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                # QDeclarativeScriptString Class Reference ## [[QtDeclarative](index.htm) module] 該QDeclarativeScriptString類封裝了一個腳本,它的上下文。[More...](#details) ### Methods * `__init__ (self)` * `__init__ (self, QDeclarativeScriptString)` * `QDeclarativeContext context (self)` * `QObject scopeObject (self)` * `QString script (self)` * `setContext (self, QDeclarativeContext)` * `setScopeObject (self, QObject)` * `setScript (self, QString)` * * * ## Detailed Description 該QDeclarativeScriptString類封裝了一個腳本,它的上下文。 QDeclarativeScriptString被用來創建[QObject](qobject.html)接受從QML腳本“轉讓”的屬性。 通常,下面的QML會導致約束正在建立的`script`財產;即`script`將被分配從運行而獲得的值`myObj.value = Math.max(myValue, 100)` ``` MyType { script: myObj.value = Math.max(myValue, 100) } ``` 相反,如果該屬性有一個類型QDeclarativeScriptString ,腳本本身的 - _myObj.value = Math.max(myValue, 100)_ - 將被傳遞給`script`屬性和類可以選擇如何處理它。通常情況下,該類將使用一段時間以后評估腳本[QDeclarativeExpression](qdeclarativeexpression.html)。 ``` [QDeclarativeExpression](qdeclarativeexpression.html) expr(scriptString.context(), scriptString.script(), scriptStr.scopeObject()); expr.value(); ``` * * * ## Method Documentation ``` QDeclarativeScriptString.__init__ (self) ``` 構造一個空實例。 ``` QDeclarativeScriptString.__init__ (self, QDeclarativeScriptString) ``` Copies _other_。 ``` QDeclarativeContext QDeclarativeScriptString.context (self) ``` [ 返回上下文的腳本。 ](qdeclarativecontext.html) [**See also**](qdeclarativecontext.html) [setContext](qdeclarativescriptstring.html#setContext)( ) 。 ``` QObject QDeclarativeScriptString.scopeObject (self) ``` [ 返回的范圍對象的腳本。 ](qobject.html) [**See also**](qobject.html) [setScopeObject](qdeclarativescriptstring.html#setScopeObject)( ) 。 ``` QString QDeclarativeScriptString.script (self) ``` 返回腳本文本。 **See also** [setScript](qdeclarativescriptstring.html#setScript)( ) 。 ``` QDeclarativeScriptString.setContext (self, QDeclarativeContext) ``` 設置_context_為腳本。 **See also** [context](qdeclarativescriptstring.html#context)( ) 。 ``` QDeclarativeScriptString.setScopeObject (self, QObject) ``` 設定范圍_object_為腳本。 **See also** [scopeObject](qdeclarativescriptstring.html#scopeObject)( ) 。 ``` QDeclarativeScriptString.setScript (self, QString) ``` 設置_script_文本。 **See also** [script](qdeclarativescriptstring.html#script)( ) 。
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