定义Locale默认国际化配置

 package com.ruoyi.common.constant;
 
+import java.util.Locale;
 import io.jsonwebtoken.Claims;
 
 /**
@@ -20,6 +21,11 @@ public class Constants
     public static final String GBK = "GBK";
 
     /**
+     * 系统语言
+     */
+    public static final Locale DEFAULT_LOCALE = Locale.SIMPLIFIED_CHINESE;
+
+    /**
      * www主域
      */
     public static final String WWW = "www.";

+package com.ruoyi.framework.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.LocaleResolver;
+import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
+import org.springframework.web.servlet.i18n.SessionLocaleResolver;
+import com.ruoyi.common.constant.Constants;
+
+/**
+ * 资源文件配置加载
+ * 
+ * @author ruoyi
+ */
+@Configuration
+public class I18nConfig implements WebMvcConfigurer
+{
+    @Bean
+    public LocaleResolver localeResolver()
+    {
+        SessionLocaleResolver slr = new SessionLocaleResolver();
+        // 默认语言
+        slr.setDefaultLocale(Constants.DEFAULT_LOCALE);
+        return slr;
+    }
+
+    @Bean
+    public LocaleChangeInterceptor localeChangeInterceptor()
+    {
+        LocaleChangeInterceptor lci = new LocaleChangeInterceptor();
+        // 参数名
+        lci.setParamName("lang");
+        return lci;
+    }
+
+    @Override
+    public void addInterceptors(InterceptorRegistry registry)
+    {
+        registry.addInterceptor(localeChangeInterceptor());
+    }
+}