استرجاع تفاصيل مصادر البيانات الخارجية

استرجاع تفاصيل مصادر البيانات الخارجية

يوضح المثال التالي كيفية الحصول على اتصال قاعدة البيانات والتفاصيل الأخرى. يستخدم المثال ملف إكسل بسيط يحتوي على روابط إلى مصدر البيانات الخارجية (خادم SQL).

عند تشغيل الكود، سيتم طباعة تفاصيل الاتصال على الكونسول.

معلومات اتصال SQL

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// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-Java
// The path to the documents directory.
String dataDir = Utils.getDataDir(RetrievingExternalDataSourcesDetails.class);
// Open the template Excel file
Workbook workbook = new Workbook(dataDir + "connection.xlsx");
// Get the external data connections
ExternalConnectionCollection connections = workbook.getDataConnections();
// Get the count of the collection connection
int connectionCount = connections.getCount();
// Create an external connection object
ExternalConnection connection = null;
// Loop through all the connections in the file
for (int i = 0; i < connectionCount; i++) {
connection = connections.get(i);
if (connection instanceof DBConnection) {
// Instantiate the DB Connection
DBConnection dbConn = (DBConnection) connection;
// Print the complete details of the object
System.out.println("Command: " + dbConn.getCommand());
System.out.println("Command Type: " + dbConn.getCommandType());
System.out.println("Description: " + dbConn.getConnectionDescription());
System.out.println("Id: " + dbConn.getConnectionId());
System.out.println("Info: " + dbConn.getConnectionInfo());
System.out.println("Credentials: " + dbConn.getCredentials());
System.out.println("Name: " + dbConn.getName());
System.out.println("OdcFile: " + dbConn.getOdcFile());
System.out.println("Source file: " + dbConn.getSourceFile());
System.out.println("Type: " + dbConn.getType());
// Get the parameters collection (if the connection object has)
ConnectionParameterCollection parameterCollection = dbConn.getParameters();
// Loop through all the parameters and obtain the details
int paramCount = parameterCollection.getCount();
for (int j = 0; j < paramCount; j++) {
ConnectionParameter param = parameterCollection.get(j);
System.out.println("Cell reference: " + param.getCellReference());
System.out.println("Parameter name: " + param.getName());
System.out.println("Prompt: " + param.getPrompt());
System.out.println("SQL Type: " + param.getSqlType());
System.out.println("Param Type: " + param.getType());
System.out.println("Param Value: " + param.getValue());
}
}
}