties;
import org.dromara.common.web.filter.XssFilter;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
/**
* Filter配置
*
* @author Lion Li
*/
@AutoConfiguration
@EnableConfigurationProperties(XssProperties.class)
public class FilterConfig {
@Bean
@ConditionalOnProperty(value = "xss.enabled", havingValue = "true")
public FilterRegistrationBean<XssFilter> xssFilterRegistration() {
FilterRegistrationBean<XssFilter> registration = new FilterRegistrationBean<>();
registration.setDispatcherTypes(DispatcherType.REQUEST);
registration.setFilter(new XssFilter());
registration.addUrlPatterns("/*");
registration.setName("xssFilter");
registration.setOrder(FilterRegistrationBean.HIGHEST_PRECEDENCE + 1);
return registration;
}
}

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package org.dromara.common.web.config;
import org.dromara.common.web.core.I18nLocaleResolver;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.web.servlet.LocaleResolver;
/**
* 国际化配置
*
* @author Lion Li
*/
@AutoConfiguration(before = WebMvcAutoConfiguration.class)
public class I18nConfig {
@Bean
public LocaleResolver localeResolver() {
return new I18nLocaleResolver();
}
}

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package org.dromara.common.web.config;
import org.dromara.common.web.handler.GlobalExceptionHandler;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
/**
* 通用配置
*
* @author Lion Li
*/
@AutoConfiguration
public class ResourcesConfig implements WebMvcConfigurer {
@Override
public void addInterceptors(InterceptorRegistry registry) {
}
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
}
/**
* 全局异常处理器
*/
@Bean
public GlobalExceptionHandler globalExceptionHandler() {
return new GlobalExceptionHandler();
}
}

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package org.dromara.common.web.config;
import io.undertow.server.DefaultByteBufferPool;
import io.undertow.server.handlers.DisallowedMethodsHandler;
import io.undertow.util.HttpString;
import io.undertow.websockets.jsr.WebSocketDeploymentInfo;
import org.dromara.common.core.utils.SpringUtils;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.web.embedded.undertow.UndertowServletWebServerFactory;
import org.springframework.boot.web.server.WebServerFactoryCustomizer;
import org.springframework.core.task.VirtualThreadTaskExecutor;
/**
* Undertow 自定义配置
*
* @author Lion Li
*/
@AutoConfiguration
public class UndertowConfig implements WebServerFactoryCustomizer<UndertowServletWebServerFactory> {
/**
* 自定义 Undertow 配置
* <p>
* 主要配置内容包括:
* 1. 配置 WebSocket 部署信息
* 2. 在虚拟线程模式下使用虚拟线程池
* 3. 禁用不安全的 HTTP 方法,如 CONNECT、TRACE、TRACK
* </p>
*
* @param factory Undertow 的 Web 服务器工厂
*/
@Override
public void customize(UndertowServletWebServerFactory factory) {
// 默认不直接分配内存 如果项目中使用了 websocket 建议直接分配
factory.addDeploymentInfoCustomizers(deploymentInfo -> {
// 配置 WebSocket 部署信息,设置 WebSocket 使用的缓冲区池
WebSocketDeploymentInfo webSocketDeploymentInfo = new WebSocketDeploymentInfo();
webSocketDeploymentInfo.setBuffers(new DefaultByteBufferPool(true, 1024));
deploymentInfo.addServletContextAttribute("io.undertow.websockets.jsr.WebSocketDeploymentInfo", webSocketDeploymentInfo);
// 如果启用了虚拟线程,配置 Undertow 使用虚拟线程池
if (SpringUtils.isVirtual()) {
// 创建虚拟线程池,线程池前缀为 "undertow-"
VirtualThreadTaskExecutor executor = new VirtualThreadTaskExecutor("undertow-");
// 设置虚拟线程池为执行器和异步执行器
deploymentInfo.setExecutor(executor);
deploymentInfo.setAsyncExecutor(executor);
}
// 配置禁止某些不安全的 HTTP 方法(如 CONNECT、TRACE、TRACK
deploymentInfo.addInitialHandlerChainWrapper(handler -> {
// 禁止三个方法 CONNECT/TRACE/TRACK 也是不安全的 避免爬虫骚扰
HttpString[] disallowedHttpMethods = {
HttpString.tryFromString("CONNECT"),
HttpString.tryFromString("TRACE"),
HttpString.tryFromString("TRACK")
};
// 使用 DisallowedMethodsHandler 拦截并拒绝这些方法的请求
return new DisallowedMethodsHandler(handler, disallowedHttpMethods);
});
});
}
}

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package org.dromara.common.web.config.properties;
import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import java.util.ArrayList;
import java.util.List;
/**
* XSS跨站脚本配置
*
* @author Lion Li
*/
@Data
@RefreshScope
@ConfigurationProperties(prefix = "xss")
public class XssProperties {
/**
* Xss开关
*/
private Boolean enabled;
/**
* 排除路径
*/
private List<String> excludeUrls = new ArrayList<>();
}

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package org.dromara.common.web.core;
import org.dromara.common.core.domain.R;
/**
* web层通用数据处理
*
* @author Lion Li
*/
public class BaseController {
/**
* 响应返回结果
*
* @param rows 影响行数
* @return 操作结果
*/
protected R<Void> toAjax(int rows) {
return rows > 0 ? R.ok() : R.fail();
}
/**
* 响应返回结果
*
* @param result 结果
* @return 操作结果
*/
protected R<Void> toAjax(boolean result) {
return result ? R.ok() : R.fail();
}
}

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package org.dromara.common.web.core;
import org.springframework.web.servlet.LocaleResolver;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.util.Locale;
/**
* 获取请求头国际化信息
*
* @author Lion Li
*/
public class I18nLocaleResolver implements LocaleResolver {
@Override
public Locale resolveLocale(HttpServletRequest httpServletRequest) {
String language = httpServletRequest.getHeader("content-language");
Locale locale = Locale.getDefault();
if (language != null && language.length() > 0) {
String[] split = language.split("_");
locale = new Locale(split[0], split[1]);
}
return locale;
}
@Override
public void setLocale(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Locale locale) {
}
}

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package org.dromara.common.web.filter;
import jakarta.servlet.*;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.dromara.common.core.utils.SpringUtils;
import org.dromara.common.core.utils.StringUtils;
import org.dromara.common.web.config.properties.XssProperties;
import org.springframework.http.HttpMethod;
import java.io.IOException;
import java.util.List;
/**
* 防止XSS攻击的过滤器
*
* @author Lion Li
*/
public class XssFilter implements Filter {
@Override
public void init(FilterConfig filterConfig) {
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
HttpServletRequest req = (HttpServletRequest) request;
HttpServletResponse resp = (HttpServletResponse) response;
if (handleExcludeURL(req, resp)) {
chain.doFilter(request, response);
return;
}
XssHttpServletRequestWrapper xssRequest = new XssHttpServletRequestWrapper((HttpServletRequest) request);
chain.doFilter(xssRequest, response);
}
private boolean handleExcludeURL(HttpServletRequest request, HttpServletResponse response) {
String url = request.getServletPath();
String method = request.getMethod();
// GET DELETE 不过滤
if (method == null || HttpMethod.GET.matches(method) || HttpMethod.DELETE.matches(method)) {
return true;
}
// 每次都获取处理 支持nacos热更配置
XssProperties properties = SpringUtils.getBean(XssProperties.class);
String prefix = StringUtils.blankToDefault(request.getHeader("X-Forwarded-Prefix"), "");
// 从请求头获取gateway转发的服务前缀
List<String> excludeUrls = properties.getExcludeUrls().stream()
.filter(x -> StringUtils.startsWith(x, prefix))
.map(x -> x.replaceFirst(prefix, StringUtils.EMPTY))
.toList();
return StringUtils.matches(url, excludeUrls);
}
@Override
public void destroy() {
}
}

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package org.dromara.common.web.filter;
import cn.hutool.core.io.IoUtil;
import cn.hutool.core.map.MapUtil;
import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.http.HtmlUtil;
import jakarta.servlet.ReadListener;
import jakarta.servlet.ServletInputStream;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletRequestWrapper;
import org.dromara.common.core.utils.StringUtils;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;
/**
* XSS过滤处理
*
* @author ruoyi
*/
public class XssHttpServletRequestWrapper extends HttpServletRequestWrapper {
/**
* @param request
*/
public XssHttpServletRequestWrapper(HttpServletRequest request) {
super(request);
}
@Override
public String getParameter(String name) {
String value = super.getParameter(name);
if (value == null) {
return null;
}
return HtmlUtil.cleanHtmlTag(value).trim();
}
@Override
public Map<String, String[]> getParameterMap() {
Map<String, String[]> valueMap = super.getParameterMap();
if (MapUtil.isEmpty(valueMap)) {
return valueMap;
}
// 避免某些容器不允许改参数的情况 copy一份重新改
Map<String, String[]> map = new HashMap<>(valueMap.size());
map.putAll(valueMap);
for (Map.Entry<String, String[]> entry : map.entrySet()) {
String[] values = entry.getValue();
if (values != null) {
int length = values.length;
String[] escapseValues = new String[length];
for (int i = 0; i < length; i++) {
// 防xss攻击和过滤前后空格
escapseValues[i] = HtmlUtil.cleanHtmlTag(values[i]).trim();
}
map.put(entry.getKey(), escapseValues);
}
}
return map;
}
@Override
public String[] getParameterValues(String name) {
String[] values = super.getParameterValues(name);
if (ArrayUtil.isEmpty(values)) {
return values;
}
int length = values.length;
String[] escapseValues = new String[length];
for (int i = 0; i < length; i++) {
// 防xss攻击和过滤前后空格
escapseValues[i] = HtmlUtil.cleanHtmlTag(values[i]).trim();
}
return escapseValues;
}
@Override
public ServletInputStream getInputStream() throws IOException {
// 非json类型直接返回
if (!isJsonRequest()) {
return super.getInputStream();
}
// 为空,直接返回
String json = StrUtil.str(IoUtil.readBytes(super.getInputStream(), false), StandardCharsets.UTF_8);
if (StringUtils.isEmpty(json)) {
return super.getInputStream();
}
// xss过滤
json = HtmlUtil.cleanHtmlTag(json).trim();
byte[] jsonBytes = json.getBytes(StandardCharsets.UTF_8);
final ByteArrayInputStream bis = IoUtil.toStream(jsonBytes);
return new ServletInputStream() {
@Override
public boolean isFinished() {
return true;
}
@Override
public boolean isReady() {
return true;
}
@Override
public int available() throws IOException {
return jsonBytes.length;
}
@Override
public void setReadListener(ReadListener readListener) {
}
@Override
public int read() throws IOException {
return bis.read();
}
};
}
/**
* 是否是Json请求
*/
public boolean isJsonRequest() {
String header = super.getHeader(HttpHeaders.CONTENT_TYPE);
return StringUtils.startsWithIgnoreCase(header, MediaType.APPLICATION_JSON_VALUE);
}
}

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package org.dromara.common.web.handler;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.http.HttpStatus;
import com.fasterxml.jackson.core.JsonParseException;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.validation.ConstraintViolation;
import jakarta.validation.ConstraintViolationException;
import lombok.extern.slf4j.Slf4j;
import org.dromara.common.core.domain.R;
import org.dromara.common.core.exception.ServiceException;
import org.dromara.common.core.exception.SseException;
import org.dromara.common.core.exception.base.BaseException;
import org.dromara.common.core.utils.StreamUtils;
import org.dromara.common.json.utils.JsonUtils;
import org.springframework.context.support.DefaultMessageSourceResolvable;
import org.springframework.http.converter.HttpMessageNotReadableException;
import org.springframework.validation.BindException;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.MissingPathVariableException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.method.annotation.MethodArgumentTypeMismatchException;
import org.springframework.web.servlet.NoHandlerFoundException;
import java.io.IOException;
/**
* 全局异常处理器
*
* @author Lion Li
*/
@Slf4j
@RestControllerAdvice
public class GlobalExceptionHandler {
/**
* 请求方式不支持
*/
@ExceptionHandler(HttpRequestMethodNotSupportedException.class)
public R<Void> handleHttpRequestMethodNotSupported(HttpRequestMethodNotSupportedException e,
HttpServletRequest request) {
String requestURI = request.getRequestURI();
log.error("请求地址'{}',不支持'{}'请求", requestURI, e.getMethod());
return R.fail(HttpStatus.HTTP_BAD_METHOD, e.getMessage());
}
/**
* 业务异常
*/
@ExceptionHandler(ServiceException.class)
public R<Void> handleServiceException(ServiceException e, HttpServletRequest request) {
log.error(e.getMessage());
Integer code = e.getCode();
return ObjectUtil.isNotNull(code) ? R.fail(code, e.getMessage()) : R.fail(e.getMessage());
}
/**
* 认证失败
*/
@ResponseStatus(org.springframework.http.HttpStatus.UNAUTHORIZED)
@ExceptionHandler(SseException.class)
public String handleNotLoginException(SseException e, HttpServletRequest request) {
String requestURI = request.getRequestURI();
log.debug("请求地址'{}',认证失败'{}',无法访问系统资源", requestURI, e.getMessage());
return JsonUtils.toJsonString(R.fail(HttpStatus.HTTP_UNAUTHORIZED, "认证失败,无法访问系统资源"));
}
/**
* servlet异常
*/
@ExceptionHandler(ServletException.class)
public R<Void> handleServletException(ServletException e, HttpServletRequest request) {
String requestURI = request.getRequestURI();
log.error("请求地址'{}',发生未知异常.", requestURI, e);
return R.fail(e.getMessage());
}
/**
* 业务异常
*/
@ExceptionHandler(BaseException.class)
public R<Void> handleBaseException(BaseException e, HttpServletRequest request) {
log.error(e.getMessage());
return R.fail(e.getMessage());
}
/**
* 请求路径中缺少必需的路径变量
*/
@ExceptionHandler(MissingPathVariableException.class)
public R<Void> handleMissingPathVariableException(MissingPathVariableException e, HttpServletRequest request) {
String requestURI = request.getRequestURI();
log.error("请求路径中缺少必需的路径变量'{}',发生系统异常.", requestURI);
return R.fail(String.format("请求路径中缺少必需的路径变量[%s]", e.getVariableName()));
}
/**
* 请求参数类型不匹配
*/
@ExceptionHandler(MethodArgumentTypeMismatchException.class)
public R<Void> handleMethodArgumentTypeMismatchException(MethodArgumentTypeMismatchException e, HttpServletRequest request) {
String requestURI = request.getRequestURI();
log.error("请求参数类型不匹配'{}',发生系统异常.", requestURI);
return R.fail(String.format("请求参数类型不匹配,参数[%s]要求类型为:'%s',但输入值为:'%s'", e.getName(), e.getRequiredType().getName(), e.getValue()));
}
/**
* 找不到路由
*/
@ExceptionHandler(NoHandlerFoundException.class)
public R<Void> handleNoHandlerFoundException(NoHandlerFoundException e, HttpServletRequest request) {
String requestURI = request.getRequestURI();
log.error("请求地址'{}'不存在.", requestURI);
return R.fail(HttpStatus.HTTP_NOT_FOUND, e.getMessage());
}
/**
* 拦截未知的运行时异常
*/
@ResponseStatus(org.springframework.http.HttpStatus.INTERNAL_SERVER_ERROR)
@ExceptionHandler(IOException.class)
public void handleRuntimeException(IOException e, HttpServletRequest request) {
String requestURI = request.getRequestURI();
if (requestURI.contains("sse")) {
// sse 经常性连接中断 例如关闭浏览器 直接屏蔽
return;
}
log.error("请求地址'{}',连接中断", requestURI, e);
}
/**
* 拦截未知的运行时异常
*/
@ExceptionHandler(RuntimeException.class)
public R<Void> handleRuntimeException(RuntimeException e, HttpServletRequest request) {
String requestURI = request.getRequestURI();
log.error("请求地址'{}',发生未知异常.", requestURI, e);
return R.fail(e.getMessage());
}
/**
* 系统异常
*/
@ExceptionHandler(Exception.class)
public R<Void> handleException(Exception e, HttpServletRequest request) {
String requestURI = request.getRequestURI();
log.error("请求地址'{}',发生系统异常.", requestURI, e);
return R.fail(e.getMessage());
}
/**
* 自定义验证异常
*/
@ExceptionHandler(BindException.class)
public R<Void> handleBindException(BindException e) {
log.error(e.getMessage());
String message = StreamUtils.join(e.getAllErrors(), DefaultMessageSourceResolvable::getDefaultMessage, ", ");
return R.fail(message);
}
/**
* 自定义验证异常
*/
@ExceptionHandler(ConstraintViolationException.class)
public R<Void> constraintViolationException(ConstraintViolationException e) {
log.error(e.getMessage());
String message = StreamUtils.join(e.getConstraintViolations(), ConstraintViolation::getMessage, ", ");
return R.fail(message);
}
/**
* 自定义验证异常
*/
@ExceptionHandler(MethodArgumentNotValidException.class)
public R<Void> handleMethodArgumentNotValidException(MethodArgumentNotValidException e) {
log.error(e.getMessage());
String message = StreamUtils.join(e.getBindingResult().getAllErrors(), DefaultMessageSourceResolvable::getDefaultMessage, ", ");
return R.fail(message);
}
/**
* JSON 解析异常Jackson 在处理 JSON 格式出错时抛出)
* 可能是请求体格式非法,也可能是服务端反序列化失败
*/
@ExceptionHandler(JsonParseException.class)
public R<Void> handleJsonParseException(JsonParseException e, HttpServletRequest request) {
String requestURI = request.getRequestURI();
log.error("请求地址'{}' 发生 JSON 解析异常: {}", requestURI, e.getMessage());
return R.fail(HttpStatus.HTTP_BAD_REQUEST, "请求数据格式错误JSON 解析失败):" + e.getMessage());
}
/**
* 请求体读取异常(通常是请求参数格式非法、字段类型不匹配等)
*/
@ExceptionHandler(HttpMessageNotReadableException.class)
public R<Void> handleHttpMessageNotReadableException(HttpMessageNotReadableException e, HttpServletRequest request) {
log.error("请求地址'{}', 参数解析失败: {}", request.getRequestURI(), e.getMessage());
return R.fail(HttpStatus.HTTP_BAD_REQUEST, "请求参数格式错误:" + e.getMostSpecificCause().getMessage());
}
}

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org.dromara.common.web.config.FilterConfig
org.dromara.common.web.config.I18nConfig
org.dromara.common.web.config.UndertowConfig
org.dromara.common.web.config.ResourcesConfig

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<?xml version="1.0" encoding="UTF-8"?>
<included>
<property name="log.pattern" value="%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n"/>
<!-- 控制台输出 -->
<appender name="file_console" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${log.path}/console.log</file>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- 日志文件名格式 -->
<fileNamePattern>${log.path}/console.%d{yyyy-MM-dd}.log</fileNamePattern>
<!-- 日志最大 1天 -->
<maxHistory>1</maxHistory>
</rollingPolicy>
<encoder>
<pattern>${log.pattern}</pattern>
<charset>utf-8</charset>
</encoder>
<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
<!-- 过滤的级别 -->
<level>INFO</level>
</filter>
</appender>
<!-- 系统日志输出 -->
<appender name="file_info" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${log.path}/info.log</file>
<!-- 循环政策:基于时间创建日志文件 -->
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- 日志文件名格式 -->
<fileNamePattern>${log.path}/info.%d{yyyy-MM-dd}.log</fileNamePattern>
<!-- 日志最大的历史 60天 -->
<maxHistory>60</maxHistory>
</rollingPolicy>
<encoder>
<pattern>${log.pattern}</pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<!-- 过滤的级别 -->
<level>INFO</level>
<!-- 匹配时的操作:接收(记录) -->
<onMatch>ACCEPT</onMatch>
<!-- 不匹配时的操作:拒绝(不记录) -->
<onMismatch>DENY</onMismatch>
</filter>
</appender>
<appender name="file_error" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${log.path}/error.log</file>
<!-- 循环政策:基于时间创建日志文件 -->
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- 日志文件名格式 -->
<fileNamePattern>${log.path}/error.%d{yyyy-MM-dd}.log</fileNamePattern>
<!-- 日志最大的历史 60天 -->
<maxHistory>60</maxHistory>
</rollingPolicy>
<encoder>
<pattern>${log.pattern}</pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<!-- 过滤的级别 -->
<level>ERROR</level>
<!-- 匹配时的操作:接收(记录) -->
<onMatch>ACCEPT</onMatch>
<!-- 不匹配时的操作:拒绝(不记录) -->
<onMismatch>DENY</onMismatch>
</filter>
</appender>
<!-- info异步输出 -->
<appender name="async_info" class="ch.qos.logback.classic.AsyncAppender">
<!-- 不丢失日志.默认的,如果队列的80%已满,则会丢弃TRACT、DEBUG、INFO级别的日志 -->
<discardingThreshold>0</discardingThreshold>
<!-- 更改默认的队列的深度,该值会影响性能.默认值为256 -->
<queueSize>512</queueSize>
<!-- 添加附加的appender,最多只能添加一个 -->
<appender-ref ref="file_info"/>
</appender>
<!-- error异步输出 -->
<appender name="async_error" class="ch.qos.logback.classic.AsyncAppender">
<!-- 不丢失日志.默认的,如果队列的80%已满,则会丢弃TRACT、DEBUG、INFO级别的日志 -->
<discardingThreshold>0</discardingThreshold>
<!-- 更改默认的队列的深度,该值会影响性能.默认值为256 -->
<queueSize>512</queueSize>
<!-- 添加附加的appender,最多只能添加一个 -->
<appender-ref ref="file_error"/>
</appender>
<!--系统操作日志-->
<root level="info">
<appender-ref ref="async_info"/>
<appender-ref ref="async_error"/>
<appender-ref ref="file_console"/>
</root>
</included>