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...
when uploading springmvc files, this method is usually used to obtain the uploaded file data descfileid @RequestMapping(value=" testUpload",method=RequestMethod.POST) public String testUpload(@RequestParam(value="desc...
spring-cloud-starter-feign is introduced, but there is no @ FeignClient annotation screenshot of creating a project ...
are these two methods called whenever an post request or a get request is encountered? then, if there are multiple requests in a web page, isn t it troublesome to call these two methods to solve ...
: PageHelper.startPage(pageNum,pageSize); PageInfo pageInfo = new PageInfo(productList); pageInfo.setList(productListVoList); : PageInfo,setList? :https: github.com pagehelper Mybatis-PageHelper blob master wikis zh HowTo...
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...
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there is a problem: nginxsslhttpspostgetbodyparameter postgetpostget ...
public JsonResult add(@Valid Person person, BindingResult bindingResult) { bindingResult.getAllErrors() :;; } ...
how to log out automatically without being active for too long? and there are updates in the background. The web application logs out and the user logs in ...
Spring mvc two components: HandlerMapping and HandlerAdapter; HandlerMapping can already help us match the specific controller (Controller)? then why do you need HandlerAdapter?? ...
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...
if there is a set of operations to be performed within a method that belongs to the same transaction, how is the transaction in progress handled when tomcat closes? Will tomcat wait for the transaction to finish? Or does the transaction become incomplete...
1.1: 3.4: ? : :; :3.2,APP ; ? ...
description trouble boss to point out how to reconstruct the operations of different objects with the same method? At the bottom of is the code. The save methods here are all the same operation. The object is used as a reference here. I just want...
normally, the validity time of the cookie should be the same as the destruction time of the session object. but if it is not the same, 1. The valid time for cookie is up, and the time for session destruction is not up. At this time, the jsessionid is ...
I want to look at the source code of HttpSession session = request.getSession (); and want to know how to get the of the current session....
objects are transmitted in binary mode on the network. so for serialization, different serialization, the transferred object should be a binary stream. then why json and xml are also described as serialization. It is not very clear that both of them ha...
uric:outJavaWeb,jstl1.2jarlib,.maven only those built with this selected one have these problems. I have also looked up some like https: stackoverflow.com que. like https: stackoverflow.com que. wow, I think it would be nice if it could be sol...
A need to find a user created within 05-01 05-24 and last logged in a time field greater than 05-11 a comparison type how to map to url I currently write http: localhost user?create_. creation time field is range creation time is > < how to elegantly ...
<div class="video_wrapper" style="height: 900px; width: 1200px;"> <div class="control"><button title="Play">< button>< div><video id="movie"> ...
< H2 > question < H2 > uses draft.js to build a rich text editor. When setting the font size function, a select selection box is used. The effect you want to achieve is that after the cursor selects Chinese text, the value of select becomes the font s...
def paintEvent(self, paintEvent): painter = QPainter(self) painter.translate(self.width() 2, self.height() 2) painter.rotate(45) painter.translate(-self.width() 2, -self.height() 2) -sharp as shown in the figure and code, according ...
VMware has tried many versions, including 10, 12, 14, and 14 . kali has tried many versions, including 16.0, 16.2, 18.1, 18.2, etc. is the same error message. It has been successfully installed on win7 before, but now the installation of win10 is n...
LocaleProviderdemomoment : ...