@PostMapping(path = "/proxyGateway")
    public void proxyGateway(@RequestBody @Valid final ProxyGatewayDTO proxyGatewayDTO,
                            final HttpServletRequest request,
                            final HttpServletResponse response) throws IOException {
        sandboxService.requestProxyGateway(proxyGatewayDTO, request, response);
    }
proxy Gateway.

@param proxyGatewayDTO proxyGatewayDTO
@param request         request
@param response        response
@throws IOException throw io exception
shenyu-admin/src/main/java/org/apache/shenyu/admin/controller/SandboxController.java