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 ...
At first, it looked like this. The relative positioning of the child element relative to the parent element is now normal, that is, the child element is directly above the parent element. But there is a problem that the height of the child element is not ...
1. It is known that opengid uses open-data to get the group name, but that is automatically generated. 2. How do I get the string of the group name? ...
WeChat Mini Programs, generally, the global tabBar is set through app.json to set the bottom navigation. Apart from customizing a fixed to the bottom, does the official provide the sub-pages to set the bottom navigation by themselves? Or other better met...
is there any difference between them? ...
in order for the links that have been sent by regular users to open properly, we have configured the following route, which indicates that Route::rule ( my.php , my view info ) cannot be found. the following ones without .php can Route::rule ...