1.解析的文件read.xml
[代码]xml代码：
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | <!--?xml version="1.0" encoding="UTF-8"?--> <books> <time level="1"> <book id="10086">C语言程序与设计</book> <book id="10010">Java通史</book> <book id="10055">C++进阶宝典</book> <book id="10089">Swift入门与实践</book> </time> <time level="2"> <book id="10090">教你怎么不生气</book> <book id="10005">佛经</book> <book id="10095">老子</book> <book id="10389">沉默的愤怒</book> </time> <time level="3"> <book id="10000">腰间盘突出日常防护</book> <book id="10023">保护视力从点滴开始</book> <book id="10011">颈椎病康复指南</book> <book id="10013">心脏病的预防与防治</book> <book id="10018">高血压降压宝典</book> <book id="10019">强迫症的自我恢复</book> <book id="10028">精神病症状学</book> </time> <time level="4"> <book id="12086">活着</book> <book id="16010">生命的意义</book> </time> <time level="5"> <book id="12345">埋葬地理的风水学</book> <book id="10329">遗书及财产分配学</book> </time> </books> |
2.Book类的创建
[代码]java代码：
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | package demo05;
public class Book { private int id; private String name; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } @Override public String toString() { return "Book [id=" + id + ", name=" + name + "]"; }
} |
3.解析类
[代码]java代码：
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | package demo05;
import java.io.FileInputStream; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Set;
import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParserException; import org.xmlpull.v1.XmlPullParserFactory;
public class PullParse {
public static void main(String[] args) throws Exception {
XmlPullParserFactory factory=XmlPullParserFactory.newInstance(); XmlPullParser parser=factory.newPullParser(); parser.setInput(new FileInputStream("db/read.xml"),"UTF-8"); int event=parser.getEventType(); String tag=null; Book book=null; HashMap<integer,list<book>>map=null; List<book>list=null; while(event!=XmlPullParser.END_DOCUMENT){ switch (event) { case XmlPullParser.START_DOCUMENT: map=new HashMap<integer, list<book="">>(); break; case XmlPullParser.START_TAG: tag=parser.getName(); if("time".equals(tag)){ String level=parser.getAttributeValue("","level"); list=new ArrayList<book>(); map.put(Integer.parseInt(level),list); } if("book".equals(tag)){ book=new Book(); String id=parser.getAttributeValue("","id"); book.setId(Integer.parseInt(id)); } break; case XmlPullParser.TEXT: if("book".equals(tag)){ book.setName(parser.getText()); }
break; case XmlPullParser.END_TAG: tag=null; if("book".equals(parser.getName())){ list.add(book); }
break; } event=parser.next(); }
Set<integer>set=map.keySet(); for(Integer in:set){ System.out.println(in); for(Book b:map.get(in)){ System.out.println(b); } } }
}</integer></book></integer,></book></integer,list<book> |
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