下面列出了怎么用org.springframework.web.servlet.i18n.SessionLocaleResolver的API类实例代码及写法，或者点击链接到github查看源代码。
@Override
public void handleReturnValue(Object returnValue, MethodParameter returnType, ModelAndViewContainer mavContainer,
NativeWebRequest webRequest) throws Exception {
mavContainer.setRequestHandled(true);
HttpServletResponse httpServletResponse = webRequest.getNativeResponse(HttpServletResponse.class);
httpServletResponse.setContentType(CONTENT_TYPE);
ServletServerHttpResponse outputMessage = new ServletServerHttpResponse(httpServletResponse);
Locale locale = (Locale)webRequest.getAttribute(SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME,
RequestAttributes.SCOPE_SESSION);
String message;
try {
message = messageSource.getMessage(DEFAULT_SUCCESS_CODE, new Object[0], locale);
} catch (NoSuchMessageException e) {
message = DefaultMessagesProperties.getMessage(DEFAULT_SUCCESS_CODE);
}
JsonResponse jsonResponse = new JsonResponse(DEFAULT_SUCCESS_CODE, message, returnValue);
outputMessage.getBody().write(StringUtils.toBytes(JsonUtils.toJson(jsonResponse)));
outputMessage.getBody().flush();
}
/**
* 保存设置选项
*
* @param options options
*
* @return JsonResult
*/
@PostMapping(value = "/save")
@ResponseBody
public JsonResult saveOptions(@RequestParam Map<String, String> options, HttpSession session) {
try {
optionsService.saveOptions(options);
//刷新options
configuration.setSharedVariable("options", optionsService.findAllOptions());
HaloConst.OPTIONS.clear();
HaloConst.OPTIONS = optionsService.findAllOptions();
session.removeAttribute(SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME);
log.info("List of saved options: " + options);
return new JsonResult(ResultCodeEnum.SUCCESS.getCode(), localeMessageUtil.getMessage("code.admin.common.save-success"));
} catch (Exception e) {
log.error("Save settings option failed: {}", e.getMessage());
return new JsonResult(ResultCodeEnum.FAIL.getCode(), localeMessageUtil.getMessage("code.admin.common.save-failed"));
}
}
/**
* 根据当前request对象中的locale(Header的Accept属性)初始化系统国际化语言区域环境
*
* @param request 当前请求对象
* @param response 当前响应对象
*/
public static void setInitLocale(final HttpServletRequest request, final HttpServletResponse response) {
final Locale locale = request.getLocale();
log.info("Init locale from user request,country:{},lang:{}", locale.getCountry(), locale.toLanguageTag());
if (localeResolver instanceof CookieLocaleResolver) {
final CookieLocaleResolver cookieLocaleResolver = (CookieLocaleResolver)localeResolver;
final Cookie cookie = WebUtils.getCookie(request, cookieLocaleResolver.getCookieName());
if (cookie == null) {
setLocale(locale.toLanguageTag(), request, response);
}
}
if (localeResolver instanceof SessionLocaleResolver) {
final Locale sessionLocale = (Locale)WebUtils.getRequiredSessionAttribute(
request, SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME);
if (sessionLocale == null) {
setLocale(locale.toLanguageTag(), request, response);
}
}
}
@Bean
public LocaleResolver localeResolver()
{
SessionLocaleResolver slr = new SessionLocaleResolver();
// 默认语言
slr.setDefaultLocale(Locale.SIMPLIFIED_CHINESE);
return slr;
}
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
if (StringUtils.equals(LocaleEnum.EN_US.getValue(), SensConst.OPTIONS.get(BlogPropertiesEnum.BLOG_LOCALE.getProp()))) {
request.getSession().setAttribute(SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME, new Locale("en", "US"));
} else {
request.getSession().setAttribute(SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME, new Locale("zh", "CN"));
}
return true;
}
@Override
public void doSomething(HttpServletRequest request) throws ServletException, IllegalAccessException {
WebApplicationContext wac = RequestContextUtils.findWebApplicationContext(request);
if (!(wac instanceof ComplexWebApplicationContext)) {
throw new ServletException("Incorrect WebApplicationContext");
}
if (WebUtils.getNativeRequest(request, MultipartHttpServletRequest.class) == null) {
throw new ServletException("Not in a MultipartHttpServletRequest");
}
if (request.getParameter("fail") != null) {
throw new ModelAndViewDefiningException(new ModelAndView("failed1"));
}
if (request.getParameter("access") != null) {
throw new IllegalAccessException("illegal access");
}
if (request.getParameter("servlet") != null) {
throw new ServletRequestBindingException("servlet");
}
if (request.getParameter("exception") != null) {
throw new RuntimeException("servlet");
}
if (!(RequestContextUtils.getLocaleResolver(request) instanceof SessionLocaleResolver)) {
throw new ServletException("Incorrect LocaleResolver");
}
if (!Locale.CANADA.equals(RequestContextUtils.getLocale(request))) {
throw new ServletException("Incorrect Locale");
}
if (!Locale.CANADA.equals(LocaleContextHolder.getLocale())) {
throw new ServletException("Incorrect Locale");
}
if (RequestContextUtils.getTimeZone(request) != null) {
throw new ServletException("Incorrect TimeZone");
}
if (!TimeZone.getDefault().equals(LocaleContextHolder.getTimeZone())) {
throw new ServletException("Incorrect TimeZone");
}
if (!(RequestContextUtils.getThemeResolver(request) instanceof SessionThemeResolver)) {
throw new ServletException("Incorrect ThemeResolver");
}
if (!"theme".equals(RequestContextUtils.getThemeResolver(request).resolveThemeName(request))) {
throw new ServletException("Incorrect theme name");
}
RequestContext rc = new RequestContext(request);
rc.changeLocale(Locale.US, TimeZone.getTimeZone("GMT+1"));
rc.changeTheme("theme2");
if (!Locale.US.equals(RequestContextUtils.getLocale(request))) {
throw new ServletException("Incorrect Locale");
}
if (!Locale.US.equals(LocaleContextHolder.getLocale())) {
throw new ServletException("Incorrect Locale");
}
if (!TimeZone.getTimeZone("GMT+1").equals(RequestContextUtils.getTimeZone(request))) {
throw new ServletException("Incorrect TimeZone");
}
if (!TimeZone.getTimeZone("GMT+1").equals(LocaleContextHolder.getTimeZone())) {
throw new ServletException("Incorrect TimeZone");
}
if (!"theme2".equals(RequestContextUtils.getThemeResolver(request).resolveThemeName(request))) {
throw new ServletException("Incorrect theme name");
}
}
@Bean
public LocaleResolver localeResolver() {
SessionLocaleResolver sessionLocaleResolver = new SessionLocaleResolver();
sessionLocaleResolver.setDefaultLocale(Locale.CHINA);
return sessionLocaleResolver;
}
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
final Object attribute = request.getSession().getAttribute(SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME);
if (null != attribute) {
return true;
}
if (StrUtil.equals(LocaleEnum.EN_US.getValue(), HaloConst.OPTIONS.get(BlogPropertiesEnum.BLOG_LOCALE.getProp()))) {
request.getSession().setAttribute(SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME, new Locale("en", "US"));
} else {
request.getSession().setAttribute(SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME, new Locale("zh", "CN"));
}
return true;
}
/**
* 国际化设置
*
* @return LocaleResolver
*/
@Bean
public LocaleResolver localeResolver() {
final SessionLocaleResolver slr = new SessionLocaleResolver();
slr.setDefaultLocale(Locale.CHINA);
return slr;
}
@Bean
public LocaleResolver localeResolver()
{
SessionLocaleResolver slr = new SessionLocaleResolver();
// 默认语言
slr.setDefaultLocale(Locale.SIMPLIFIED_CHINESE);
return slr;
}
/**
* session区域解析器
* @return
*/
@Bean
public LocaleResolver localeResolver() {
SessionLocaleResolver resolver = new SessionLocaleResolver();
resolver.setDefaultLocale(Locale.CHINA);
return resolver;
}
@Bean
public LocaleResolver localeResolver() {
SessionLocaleResolver slr = new SessionLocaleResolver();
// 默认语言
slr.setDefaultLocale(Locale.US);
return slr;
}
/**
* 切换语言,只作用于session
*
* @param request
* @param lang
* @return
*/
@RequestMapping("/i18n")
public String changeSessionLanauage(HttpServletRequest request, String lang) {
System.out.println(lang);
if (CommonConsts.LANG_ZH.equals(lang)) {
//代码中即可通过以下方法进行语言设置
request.getSession().setAttribute(SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME, new Locale("zh", "CN"));
} else if (CommonConsts.LANG_EN.equals(lang)) {
request.getSession().setAttribute(SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME, new Locale("en", "US"));
}
return "redirect:/hello";
}
/**
* Session方式
*
* @return
*/
@Bean
public LocaleResolver localeResolver() {
SessionLocaleResolver slr = new SessionLocaleResolver();
//设置默认区域
slr.setDefaultLocale(Locale.US);
return slr;
}
@Bean
public LocaleResolver localeResolver() {
SessionLocaleResolver slr = new SessionLocaleResolver();
// 默认语言
slr.setDefaultLocale(Locale.CHINA);
return slr;
}
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
if (StrUtil.equals(LocaleEnum.EN_US.getValue(), HaloConst.OPTIONS.get(BlogPropertiesEnum.BLOG_LOCALE.getProp()))) {
request.getSession().setAttribute(SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME, new Locale("en", "US"));
} else {
request.getSession().setAttribute(SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME, new Locale("zh", "CN"));
}
return true;
}
/**
* 国际化设置
*
* @return LocaleResolver
*/
@Bean
public LocaleResolver localeResolver() {
SessionLocaleResolver slr = new SessionLocaleResolver();
slr.setDefaultLocale(Locale.CHINA);
return slr;
}
@Bean
public LocaleResolver localeResolver() {
SessionLocaleResolver slr = new SessionLocaleResolver();
// 默认语言
slr.setDefaultLocale(Locale.SIMPLIFIED_CHINESE);
return slr;
}
@Bean
public LocaleResolver localeResolver()
{
SessionLocaleResolver slr = new SessionLocaleResolver();
// 默认语言
slr.setDefaultLocale(Locale.SIMPLIFIED_CHINESE);
return slr;
}
/**
* <p>
* Resolver for localizations.
* </p>
*/
@Bean
public LocaleResolver localeResolver() {
SessionLocaleResolver slr = new SessionLocaleResolver();
slr.setDefaultLocale(Locale.US);
return slr;
}
@Bean
public LocaleResolver localeResolver() {
SessionLocaleResolver slr = new SessionLocaleResolver();
Locale ptBr = new Locale("pt", "BR");
slr.setDefaultLocale(ptBr);
return slr;
}
@Bean
public LocaleResolver localeResolver() {
SessionLocaleResolver slr = new SessionLocaleResolver();
// 默认语言
slr.setDefaultLocale(Locale.CHINA);
return slr;
}
@Bean
public LocaleResolver localeResolver() {
SessionLocaleResolver slr = new SessionLocaleResolver();
// 默认语言
slr.setDefaultLocale(Locale.SIMPLIFIED_CHINESE);
return slr;
}
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
if (Optional.ofNullable(SecurityContextHolder.getContext().getAuthentication()).isPresent() &&
SecurityContextHolder.getContext().getAuthentication().getPrincipal()
instanceof User) {
try {
User user = (User) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
if (Optional.ofNullable(request.getSession()).isPresent()
&& Optional.ofNullable(user).isPresent()) {
if (!Optional.ofNullable(request.getSession()
.getAttribute(SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME)).isPresent() ||
!request.getSession().getAttribute(SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME)
.equals(user.getLanguage().getLocale())) {
request.getSession().setAttribute(
SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME,
user.getLanguage().getLocale());
}
}
} catch (ClassCastException e){
User invalidUSer = User.builder().name("INVALID USER").tenant(Tenant.builder().name("INVALID TENANT").build()).build();
LOG.error("Invalid user type on session",
invalidUSer.toURI(),
invalidUSer.getTenant().getLogLevel(),
e);
}
}
return super.preHandle(request, response, handler);
}
@Bean
public LocaleResolver localeResolver() {
final SessionLocaleResolver sessionLocaleResolver = new SessionLocaleResolver();
sessionLocaleResolver.setDefaultLocale(Locale.ENGLISH);
return sessionLocaleResolver;
}
@GetMapping("changeLanguage")
public String changeLanguage(String lang, HttpSession session, HttpServletRequest request) {
String referer = request.getHeader("referer");
if ("zh".equals(lang)) {
session.setAttribute(SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME, Locale.SIMPLIFIED_CHINESE);
} else if ("en".equals(lang)) {
session.setAttribute(SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME, Locale.US);
}
return StringUtils.isEmpty(referer) ? redirect("/") : redirect(referer);
}
@Override
public Locale getLocale() {
Locale locale = Locale.class.cast(WebUtils.getSessionAttribute(request,
SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME));
if (locale == null) {
locale = request.getLocale();
}
return locale;
}
@Bean
public LocaleResolver localeResolver() {
SessionLocaleResolver slr = new SessionLocaleResolver();
slr.setDefaultLocale(Locale.US);
return slr;
}
private JsonResponse buildJsonResponse(HttpServletRequest request, Throwable throwable, String errorId) {
while (throwable.getCause() != null) {
throwable = throwable.getCause();
}
String code;
Object[] args = new Object[0];
Object data = null;
if (throwable instanceof ConstraintViolationException) {
ConstraintViolationException constraintViolationException = (ConstraintViolationException)throwable;
code = "YA-400";
data = new ArrayList<>();
for (ConstraintViolation<?> constraintViolation : constraintViolationException.getConstraintViolations()) {
Map<String, String> map = new HashMap<>();
map.put("message", constraintViolation.getMessage());
map.put("propertyPath", constraintViolation.getPropertyPath().toString());
((List)data).add(map);
}
} else if (throwable instanceof BusinessException) {
BusinessException businessException = (BusinessException)throwable;
code = businessException.getCode();
args = businessException.getArgs();
if (request.getSession() == null) {
code = "YA-400";
}
} else {
code = "YA-500";
args = new Object[] {errorId};
}
Locale locale = (Locale)request.getSession().getAttribute(
SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME);
String message;
try {
message = messageSource.getMessage(code, args, locale);
} catch (NoSuchMessageException e) {
if (DefaultMessagesProperties.contains(code)) {
message = DefaultMessagesProperties.getMessage(code, args);
} else if (throwable instanceof BusinessException && throwable.getMessage() != null) {
message = throwable.getMessage();
} else {
throw e;
}
}
return new JsonResponse(code, message, data);
}
@Bean
public LocaleResolver localeResolver() {
SessionLocaleResolver slr = new SessionLocaleResolver();
slr.setDefaultLocale(Locale.CHINA);
return slr;
}