add 增加 完整国际化解决方案

ruoyi-framework/src/main/java/com/ruoyi/framework/config/I18nConfig.java

@@ -0,0 +1,48 @@
+package com.ruoyi.framework.config;
+
+import cn.hutool.core.util.StrUtil;
+import org.jetbrains.annotations.NotNull;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.LocaleResolver;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.util.Locale;
+
+/**
+ * 国际化配置
+ *
+ * @author Lion Li
+ */
+@Configuration
+public class I18nConfig {
+
+	@Bean
+	public LocaleResolver localeResolver() {
+		return new I18nLocaleResolver();
+	}
+
+	/**
+	 * 获取请求头国际化信息
+	 */
+	static class I18nLocaleResolver implements LocaleResolver {
+
+		@NotNull
+		@Override
+		public Locale resolveLocale(HttpServletRequest httpServletRequest) {
+			String language = httpServletRequest.getHeader("content-language");
+			Locale locale = Locale.getDefault();
+			if (StrUtil.isNotBlank(language)) {
+				String[] split = language.split("_");
+				locale = new Locale(split[0], split[1]);
+			}
+			return locale;
+		}
+
+		@Override
+		public void setLocale(@NotNull HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Locale locale) {
+
+		}
+	}
+}