我在GET请求中使用spring mvc和特殊字符时遇到问题。请考虑以下方法:
@RequestMapping("/update") public Object testMethod(@RequestParam String name) throws IOException { }
例如,我向其发送名称包含“ä”(德语为umlaut)的GET请求。由于浏览器将“ä”映射到,因此它会在spring收到“ä” %C3%A4。
%C3%A4
因此,如何获得控制器的正确编码字符串?
谢谢你的帮助!
那这个呢?能帮上忙吗?
在您的 web.xml中 :
<filter> <filter-name>CharacterEncodingFilter</filter-name> <filter-class>com.example.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>UTF-8</param-value> </init-param> </filter> <filter-mapping> <filter-name>CharacterEncodingFilter</filter-name> <servlet-name>dispatcher</servlet-name> </filter-mapping>
com.example.CharacterEncodingFilter :
public class CharacterEncodingFilter implements Filter { protected String encoding; public void init(FilterConfig filterConfig) throws ServletException { encoding = filterConfig.getInitParameter("encoding"); } public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException { HttpServletRequest request = (HttpServletRequest) servletRequest; request.setCharacterEncoding(encoding); filterChain.doFilter(servletRequest, servletResponse); } public void destroy() { encoding = null; } }