在AFN中使用NSXMLParser解析服务器返回的XML数据

  8 
  9 #import "RecommendController.h"
 11 #import "SPHTTPRequestTool.h"
 13 #import "UIImageView+WebCache.h"
 14 @interface RecommendController ()<NSXMLParserDelegate>
 15 
 16 @property (nonatomic, strong)NSMutableArray *items;
 17 
 18 @property (nonatomic, strong)NSMutableDictionary *itemDict;
 19 
 20 @property (nonatomic, strong)NSMutableArray *itemArray;
 21 
 22 @property (nonatomic, copy)NSString *itemName;  // 记录标签名
 23 
 24 @end
 25 
 26 @implementation RecommendController
 37 - (void)viewDidLoad
 38 {
 39     [super viewDidLoad];
 46     [self loadNewRecommend];
 47     self.tableView.delegate = self;
 48     self.tableView.dataSource = self;
 49 }
 50 
 51 - (void)loadNewRecommend
 52 {
 53 
 54     NSDictionary *dict = [NSDictionary dictionary];
 55     [SPHTTPRequestTool GET:@"http://jackgo.cn/jackgo/lab/v1.3/getitems.php?refresh=1&&earliest=(null)" params:dict success:^(NSXMLParser *parser) {
 56         // 2.设置代理
 57         parser.delegate = self;
 58         
 59         // 3.开始解析
 60         [parser parse]; // 卡住(解析完毕才会返回)
 61        
 62         [self.tableView reloadData];
 63     } failure:^(NSError *error) {
 64         SPLog(@"%@",error);
 65     }];
 66     
 67 }
 68 
 69 - (void)parserDidStartDocument:(NSXMLParser *)parser
 70 {
 71     SPLog(@"parser = %@", parser);
 72 }
 73 
 74 
 75 /**
 76  *  解析到一个元素的开头时调用 <items>
 77  */
 78 - (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict
 79 {
 80     
 81     if ([@"items" isEqualToString:elementName]) { // 解析到一个items标签
 82         self.items = [NSMutableArray array];
 83     } else if ([@"item" isEqualToString:elementName]) { // 解析到一个item标签, 创建一个模型
 84        
 85         if (self.itemDict != nil && self.itemArray != nil) {
 86             [self.itemArray addObject:self.itemDict];
 87             [self.items addObject:self.itemArray];
 88             SPLog(@"%@", self.itemDict);
 89         }
 90         
 93         self.itemArray = [NSMutableArray array];
 94         self.itemDict = [NSMutableDictionary dictionary];
 95     }else
 96         self.itemName = elementName;
 97 }
 98 - (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string
 99 {
100     if([string isEqualToString:@"\n"] || [string isEqualToString:@" "] || [string isEqualToString:@"\n\n"]) return;
105     self.itemDict[self.itemName] = string;
106     
107 }
123 - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
124 {
125 #warning Potentially incomplete method implementation.
126   
127     return 1;
128 }
129 
130 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
131 {135     return self.items.count;
136 }
137 
138 
139 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
140 {
142     UITableViewCell *cell = [[UITableViewCell alloc] init];
147     NSArray *array = self.items[indexPath.row];
148     NSDictionary *dict = [array lastObject];
149     cell.textLabel.text = dict[@"intro"];
150     cell.textLabel.numberOfLines = 0;
151     [cell.imageView setImageWithURL:dict[@"picurl"] placeholderImage:[UIImage imageNamed:@"error"]];
152 /
153     return cell;
154 }
155 
156 - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
157 {
158     return 70;
159 }
210 
211 @end