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JRuby からExcel Services Data にデータ連携

リアルタイムExcel Services data に連携するシンプルなJRuby アプリケーションを作成します。

JRuby はRuby プログラミング言語の高性能で安定した、完全にスレッド化されたJava 実装です。CData JDBC Driver for Excel Services を使用すると、JRuby からリアルタイムExcel Services data へのデータ連携を簡単に実装できます。ここでは、Excel Services data に接続し、クエリを実行して結果を表示する簡単なJRuby アプリを作成する方法を説明します。

Excel Services Data にJDBC で接続

Before creating the app, note the installation location for the JAR file for the JDBC Driver (typically C:\Program Files\CDatat\CData JDBC Driver for Excel Services\lib).

JRuby natively supports JDBC, so you can easily connect to Excel Services and execute SQL queries.Initialize the JDBC connection with the getConnection function of the java.sql.DriverManager class.

The URL, User, and Password properties, under the Authentication section, must be set to valid credentials for SharePoint Online, SharePoint 2010, or SharePoint 2013. Additionally, the Library property must be set to a valid SharePoint Document Library and the File property must be set to a valid .xlsx file in the indicated Library.

ビルトイン接続文字列デザイナー

For assistance in constructing the JDBC URL, use the connection string designer built into the Excel Services JDBC Driver.Either double-click the JAR file or execute the jar file from the command-line.

java -jar cdata.jdbc.excelservices.jar

Fill in the connection properties and copy the connection string to the clipboard.

Below is a typical JDBC connection string for Excel Services:

jdbc:excelservices:URL=https://myorg.sharepoint.com;User=admin@myorg.onmicrosoft.com;Password=password;File=Book1.xlsx;

Excel Services Data への接続性を持つJRuby アプリを作成

Create a new Ruby file (for example: ExcelServicesSelect.rb) and open it in a text editor.Copy the following code into your file:

require 'java' require 'rubygems' require 'C:/Program Files/CData/CData JDBC Driver for Excel Services 2018/lib/cdata.jdbc.excelservices.jar' url = "jdbc:excelservices:URL=https://myorg.sharepoint.com;User=admin@myorg.onmicrosoft.com;Password=password;File=Book1.xlsx;" conn = java.sql.DriverManager.getConnection(url) stmt = conn.createStatement rs = stmt.executeQuery("SELECT Name, AnnualRevenue FROM Account") while (rs.next) do puts rs.getString(1) + ' ' + rs.getString(2) end

With the file completed, you are ready to display your Excel Services data with JRuby.To do so, simply run your file from the command line:

jruby -S ExcelServicesSelect.rb

Writing SQL-92 queries to Excel Services allows you to quickly and easily incorporate Excel Services data into your own JRuby applications.Download a free trial today!

 
 
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