需要幫助第一次使用java在eclipse上設置SQLite

Question

我一直試圖弄清楚如何讓SQLite在eclipse juno上工作。 我一直按照本網站上的說明http://wiki.eclipse.org/Connecting_to_SQLite 。 問題不在於每個步驟都與解釋完全一致，因此我猜測天氣是否正確。 我覺得我可能已經完全正確，直到第13步，沒有SQL Model-JDBC Connection條目。 所以我嘗試使用通用JDBC和使用SQLite的步驟13-16。 SQLite沒有一個驅動程序，由於步驟5沒有任何意外。我到目前為止嘗試過的任何方式都會導致ping失敗，下面列出了詳細信息。 有人必須有更好的方法來完成這個過程。

java.sql.SQLException: java.lang.UnsatisfiedLinkError: SQLite.Database.open(Ljava/lang/String;I)V
at SQLite.JDBCDriver.connect(JDBCDriver.java:68)
at org.eclipse.datatools.connectivity.drivers.jdbc.JDBCConnection.createConnection(JDBCConnection.java:328)
at org.eclipse.datatools.connectivity.DriverConnectionBase.internalCreateConnection(DriverConnectionBase.java:105)
at org.eclipse.datatools.connectivity.DriverConnectionBase.open(DriverConnectionBase.java:54)
at org.eclipse.datatools.connectivity.drivers.jdbc.JDBCConnection.open(JDBCConnection.java:96)
at org.eclipse.datatools.connectivity.drivers.jdbc.JDBCConnectionFactory.createConnection(JDBCConnectionFactory.java:53)
at org.eclipse.datatools.connectivity.internal.ConnectionFactoryProvider.createConnection(ConnectionFactoryProvider.java:83)
at org.eclipse.datatools.connectivity.internal.ConnectionProfile.createConnection(ConnectionProfile.java:359)
at org.eclipse.datatools.connectivity.ui.PingJob.createTestConnection(PingJob.java:76)
at org.eclipse.datatools.connectivity.ui.PingJob.run(PingJob.java:59)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)

Answer 1

, then import the driver into your project. 確保從獲取驅動程序，然后將驅動程序導入到項目中。

現在，您可以通過創建java類Sample.java來測試配置

   import java.sql.Connection;
   import java.sql.DriverManager;
   import java.sql.ResultSet;
   import java.sql.SQLException;
   import java.sql.Statement;

   public class Sample
    {
    public static void main(String[] args) throws ClassNotFoundException
     {
      // load the sqlite-JDBC driver using the current class loader
      Class.forName("org.sqlite.JDBC");

      Connection connection = null;
      try
      {
         // create a database connection
         connection = DriverManager.getConnection("jdbc:sqlite:sample.db");

         Statement statement = connection.createStatement();
         statement.setQueryTimeout(30);  // set timeout to 30 sec.


         statement.executeUpdate("DROP TABLE IF EXISTS person");
         statement.executeUpdate("CREATE TABLE person (id INTEGER, name STRING)");

         int ids [] = {1,2,3,4,5};
         String names [] = {"Peter","Pallar","William","Paul","James Bond"};

         for(int i=0;i<ids.length;i++){
              statement.executeUpdate("INSERT INTO person values(' "+ids[i]+"', '"+names[i]+"')");   
         }

         //statement.executeUpdate("UPDATE person SET name='Peter' WHERE id='1'");
         //statement.executeUpdate("DELETE FROM person WHERE id='1'");

           ResultSet resultSet = statement.executeQuery("SELECT * from person");
           while(resultSet.next())
           {
              // iterate & read the result set
              System.out.println("name = " + resultSet.getString("name"));
              System.out.println("id = " + resultSet.getInt("id"));
           }
          }

     catch(SQLException e){  System.err.println(e.getMessage()); }       
      finally {         
            try {
                  if(connection != null)
                     connection.close();
                  }
            catch(SQLException e) {  // Use SQLException class instead.          
               System.err.println(e); 
             }
      }
  }
 }

代碼將創建一個名為sample.db的數據庫，將數據插入，然后打印行。