Java操作数据库Sqlite样例代码

Java对数据的操作需要通过JDBC中间件，需要先配置好sqlite-jdbc-(版本号).jar。
JDBC学习教程可参考：http://www.runoob.com/w3cnote/jdbc-use-guide.html
Sqlite教程JAVA部分教程：http://www.runoob.com/sqlite/sqlite-java.html
/*样例代码包含数据库常用基本操作*/
package sqliteTest;

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

public class SqliteJDBC {
public static void main(String[] args) {
Connection cnt = null;
try {
// 加载驱动程序
Class.forName("org.sqlite.JDBC");
// 创建连接对象
cnt = DriverManager.getConnection("jdbc:sqlite:test.db");
System.out.println("Opened database successfully.");
// 创建会话状态
Statement stmt = cnt.createStatement();

// 建表 
String sql = "CREATE TABLE COMPANY "+
"(ID INT PRIMARY KEY NOT NULL, "+
"NAME TEXT NOT NULL, "+
"AGE INT NOT NULL, "+
"ADDRESS CHAR(50), "+
"SALARY REAL);";
stmt.executeUpdate(sql);
System.out.println("create table successfully.");
// 填入数据
sql = "INSERT INTO COMPANY (ID, NAME, AGE, ADDRESS, SALARY) "+
  "VALUES (1, 'Paul', 32, 'California', 20000.00);";
stmt.executeUpdate(sql);
sql = "INSERT INTO COMPANY (ID,NAME,AGE,ADDRESS,SALARY) " +
            "VALUES (4, 'Mark', 25, 'Rich-Mond ', 65000.00 );"; 
    stmt.executeUpdate(sql);
    System.out.println("fill data successfully.");
    // 数据查询
    Query(stmt);
    
    // 更新数据操作
sql = "UPDATE COMPANY set SALARY = 25000.00 where ID=1;";
stmt.executeUpdate(sql);
System.out.println("update successfully.");
Query(stmt);

    // 删除数据操作
    sql = "DELETE from COMPANY where ID=4;";
    stmt.executeUpdate(sql);
    System.out.println("delete successfully.");
    Query(stmt);
    
    // 关闭声明，及连接
    stmt.close();
    cnt.close();
}catch(Exception e){
System.err.println(e.getClass().getName() + ":" + e.getMessage());
System.exit(0);
}
}
// 单独创建查询功能模块
public static void Query(Statement stmt) throws SQLException{
String sql = "SELECT * FROM COMPANY;";
    ResultSet rs = stmt.executeQuery(sql);
    while(rs.next()) {
    int ID = rs.getInt("ID");
    String Name = rs.getString("NAME");
    int Age = rs.getInt("AGE");
    String Address = rs.getString("ADDRESS");
    float Salary = rs.getFloat("SALARY");
         System.out.println( "ID = " + ID );
         System.out.println( "NAME = " + Name );
         System.out.println( "AGE = " + Age );
         System.out.println( "ADDRESS = " + Address );
         System.out.println( "SALARY = " + Salary );
         System.out.println();
    }
    rs.close();
}
}