完成代码

src/main/java/com/shr/utils/DBHelper.java

@@ -4,6 +4,8 @@ import java.sql.*;
 
 import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties;
 
+import cn.hutool.core.lang.Console;
+
 
 /**
  * 直接访问数据库
@@ -13,20 +15,21 @@ import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties;
 public class DBHelper {
 
 	private static DBHelper dbHelper=null;
-	private String jdbcConnectionStr;
 	private Connection connection;
 	private DataSourceProperties dataSource;
 	private PreparedStatement preparedStatement;
 	private ResultSet resultSet;
 	
 	private DBHelper() {
-		jdbcConnectionStr = dataSource.getUrl();	
 	}
 	
 	public static DBHelper createDBHelper(DataSourceProperties dataSource) {
 	
 		dbHelper = new DBHelper();
 		dbHelper.dataSource = dataSource;
+		Console.log("dataSource。url:" +  dataSource.getUrl());
+		Console.log("dataSource。username:" +  dataSource.getUsername());
+		Console.log("dataSource。password:" +  dataSource.getPassword());
 		dbHelper.initDB();
 		return dbHelper;
 	}
@@ -34,7 +37,7 @@ public class DBHelper {
 	public void getConn() {
 	
 		try {
-			connection = DriverManager.getConnection(jdbcConnectionStr, dataSource.getUsername(), dataSource.getPassword());
+			connection = DriverManager.getConnection( dataSource.getUrl(), dataSource.getUsername(), dataSource.getPassword());
 			connection.setAutoCommit(false);
 		} catch (SQLException e) {
 			e.printStackTrace();