@PostMapping("/save")
    public UserDTO post(@RequestBody final UserDTO userDTO) {
        userDTO.setUserName("hello world spring cloud save user");
        return userDTO;
    }
")
public class TestController {


    /**
Post string.

@param userDTO the user dto
@return the string
shenyu-examples/shenyu-examples-springcloud/src/main/java/org/apache/shenyu/examples/springcloud/controller/TestController.java