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                # QScriptString Class Reference ## [[QtScript](index.htm) module] 該QScriptString類充當手柄來“實習”的字符串中[QScriptEngine](qscriptengine.html)。[More...](#details) ### Methods * `__init__ (self)` * `__init__ (self, QScriptString?other)` * `bool isValid (self)` * `(int, bool?ok) toArrayIndex (self)` * `QString toString (self)` ### Special Methods * `bool __eq__ (self, QScriptString?other)` * `int __hash__ (self)` * `bool __ne__ (self, QScriptString?other)` * * * ## Detailed Description 該QScriptString類充當手柄來“實習”的字符串中[QScriptEngine](qscriptengine.html)。 QScriptString可以用來實現更快的(重復)屬性獲取/設置和屬性名稱的比較,腳本對象。 為了得到一個字符串的QScriptString表示,將字符串傳遞給[QScriptEngine.toStringHandle](qscriptengine.html#toStringHandle)( ) 。典型的使用模式是注冊一個或多個預先定義的字符串設置你的腳本環境中時,隨后使用相關QScriptString作為參數,例如[QScriptValue.property](qscriptvalue.html#property)( ) 。 調用[toString](qscriptstring.html#toString)( )函數來獲得一個QScriptString表示字符串。 調用[toArrayIndex](qscriptstring.html#toArrayIndex)( )函數將QScriptString轉換為數組索引。使用時,這是有用的[QScriptClass](qscriptclass.html)實現類似數組的對象。 * * * ## Method Documentation ``` QScriptString.__init__ (self) ``` 構造一個無效的[QScriptString](qscriptstring.html)。 ``` QScriptString.__init__ (self, QScriptString?other) ``` 構造一個新的[QScriptString](qscriptstring.html)即副本_other_。 ``` bool QScriptString.isValid (self) ``` 返回True如果[QScriptString](qscriptstring.html)是有效的,否則返回False 。 ``` (int, bool?ok) QScriptString.toArrayIndex (self) ``` 嘗試將它轉換[QScriptString](qscriptstring.html)到[QtScript](index.htm)數組的索引,并返回結果。 如果發生轉換錯誤, *_ok_設置為False ,否則*_ok_設置為True 。 此功能被引入Qt的4.6 。 ``` QString QScriptString.toString (self) ``` 返回字符串,此[QScriptString](qscriptstring.html)代表,或一個空字符串,如果這[QScriptString](qscriptstring.html)是無效的。 **See also** [isValid](qscriptstring.html#isValid)( ) 。 ``` bool QScriptString.__eq__ (self, QScriptString?other) ``` ``` int QScriptString.__hash__ (self) ``` ``` bool QScriptString.__ne__ (self, QScriptString?other) ```
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