iPhone/iOS JSON 解析教程
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iPhone/iOS JSON parsing tutorial
提问by Casey Flynn
As a learning experience, I want to make an iPhone application that calls a webserver/webservice, retrieves a JSON response, and uses that response to populate the rows of a UITableView(assuming it converts the JSON into an NSArrayfirst).
作为学习经验，我想制作一个 iPhone 应用程序，它调用一个网络服务器/网络服务，检索一个 JSON 响应，并使用该响应来填充 a 的行UITableView（假设它将 JSON 转换为NSArray第一个）。
Anyone know of anything that might be useful?
任何人都知道任何可能有用的东西？
回答by Todd Hopkinson
回答by darrinm
As of iOS 5.0 Apple provides the NSJSONSerialization class"to convert JSON to Foundation objects and convert Foundation objects to JSON". No external frameworks to incorporate and according to benchmarksits performance is quite good, significantly better than SBJSON.
从 iOS 5.0 开始，Apple 提供了NSJSONSerialization 类“将 JSON 转换为 Foundation 对象并将 Foundation 对象转换为 JSON”。没有可合并的外部框架，根据基准测试，它的性能非常好，明显优于 SBJSON。
回答by chandrika
SBJSON *parser = [[SBJSON alloc] init];
NSString *url_str=[NSString stringWithFormat:@"Example APi Here"];
url_str = [url_str stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSURLRequest *request =[NSURLRequest requestWithURL:[NSURL URLWithString:url_str]];
NSData *response = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
NSString *json_string = [[NSString alloc] initWithData:response1 encoding:NSUTF8StringEncoding]
NSDictionary *statuses = [parser2 objectWithString:json_string error:nil];
NSArray *news_array=[[statuses3 objectForKey:@"sold_list"] valueForKey:@"list"];
for(NSDictionary *news in news_array)
{
@try {
[title_arr addObject:[news valueForKey:@"gtitle"]]; //values Add to title array
}
@catch (NSException *exception) {
[title_arr addObject:[NSString stringWithFormat:@""]];
}
回答by cloudsurfin
This is the tutorial I used to get to darrinm's answer. It's updated for ios5/6 and really easy. When I'm popular enough I'll delete this and add it as a comment to his answer.
这是我用来获得 darrinm 答案的教程。它已针对 ios5/6 进行了更新，非常简单。当我足够受欢迎时，我会删除它并将其作为评论添加到他的答案中。
http://www.raywenderlich.com/5492/working-with-json-in-ios-5
http://www.raywenderlich.com/5492/working-with-json-in-ios-5
http://www.touch-code-magazine.com/tutorial-fetch-and-parse-json-in-ios6/
http://www.touch-code-magazine.com/tutorial-fetch-and-parse-json-in-ios6/
回答by Hiren
回答by Mike Gledhill
Here's a link to my tutorial, which walks you through :
这是我的教程的链接，它将引导您完成：
- creating a JSON WCF Web Service from scratch (and the problems you'll want to avoid)
- adapting it to read/write SQL Serverdata
- getting an iOS 6 app to use the JSON servies.
- using the JSON web services with JavaScript
- 从头开始创建 JSON WCF Web 服务（以及您希望避免的问题）
- 使其适应读/写SQL Server数据
- 获取 iOS 6 应用程序以使用 JSON 服务。
- 将 JSON Web 服务与 JavaScript 结合使用
http://mikesknowledgebase.com/pages/Services/WebServices-Page1.htm
http://mikesknowledgebase.com/pages/Services/WebServices-Page1.htm
All source code is provided, free of charge. Enjoy.
免费提供所有源代码。享受。
