Java中的Xml配置文件(新手)
<div style="margin: 0 auto; padding: <span style="color: black; background-color: #7FFF00; font-weight: bold;”>20px; font-family: -apple-system, BlinkMacSystemFont, “Segoe UI”, Roboto, “Helvetica Neue”, Arial, sans-serif;”><p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”><span style="color: black; background-color: #7CFC00; font-weight: bold;”>Java中的Xml配置文件(新手)
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>Java中的Xml配置文件,本文是转发转发转发!重要的事情说三遍
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>7FFF00; font-weight: bold;”>2018.cnblogs.com/blog/160<span style="color: black; background-color: #7FFF00; font-weight: bold;”>25<span style="color: black; background-color: #7FFF00; font-weight: bold;”>29/<span style="color: black; background-color: #7FFF00; font-weight: bold;”>201904/160<span style="color: black; background-color: #7FFF00; font-weight: bold;”>25<span style="color: black; background-color: #7FFF00; font-weight: bold;”>29-<span style="color: black; background-color: #7FFF00; font-weight: bold;”>20190410103437783-1006845319.jpg” alt=”java 使用xslt解析xml”/ style=”max-width: 100%; height: auto; display: block; margin: 1.6em auto; border-radius: 6px; border: 1px solid #d8a860;”>
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>一:概念
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>1、XML 可拓展标记语言
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”><span style="color: black; background-color: #7FFF00; font-weight: bold;”>2、功能:存储数据(配置文件,在网络中传输数据)
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>3、html和xml的区别
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>3、1xml标记全是自定义的
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>3、<span style="color: black; background-color: #7FFF00; font-weight: bold;”>2xml的语法严格
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>3、3xml是存储数据 html是展示数据
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>二:语法格式
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>1、文档的后缀名为 .xml
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”><span style="color: black; background-color: #7FFF00; font-weight: bold;”>2、第一行必须是定义的文档声明
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>3、xml文档中有且只有一个跟标签
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>4、属性值必须用引号
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>5、标签必须关闭
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>7FFF00; font-weight: bold;”>2.baidu.com/it/u=<span style="color: black; background-color: #7FFF00; font-weight: bold;”>24676<span style="color: black; background-color: #7FFF00; font-weight: bold;”>25613,1667964337&fm=<span style="color: black; background-color: #7FFF00; font-weight: bold;”>253&fmt=JPEG&app=138&f=JPEG?w=659&h=500″ alt=”java 使用xslt解析xml”/ style=”max-width: 100%; height: auto; display: block; margin: 1.6em auto; border-radius: 6px; border: 1px solid #d8a860;”>
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>6、xml标签名称区别大小写
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>7、约束:规定xml文档书写规则
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>约束分类(DTD和)
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>三:解析
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>操作xml文档,将文档中的数据读取到内存中
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>1、操作xml文档
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>读取,将文档中的内容读取到内存中。
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>写入<span style="color: black; background-color: #7CFC00; font-weight: bold;”>Java中的Xml配置文件(新手),将内存中的内容保存到xml文档中,持久化存储
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”><span style="color: black; background-color: #7FFF00; font-weight: bold;”>2、解析方式
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”><span style="color: black; background-color: #7FFF00; font-weight: bold;”>2、1dom将标记语言一次性加载进内存<span style="color: black; background-color: #7CFC00; font-weight: bold;”>Java中的Xml配置文件(新手),在内存中形成一颗DOM树。优点:操作简单<strong style="font-weight: 700; color: #b068<span style="color: black; background-color: #7FFF00; font-weight: bold;”>20;”>java 使用xslt解析xml,可以进行CRUD操作。缺点:消耗内存。
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”><span style="color: black; background-color: #7FFF00; font-weight: bold;”>2、<span style="color: black; background-color: #7FFF00; font-weight: bold;”>2sax逐行读取,基于事件驱动,不占内存,只能读不能增删改
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>3、常见解析器
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>3、1、JAXP sun公司解析器<strong style="font-weight: 700; color: #b068<span style="color: black; background-color: #7FFF00; font-weight: bold;”>20;”>java 使用xslt解析xml,支持dom和sax两种思想解析接口<strong style="font-weight: 700; color: #b068<span style="color: black; background-color: #7FFF00; font-weight: bold;”>20;”>java 使用xslt解析xml,同时还支持XSLT接口用来将xml文档进行数据和文档转换。
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>3、
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>3、 它提供了一套非常省力的API直接解析URL地址,html文本内容。可通过DOM,css以及的操作方法来取出和操作数据。
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>7FFF00; font-weight: bold;”>2,1351778359&fm=<span style="color: black; background-color: #7FFF00; font-weight: bold;”>253&fmt=JPEG&app=138&f=JPG?w=889&h=500″ alt=”java 使用xslt解析xml”/ style=”max-width: 100%; height: auto; display: block; margin: 1.6em auto; border-radius: 6px; border: 1px solid #d8a860;”>
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>3.4Pull 操作系统内置的解析器,sax方式。
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>4、Jsoup入门程序
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>1、导包
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”><span style="color: black; background-color: #7FFF00; font-weight: bold;”>2、获得对象
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”><span style="color: black; background-color: #FFD700; font-weight: bold;”>3、获取对应的标签
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>4、获取数据
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”><span style="color: white; background-color: #FF6347; font-weight: bold;”>5、对象的使用
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”><span style="color: black; background-color: #FFD700; font-weight: bold;”>1、 Jsoup工具类可以解析xml文档,返回对象
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>parse解析文档
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”><span style="color: black; background-color: #7FFF00; font-weight: bold;”><span style="color: black; background-color: #7FFF00; font-weight: bold;”>2、获取对应的标签
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”><span style="color: black; background-color: #00FF7F; font-weight: bold;”>3、获取数据
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>实例:
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”><pre style="background: #ede4d5; color: #9a5415; padding: 1.<span style="color: black; background-color: #7FFF00; font-weight: bold;”>2em; border-radius: 6px; overflow-x: auto; margin: 1.6em 0; font-family: Consolas, Monaco, monospace; font-size: 14px; line-height: 1.6;”><span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”> 1 <span style="color: rgba(0, 0, <span style="color: black; background-color: #7FFF00; font-weight: bold;”>255, 1)”>package jsoup;
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”> <span style="color: black; background-color: #7FFF00; font-weight: bold;”>2
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”> 3 <span style="color: rgba(0, 0, <span style="color: black; background-color: #7FFF00; font-weight: bold;”>255, 1)”>import org.jsoup.Jsoup;
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”> 4 <span style="color: rgba(0, 0, <span style="color: black; background-color: #7FFF00; font-weight: bold;”>255, 1)”>import org.jsoup.nodes.Document;
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”> 5 <span style="color: rgba(0, 0, <span style="color: black; background-color: #7FFF00; font-weight: bold;”>255, 1)”>import org.jsoup.nodes.Element;
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”> 6 <span style="color: rgba(0, 0, <span style="color: black; background-color: #7FFF00; font-weight: bold;”>255, 1)”>import org.jsoup.select.Elements;
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”> 7
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”> 8 <span style="color: rgba(0, 0, <span style="color: black; background-color: #7FFF00; font-weight: bold;”>255, 1)”>import java.io.File;
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”> 9 <span style="color: rgba(0, 0, <span style="color: black; background-color: #7FFF00; font-weight: bold;”>255, 1)”>import java.io.IOException;
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”>10 <span style="color: rgba(0, 0, <span style="color: black; background-color: #7FFF00; font-weight: bold;”>255, 1)”>public <span style="color: rgba(0, 0, <span style="color: black; background-color: #7FFF00; font-weight: bold;”>255, 1)”>class Demo1Jsoup {
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”>11 <span style="color: rgba(0, 0, <span style="color: black; background-color: #7FFF00; font-weight: bold;”>255, 1)”>public <span style="color: rgba(0, 0, <span style="color: black; background-color: #7FFF00; font-weight: bold;”>255, 1)”>static <span style="color: rgba(0, 0, <span style="color: black; background-color: #7FFF00; font-weight: bold;”>255, 1)”>void main(String[] args) <span style="color: rgba(0, 0, <span style="color: black; background-color: #7FFF00; font-weight: bold;”>255, 1)”>throws IOException {
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”>1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>2 <span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 0, 1)”>//<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 0, 1)”> <span style="color: black; background-color: #7FFF00; font-weight: bold;”>2获得Document 对象
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”>13 String path = Demo1Jsoup.<span style="color: rgba(0, 0, <span style="color: black; background-color: #7FFF00; font-weight: bold;”>255, 1)”>class.getClassLoader().getResource(“st.xml”).getPath();
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”>14 Document document = Jsoup.parse(<span style="color: rgba(0, 0, <span style="color: black; background-color: #7FFF00; font-weight: bold;”>255, 1)”>new File(path), “utf-8”);
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”>15 <span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 0, 1)”>//<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 0, 1)”> 3 获取对应的标签Element
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”>16 Elements elements = document.getElementsByTag(“name”);
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”>17 <span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 0, 1)”>//<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 0, 1)”> System.out.println(elements);
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”>18 System.out.println(elements.size());
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”>19 Element name = elements.get(1);
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”><span style="color: black; background-color: #7FFF00; font-weight: bold;”>20 <span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 0, 1)”>//<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 0, 1)”> 4 获取数据
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”><span style="color: black; background-color: #7FFF00; font-weight: bold;”>21 System.out.println(name);
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”><span style="color: black; background-color: #7FFF00; font-weight: bold;”>2<span style="color: black; background-color: #7FFF00; font-weight: bold;”>2 }
<span style="color: rgba(0, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1<span style="color: black; background-color: #7FFF00; font-weight: bold;”>28, 1)”><span style="color: black; background-color: #7FFF00; font-weight: bold;”>23 }
<p style="margin: 1em 0; line-height: 1.9; font-size: 16px; color: #<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26<span style="color: black; background-color: #7FFF00; font-weight: bold;”>26; text-align: justify;”>此文为转发,原博文链接:(可博客园搜索:写代码也要酷酷的)
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