🐛 Fixing a bug. close #3575 代码生成器连接sqlserver报错，无法获取到库中的表

pigx-common/pigx-common-datasource/src/main/java/com/pig4cloud/pigx/common/datasource/config/JdbcDynamicDataSourceProvider.java

@@ -77,24 +77,17 @@ public class JdbcDynamicDataSourceProvider extends AbstractJdbcDataSourceProvide
 			if (DsConfTypeEnum.JDBC.getType().equals(confType)) {
 				url = rs.getString(DataSourceConstants.DS_JDBC_URL);
 			}
-			else if (DsJdbcUrlEnum.MSSQL.getDbName().equals(dsType)) {
-				// Druid Config
-				DruidConfig druidConfig = new DruidConfig();
-				druidConfig.setValidationQuery("select 'x'");
-				property.setDruid(druidConfig);
-
-				String host = rs.getString(DataSourceConstants.DS_HOST);
-				String port = rs.getString(DataSourceConstants.DS_PORT);
-				String dsName = rs.getString(DataSourceConstants.DS_NAME);
-				String instance = rs.getString(DataSourceConstants.DS_INSTANCE);
-				url = String.format(urlEnum.getUrl(), host, instance, port, dsName);
-			}
 			else {
 				String host = rs.getString(DataSourceConstants.DS_HOST);
 				String port = rs.getString(DataSourceConstants.DS_PORT);
 				String dsName = rs.getString(DataSourceConstants.DS_NAME);
 				url = String.format(urlEnum.getUrl(), host, port, dsName);
 			}
+
+			// Druid Config
+			DruidConfig druidConfig = new DruidConfig();
+			druidConfig.setValidationQuery(urlEnum.getValidationQuery());
+			property.setDruid(druidConfig);
 			property.setUrl(url);
 
 			map.put(name, property);

pigx-common/pigx-common-datasource/src/main/java/com/pig4cloud/pigx/common/datasource/util/DsJdbcUrlEnum.java

@@ -22,32 +22,34 @@ public enum DsJdbcUrlEnum {
 			"jdbc:mysql://%s:%s/%s?characterEncoding=utf8"
 					+ "&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true"
 					+ "&useLegacyDatetimeCode=false&allowMultiQueries=true&allowPublicKeyRetrieval=true",
-			"mysql8 链接"),
+			"select 1", "mysql8 链接"),
 
 	/**
 	 * pg 数据库
 	 */
-	PG("pg", "jdbc:postgresql://%s:%s/%s", "postgresql 链接"),
+	PG("pg", "jdbc:postgresql://%s:%s/%s", "select 1", "postgresql 链接"),
 
 	/**
 	 * SQL SERVER
 	 */
-	MSSQL("mssql", "jdbc:sqlserver://%s\\%s:%s;database=%s;characterEncoding=UTF-8", "sqlserver 链接"),
+	MSSQL("mssql", "jdbc:sqlserver://%s:%s;database=%s;characterEncoding=UTF-8", "select 1", "sqlserver 链接"),
 
 	/**
 	 * oracle
 	 */
-	ORACLE("oracle", "jdbc:oracle:thin:@%s:%s:%s", "oracle 链接"),
+	ORACLE("oracle", "jdbc:oracle:thin:@%s:%s:%s", "select 1 from dual", "oracle 链接"),
 
 	/**
 	 * db2
 	 */
-	DB2("db2", "jdbc:db2://%s:%s/%s", "DB2 TYPE4 连接");
+	DB2("db2", "jdbc:db2://%s:%s/%s", "select 1 from sysibm.sysdummy1", "DB2 TYPE4 连接");
 
 	private final String dbName;
 
 	private final String url;
 
+	private final String validationQuery;
+
 	private final String description;
 
 	public static DsJdbcUrlEnum get(String dsType) {