3
我想获取NSXMLParser didStartElement中的attributeDict。我的问题是我在调用attributeDict时发生错误(无法找到接受提供参数的'subscript'的重载)。我是否称这个方法正确?我想调用所有的符号键,然后将它添加到数组中。NSXMLParser didStartElement获取属性代码问题
func parser(parser: NSXMLParser!, didStartElement elementName: String!, namespaceURI: String!, qualifiedName qName: String!, attributes attributeDict: [NSObject : AnyObject]!)
{
element = elementName
if (elementName as NSString).isEqualToString("p")
{
println("Element's attributes are \(attributeDict)")
//Result
//Element's attributes are [bid: 1.16301, offer: 1.16321, symbol: EUR/USD]
elements = NSMutableDictionary.alloc()
elements = [:]
title1 = NSMutableString.alloc()
title1 = ""
title1 = String(attributeDict["symbol"]) //Error
}
}
首先检查你是否得到可变的字典?比找到该字典中的关键“符号”。比定义title1 = attributeDict [“symbol”]!作为NSMutableString –