第一次需要帮助在 Eclipse 上使用 Java 设置 SQLite
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need help setting up SQLite on eclipse with java for the first time
提问by Chad
I have been trying to figure out how to get SQLite working on eclipse juno. I have been following the instructions on this site http://wiki.eclipse.org/Connecting_to_SQLite. The problem is not every step is exactly as explained so I am guessing on weather I got it right or not. I feel that I have probably gotten it all correct until step 13, there is no SQL Model-JDBC Connection entry. So I have tried step 13-16 with a generic JDBC and with one that says SQLite. The SQLite one does not have a driver which is no surprise due to step 5. Any way that I have tried so far ends up failing ping with details listed below. Someone must have a better way through this process.
我一直在试图弄清楚如何让 SQLite 在 eclipse juno 上工作。我一直在遵循本网站http://wiki.eclipse.org/Connecting_to_SQLite上的说明。问题不是每一步都完全按照解释，所以我猜测天气我做对了与否。我觉得在第 13 步之前我可能已经全部正确了，没有 SQL 模型-JDBC 连接条目。所以我尝试了使用通用 JDBC 和一个说 SQLite 的步骤 13-16。SQLite 没有驱动程序，这并不奇怪，因为第 5 步。到目前为止，我尝试过的任何方式最终都会导致 ping 失败，详细信息如下。一定有人有更好的方法来完成这个过程。
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)
采纳答案by Isthatso
Make sure you get the driver from https://bitbucket.org/xerial/sqlite-jdbc/downloads, then import the driver into your project.
确保您从https://bitbucket.org/xerial/sqlite-jdbc/downloads获取驱动程序，然后将驱动程序导入到您的项目中。
Now you can test the configuration by creating a java class Sample.java
现在你可以通过创建一个java类来测试配置 Sample.java
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);
}
}
}
}
The code will create a database named sample.db, inserting data into, and then prints the rows.
该代码将创建一个名为 的数据库sample.db，将数据插入其中，然后打印行。
