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Parsing XML file with DOM4J Technology I. Introduction to XML xml (Extensible Markup Language)Extensible meaning: allows programmers to extend new tags according to their own ideasNote: but when extending, you must follow the XML specificationSecond, the characteristics of xml:Self description,It can support cross platform,Retains the hierarchy ...

1 component registration 1.1 @ configuration & @ Bean register Bean 1.1.1 traditional xml Person.java package com.xuweiwei.spring.model; /** * @describe: * @author: Don't worry about the past, only laugh for the rest of my life. * @version: 1.0 */ public class Person { private String name; private Integer age; ...

Simplified configuration and content sublimation of spring boot and spring mvc. How to integrate mybatis in spring boot? Part 1: maven dependency (you can check it when creating the spring boot project) <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId&g ...

Because springboot is based on servlet 3.0+, the embedded tomcat container cannot configure Filter in web.xml as before. This article is based on springboot 1.5.6 First @WebFilter(filterName = "myFilter",urlPatterns = "/*") public class MyFilter implements Filter { @Override public void init(FilterConfig filterConfig) throws ...

After analyzing the Handler source code, there are many unknown secrets. Next, analyze it. Classes involved:HandlerThread, IntentService, AsyncTask, Messenger, IdleHandler, Looper.Observer, MessageLogging, etc The first half: HandlerThread, IntentService, AsyncTaskIn the second half of the lecture: Messenger, IdleHandler, Looper.Observer, Messa ...

Use local service I. define java interface public interface CalculateI { int addab(int a, int b); } Create a Binder subclass, inherit Binder and implement interface methods public class CalculateBinder extends Binder implements CalculateI{ @Override public int addab(int a, int b) { return a+b; } } III. Onbind in ...

First, prepare all the compiled packages to a folder Like this Next, create a new text document with the suffix. nuspec Fill in content <?xml version="1.0"?> <package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd"> <metadata> <!-- The unique identification number of the package, which is also ...

                In the previous article, we have implemented an HTTP GET and POST request; Here I encapsulate an auxiliary class of HTTP get and post, which can be used better; Class name: HttpRequestUtil The following functions are provided: (1) simulate GET request; (2) simulate POST request; (3) upload request of simulation ...

The implementation effect is as follows: after obtaining the keyboard height, manually move the input box: 20190402144716388.gif Although the pop-up of the input box is not smooth enough, it seems a little stiff, but we can add appropriate animation to improve it. The method is to cover a PopupWindow with a width of 0 and a ...

The previous blogs introduced the source code of IOC and AOP of Spring framework, so how to connect these two core components to provide a better external interface? At this time, the ApplicationContext in the context package will be launched. ClassPathXmlApplicationContext context=new ClassPathXmlApplicationContext("bean.xml" ...