diff --git a/Projet_POO/.classpath b/Projet_POO/.classpath
index 9394050..4bfc173 100644
--- a/Projet_POO/.classpath
+++ b/Projet_POO/.classpath
@@ -1,10 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry exported="true" kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-14">
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-14">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="lib" path="C:/Users/basti/eclipse/mysql-connector-java-8.0.22/mysql-connector-java-8.0.22/mysql-connector-java-8.0.22.jar">
 		<attributes>
 			<attribute name="module" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/Projet_POO/src/bdd/Liaison.java b/Projet_POO/src/bdd/Liaison.java
new file mode 100644
index 0000000..ab06a27
--- /dev/null
+++ b/Projet_POO/src/bdd/Liaison.java
@@ -0,0 +1,43 @@
+package bdd;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+
+import com.mysql.cj.jdbc.MysqlDataSource;
+
+
+public class Liaison {
+	
+	private static String username = "tp_servlet_005";
+	private static String password = "eGhuu1hu";
+	
+	private static String serverName = "srv-bdens.insa-toulouse.fr";
+	private static Integer portNumber = 3306;
+	private static String bddNom = "tp_servlet_005";
+	
+	public static Connection getConnection() {
+		
+		Connection con = null;
+		
+		MysqlDataSource dataSource = new MysqlDataSource();
+		
+		dataSource.setServerName(serverName);
+		dataSource.setUser(username);
+		dataSource.setPassword(password);
+		dataSource.setDatabaseName(bddNom);
+		dataSource.setPortNumber(portNumber);
+		
+		
+		try {
+			con = dataSource.getConnection();
+			
+		} catch (SQLException e) {
+			e.printStackTrace();
+		}
+		
+		
+		
+		return con;
+	}
+
+}
diff --git a/Projet_POO/src/module-info.java b/Projet_POO/src/module-info.java
index 485fddc..fbd19e3 100644
--- a/Projet_POO/src/module-info.java
+++ b/Projet_POO/src/module-info.java
@@ -1,3 +1,5 @@
 module projet_POO {
 	requires java.desktop;
+	requires java.sql;
+	requires mysql.connector.java;
 }
\ No newline at end of file
diff --git a/Projet_POO/src/ui/Login_RegisterUI.java b/Projet_POO/src/ui/Login_RegisterUI.java
index e794f84..37907c8 100644
--- a/Projet_POO/src/ui/Login_RegisterUI.java
+++ b/Projet_POO/src/ui/Login_RegisterUI.java
@@ -7,6 +7,7 @@ import javax.swing.JFrame;
 import javax.swing.JPanel;
 import javax.swing.border.EmptyBorder;
 
+import bdd.Liaison;
 import clavardage.gestionnaireClavardage;
 import liste.GestionnaireListeUtilisateur;
 import liste.TypeListeUtilisateur;
@@ -24,9 +25,14 @@ import java.awt.event.ActionListener;
 import java.awt.event.ActionEvent;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
 import java.awt.event.KeyAdapter;
 import java.awt.event.KeyEvent;
 
+import java.sql.Connection;
+import java.sql.PreparedStatement;
 
 
 
@@ -202,7 +208,7 @@ public class Login_RegisterUI extends JFrame implements Runnable{
 	 */
 	
 	// Teste la validité des champs.
-	public void enter() {
+	public void enter2() {
 		String id = idField.getText();
 		String pwd = passwordField.getText();
 		
@@ -230,5 +236,39 @@ public class Login_RegisterUI extends JFrame implements Runnable{
 			
 		}
 	}
+	
+	public void enter() {
+		String id = idField.getText();
+		String pwd = passwordField.getText();
+
+		PreparedStatement st;
+		ResultSet rs;
+
+		String query = "SELECT * FROM user WHERE id = ? AND pwd = ?";
+
+		try {
+			Connection con = Liaison.getConnection();
+
+			st = con.prepareStatement(query);
+			//System.out.println("la");
+			st.setString(1, id);
+			st.setString(2, pwd);
+			
+			rs = st.executeQuery();
+			
+			if(rs.next()) {
+				System.out.println("BDD SUCCESS");
+			}
+			else {
+				System.out.println("BDD FAIL");
+			}
+			
+			
+		} catch (SQLException e) {
+			e.printStackTrace();
+		}
+		
+		
+	}
 
 }