org.xml.sax.SAXParseException 文档根元素 "mapper" 必须匹配 DOCTYPE 根 "configuration"

简介: 版权声明:本文为 testcs_dn(微wx笑) 原创文章,非商用自由转载-保持署名-注明出处,谢谢。 https://blog.csdn.net/testcs_dn/article/details/50317239 org.
版权声明:本文为 testcs_dn(微wx笑) 原创文章,非商用自由转载-保持署名-注明出处,谢谢。 https://blog.csdn.net/testcs_dn/article/details/50317239

org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘sqlSessionFactory’ defined in file [D:\apache-tomcat-8.0.22\webapps\xinghe-platform-web\WEB-INF\classes\spring\applicationContext-dao.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: ‘URL [jar:file:/D:/apache-tomcat-8.0.22/webapps/xinghe-platform-web/WEB-INF/lib/xinghe-base-0.0.1-SNAPSHOT.jar!/com/xinghe/edu/auth/model/mapper/AuthChildrenGroupMapper.xml]’; nested exception is org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 3; columnNumber: 39; 文档根元素 “mapper” 必须匹配 DOCTYPE 根 “configuration”。
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1566)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
at org.springframework.beans.factory.support.AbstractBeanFactory1.getObject(AbstractBeanFactory.java:303)atorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)atorg.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)atorg.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)atorg.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:743)atorg.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)atorg.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)atorg.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403)atorg.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306)atorg.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)atcom.auth.spring.listener.SpringLoaderListener.contextInitialized(SpringLoaderListener.java:24)atorg.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4729)atorg.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5167)atorg.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)atorg.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1409)
at org.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1399)atjava.util.concurrent.FutureTask.run(UnknownSource)atjava.util.concurrent.ThreadPoolExecutor.runWorker(UnknownSource)atjava.util.concurrent.ThreadPoolExecutorWorker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: org.springframework.core.NestedIOException: Failed to parse mapping resource: ‘URL [jar:file:/D:/apache-tomcat-8.0.22/webapps/xinghe-platform-web/WEB-INF/lib/xinghe-base-0.0.1-SNAPSHOT.jar!/com/xinghe/edu/auth/model/mapper/AuthChildrenGroupMapper.xml]’; nested exception is org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 3; columnNumber: 39; 文档根元素 “mapper” 必须匹配 DOCTYPE 根 “configuration”。
at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:468)
at org.mybatis.spring.SqlSessionFactoryBean.afterPropertiesSet(SqlSessionFactoryBean.java:343)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1625)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1562)
… 22 more
Caused by: org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 3; columnNumber: 39; 文档根元素 “mapper” 必须匹配 DOCTYPE 根 “configuration”。
at org.apache.ibatis.parsing.XPathParser.createDocument(XPathParser.java:259)
at org.apache.ibatis.parsing.XPathParser.(XPathParser.java:125)
at org.apache.ibatis.builder.xml.XMLMapperBuilder.(XMLMapperBuilder.java:78)
at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:464)
… 25 more
Caused by: org.xml.sax.SAXParseException; lineNumber: 3; columnNumber: 39; 文档根元素 “mapper” 必须匹配 DOCTYPE 根 “configuration”。
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.rootElementSpecified(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.handleStartElement(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.startElement(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImplContentDriver.scanRootElementHook(UnknownSource)atcom.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImplFragmentContentDriver.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImplPrologDriver.next(UnknownSource)atcom.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(UnknownSource)atcom.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(UnknownSource)atcom.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(UnknownSource)atcom.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(UnknownSource)atcom.sun.org.apache.xerces.internal.parsers.XMLParser.parse(UnknownSource)atcom.sun.org.apache.xerces.internal.parsers.DOMParser.parse(UnknownSource)atcom.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(UnknownSource)atorg.apache.ibatis.parsing.XPathParser.createDocument(XPathParser.java:257)28more14:07:20,853ERRORContextLoader:331Contextinitializationfailedorg.springframework.beans.factory.BeanCreationException:ErrorcreatingbeanwithnamesqlSessionFactorydefinedinfile[D:\apachetomcat8.0.22\webapps\xingheplatformweb\WEBINF\classes\spring\applicationContextdao.xml]:Invocationofinitmethodfailed;nestedexceptionisorg.springframework.core.NestedIOException:Failedtoparsemappingresource:URL[jar:file:/D:/apachetomcat8.0.22/webapps/xingheplatformweb/WEBINF/lib/xinghebase0.0.1SNAPSHOT.jar!/com/xinghe/edu/auth/model/mapper/AuthChildrenGroupMapper.xml];nestedexceptionisorg.apache.ibatis.builder.BuilderException:Errorcreatingdocumentinstance.Cause:org.xml.sax.SAXParseException;lineNumber:3;columnNumber:39;mapperDOCTYPEconfigurationatorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1566)atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)atorg.springframework.beans.factory.support.AbstractBeanFactory1.getObject(AbstractBeanFactory.java:303)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:743)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)
at com.auth.spring.listener.SpringLoaderListener.contextInitialized(SpringLoaderListener.java:24)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4729)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5167)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1409)atorg.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1399)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutorWorker.run(UnknownSource)atjava.lang.Thread.run(UnknownSource)Causedby:org.springframework.core.NestedIOException:Failedtoparsemappingresource:URL[jar:file:/D:/apachetomcat8.0.22/webapps/xingheplatformweb/WEBINF/lib/xinghebase0.0.1SNAPSHOT.jar!/com/xinghe/edu/auth/model/mapper/AuthChildrenGroupMapper.xml];nestedexceptionisorg.apache.ibatis.builder.BuilderException:Errorcreatingdocumentinstance.Cause:org.xml.sax.SAXParseException;lineNumber:3;columnNumber:39;mapperDOCTYPEconfigurationatorg.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:468)atorg.mybatis.spring.SqlSessionFactoryBean.afterPropertiesSet(SqlSessionFactoryBean.java:343)atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1625)atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1562)22moreCausedby:org.apache.ibatis.builder.BuilderException:Errorcreatingdocumentinstance.Cause:org.xml.sax.SAXParseException;lineNumber:3;columnNumber:39;mapperDOCTYPEconfigurationatorg.apache.ibatis.parsing.XPathParser.createDocument(XPathParser.java:259)atorg.apache.ibatis.parsing.XPathParser.(XPathParser.java:125)atorg.apache.ibatis.builder.xml.XMLMapperBuilder.(XMLMapperBuilder.java:78)atorg.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:464)25moreCausedby:org.xml.sax.SAXParseException;lineNumber:3;columnNumber:39;mapperDOCTYPEconfigurationatcom.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(UnknownSource)atcom.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(UnknownSource)atcom.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(UnknownSource)atcom.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(UnknownSource)atcom.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(UnknownSource)atcom.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.rootElementSpecified(UnknownSource)atcom.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.handleStartElement(UnknownSource)atcom.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.startElement(UnknownSource)atcom.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(UnknownSource)atcom.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImplContentDriver.scanRootElementHook(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImplFragmentContentDriver.next(UnknownSource)atcom.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImplPrologDriver.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(Unknown Source)
at org.apache.ibatis.parsing.XPathParser.createDocument(XPathParser.java:257)
… 28 more
十二月 15, 2015 2:07:20 下午 org.apache.catalina.core.StandardContext listenerStart
严重: Exception sending context initialized event to listener instance of class com.auth.spring.listener.SpringLoaderListener
org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘sqlSessionFactory’ defined in file [D:\apache-tomcat-8.0.22\webapps\xinghe-platform-web\WEB-INF\classes\spring\applicationContext-dao.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: ‘URL [jar:file:/D:/apache-tomcat-8.0.22/webapps/xinghe-platform-web/WEB-INF/lib/xinghe-base-0.0.1-SNAPSHOT.jar!/com/xinghe/edu/auth/model/mapper/AuthChildrenGroupMapper.xml]’; nested exception is org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 3; columnNumber: 39; 文档根元素 “mapper” 必须匹配 DOCTYPE 根 “configuration”。
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1566)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
at org.springframework.beans.factory.support.AbstractBeanFactory1.getObject(AbstractBeanFactory.java:303)atorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)atorg.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)atorg.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)atorg.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:743)atorg.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)atorg.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)atorg.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403)atorg.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306)atorg.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)atcom.auth.spring.listener.SpringLoaderListener.contextInitialized(SpringLoaderListener.java:24)atorg.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4729)atorg.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5167)atorg.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)atorg.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1409)
at org.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1399)atjava.util.concurrent.FutureTask.run(UnknownSource)atjava.util.concurrent.ThreadPoolExecutor.runWorker(UnknownSource)atjava.util.concurrent.ThreadPoolExecutorWorker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: org.springframework.core.NestedIOException: Failed to parse mapping resource: ‘URL [jar:file:/D:/apache-tomcat-8.0.22/webapps/xinghe-platform-web/WEB-INF/lib/xinghe-base-0.0.1-SNAPSHOT.jar!/com/xinghe/edu/auth/model/mapper/AuthChildrenGroupMapper.xml]’; nested exception is org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 3; columnNumber: 39; 文档根元素 “mapper” 必须匹配 DOCTYPE 根 “configuration”。
at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:468)
at org.mybatis.spring.SqlSessionFactoryBean.afterPropertiesSet(SqlSessionFactoryBean.java:343)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1625)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1562)
… 22 more
Caused by: org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 3; columnNumber: 39; 文档根元素 “mapper” 必须匹配 DOCTYPE 根 “configuration”。
at org.apache.ibatis.parsing.XPathParser.createDocument(XPathParser.java:259)
at org.apache.ibatis.parsing.XPathParser.(XPathParser.java:125)
at org.apache.ibatis.builder.xml.XMLMapperBuilder.(XMLMapperBuilder.java:78)
at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:464)
… 25 more
Caused by: org.xml.sax.SAXParseException; lineNumber: 3; columnNumber: 39; 文档根元素 “mapper” 必须匹配 DOCTYPE 根 “configuration”。
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.rootElementSpecified(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.handleStartElement(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.startElement(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImplContentDriver.scanRootElementHook(UnknownSource)atcom.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImplFragmentContentDriver.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(Unknown Source)
at org.apache.ibatis.parsing.XPathParser.createDocument(XPathParser.java:257)
… 28 more

发生此错误的原因:


mybatis的映射文件 *Mapper.xml文件头错误,我是直接从sql-map-config.xml文件中复制过来的,如下:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd">

很明显,DOCTYPE 是 configuration ,而这个文件中的根节点是 mapper,互相不匹配,所以产生了这个错误;

解决办法


修改为以下内容:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">

总结


在写一些代码或配置的时候,经常可能从别的地方复制一个过来改改,这样是比较方便快捷,但如果忘记了改某个位置,就可能产生一些奇奇怪怪的错误!

目录
相关文章
|
XML 存储 JavaScript
DOM 节点遍历:掌握遍历 XML文档结构和内容的技巧
**XML DOM 遍历、操作和导航概述** - 遍历XML节点树用于提取信息,例如,通过JavaScript的DOM API循环`&lt;book&gt;`子节点显示名称和值。 - DOM解析器处理XML文本数据,包括解析字符数据(PCDATA)和识别CDATA段。 - 节点导航涉及`parentNode`、`childNodes`等属性,`get_nextSibling`等辅助函数避免空文本节点。 - `getElementsByTagName`、`getAttribute`和`nodeValue`用于检索元素、属性值和文本。
128 6
DOM 节点遍历:掌握遍历 XML文档结构和内容的技巧
|
XML Java Maven
第1次Spring源码学习之@Bean、@Configuration、xml、分析
第1次Spring源码学习之@Bean、@Configuration、xml、分析
95 0
|
XML Java 数据库连接
Mybatis使用generator逆向工程生成器生成entity、mapper、.xml模版类
今天将表建好了,但是一个一个的建实体类、Mapper接口、Mapper.xml文件就十分的麻烦,所以我就想到了MyBatis逆向,今天就操作一把!这里我们采用maven来进行操作。
480 0
|
9月前
|
XML 数据采集 存储
使用Java和XPath在XML文档中精准定位数据
在数据驱动的时代,从复杂结构中精确提取信息至关重要。XML被广泛用于数据存储与传输,而XPath则能高效地在这些文档中导航和提取数据。本文深入探讨如何使用Java和XPath精准定位XML文档中的数据,并通过小红书的实际案例进行分析。首先介绍了XML及其挑战,接着阐述了XPath的优势。然后,提出从大型XML文档中自动提取特定产品信息的需求,并通过代理IP技术、设置Cookie和User-Agent以及多线程技术来解决实际网络环境下的数据抓取问题。最后,提供了一个Java示例代码,演示如何集成这些技术以高效地从XML源中抓取数据。
302 7
使用Java和XPath在XML文档中精准定位数据
|
7月前
|
XML Java 数据库连接
IDEA如何使mapper直接跳转到xml,超实用
【10月更文挑战第23天】本文介绍了如何在 MyBatis 框架中配置 Mapper 接口和 XML 文件的关联。方法一:使用 MyBatis-Generator 插件自动生成代码;方法二:手动配置,包括命名规范、文件路径设置和 IDEA 设置;此外,还可以通过快捷键、导航栏和 MyBatis-Plugin 插件来增强跳转功能。
3830 1
|
8月前
|
SQL XML Java
mybatis :sqlmapconfig.xml配置 ++++Mapper XML 文件(sql/insert/delete/update/select)(增删改查)用法
当然,这些仅是MyBatis功能的初步介绍。MyBatis还提供了高级特性,如动态SQL、类型处理器、插件等,可以进一步提供对数据库交互的强大支持和灵活性。希望上述内容对您理解MyBatis的基本操作有所帮助。在实际使用中,您可能还需要根据具体的业务要求调整和优化SQL语句和配置。
121 1
|
11月前
|
XML Java 数据库连接
idea 从mapper方法直接点进xml文件的解决方法
idea 从mapper方法直接点进xml文件的解决方法
972 2
|
XML Java 数据库连接
Mybatis逆向工程的2种方法,一键高效快速生成Pojo、Mapper、XML,摆脱大量重复开发
【5月更文挑战第10天】Mybatis逆向工程的2种方法,一键高效快速生成Pojo、Mapper、XML,摆脱大量重复开发
143 6
|
11月前
|
XML 关系型数据库 数据库
使用mybatis-generator插件生成postgresql数据库model、mapper、xml
使用mybatis-generator插件生成postgresql数据库model、mapper、xml
834 0
|
12月前
|
XML 存储 C#
C# xml文档反序列化记事
本文介绍了使用XmlSerializer进行XML序列化和反序列化的关键点。包括:1) 以独占方式读取XML文件以避免并发问题;2) 当元素名与类型名不一致时,可通过`[XmlArrayItem]`指定元素名,或创建继承自原始类型的子类;3) 处理DateTime反序列化错误,通过中间字符串属性转换;4) 提到了常用C#特性如`[XmlRoot]`, `[XmlElement]`, `[XmlAttribute]`, `[XmlIgnore]`和`[XmlArrayItem]`的作用。
104 0