如何使用iPhone sdk傳遞XML字符串到JSON

Question

我正在實施基於客戶端的應用程序。在那我有一個XML字符串。我需要將其轉換爲JSON格式併發送到服務器。我不知道如何轉換。你們可以給我建議任何文件或想法嗎？

在此先感謝， 錢德拉。

Answer 1

第1步：讀取XML到的NSDictionary：http://troybrant.net/blog/2010/09/simple-xml-to-nsdictionary-converter/

第2步：轉換的NSDictionary成JSON：http://code.google.com/p/json-framework/

Answer 2

正如史蒂夫說，兩個步驟是那些，我離開你的一些代碼，也許可以幫助你多一點：

// Don't forget the imports ;) 
#import "XMLReader.h" 

// You must have a XML string from somewhere 
NSString XMLString = yourXML; 
// I remove all returns and tabs from the text, after i would be annoying if you don't remove it 
XMLString = [XMLString stringByReplacingOccurrencesOfString:@"\r" withString:@""]; 
XMLString = [XMLString stringByReplacingOccurrencesOfString:@"\t" withString:@""]; 

// Parse the XML into a dictionary 
NSError *parseError = nil; 
NSDictionary *xmlDictionary = [XMLReader dictionaryForXMLString:XMLString error:&parseError]; 

NSError *error; 
self.dataParsed = [NSJSONSerialization dataWithJSONObject:xmlDictionary 
                options: NSJSONWritingPrettyPrinted // Pass 0 if you don't care about the readability of the generated string 
                error:&error]; 

// Print the dictionary 
NSLog(@"%@", xmlDictionary);