本文實例講述了Java訪問WebService返回XML數(shù)據(jù)的方法。分享給大家供大家參考。具體如下：
|
1
2
3
4
5
6
7
8
9
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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
import java.io.IOException;import java.io.InputStream;import java.net.MalformedURLException;import java.net.URL;import java.net.URLConnection;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.PrintWriter;import org.w3c.dom.Document;import org.w3c.dom.DOMException;import org.xml.sax.SAXException;import javax.xml.parsers.DocumentBuilder;import javax.xml.parsers.DocumentBuilderFactory;import javax.xml.parsers.ParserConfigurationException;import javax.xml.transform.OutputKeys;import javax.xml.transform.Transformer;import javax.xml.transform.TransformerConfigurationException;import javax.xml.transform.TransformerException;import javax.xml.transform.TransformerFactory;import javax.xml.transform.dom.DOMSource;import javax.xml.transform.stream.StreamResult;/**** @author xuechong* 6/11/2010 16:58* DomXMLString.java* 概述：純java方式訪問遠(yuǎn)程WebService接口返回的xml格式的數(shù)據(jù)保存在本地*/public class DomXMLString{private static String SERVICES_HOST = "www.webxml.com.cn";//遠(yuǎn)程WebService接口urlprivate static String NETDATA_URL = "http://webservice.webxml.com.cn/WebServices/WeatherWS.asmx/getRegionProvince";//訪問遠(yuǎn)程WebService接口返回的xml格式的數(shù)據(jù)保存在本地的絕對路徑private static String LOCAL_PC_SAVEFILE_URL = "E:dataTest/netDataToLocalFile.xml";private DomXMLString(){}public static void main(String[] args) throws Exception{Document document = getProvinceCode(NETDATA_URL);helloOK(document, LOCAL_PC_SAVEFILE_URL);}/*返回一個Document對象*/public static Document getProvinceCode(String netXMLDataURL){Document document = null;DocumentBuilderFactory documentBF = DocumentBuilderFactory.newInstance();documentBF.setNamespaceAware(true);try{DocumentBuilder documentB = documentBF.newDocumentBuilder();InputStream inputStream = getSoapInputStream(netXMLDataURL);//具體webService相關(guān)document = documentB.parse(inputStream);inputStream.close();}catch(DOMException e){e.printStackTrace();return null;}catch(ParserConfigurationException e){e.printStackTrace();return null;}catch (SAXException e){e.printStackTrace();return null;}catch(IOException e){e.printStackTrace();return null;}return document;}/*返回InputStream對象*/public static InputStream getSoapInputStream(String url){InputStream inputStream = null;try{URL urlObj = new URL(url);URLConnection urlConn = urlObj.openConnection();urlConn.setRequestProperty("Host", SERVICES_HOST);//具體webService相關(guān)urlConn.connect();inputStream = urlConn.getInputStream();}catch(MalformedURLException e){e.printStackTrace();}catch(IOException e){e.printStackTrace();}return inputStream;}/*訪問遠(yuǎn)程(WebService)xml數(shù)據(jù)后返回的xml格式字符串并生成為本地文件*/public static void helloOK(Document document, String savaFileURL){TransformerFactory transF = TransformerFactory.newInstance();try{Transformer transformer = transF.newTransformer();DOMSource source = new DOMSource(document);transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");transformer.setOutputProperty(OutputKeys.INDENT, "YES");PrintWriter pw = new PrintWriter(new FileOutputStream(savaFileURL));StreamResult result = new StreamResult(pw);transformer.transform(source, result);System.out.println("生成xml文件成功!");}catch(TransformerConfigurationException e){System.out.println(e.getMessage());}catch(IllegalArgumentException e){System.out.println(e.getMessage());}catch(FileNotFoundException e){System.out.println(e.getMessage());}catch(TransformerException e){System.out.println(e.getMessage());}}} |
希望本文所述對大家的java程序設(shè)計有所幫助。
