1ãMySQLå®è£
ï¼å建ä¸ä¸ªæ°æ®ã
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代ç å¦ä¸:
mysql>CREATE DATABASE test; //å建ä¸ä¸ªæ°æ®åº
mysql>use test; //æå®test为å½åè¦æä½çæ°æ®åº
mysql>CREATE TABLE user (name VARCHAR(20),password VARCHAR(20)); //å建ä¸ä¸ªè¡¨userï¼è®¾ç½®ä¸¤ä¸ªå段ã
mysql>INSERT INTO user VALUES('huzhiheng','123456'); //æå
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2ãæå¼Eclipseï¼å建ä¸ä¸ªé¡¹ç®ã
æä½ï¼å³é®ç¹å»my--->build Path--->add external Archiver...éæ©jdbc驱å¨ï¼ç¹å»ç¡®å®ã
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¥ï¼ä¸é¢æ们æ¥åä¸ä¸ªç¨åºéªè¯ä¸ä¸
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代ç å¦ä¸:
import java.sql.*;
public class MysqlJdbc {
public static void main(String args[]) {
try {
Class.forName("com.mysql.jdbc.Driver"); //å è½½MYSQL JDBC驱å¨ç¨åº
//Class.forName("org.gjt.mm.mysql.Driver");
System.out.println("Success loading Mysql Driver!");
}
catch (Exception e) {
System.out.print("Error loading Mysql Driver!");
e.printStackTrace();
}
try {
Connection connect = DriverManager.getConnection(
"jdbc:mysql://localhost:3306/test","root","198876");
//è¿æ¥URL为 jdbc:mysql//æå¡å¨å°å/æ°æ®åºå ï¼åé¢ç2个åæ°åå«æ¯ç»éç¨æ·ååå¯ç </p><p> System.out.println("Success connect Mysql server!");
Statement stmt = connect.createStatement();
ResultSet rs = stmt.executeQuery("select * from user");
//user ä¸ºä½ è¡¨çå称
while (rs.next()) {
System.out.println(rs.getString("name"));
}
}
catch (Exception e) {
System.out.print("get data error!");
e.printStackTrace();
}
}
}
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代ç å¦ä¸:
Success loading Mysql Driver!
Success connect Mysql server!
huzhiheng
åºç°ä¸é¢ç»æï¼è¯´æä½ è¿æ¥æ°æ®åºæåã
4ãå¯ä»¥æ¥çå°MySQLéé¢çå
容ï¼é£æ们æ¯ä¸æ¯æ³å¾MySQLä¸æå
¥æ°æ®å¢ãä¸é¢çä¾åï¼å¾MySQLçuser表ä¸æå
¥100æ¡æ°æ®
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代ç å¦ä¸:
import java.sql.*;</p><p>public class Myjproject {
public static void main(String args[])
{
try {
Class.forName("com.mysql.jdbc.Driver"); //å è½½MYSQL JDBC驱å¨ç¨åº
//Class.forName("org.gjt.mm.mysql.Driver");
System.out.println("Success loading Mysql Driver!");
}
catch (Exception e) {
System.out.print("Error loading Mysql Driver!");
e.printStackTrace();
}
try {
Connection connect = DriverManager.getConnection( "jdbc:mysql://localhost:3306/test","root","198876");
int num=100;
PreparedStatement Statement=connect.prepareStatement("INSERT INTO user VALUES(?,?)");
for(int i=0;i<num;i++) //å®ä¹ä¸ª100次ç循ç¯ï¼å¾è¡¨éæå
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{
Statement.setString(1,"chongshi"+i);
Statement.setString(2,"bo"+i);
Statement.executeUpdate();
}</p><p> // } catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
// System.out.println("An error has occurred:"+e.toString());
// e.printStackTrace();
}catch(SQLException e)
{
}
}
}
5ãä¸é¢æ们æå¼MySQLæ°æ®åºè¿è¡æ¥ç
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代ç å¦ä¸:
mysql> show tatabases; //æ¥çææ°æ®åº
mysql> use test; //使test为å½åè¦æä½çæ°æ®åº
mysql> show tables; //æ¥çå½åæ°æ®åºçææ表
mysql> select *from user; //æ¥çå½å表ï¼userï¼çææä¿¡æ¯
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