in springcloud if the backend service has @RequestMapping(" test") pubilc void test(@RequestBody MyPram myParam){ ... } in the filter of the zuul gateway, I want to get the value of myParam, RequestContext ctx = RequestContext.get...
problem description in the springcloud micro-service project, I have a service that is a front-end service, which contains some js, css static files and html pages. The project uses zuul as the gateway route, and then every time you visit the page, th...
In spring, why not implement the transformation yourself in TypeConverterSupport, but delegate it to TypeConverterDelegate? ...
I have consulted a lot of articles about event monitoring mechanism on the Internet, but I don t understand the significance of this mechanism. many articles on the Internet are about how to implement them in code, or use examples from daily life to i...
is currently a virtual base class of Service there are three implementations, the class attributes are all of Autowire and then injected into Map to call this Map, is it necessary to use ConcurrentHashMap? generally speaking, Service is a singleton, ...
This method is provided in the crud interface of mybatis-plus ** * * entity * * * @param queryWrapper null * @return * List<T> selectList(@Param(Constants.WRAPPER) Wrapper<T> queryWrapper); by using the wrapper object, it is...
How to get scanPackages this attribute in < H1 > SpringBoot < H1 > < H2 > scene < H2 > for example, if we add this comment to the SpringBoot startup class, how can we get the value of scanBasePackages elsewhere? @SpringBootApplication(scanBaseP...
springboot configure AOP unresponsive springboot is version 2.1 this is my facet class @Aspect @Component public class SignAop { @Autowired private SignService signService; @Before(value = "execution(* com.pyx.seller.controller.*.*...
@RequestMapping(" api **") public ApiResult api(HttpServletRequest request, HttpServletResponse response){ return apiProxy.proxy(request, reponse); } @RequestMapping(value=" **", method=HTTPMethod.GET) public String index(){ ...
as shown below the following packages show errors that cannot be imported. I don t understand why ...
Child pom.xml <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http: maven.apache.org POM 4.0.0" xmlns:xsi="http: www.w3.org 2001 XMLSchema-instance" xsi:schemaLocation="...
I am an Android engineer trying server deployment for my overseas applications, using springboot and vultr as deployment. Third-party login uses firebase, which requires spring to hold a secret key json, so which directory should be stored in order to be...
for example, after the user uploads the profile photo, the image address is stored in the database. Is the address string here similar to WEB-INF image a.jpg? ...
topic description Why does the foreground pass in one parameter in SpringMVC, but controller accepts two parameters? doesn t understand this all the time. I hope you can help me. background: @PostMapping(" uploadFace") public JSONRe...
I feel as if the threads started by tomcat take up more resources and are directly related to throughput, so now using nio mode to return Tomcat threads as soon as possible to provide concurrency, is that what I understand? ...
@FeignClient(name = "china-mobile-api", url = "${url.cn.mobile}", configuration = FeignConfig.class ) @RequestMapping(value = " order v2", consumes = {"application x-...
I have configured @ ControllerAdvice for unified exception handling in the zuul project, but it doesn t seem to work. Is there any good unified exception handling? ...
use SpringMVC + mongodb to upload and download files. downloaded files cannot be opened except TXT (garbled code). 1. Suspected to be a problem with springmvc messageconverter configuration, tried to configure byteArrayConverter 2. Suspected to be...
problem description When @ PostConstruct is executed in servlet, after the construction method and before the init method, what about in the utility class? Today, I occasionally saw springboot injecting constants into the code of a static utility cla...
public JsonResult add(@RequestBody(required = false) User user){ if(user == null){ RequestBody ; ; } } ...
sellerCnt = > seller_cnt minPriceOne= > min_price_one as mentioned above, the effect is like this. Change uppercase letters to lowercase, and then add a _ how to encapsulate a function before uppercase letters. I ve tried it several times, but it s ...
the website is http: www.ccgp.gov.cn cggg d.... collect the content of the red box, and at the same time have the details of the bidding (that is, the content after clicking the link), can you collect it? ...
to achieve the effect of the following figure, the code is as follows: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=dev...
I was looking at the code of a project and found that there is such a definition in its css. What does this mean? :root[style*="readium-night-on"] { --THEME__backgroundColor: -sharp000000; --THEME__textColor: -sharpFEFEFE; --THEM...
I am using Phantomjs for automatic login <script type="text html" id="js_table_tpl"> {if data.length} {each data as item i} <div class="user_item"> <div class="user_item_inner"> <...