//dom属性值解析
//在类文件里
//自定义初始化方法在该方法中开始准备解析
- (id)initWithData:(NSData*)data {
if(self = [super init]) {
//dom属性值解析
NSXMLParser *parser = [[NSXMLParser alloc] initWithData:data];
parser.delegate = self;
[parser parse];
}
return self;
}
#pragma mark --- NSXMLParserDelegate
//开始解析
- (void)parserDidStartDocument:(NSXMLParser *)parser {
NSLog(@"---开始解析----");
_userArr= [[NSMutableArray alloc] init];
}
//开始标签
- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict{
NSLog(@"开始标签---- %@",elementName);
NSLog(@"attributeDict ------%@",attributeDict);
if([elementName isEqualToString:@"friend"]) {
User *user = [[User alloc] init];
user.name= [attributeDict objectForKey:@"name"];
user.pwd= [attributeDict objectForKey:@"pwd"];
user.tureName= [attributeDict objectForKey:@"tureName"];
user.age= [attributeDict objectForKey:@"age"];
[_userArr addObject:user];
}
}
//请求数据和接收解析后的数据
- (void)viewDidLoad {
[super viewDidLoad];
NSURL* urL = [NSURL URLWithString:@"http://localhost:8080/Login1/NewServlet"];
NSMutableURLRequest * postRequest = [[NSMutableURLRequest alloc] initWithURL:urL];
[postRequest setHTTPMethod:@"POST"];
[postRequest setHTTPBody:[@"command=4" dataUsingEncoding:NSUTF8StringEncoding]];
[NSURLConnection sendAsynchronousRequest:postRequest queue:[[NSOperationQueue alloc] init] completionHandler:^(NSURLResponse *_Nullableresponse,NSData *_Nullabledata,NSError *_NullableconnectionError) {
NSString * str = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
NSLog(@"data ---- %@",str);
FriendsClass * friend = [[FriendsClass alloc] initWithData:data];
for(User* user in friend.userArr) {
NSLog(@" ------ %@",user.name);
}
}];
}