Android pull解析xml的实现方法

2023-09-22 16:18:05 59

publicclassPerson{ privateintid; privateStringname; privateintage; publicPerson(){ super(); } publicPerson(intid,Stringname,intage){ super(); this.id=id; this.name=name; this.age=age; } publicintgetId(){ returnid; } publicvoidsetId(intid){ this.id=id; } publicStringgetName(){ returnname; } publicvoidsetName(Stringname){ this.name=name; } publicintgetAge(){ returnage; } publicvoidsetAge(intage){ this.age=age; } @Override publicStringtoString(){ return"Person[id="+id+",name="+name+",age="+age+"]"; } }

importjava.io.File; importjava.io.FileInputStream; importjava.io.InputStream; importjava.util.ArrayList; importjava.util.List; importorg.xmlpull.v1.XmlPullParser; importandroid.app.Activity; importandroid.os.Bundle; importandroid.os.Environment; importandroid.util.Xml; importandroid.view.View; importandroid.view.View.OnClickListener; importandroid.widget.TextView; publicclassMainActivityextendsActivityimplementsOnClickListener{ privateTextViewtv_content; @Override protectedvoidonCreate(BundlesavedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); tv_content=(TextView)findViewById(R.id.tv_content); findViewById(R.id.bt_read).setOnClickListener(this); } @Override publicvoidonClick(Viewv){ try{ if(Environment.getExternalStorageState().equals( Environment.MEDIA_MOUNTED)){ Listpersons=newArrayList(); Personperson=null; Filesd_file=Environment.getExternalStorageDirectory(); Filefile=newFile(sd_file,"persons.xml"); InputStreaminputStream=newFileInputStream(file); //获取xmlPull解析器 XmlPullParserpullParser=Xml.newPullParser(); //解析文件 pullParser.setInput(inputStream,"utf-8"); //得到事件类型（START_DOCUMENT,END_DOCUMENT,START_TAG,END_TAG,TEXT, //etc） inteventType=pullParser.getEventType(); while(eventType!=XmlPullParser.END_DOCUMENT){ switch(eventType){ caseXmlPullParser.START_TAG: //获取标签的名称 Stringtag_name=pullParser.getName(); if("person".equals(tag_name)){ person=newPerson(); persons.add(person); //Stringvalue=pullParser.getAttributeValue(null, //"id"); Stringvalue=pullParser.getAttributeValue(0); person.setId(Integer.parseInt(value)); }elseif("name".equals(tag_name)){ //pullParser.next(); //Stringtext=pullParser.getText(); Stringtext=pullParser.nextText(); person.setName(text); }elseif("age".equals(tag_name)){ //pullParser.next(); //Stringtext=pullParser.getText(); Stringtext=pullParser.nextText(); person.setAge(Integer.parseInt(text)); } break; default: break; } eventType=pullParser.next(); } tv_content.setText(persons.toString()); } }catch(Exceptione){ e.printStackTrace(); } } }

Android pull解析xml的实现方法

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