类说明

        CAPickerView的数据代理

CAPickerViewDataSource 方法（点击查看方法介绍）

CAPickerViewDataSource 方法说明

virtual unsigned int numberOfComponentsInPickerView(CAPickerView* pickerView) = 0

返回值：unsigned int

参数：

类型 参数名 说明

CAPickerView* pickerView 当前pickerView

解释：设定component的数量

virtual unsigned int numberOfRowsInComponent(CAPickerView* pickerView, unsigned int component) = 0

返回值：unsigned int

参数：

解释：设定component中row的数量

virtual float widthForComponent(CAPickerView* pickerView, unsigned int component) {return 0;}

返回值：float

参数：

解释：设定component的宽

virtual float rowHeightForComponent(CAPickerView* pickerView, unsigned int component) {return 0;}

返回值：float

参数：

解释：设定row的高

virtual CCString* titleForRow(CAPickerView* pickerView, unsigned int row, unsigned int component) {return NULL;}

返回值：CCString*

参数：

解释：设定row的显示内容

virtual CAView* viewForRow(CAPickerView* pickerView, unsigned int row, unsigned int component) {return NULL;}

返回值：CAView*

参数：

解释：设定row的显示内容

virtual CAView* viewForSelect(CAPickerView* pickerView, unsigned int component, const CCSize& size) {return NULL;}

返回值：CAView*

参数：

解释：设定选中row的view