springboot全局字符编码设置
1、在application.properties中设置
#编码格式 spring.http.encoding.force=true spring.http.encoding.charset=UTF-8 spring.http.encoding.enabled=true server.tomcat.uri-encoding=UTF-8
2、自己手写编码过滤器
//字符编码过滤器 @WebFilter(urlPatterns = "/*",filterName = "CharacterEncodingFilter") public class CharacterEncodingFilter implements Filter{ @Override public void init(FilterConfig filterConfig) throws ServletException { } @Override public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException { HttpServletRequest request = (HttpServletRequest) servletRequest; HttpServletResponse response = (HttpServletResponse) servletResponse; request.setCharacterEncoding("UTF-8"); response.setCharacterEncoding("UTF-8"); filterChain.doFilter(request , response); } @Override public void destroy() { } }
3、使用java配置写一个字符编码配置类
/** * 中文乱码解决 */ @Configuration public class CharsetConfig extends WebMvcConfigurerAdapter { @Bean public HttpMessageConverter<String> responseBodyConverter() { StringHttpMessageConverter converter = new StringHttpMessageConverter( Charset.forName("UTF-8")); return converter; } @Override public void configureMessageConverters(List<HttpMessageConverter<?>> converters) { super.configureMessageConverters(converters); converters.add(responseBodyConverter()); } @Override public void configureContentNegotiation(ContentNegotiationConfigurer configurer) { configurer.favorPathExtension(false); } }
StringHttpMessageConverter是一个请求和响应信息的编码转换器,通过源码我们发现默认编码ISO-8859-1,不是UTF-8,所以我们只要通过上述配置将请求字符串转为UTF-8 即可。
WebMvcConfigurerAdapter 是springmvc的一个配置支配器类,我们可以实现我们感兴趣的方法。