基于SpringBoot 实现国际化配置的完整源码示例

package com.github.jitwxs.sample.i18n.config; import org.springframework.util.StringUtils; import org.springframework.web.servlet.LocaleResolver; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import java.util.Locale; public class CustomSessionLocaleResolver implements LocaleResolver { private static final String I18N_LANGUAGE = "language"; private static final String I18N_LANGUAGE_SESSION = "i18n_language_session"; @Override public Locale resolveLocale(HttpServletRequest req) { String i18nLanguage = req.getParameter(I18N_LANGUAGE); Locale locale = Locale.getDefault(); if (!StringUtils.isEmpty(i18nLanguage)) { String[] language = i18nLanguage.split("_"); locale = new Locale(language[0], language[1]); //将国际化语言保存到session HttpSession session = req.getSession(); session.setAttribute(I18N_LANGUAGE_SESSION, locale); } else { //如果没有带国际化参数，则判断session有没有保存，有保存，则使用保存的，也就是之前设置的，避免之后的请求不带国际化参数造成语言显示不对 HttpSession session = req.getSession(); Locale localeInSession = (Locale) session.getAttribute(I18N_LANGUAGE_SESSION); if (localeInSession != null) { locale = localeInSession; } } return locale; } @Override public void setLocale(HttpServletRequest req, HttpServletResponse res, Locale locale) { } }