使用以下示例說明如何轉換HTML表 into使用JSON,CSV和Excel電子表格 GrabzIt的Perl API。 但是,在開始之前,請記住 URLToTable, HTMLToTable or 文件到表格 方法 Save or SaveTo 方法必須檢索表捕獲。 如果您想快速查看此服務是否適合您,可以嘗試 捕獲HTML表的實時演示 從URL。
以下代碼示例自動轉換在指定網頁中發現的第一個HTML表 intoa CSV文件。
$grabzIt->URLToTable("https://www.tesla.com"); # Then call the Save or SaveTo method
$grabzIt->HTMLToTable("<html><body><table><tr><th>Name</th><th>Age</th></tr> <tr><td>Tom</td><td>23</td></tr><tr><td>Nicola</td><td>26</td></tr> </table></body></html>"); # Then call the Save or SaveTo method
$grabzIt->FileToTable("tables.html"); # Then call the Save or SaveTo method
默認情況下,它將轉換它標識的第一個表 intoa表。 但是,可以通過將2傳遞給網頁中的第二個表來進行轉換 tableNumberToInclude
方法。
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItTableOptions->new(); $options->tableNumberToInclude(2); $grabzIt->URLToTable("https://www.tesla.com", $options); # Then call the Save or SaveTo method $grabzIt->SaveTo("result.csv");
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItTableOptions->new(); $options->tableNumberToInclude(2); $grabzIt->HTMLToTable("<html><body><table><tr><th>Name</th><th>Age</th></tr> <tr><td>Tom</td><td>23</td></tr><tr><td>Nicola</td><td>26</td></tr> </table></body></html>", $options); # Then call the Save or SaveTo method $grabzIt->SaveTo("result.csv");
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItTableOptions->new(); $options->tableNumberToInclude(2); $grabzIt->FileToTable("tables.html", $options); # Then call the Save or SaveTo method $grabzIt->SaveTo("result.csv");
您還可以指定 targetElement
確保只轉換指定元素ID中的表的方法。
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItTableOptions->new(); $options->targetElement("stocks_table"); $grabzIt->URLToTable("https://www.tesla.com", $options); # Then call the Save or SaveTo method $grabzIt->SaveTo("result.csv");
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItTableOptions->new(); $options->targetElement("stocks_table"); $grabzIt->HTMLToTable("<html><body><table id='stocks_table'><tr><th>Name</th><th>Age</th></tr> <tr><td>Tom</td><td>23</td></tr><tr><td>Nicola</td><td>26</td></tr> </table></body></html>", $options); # Then call the Save or SaveTo method $grabzIt->SaveTo("result.csv");
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItTableOptions->new(); $options->targetElement("stocks_table"); $grabzIt->FileToTable("tables.html", $options); # Then call the Save or SaveTo method $grabzIt->SaveTo("result.csv");
另外,您也可以通過將true傳遞給 includeAllTables
方法,但這僅適用於XLSX格式。 此選項會將每個表放在生成的電子表格工作簿中的新表中。
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItTableOptions->new(); $options->format('xlsx'); $options->includeAllTables(1); $grabzIt->URLToTable("https://www.tesla.com", $options); # Then call the Save or SaveTo method $grabzIt->SaveTo("result.xlsx");
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItTableOptions->new(); $options->format('xlsx'); $options->includeAllTables(1); $grabzIt->HTMLToTable("<html><body><table><tr><th>Name</th><th>Age</th></tr> <tr><td>Tom</td><td>23</td></tr><tr><td>Nicola</td><td>26</td></tr> </table></body></html>", $options); # Then call the Save or SaveTo method $grabzIt->SaveTo("result.xlsx");
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItTableOptions->new(); $options->format('xlsx'); $options->includeAllTables(1); $grabzIt->FileToTable("tables.html", $options); # Then call the Save or SaveTo method $grabzIt->SaveTo("result.xlsx");
使用Perl和GrabzIt,您可以轉換找到的HTML表 into JSON。 首先,請指定 json
在format參數中。 在示例中,我們正在 同步通話 通過使用 SaveTo
方法,該方法返回JSON string,然後可以通過類似的庫進行解析 JSON ::解析.
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItTableOptions->new(); $options->format("json"); $options->tableNumberToInclude(1); $grabzIt->URLToTable("https://www.tesla.com", $options); $json = $grabzIt->SaveTo();
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItTableOptions->new(); $options->format("json"); $options->tableNumberToInclude(1); $grabzIt->HTMLToTable("<html><body><table><tr><th>Name</th><th>Age</th></tr> <tr><td>Tom</td><td>23</td></tr><tr><td>Nicola</td><td>26</td></tr> </table></body></html>", $options); $json = $grabzIt->SaveTo();
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItTableOptions->new(); $options->format("json"); $options->tableNumberToInclude(1); $grabzIt->FileToTable("tables.html", $options); $json = $grabzIt->SaveTo();
您可以將自定義標識符傳遞給 表 方法,如下所示,然後將該值返回到您的GrabzIt Perl處理程序。 例如,該自定義標識符可以是數據庫標識符,從而允許將屏幕截圖與特定數據庫記錄相關聯。
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItTableOptions->new(); $options->customId("123456"); $grabzIt->URLToTable("https://www.tesla.com", $options); # Then call the Save method $grabzIt->Save("http://www.example.com/handler.pl");
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItTableOptions->new(); $options->customId("123456"); $grabzIt->HTMLToTable("<html><body><h1>Hello World!</h1></body></html>", $options); # Then call the Save method $grabzIt->Save("http://www.example.com/handler.pl");
$grabzIt = GrabzItClient->new("Sign in to view your Application Key", "Sign in to view your Application Secret"); $options = GrabzItTableOptions->new(); $options->customId("123456"); $grabzIt->FileToTable("example.html", $options); # Then call the Save method $grabzIt->Save("http://www.example.com/handler.pl");