SpringBoot国际化

spring:
  messages:
    # 定义国际化文件的文件地址，读取的原则是顺序读取如果存在同名的则读取第一个
    basename: i18n/login,i18n/errorMessage

package com.futao.springmvcdemo.foundation.configuration;
import org.springframework.context.annotation.Bean;
import org.springframework.web.servlet.LocaleResolver;
import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
import org.springframework.web.servlet.i18n.SessionLocaleResolver;
import java.util.Locale;
/**
 * 通用bean注册管理中心
 *
 * @author futao
 * Created on 2019-01-15.
 */
@org.springframework.context.annotation.Configuration
public class Configuration {
    /**
     * 国际化，设置默认的语言为中文
     * 将用户的区域信息存在session
     * 也可以存在cookie,由客户端保存   {@link org.springframework.web.servlet.i18n.CookieLocaleResolver}
     *
     * @return
     */
    @Bean
    public LocaleResolver localeResolver() {
        SessionLocaleResolver slr = new SessionLocaleResolver();
        slr.setDefaultLocale(Locale.SIMPLIFIED_CHINESE);
        return slr;
    }
    /**
     * 国际化，设置url识别参数
     *
     * @return
     */
    @Bean
    public LocaleChangeInterceptor localeChangeInterceptor() {
        LocaleChangeInterceptor lci = new LocaleChangeInterceptor();
        lci.setParamName("lang");
        return lci;
    }
}

package com.futao.springmvcdemo.utils;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Service;
/**
 * Spring容器
 *
 * @author futao
 * Created on 2019-01-15.
 */
@Service
public class SpringUtils implements ApplicationContextAware {
    private static ApplicationContext context = null;
    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        if (context == null) {
            context = applicationContext;
        }
    }
    /**
     * 获取容器
     *
     * @return 容器
     */
    public static ApplicationContext getContext() {
        return context;
    }
}

//通过spring容器读取
SpringUtils.getContext().getMessage(code, null, LocaleContextHolder.getLocale())
//或者
    @Resource
     private MessageSource messageSource;
     return messageSource.getMessage(code, null, LocaleContextHolder.getLocale());

package com.futao.springmvcdemo.service.notbusiness;
import com.futao.springmvcdemo.foundation.LogicException;
import com.futao.springmvcdemo.model.system.ErrorMessage;
import com.futao.springmvcdemo.utils.SpringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.NoSuchMessageException;
import org.springframework.context.i18n.LocaleContextHolder;
/**
 * 国际化
 *
 * @author futao
 * Created on 2019-01-15.
 */
public class I18nService {
    private static final Logger LOGGER = LoggerFactory.getLogger(I18nService.class);
    /**
     * 获取消息
     * 也可以使用下面的方式：
     * Resource private MessageSource messageSource;
     * return messageSource.getMessage(code, null, LocaleContextHolder.getLocale());
     *
     * @param code k
     * @return v
     */
    public static String getMessage(String code) {
        try {
            return SpringUtils.getContext().getMessage(code, null, LocaleContextHolder.getLocale());
        } catch (NoSuchMessageException e) {
            LOGGER.error("获取国际化资源{}失败" + e.getMessage(), code, e);
            throw LogicException.le(ErrorMessage.I18N_RESOURCE_NOT_FOUND, new String[]{code});
        }
    }
}

I18nService.getMessage("welcome")