webapp project of maven, after running, it was found that there was a problem with forwarding in Servlet. index.jsp: <% response.sendRedirect(request.getContextPath() + " bookServlet?method=getBooks"); %> servlet: public class Bo...
when making a request, except for the rest at the beginning of remoting, struts will handle the request. How to configure web.xml <web-app xmlns:xsi="http: www.w3.org 2001 XMLSchema-instance" version="2.5" xmlns="h...
wants to implement such a function through a custom interceptor: if the client requests that the file website img abc.jpg exists, it will be returned, if it does not exist, the file will be created and returned. May I ask how to achieve it? ...
Java web generates files dynamically if it is in the webcontent directory through sevlet. for example, 1) need to dynamically create a.txt under webontent 2) write to the a.txt file. 3) read the a.txt file. ...
in the learning web, section, it is said that some changes can be made based on the original project (project3) through refactoring. I have the supporting source code, so can those who directly import the newly refactored project (project4) run independ...
see the use of the PageHelper paging plug-in in a project ...
can the following experiment summarize the principle in a few short sentences? At present, all I know is that the facts are as follows . :Tomcat :localhost:8080 project Servlet:localhost:8080 project MyCookie localhost:8080 project MyCookieServlet: ...
1. Problem description the project is built using maven, and the configuration files are placed under src main resources. because there are frequent changes to the web.xml configuration during project development, the project manager uses variables (s...
import java.io.IOException; import java.util.Properties; public class PropertyUtil { public static void main(String[] args) { Properties properties = new Properties(); try { properties.load(PropertyUtil.class.getClassLoade...
the request under spring security oauth2, control api is used on the basis of the original spring security. I browsed a lot of configurations on the Internet, but during the test, I found that the resource control of spring security and the resource c...
is a string made up of multiple id String ids = "1 id 2, 3 4 ". Now you want to traverse through the mybatis without cutting it into an array. What do you do according to the delete operation according to the id? I reported an error here: < where > ...
,,Spring mvc: <context:component-scan base-package="..." > @Controller,@RequestMapping. ,<context:component-scan base-package="" >Spring, Spring mvc,? ...
Spring,xml,@Controller,@Autowired, @RequestMapping,@Service; ,xml: <context:component-scan base-package="..." > : <mvc:annotation-driven > ?? ...
win10ftpftp: 192.169.5..., ftp...
before IDEA was updated, it was obviously adjusted not to delete the setting, but I don t know why the setting was restored. This is not the point. Today, the updated Javaweb project entered the project as it was after IDEA modified the code to open tom...
what are the popular distributed frameworks in big factories now? ...
want to learn distributed preparation for job-hopping. I don t know where to start. Will zookeeper+dubbo only learn these two frameworks and ask the boss to show me the way? thank you ...
encountered a project, there is a SpringBoot background, the terminal is an embedded chip, the data exchange between the two is required to be binary. Contact with this requirement for the first time, unlike the previous interaction with the mobile phone...
there is a set collection of tag classes in the user class; maintain relationships only from the user class, one-to-many @ OneToMany @JoinTable(name="shuo_tag", inverseJoinColumns=@JoinColumn(name="tag_id"), jo...
ext { springVersion = 4.3.10.RELEASE } compile( org.springframework:spring-context: , ) ...