PULL parses XML files and pull parses xml files

PULL parses XML files and pull parses xml files

<? Xml version = "1.0" encoding = "UTF-8"?> <Students> <student id = "1001"> <stuno> 1001 </stuno> <name> Zhang San </name> <sex> male </sex> <grade> Java 1 class </grade> </student> <student id = "1002"> <stuno> 1002 </stuno> <name> Li Si </name> <sex> female </sex> <grade> Java class 2 </grade> </student> <student id = "1003"> <stuno> 1003 </stuno> <name> Level 2 </name> <sex> male </sex> <grade> Java class 3 </grade> </student> <student id = "1004"> <stuno> 1004 </stuno> <name> wax </name> <sex> female </sex> <grade> Java class 4 </grade> </student> </students>

　　

1 package xmlpulldemo; 2 3 import java. io. fileInputStream; 4 import java. io. IOException; 5 6 import org. xmlpull. v1.XmlPullParser; 7 import org. xmlpull. v1.XmlPullParserException; 8 import org. xmlpull. v1.XmlPullParserFactory; 9 10 public class XmlPullDemo {11 12 public static void main (String [] args) throws XmlPullParserException, IOException {13 14 // create a parsing factory 15 XmlPullParserFactory factory = XmlPul LParserFactory. newInstance (); 16 // The factory creates a parser object 17 XmlPullParser parser = factory. newPullParser (); 18 // open the input stream corresponding to the xml document, and fill in the xml document path 19 parser. setInput (new FileInputStream ("src/xmlwendang/student. xml ")," UTF-8 "); 20 // get Event Type 21 int eventType = parser. getEventType (); 22 System. out. println (eventType = XmlPullParser. START_DOCUMENT); 23 do {24 switch (eventType) {25 case XmlPullParser. START_DOCUMENT: 26 System. Out. println ("read start, start document! "); 27 break; 28 case XmlPullParser. START_TAG: 29 String tagName = parser. getName (); 30 if (tagName. equals ("student") {31 System. out. println ("read progress-start tag:" + parser. getName () + ":" + parser. getAttributeName (0) + ":" 32 + parser. getAttributeValue (0); 33} else if (tagName. equals ("stuno") {34 System. out. println ("read progress-student ID:" + parser. nextText (); 35} else if (tagName. equals ("name") {36 System. out. println ("read Progress-name: "+ parser. nextText (); 37} else if (tagName. equals ("sex") {38 System. out. println ("read progress-Gender:" + parser. nextText (); 39} else if (tagName. equals ("grade") {40 System. out. println ("read progress-class:" + parser. nextText (); 41} else if (tagName. equals ("students") {42 System. out. println ("read start-start root directory:" + parser. getName (); 43} 44 break; 45 case XmlPullParser. END_TAG: 46 if (parser. getName (). equals ("student ")) {47 System. out. println ("read progress-end tag:" + parser. getName (); 48} else if (parser. getName (). equals ("students") {49 System. out. println ("read complete-end root directory:" + parser. getName (); 50} 51 break; 52} 53 // read the next node 54 eventType = parser. next (); 55} while (eventType! = XmlPullParser. END_DOCUMENT); 56 System. out. println ("read complete, document ended! "); 57} 58 59}

Result:

1 true 2 read start, start document! 3 read start-start root directory: students 4 read progress-start tag: student: id: 1001 5 read progress-student id: 1001 6 read progress-Name: michael Jacob 7 read progress-Gender: male 8 read progress-class: Java class 1 9 read progress-end tag: student10 read progress-start tag: student: id: 100211 read progress-student ID: 100212 read progress-Name: Li Si 13 read progress-Gender: female 14 read progress-class: Java second class 15 read progress-end tag: student16 read progress-start tag: student: id: 100317 read progress-student id: 100318 read progress-Name: xiao'er 19 read progress-Gender: male 20 read progress-class: java class 3 21 read progress-end tag: student22 read progress-start tag: student: id: 100423 read progress-student id: 100424 read progress-Name: wax 25 read progress- Gender: female 26 read progress-class: Java class 4 27 read progress-end tag: student28 read complete-end root directory: students29 read complete, document ended!