• Android从网络中获取xml文件并解析数据


     1 public class XmlwebData 
     2 {
     3 
     4     @SuppressLint("UseValueOf")
     5     public static List<Person> getData(String path) throws Exception
     6     {
     7         URL url=new URL("http://192.168.5.10:8080/FileServer/person.xml");
     8         Person person=null;
     9         List<Person> persons=null;
    10         HttpURLConnection conn=(HttpURLConnection) url.openConnection();
    11         conn.setRequestMethod("GET");
    12         conn.setConnectTimeout(5000);
    13         if(conn.getResponseCode()==200)
    14         {
    15             InputStream inputstream=conn.getInputStream();
    16             System.out.println("网络连接成功");
    17             
    18             XmlPullParser xml=Xml.newPullParser();
    19             xml.setInput(inputstream, "UTF-8");
    20             int event=xml.getEventType();
    21             
    22             while(event!=XmlPullParser.END_DOCUMENT)
    23             {
    24                 switch (event) 
    25                 {
    26                 //开始解析文档
    27                 case XmlPullParser.START_DOCUMENT:
    28                     persons=new ArrayList<Person>();
    29                     break;
    30                 case XmlPullParser.START_TAG:
    31                     
    32                     String value=xml.getName();
    33                     if(value.equals("person"))
    34                     {//person对象的初始化必须在这里初始化不然可能出现为null的现象
    35                         person=new Person();
    36                         //获取属性值
    37                         person.setId(new Integer(xml.getAttributeValue(0)));
    38                     }
    39                     else if(value.equals("name"))
    40                     {
    41                         person.setName(xml.nextText());
    42                         System.out.println(person.getName());
    43                     }
    44                     else if(value.equals("sex"))
    45                     {
    46                         person.setSex(xml.nextText());
    47                         System.out.println(person.getSex());
    48                     }
    49                     else if(value.equals("age"))
    50                     {
    51                         person.setAge(new Integer(xml.nextText()));
    52                         System.out.println(person.getAge());
    53                     }
    54                     else if(value.equals("path"))
    55                     {
    56                         person.setPath(xml.nextText());
    57                         System.out.println(person.getPath());
    58                     }
    59                     break;
    60                 case XmlPullParser.END_TAG:
    61                     if(xml.getName().equals("person"))
    62                     {
    63                         persons.add(person);
    64                         person=null;
    65                     }
    66                     break;
    67                 }
    68                 //解析下一个对象
    69                 event=xml.next();
    70             }
    71         }
    72         return persons;
    73     }
    74 
    75 }

    peson类

     1 public class Person 
     2 {
     3     private int id;
     4     private String name;
     5     private String sex;
     6     private String path;
     7     public String getPath() {
     8         return path;
     9     }
    10     public void setPath(String path) {
    11         this.path = path;
    12     }
    13     private int age;
    14     public int getId() {
    15         return id;
    16     }
    17     public void setId(int id) {
    18         this.id = id;
    19     }
    20     public String getName() {
    21         return name;
    22     }
    23     public void setName(String name) {
    24         this.name = name;
    25     }
    26     public String getSex() {
    27         return sex;
    28     }
    29     public void setSex(String sex) {
    30         this.sex = sex;
    31     }
    32     public int getAge() {
    33         return age;
    34     }
    35     public void setAge(int age) {
    36         this.age = age;
    37     }
    38     public Person(){};
    39     public Person(int id, String name, String sex, int age,String path) {
    40         super();
    41         this.id = id;
    42         this.name = name;
    43         this.sex = sex;
    44         this.age = age;
    45         this.path=path;
    46     }
    47 }

    网络中的person.xml文件的数据为

    <?xml version="1.0" encoding="UTF-8"?>
    <Persons>
        <person id="1">
            <name>张三</name>
            <sex>男</sex>
            <age>25</age>
            <path>http://192.168.5.10:8080/FileServer/chengjisihan.jpg</path>
        </person>
        <person id="2">
            <name>李斯</name>
            <sex>男</sex>
            <age>78</age>
            <path>http://192.168.5.10:8080/FileServer/laozi.jpg</path>
        </person>
        <person id="3">
            <name>王五</name>
            <sex>男</sex>
            <age>22</age>
            <path>http://192.168.5.10:8080/FileServer/lilongji.jpg</path>
        </person>
    </Persons>
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  • 原文地址:https://www.cnblogs.com/tianshidechibang234/p/3196267.html
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