java 解析xml 并且将数据自动存入mysql数据库

package hello.entity.jiexi_xml;

import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.Namespace;
import org.jdom.input.SAXBuilder;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.sql.*;
import java.util.List;
public class DB { 
    
//数据库的连接
    private static String URL = "jdbc:mysql://localhost:3306/test";
    private static String USERNAME = "root";
    private static String PASSWORD = "root";

    
    public static Connection getConn(){   
        Connection conn = null;   
        try {    
        Class.forName("com.mysql.jdbc.Driver");
        conn = DriverManager.getConnection(URL,USERNAME,PASSWORD);   
        } catch (Exception e) {    
            e.printStackTrace();   
            }   return conn;  
            }
        
    public static Statement createStmt(Connection conn){
        Statement stmt = null;
        try {
            stmt = conn.createStatement();
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return stmt;
    }
    
    public static ResultSet executeQuery(Statement stmt,String sql){
        ResultSet rs = null;
        try {
            rs = stmt.executeQuery(sql);
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return rs;
    }
    
    public static PreparedStatement prepareStmt(Connection conn,String sql){
        PreparedStatement pStmt = null;
        try {
            pStmt = conn.prepareStatement(sql);
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return pStmt;
    }
    
    
    
    public static void main(String[] args) {   
        try {
            XmlParse();
        } catch (JDOMException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        }  
    
    
     public static void XmlParse() throws JDOMException, IOException {
         SAXBuilder builder = new SAXBuilder();
         InputStream file = new FileInputStream("ceshi.xml");          //测试文件的路径
          
          {
          Document document = builder.build(file);//加载文件
          Element root = document.getRootElement();//设置根节点
              
          Namespace ns = root.getNamespace("gml");
          List<Element> list = root.getChildren("a",ns);
          for(Element e1:list){
              Namespace ns2 = e1.getNamespace("esri");
              Element e2 = e1.getChild("x",ns2);
              String ID = e2.getAttributeValue("fid");
              System.out.println("ID =" + ID);
              
              Namespace ns3 = e2.getNamespace("esri");
              Element e3 = e2.getChild("OBJECTID",ns3);
              
              Namespace ns4 = e2.getNamespace("gml");
              Element e4 = e2.getChild("b",ns4);
              
              Namespace ns5 = e4.getNamespace("gml");
              Element e5 = e4.getChild("c",ns5);
              
              Namespace ns6 = e5.getNamespace("gml");
              Element e6 = e5.getChild("d",ns6);
              
              Namespace ns7 = e6.getNamespace("gml");
              Element e7 = e6.getChild("e",ns7);
              
              Namespace ns8 = e7.getNamespace("gml");
              Element e8 = e7.getChild("f",ns8);
              
              Namespace ns9 = e8.getNamespace("gml");
              Element e9 = e8.getChild("g",ns9);
              
              Namespace ns10 = e9.getNamespace("gml");
              Element e10 = e9.getChild("coordinates",ns10);
              String POINT1 = e10.getTextTrim();
              System.out.println("POINT1 =" + POINT1); 
               
              Namespace ns11 = e2.getNamespace("gml");
              Element e11 = e2.getChild("envelope",ns11);
              String POINT2 = e11.getTextTrim();
              System.out.println("POINT2 =" + POINT2);
              
              Namespace ns12 = e2.getNamespace("esri");
              Element e12 = e2.getChild("a",ns12);
              String NAME = e12.getTextTrim();
              System.out.println("NAME =" + NAME);
              
              Connection conn = DB.getConn();
                String sql = "insert into CESHI(ID,NAME,POINT1,POINT2) values (?,?,?,?)";
                PreparedStatement pStmt = DB.prepareStmt(conn,sql);
                try {
                    
                    pStmt.setString(1,ID);
                    pStmt.setString(2,NAME);
                    pStmt.setString(3,POINT1);
                    pStmt.setString(4,POINT2);
                    pStmt.executeUpdate();
                } catch (SQLException e) {
                    e.printStackTrace();
                }  
          }
          }
     }
    public static void close(Connection con,Statement sm,ResultSet rs){
        try {    
            if(con!=null){     
                con.close();    
                }    
            if(sm!=null){     
                sm.close();    
                }    
            if(rs != null){     
                rs.close();    
                }   
            } catch (SQLException e) {    
                e.printStackTrace();   
                }  
            } 
    }

            

 代码逻辑很清楚，只说一点，我这个项目用到的xml文件要放在项目根目录下，位置注意！

ceshi.xml：

<?xml version="1.0" encoding="gbk"?>
<wfs:FeatureCollection xmlns:esri="http://www.esri.com/esri" xmlns:gml="http://www.opengis.net/gml" xmlns:wfs="http://www.opengis.net/wfs" xmlns:ogc="http://www.opengis.net/ogc">
    <gml:a>
        <esri:x fid="111">
            <esri:OBJECTID>14</esri:OBJECTID>
            <gml:b>
                <gml:c srsName="1111">
                    <gml:d>
                        <gml:e>
                            <gml:f>
                                <gml:g>
                                    <gml:coordinates>111</gml:coordinates>
                                </gml:g>
                            </gml:f>
                        </gml:e>
                    </gml:d>
                </gml:c>
            </gml:b>
            <gml:envelope>222</gml:envelope>
            <esri:a>aaa</esri:a>
            <esri:b/>
            <esri:c>20121213</esri:c>
            <esri:d>20121213</esri:d>
            <esri:e>123456</esri:e>
            <esri:LEN>78910</esri:LEN>
        </esri:x>
    </gml:a>
         <gml:a>
        <esri:x fid="112">
            <esri:OBJECTID>14</esri:OBJECTID>
            <gml:b>
                <gml:c srsName="1111">
                    <gml:d>
                        <gml:e>
                            <gml:f>
                                <gml:g>
                                    <gml:coordinates>112</gml:coordinates></gml:g>
                            </gml:f>
                        </gml:e>
                    </gml:d>
                </gml:c>
            </gml:b>
            <gml:envelope>222</gml:envelope>
            <esri:a>aaa</esri:a>
            <esri:b/>
            <esri:c>20121213</esri:c>
            <esri:d>20121213</esri:d>
            <esri:e>123456</esri:e>
            <esri:LEN>78910</esri:LEN>
        </esri:x>
    </gml:a>
</wfs:FeatureCollection>

然后现在test数据库里新建一个CESHI表，建好后跑一下java文件，

表示已经在mysql中生成了数据，所以才提示primary key 111和112重复，不用管。

现在打开mysql工具，发现CESHI表里是不是已经多了几行数据？

ok，现在大功告成！