1. Files with suffixes jsp and html exist. When the suffix is set to jsp, access to the corresponding url can be accessed. When it is html, the access url cannot find resources. Why? I have guessed that it is because url-pattern is set to " ", but why...
topic description Integer problem of receiving collections in Spring MVC topic source in response to the requirements of batch queries, the API is separated by commas when calling, and the entity object attribute List < Integer > is used in spr...
there is an object in the background Class Code { private List<String> data; private int msg; } controller public Object test(@ModelAttribute Code code) the front end submits data to the background $.get( http: xxxxx ,{ data: [...
1. I wanted to try spring mvc configuration without xml, but when I added @ EnableWebMvc to the java config class, the project failed to start. 2.HelloConfig: @Configuration @EnableWebMvc @ComponentScan public class HelloConfig implements WebMvcConf...
when the list method returns in a controller, it returns this depending on whether the asynchronous request is made: "users list::-sharpmainContainerRepleace " does not understand what this is written. Solve this list front end is an ajax request, an...
premise now do a separate front and rear application, use shiro as permission control in the background, use jwt instead of session s stateless web application, customize a shiro filter.url with restful style. All interfaces url begin with api...
springboot define an interface public interface HelloController { @RequestMapping(" hello") String hello(); } then implement @ RestController public class HelloControllerImpl implements HelloController { @Override public String hel...
does Spring: controller need to provide an interface like service, and then write an Impl class? ...
spring intercepts localhost:8080 1 to intercept my chat page, but not to the root directory. Go back to the default index page; there are several lines of log output in the console log 2018-06-04 15:46:03.601 INFO 15836 --- [ restartedMain] o.s.w.s...
here is the successful code. I can t find a more concise way. It is said that this method is not good for mobile phone support const data = new URLSearchParams(); data.append("beUserId", userId); axios.post( user attention , dat...
1, I followed the "fourth edition of Spring practice " to build an entry springmvc, book that uses Java file configuration instead of xml file, so it is difficult to find the answer 2. The problem is that opening it with tomcat can automatically jump ...
this problem comes from the source code of the book "master springMVC 4 ". In the environment built with SpirngBoot 2, according to my understanding, the @ Autowired annotation generally cannot directly inject the classes under the third-party package ...
Spring mvc two components: HandlerMapping and HandlerAdapter; HandlerMapping can already help us match the specific controller (Controller)? then why do you need HandlerAdapter?? ...
in the following Spring mvc code, why did the creation of bean fail? I have added < context:component-scan base-package= " " > to the springmvc.xml file . where the project directory structure is cause of error report: Caused by: org.springfra...
the following error should be related to the injection of the data source! But why can it be solved by introducing spring-jdbc as a jar package? spring-jdbcjar:(): : Exception encountered during context initialization - cancelling refresh attempt: o...
I searched for it all day and found a similar answer to the google, that I was able to get home, but I don t think I can make it clear where this user came from. my English is not good, and I use translation software, which may be the reason why I can...
get json string ...
other errors will enter here, but 404 errors will not come in? Online documents and articles all say that this is the way to play. It s really strange. The 404 page keeps reporting this error without entering my custom settings * Whitelabel Error Pa...
spring intercepts localhost:8080 1 to intercept my chat page, but not to the root directory. Go back to the default index page; console has such important several lines of log output 2018-06-04 15:46:03.601 INFO 15836 --- [ restartedMain] o.s.w.s...
1.1: 3.4: ? : :; :3.2,APP ; ? ...
problem description the child component does not have any click event to trigger, so the data needs to be loaded out. How can the parent component receive the values in the child component? the environmental background of the problems and what metho...
when writing iptables rules under linux, I don t understand which chain is written in which table? Excuse me, is there any pattern in this? ...
1, <el-form :inline="true" :model="mainForm" ref="refMainForm" label-width="100px" :rules="mainFormRule" class="demo-form-inline" size="small" label-position="right">...
the image component that comes with weex must have width and height set to display. such as <image style="widht:100px;height:100px;" src="https: img.codeshelper.com upload img 2021 03 28 q2o24511bmg13874.png">< ima...
problem description vue encountered an error while packing the environmental background of the problems and what methods you have tried vue package encountered related codes Please paste the code text below (do not replace the code with pi...