如何使用iPhone sdk将XML字符串转换为JSON

Question

我正在实施基于客户端的应用程序。我有一个xml字符串。我需要将其转换为JSON格式并发送到服务器。我不知道转换它。你能告诉我任何文件或想法吗？

Answer 1

步骤1：将XML读入NSDictionary：http://troybrant.net/blog/2010/09/simple-xml-to-nsdictionary-converter/

步骤2：将NSDictionary转换为JSON：http://code.google.com/p/json-framework/

Answer 2

正如史蒂夫所说的那两个步骤，我给你留下了一些代码，也许可以帮助你更多：

// 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);