华南理工大学方正教务系统ios端爬虫demo.zip

# Ono (斧) **A sensible way to deal with XML & HTML for iOS & Mac OS X** XML support in Cocoa isn't great (unless, of course, the XML in question is a `.plist`). `NSXMLParser` forces a cumbersome delegate model, which is extremely inconvenient to implement. `NSXMLDocument` is a bit nicer to use, but only works on Mac OS X, and has a large memory footprint. **Ono makes working with XML & HTML as nice as JSON.** Whether your app needs to interface with a XML-RPC webservice, scrape a website, or parse an RSS feed, Ono will make your day a whole lot less terrible. > Ono (斧) means "axe", in homage to [Nokogiri](http://nokogiri.org) (鋸), which means "saw". > Using [AFNetworking](https://github.com/AFNetworking/AFNetworking)? Easily integrate Ono into your networking stack with [AFOnoResponseSerializer](https://github.com/AFNetworking/AFOnoResponseSerializer). ## Features - Simple, modern API following standard Objective-C conventions, including extensive use of blocks and `NSFastEnumeration` - Extremely performant document parsing and traversal, powered by `libxml2` - Support for both [XPath](http://en.wikipedia.org/wiki/XPath) and [CSS](http://en.wikipedia.org/wiki/Cascading_Style_Sheets) queries - Automatic conversion of date and number values - Correct, common-sense handling of XML namespaces for elements and attributes - Ability to load HTML and XML documents from either `NSString` or `NSData` - Full documentation - Comprehensive test suite ## Installation [CocoaPods](http://cocoapods.org) is the recommended method of installing Ono. Simply add the following line to your `Podfile`: #### Podfile ```ruby pod 'Ono' ``` ## Usage ```objective-c #import "Ono.h" NSData *data = ...; NSError *error; ONOXMLDocument *document = [ONOXMLDocument XMLDocumentWithData:data error:&error]; for (ONOXMLElement *element in document.rootElement.children) { NSLog(@"%@: %@", element.tag, element.attributes); } // Support for Namespaces NSString *author = [[document.rootElement firstChildWithTag:@"creator" inNamespace:@"dc"] stringValue]; // Automatic Conversion for Number & Date Values NSDate *date = [[document.rootElement firstChildWithTag:@"created_at"] dateValue]; // ISO 8601 Timestamp NSInteger numberOfWords = [[[document.rootElement firstChildWithTag:@"word_count"] numberValue] integerValue]; BOOL isPublished = [[[document.rootElement firstChildWithTag:@"is_published"] numberValue] boolValue]; // Convenient Accessors for Attributes NSString *unit = [document.rootElement firstChildWithTag:@"Length"][@"unit"]; NSDictionary *authorAttributes = [[document.rootElement firstChildWithTag:@"author"] attributes]; // Support for XPath & CSS Queries [document enumerateElementsWithXPath:@"//Content" usingBlock:^(ONOXMLElement *element, NSUInteger idx, BOOL *stop) { NSLog(@"%@", element); }]; ``` ## Demo Build and run the example project in Xcode to see `Ono` in action. ## Requirements Ono is compatible with iOS 5 and higher, as well as Mac OS X 10.7 and higher. It requires the `libxml2` library, which is included automatically when installed with CocoaPods, or can be added manually by adding "libxml2.dylib" to the target's "Link Binary With Libraries" build phase. ### Contact [Mattt Thompson](http://github.com/mattt) [@mattt](https://twitter.com/mattt) ## License Ono is available under the MIT license. See the LICENSE file for more info.