KissXML沒有返回字符串

Question

我有一個示例XML這樣的：

<rss version="2.0"> 
<channel> 
    <title></title> 
    <link></link> 
    <description></description> 
<item> 
    <title></title> 
    <link></link> 
    <description></description> 
    <pubDate></pubDate> 
    <guid></guid> 
</item> 

等等......而我的OBJ-C語法看起來像這樣：

NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error]; 

DDXMLDocument *ddDoc = [[DDXMLDocument alloc] initWithData:data options:0 error:&error]; 

NSArray *xmlItems = [ddDoc nodesForXPath:@"//item" error:&error]; // where ddDoc is your DDXMLDocument 
NSMutableArray *returnArray = [[NSMutableArray alloc] initWithCapacity:[xmlItems count]]; 

for(DDXMLElement* itemElement in xmlItems) 
{ 
    ActiveActivity *activity = [[ActiveActivity alloc] init]; 

    NSString *itemValueAsString = [[itemElement attributeForName:@"link"]stringValue]; 


    [returnArray addObject:activity]; 
} 

它沒有返回值，可以有人說我爲什麼？

Answer 1

的問題是在這條線：

NSString *itemValueAsString = [[itemElement attributeForName:@"link"]stringValue]; 

link不是屬性，而是一個元件。所以，試試這個：

NSString *itemValueAsString = [[[itemElement elementsForName:@"link"] lastObject] stringValue]; 

Answer 2

NSArray *xmlItems = [[ddDoc rootElement] elementsForName:@"item"]; 

Answer 3

對於斯威夫特3，

let object: DDXMLElement = element.elements(forName: "objectKey").first! 
yourModelClass.stringVariable = object.stringValue!