新增 LocaleUtils 本地化语言和时区对象管理工具类

common/src/main/java/com/jeesite/common/utils/LocaleUtils.java

@@ -0,0 +1,93 @@
+/**
+ * Copyright (c) 2013-Now http://jeesite.com All rights reserved.
+ * No deletion without permission, or be held responsible to law.
+ */
+package com.jeesite.common.utils;
+
+import com.jeesite.common.io.PropertiesUtils;
+import com.jeesite.common.web.http.ServletUtils;
+import org.springframework.context.i18n.TimeZoneAwareLocaleContext;
+import org.springframework.core.NamedThreadLocal;
+import org.springframework.web.servlet.LocaleContextResolver;
+
+import javax.servlet.http.HttpServletRequest;
+import java.util.Locale;
+import java.util.TimeZone;
+
+/**
+ * 本地化工具
+ * @author ThinkGem
+ * @version 2025-05-21
+ */
+public class LocaleUtils {
+
+	private static final Boolean LANG_ENABLED = PropertiesUtils.getInstance().getPropertyToBoolean("lang.enabled", "false");
+	private static final ThreadLocal<TimeZoneAwareLocaleContext> timeZoneAwareLocaleContext = new NamedThreadLocal<>("TimeZoneAwareLocaleContext");
+	private static LocaleContextResolver localeResolver;
+
+	/**
+	 * 获取当前 Locale 对象，获取顺序：请求 -> 会话 -> Cookie -> lang.defaultLocale
+	 */
+	public static Locale getLocale() {
+		return getTimeZoneAwareLocaleContext().getLocale();
+	}
+
+	/**
+	 * 获取当前 TimeZone 对象，获取顺序：请求 -> 会话 -> Cookie -> lang.defaultTimeZone
+	 */
+	public static TimeZone getTimeZone() {
+		return getTimeZoneAwareLocaleContext().getTimeZone();
+	}
+
+	/**
+	 * 获取 TimeZoneAwareLocaleContext
+	 */
+	public static TimeZoneAwareLocaleContext getTimeZoneAwareLocaleContext() {
+		TimeZoneAwareLocaleContext context = timeZoneAwareLocaleContext.get();
+		if (context != null){
+			return context;
+		}
+		if (LANG_ENABLED && localeResolver != null){
+			HttpServletRequest request = ServletUtils.getRequest();
+			if (request != null){
+				context = (TimeZoneAwareLocaleContext)localeResolver.resolveLocaleContext(request);
+			}
+		}
+		if (context == null){
+			context = new TimeZoneAwareLocaleContext() {
+				@Override
+				public Locale getLocale() {
+					return Locale.getDefault();
+				}
+				@Override
+				public TimeZone getTimeZone() {
+					return TimeZone.getDefault();
+				}
+			};
+		}
+		setTimeZoneAwareLocaleContext(context);
+		return context;
+	}
+
+	/**
+	 * 设置 TimeZoneAwareLocaleContext
+	 */
+	public static void setTimeZoneAwareLocaleContext(TimeZoneAwareLocaleContext context) {
+		timeZoneAwareLocaleContext.set(context);
+	}
+
+	/**
+	 * 清理本地线程对象（请求结束时调用）
+	 */
+	public static void removeTimeZoneAwareLocaleContext() {
+		timeZoneAwareLocaleContext.remove();
+	}
+
+	/**
+	 * 设置 LocaleContextResolver
+	 */
+	public static void setLocaleResolver(LocaleContextResolver localeResolver) {
+		LocaleUtils.localeResolver = localeResolver;
+	}
+
+}

modules/core/src/main/java/com/jeesite/modules/config/web/IpAddrFilterConfig.java

@@ -6,11 +6,13 @@ package com.jeesite.modules.config.web;
 
 import com.jeesite.common.config.Global;
 import com.jeesite.common.lang.StringUtils;
+import com.jeesite.common.utils.LocaleUtils;
 import com.jeesite.common.web.http.ServletUtils;
 import org.springframework.boot.web.servlet.FilterRegistrationBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.Ordered;
+import org.springframework.web.servlet.LocaleContextResolver;
 
 import javax.servlet.Filter;
 import javax.servlet.ServletRequest;
@@ -28,7 +30,7 @@ public class IpAddrFilterConfig {
 	private static String[] denyPrefixes;
 
 	@Bean
-	public FilterRegistrationBean<Filter> ipAddrFilter() {
+	public FilterRegistrationBean<Filter> ipAddrFilter(LocaleContextResolver localeResolver) {
 		FilterRegistrationBean<Filter> bean = new FilterRegistrationBean<>();
 		bean.setName("ipAddrFilter");
 		bean.setOrder(Ordered.HIGHEST_PRECEDENCE + 10);
@@ -40,7 +42,9 @@ public class IpAddrFilterConfig {
 				response.setStatus(403);
 				ServletUtils.renderString(response, Global.getText("访问拒绝"));
 			}
+			LocaleUtils.removeTimeZoneAwareLocaleContext();
 		});
+		LocaleUtils.setLocaleResolver(localeResolver);
 		bean.addUrlPatterns("/*");
 		return bean;
 	}