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blockly >FieldImage >doValueUpdate_
FieldImage.doValueUpdate_() 方法
更新此图片字段的值,并更新显示的图片。
Signature:
protected doValueUpdate_(newValue: string): void;
参数
参数 |
类型 |
说明 |
newValue |
字符串 |
要保存的值。默认验证程序可保证这是一个字符串。 |
返回:
void
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最后更新时间 (UTC):2024-09-12。
[null,null,["最后更新时间 (UTC):2024-09-12。"],[[["The `doValueUpdate_` method updates the value of an image field and refreshes the displayed image accordingly."],["It takes a single argument, `newValue`, which represents the new value for the image field and should be a string."],["This method is used internally by Blockly and is marked as protected."]]],["The `doValueUpdate_` method, part of the `FieldImage` class, updates an image field's value and the displayed image. It accepts a string `newValue` as a parameter, which represents the new value to be saved. The method's default validator ensures the `newValue` is a string. The method's return type is void, meaning it does not return a value after updating.\n"]]