hibernate-validator如何使用校验框架

魁首哥

作者

* Comma-separated list of basenames, each following the ResourceBundle convention. * Essentially a fully-qualified classpath location. If it doesn't contain a package * qualifier (such as "org.mypackage"), it will be resolved from the classpath root. */ private String basename = "messages"; /** * Message bundles encoding. */ private Charset encoding = Charset.forName("UTF-8"); /** * Loaded resource bundle files cache expiration, in seconds. When set to -1, bundles * are cached forever. */ private int cacheSeconds = -1; /** * Set whether to fall back to the system Locale if no files for a specific Locale * have been found. if this is turned off, the only fallback will be the default file * (e.g. "messages.properties" for basename "messages"). */ private boolean fallbackToSystemLocale = true; /** * Set whether to always apply the MessageFormat rules, parsing even messages without * arguments. */ private boolean alwaysUseMessageFormat = false; @Bean public MessageSource messageSource() { ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource(); if (StringUtils.hasText(this.basename)) { messageSource.setBasenames(StringUtils.commaDelimitedListToStringArray( StringUtils.trimAllWhitespace(this.basename))); } if (this.encoding != null) { messageSource.setDefaultEncoding(this.encoding.name()); } messageSource.setFallbackToSystemLocale(this.fallbackToSystemLocale); messageSource.setCacheSeconds(this.cacheSeconds); messageSource.setAlwaysUseMessageFormat(this.alwaysUseMessageFormat); return messageSource; } public String getBasename() { return this.basename; } public void setBasename(String basename) { this.basename = basename; } public Charset getEncoding() { return this.encoding; } public void setEncoding(Charset encoding) { this.encoding = encoding; } public int getCacheSeconds() { return this.cacheSeconds; } public void setCacheSeconds(int cacheSeconds) { this.cacheSeconds = cacheSeconds; } public boolean isFallbackToSystemLocale() { return this.fallbackToSystemLocale; } public void setFallbackToSystemLocale(boolean fallbackToSystemLocale) { this.fallbackToSystemLocale = fallbackToSystemLocale; } public boolean isAlwaysUseMessageFormat() { return this.alwaysUseMessageFormat; } public void setAlwaysUseMessageFormat(boolean alwaysUseMessageFormat) { this.alwaysUseMessageFormat = alwaysUseMessageFormat; } protected static class ResourceBundleCondition extends SpringBootCondition { private static ConcurrentReferenceHashMap<String, ConditionOutcome> cache = new ConcurrentReferenceHashMap<String, ConditionOutcome>(); @Override public ConditionOutcome getMatchOutcome(ConditionContext context, AnnotatedTypeMetadata metadata) { String basename = context.getEnvironment() .getProperty("spring.messages.basename", "messages"); ConditionOutcome outcome = cache.get(basename); if (outcome == null) { outcome = getMatchOutcomeForBasename(context, basename); cache.put(basename, outcome); } return outcome; } private ConditionOutcome getMatchOutcomeForBasename(ConditionContext context, String basename) { ConditionMessage.Builder message = ConditionMessage .forCondition("ResourceBundle"); for (String name : StringUtils.commaDelimitedListToStringArray( StringUtils.trimAllWhitespace(basename))) { for (Resource resource : getResources(context.getClassLoader(), name)) { if (resource.exists()) { return ConditionOutcome .match(message.found("bundle").items(resource)); } } } return ConditionOutcome.noMatch( message.didNotFind("bundle with basename " + basename).atAll()); } private Resource[] getResources(ClassLoader classLoader, String name) { try { return new PathMatchingResourcePatternResolver(classLoader) .getResources("classpath*:" + name + ".properties"); } catch (Exception ex) { return NO_RESOURCES; } } } }

　　从上面的MessageSource自动配置可以看出，可以通过spring.message.basename指定要配置国际化文件位置，默认值是“message”。spring boot默认就支持国际化的，默认会去resouces目录下寻找message.properties文件。

　　这里就不进行过多关于国际化相关信息的介绍了，肯定少不了区域解析www.cppcns.com器。springboot国际化相关知识请参考：Spring Boot国际化（i18n）

hibernate-validator如何使用校验框架