src

src/src

@@ -1,175 +0,0 @@
-package com.src.utils;
-
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-
-/**
- * 
- *
- */
-public class Sqltools {
-
-
-	private static Connection cnn = null;
-	private static PreparedStatement ps = null;
-	private static ResultSet rs = null;
-
-
-
-	private static String url = "jdbc:mysql://localhost:3306/sport";
-	private static String username = "root";
-	private static String password = "123456";
-	private static String driver = "com.mysql.cj.jdbc.Driver";//
-
-	
-	static {
-		try {
-
-			Class.forName(driver);
-		} catch (ClassNotFoundException e) {
-
-			e.printStackTrace();
-		}
-
-	}
-
-	
-	public static Connection getConnection() {
-
-		try {
-			cnn = DriverManager.getConnection(url, username, password);
-		} catch (SQLException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		}
-
-		return cnn;
-
-	}
-
-
-
-	public static ResultSet excuteQuery(String sql, String[] parameters) {
-
-		try {
-			cnn = getConnection();
-			ps = cnn.prepareStatement(sql);
-			if (parameters != null && !parameters.equals("")) {
-
-				for (int i = 0; i < parameters.length; i++) {
-
-					ps.setString(i + 1, parameters[i]);
-				}
-
-			}
-			rs = ps.executeQuery();
-		} catch (SQLException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		}
-
-		return rs;
-
-	}
-
-	/**
-	 * 
-	 *
-	 * 
-	 * @param sql
-	 * @param parameters
-	 */
-	public static boolean excuteUpdates(String sql, String[] parameters) {
-		
-		
-		boolean b=true;
-		try {
-			
-			
-			cnn = getConnection();
-			ps = cnn.prepareStatement(sql);
-			if (parameters != null && !parameters.equals("")) {
-
-				for (int i = 0; i < parameters.length; i++) {
-
-					ps.setString(i + 1, parameters[i]);
-
-				}
-			}
-			ps.executeUpdate();
-		} catch (SQLException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-			
-			b=false;
-			throw new RuntimeException(e.getMessage());
-		}finally{
-			close(null,ps,cnn);
-		}
-		return b;
-
-	}
-
-	/**
-	 * 
-	 * 
-	 * @param rs
-	 * @param ps
-	 * @param cnn
-	 */
-	public static void close(ResultSet rs, PreparedStatement ps, Connection cnn) {
-
-		if (rs != null) {
-			try {
-				rs.close();
-			} catch (SQLException e) {
-				// TODO Auto-generated catch block
-				e.printStackTrace();
-			}
-			rs = null;
-		}
-		if (ps != null) {
-
-			try {
-				ps.close();
-			} catch (SQLException e) {
-				// TODO Auto-generated catch block
-				e.printStackTrace();
-			}
-			ps = null;
-
-		}
-		if (cnn != null) {
-
-			try {
-				cnn.close();
-			} catch (SQLException e) {
-				// TODO Auto-generated catch block
-				e.printStackTrace();
-			}
-			cnn = null;
-		}
-	}
-    
-	/**
-	 * 
-	 * 
-	 * 
-	 * @return
-	 */
-	public static Connection getCnn() {
-		return cnn;
-	}
-
-	public static PreparedStatement getPs() {
-		return ps;
-	}
-
-	public static ResultSet getRs() {
-		return rs;
-	}
-
-}