Springboot中路径参数带 (%2F)的问题彻底解决方案

System.setProperty("org.apache.tomcat.util.buf.UDecoder.ALLOW_ENCODED_SLASH", "true");

@Configuration
public class WebMvcConfig implements WebMvcConfigurer {
    @Override
    public void configurePathMatch(PathMatchConfigurer configurer) {
        UrlPathHelper urlPathHelper = new UrlPathHelper();
        urlPathHelper.setUrlDecode(false);
        configurer.setUrlPathHelper(urlPathHelper);
    }
}

@Order(Ordered.LOWEST_PRECEDENCE)
@Configuration
public class SecurityFirewallConfig extends WebSecurityConfigurerAdapter {
    @Bean
    public HttpFirewall allowUrlEncodedSlashHttpFirewall() {
        DefaultHttpFirewall firewall = new DefaultHttpFirewall();
        firewall.setAllowUrlEncodedSlash(true);
        return firewall;
    }
}

@PostMapping("/v1/basic/owner-code/{ownerCode}/skus/{sku:.+}/ext-info")
public ResponseEntity<String> getInfo(@PathVariable("ownerCode") String ownerCode, @PathVariable("sku") String sku) {
    // your logic here
}

@Configuration
public class WebConfig implements WebMvcConfigurer {
    @Override
    public void configurePathMatch(PathMatchConfigurer configurer) {
        UrlPathHelper urlPathHelper = new UrlPathHelper() {
            @Override
            public Map<String, String> decodePathVariables(HttpServletRequest request, Map<String, String> vars) {
                return vars;
            }
        };
        urlPathHelper.setUrlDecode(false);
        configurer.setUrlPathHelper(urlPathHelper);
    }
}

@PostMapping("/v1/basic/owner-code/{ownerCode}/skus/{sku:.+}/ext-info")
public ResponseEntity<String> getInfo(@PathVariable("ownerCode") String ownerCode, @MatrixVariable("sku") String sku) {
    // your logic here
}

public class UrlEncodingFilter implements Filter {
    @Override
    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
            throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) req;
        String url = request.getRequestURL().toString();
        // 如果你的SKU部分总是在URL的特定位置，可以使用这种方式来找到它并进行二次编码
        String encodedUrl = url.replace("skus/", "skus/").replace("/ext-info", "%2Fext-info");
        HttpServletRequestWrapper requestWrapper = new HttpServletRequestWrapper(request) {
            @Override
            public StringBuffer getRequestURL() {
                return new StringBuffer(encodedUrl);
            }
        };
        chain.doFilter(requestWrapper, res);
    }
}