Description
Gets the blob value of the key.
If more than one key with the same name exists, then get the value of the first key. Notice that the IgnoreCase property (true by default) determines whether the key name will be matched in a case-sensitive manner.
Applies to
JSONPackage object
Syntax
objectname.GetValueBlob ( Key )
|
Argument |
Description |
|---|---|
|
objectname |
The name of the JSONPackage object |
|
Key |
A string specifying the key of the item of JsonStringItem type. If more than one key with the same name already exists, the value of the first key will be obtained. |
Return value
Blob. Returns the key value if it succeeds. If any argument's value is null, the method returns null. If an error occurs, throw the exception.
Examples
This example obtains the picture path (a blob value) from the JSON string.
// Blob GetValueBlob (string Key)
String ls_PicturePath
JsonPackage ljpk_User
ljpk_User = Create JsonPackage
// Loads the JSON string to the JSONPackage object
ljpk_User.loadstring ( '{"id":100, "name":"Henry.Ken", "birthday":"1998-01-01", "picturepath":"QTpcV29ya0RvY3VtZW50XFVwZ3JhZGVc5Zu+54mHXGF1dG9ydW4uQk1Q" }')
// Gets the key value: A:\WorkDocument\Upgrade\images\autorun.BMP
ls_PicturePath = String(ljpk_User.GetValueBlob("picturepath"),EncodingUTF8!)
See also
