iOS XML 解析(原生的)
2015-12-31 16:36 甘雨路 阅读(320) 评论(0) 编辑 收藏 举报#import <UIKit/UIKit.h> @interface AppDelegate : UIResponder <UIApplicationDelegate> @property (strong, nonatomic) UIWindow *window; @end
#import "AppDelegate.h" #import "RootViewController.h" @interface AppDelegate () @end @implementation AppDelegate - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; // Override point for customization after application launch. self.window.backgroundColor = [UIColor whiteColor]; self.window.rootViewController = [[RootViewController alloc] init]; [self.window makeKeyAndVisible]; return YES; } @end
#import <UIKit/UIKit.h> @interface RootViewController : UIViewController @end
#import "RootViewController.h" #import "NoteXMLParser.h" @interface RootViewController () @end @implementation RootViewController - (void)viewDidLoad { [super viewDidLoad]; NoteXMLParser *parser = [[NoteXMLParser alloc] init]; [parser start]; } @end
#import <Foundation/Foundation.h> @interface NoteXMLParser : NSObject<NSXMLParserDelegate> @property (strong, nonatomic) NSMutableArray *notes; /** * 当前标签的名字,currentTagName 用于存储正在解析的元素名 */ @property (strong, nonatomic) NSString *currentTagName; /** * 开始解析 */ - (void)start; @end
#import "NoteXMLParser.h" @implementation NoteXMLParser // 开始解析 - (void)start{ NSString *path = [[NSBundle mainBundle] pathForResource:@"some" ofType:@"xml"]; NSURL *url = [NSURL fileURLWithPath:path]; // 开始解析xml NSXMLParser *parser = [[NSXMLParser alloc] initWithContentsOfURL:url]; parser.delegate = self; [parser parse]; } /** * 解析到文档的开头时会调用 */ - (void)parserDidStartDocument:(NSXMLParser *)parser{ _notes = [[NSMutableArray alloc] init]; } /** * 解析到一个元素的开始就会调用 * * @param elementName 元素名字 * @param attributeDict 属性字典 */ - (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary<NSString *,NSString *> *)attributeDict{ /* 一般情况,如果数据是这种格式,把内容放到属性中 <CrReportByHour Hour=@"10" Caption=@"10-12" CrChannel=@"0.8" CrRegion=@"0.6" CrArea=@"0.7"/> 系统会自动把以上内容转为字典存放到attributeDict这个字典中 可以用KVC通过字典给模型直接复制(字典中的key必须都能在模型中找到) */ _currentTagName = elementName; NSLog(@"====elementName: %@~~~namespaceURI:%@~~~attributeDict=%@---qName=%@",elementName,namespaceURI,attributeDict,qName); } // 遇到字符串时触发 - (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string{ //替换回车符 和空格,其中 stringByTrimmingCharactersInSet 是剔除字符的方法,[NSCharacterSet whitespaceAndNewlineCharacterSet]指定字符集为换行符和回车符; string = [string stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]]; if ([_currentTagName isEqualToString:@"Hour"]) { NSLog(@"*************string:%@",string); } } /** * 解析到一个元素的结束就会调用 * @param elementName 元素名字 */ - (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName{ NSLog(@"结束的元素名称:%@",elementName); } /** * 解析到文档的结尾时会调用(解析结束) */ - (void)parserDidEndDocument:(NSXMLParser *)parser{ NSLog(@"结束解析"); } //文档出错时触发 - (void)parser:(NSXMLParser *)parser parseErrorOccurred:(NSError *)parseError{ NSLog(@"解析出错"); } @end