Xml (3) -- dom4j implements the crud operation, -- dom4jcrud
1. XML parsing technology Overview
(1) There are two XML parsing Methods: dom and sax.Dom :( Document Object Model, that is, Document Object Model) is a standard XML processing method
When encapsulation, we often need to use XML to define some specifications, while running the read alone is certainly not a problem, but these XML is often put in the jar bag, so that these things can not find out. The XML definitions used in this
When using dom4j to parse XML, an exception is thrown because the XML file contains errors and unidentifiable labels or formats.
Someone on the Internet said that the lack of jaxen-1.1-beta-6.jar package, but I did not compile this jar package or
This article introduces the resource file program code used to read the jar package from java. XWork has a tool class called ClassLoaderUtil, we can thoroughly read the resource files in the jar package and use it to read the jar package.
1)
Dom4j and dom4j Parse xml
What is Dom4j DD?
Dom4j is a Java xml api, similar to jdom, used to read and write XML files. Dom4j is an excellent Java xml api with excellent performance, powerful functionality, and extreme ease of use. It is also an
[Path to Java Development] (12) Parse XML documents using JDOM and DOM4J1. parse XML documents using JDOM1.1 Introduction JDOM is an open-source project. Based on the tree structure, JDOM uses JAVA-only technology to parse, generate, serialize, and
XML one, Extend Markup languge (extensible Tag language)
tags are developed by the developer themselves (to be defined according to certain syntax)
1) Describe the data with the relationship (as a configuration file for the software):
Dom4j is a Java xml api, similar to JDOM, used to read and write XML files. Dom4j is a very good Java xml api with excellent performance, powerful functionality, and extreme ease of use. It is also an open source software, more and more Java
When using dom4j, we cannot obtain an element across layers. it must be obtained at one layer, which is very troublesome.
Why xpath?
When using dom4j, we cannot obtain an element across layers. it must be obtained at one layer, which is very
Dom4j is a simple and flexible open source library. Dom4j was developed independently after it was separated by people who developed JDOM earlier. Unlike JDOM, dom4j uses interfaces and abstract base classes. although Dom4j APIs are more complex, it
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.