⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 texttojdbc.java

📁 codebook!
💻 JAVA
字号:
package jabadot;import java.sql.*;import java.io.*;import java.util.*;/** Convert the database from text form to JDBC form. */public class TextToJDBC {	protected final static String TEXT_NAME = "users.txt";	protected final static String DB_URL = "jdbc:idb:jabadb.prp";	public static void main(String[] fn)	throws ClassNotFoundException, SQLException, IOException {		BufferedReader is = new BufferedReader(new FileReader(TEXT_NAME));		// Load the database driver		Class.forName("jdbc.idbDriver");		System.out.println("Getting Connection");		Connection conn = DriverManager.getConnection(			DB_URL, "ian", "");	// user, password		System.out.println("Creating Statement");		Statement stmt = conn.createStatement();		System.out.println("Creating table and index");		stmt.executeUpdate("DROP TABLE users");		stmt.executeUpdate("CREATE TABLE users (\n" +			"name     char(12) PRIMARY KEY,\n" +			"password char(20),\n" +			"fullName char(30),\n" +			"email    char(60),\n" +			"city     char(20),\n" +			"prov     char(20),\n" +			"country  char(20),\n" +			"privs    int\n" +			")");		stmt.executeUpdate("CREATE INDEX nickIndex ON users (name)");		stmt.close();		// put the data in the table		PreparedStatement ps = conn.prepareStatement(			"INSERT INTO users VALUES (?,?,?,?,?,?,?,?)");		String line;		while ((line = is.readLine()) != null) {			//name:password:fullname:City:Prov:Country:privs			if (line.startsWith("#")) {		// comment				continue;			}			// XXX Why doesn't this use UserDBText?			StringTokenizer st =				new StringTokenizer(line, ":");			String nick = st.nextToken();			String pass = st.nextToken();			String full = st.nextToken();			String email = st.nextToken();			String city = st.nextToken();			String prov = st.nextToken();			String ctry = st.nextToken();			User u = new User(nick, pass, full, email,				city, prov, ctry);			String privs = st.nextToken();			int iprivs = 0;			if (privs.indexOf("A") != -1) {				iprivs |= User.P_ADMIN;			}			if (privs.indexOf("E") != -1) {				iprivs |= User.P_EDIT;			}			ps.setString(1, nick);			ps.setString(2, pass);			ps.setString(3, full);			ps.setString(4, email);			ps.setString(5, city);			ps.setString(6, prov);			ps.setString(7, ctry);			ps.setInt(8, iprivs);			ps.executeUpdate();		}		ps.close();		// All done with that statement		conn.close();	// All done with that DB connection		return;			// All done with this program.	}}

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -