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我對objective-c很新,但對於普通C很好,我正在研究iPhone的開發。現在我所有在學校評分系統中的節點都是零,我知道他們在正確的xPath,因爲//table[@class='grid']/tbody/tr[4]/td[16]
在Firefox xPath檢查器插件中正確顯示。我知道我從網頁收到的NSData是正確的,因爲我對它進行了註冊。但仍然由於某種原因,我仍然沒有節點。Hpple-所有節點都是零
Course2 *fillCourse(int row){
NSURL *CUrl = [NSURL URLWithString:@"MY SCHOOL SITE HERE"];
NSData *CHtmlData = [NSData dataWithContentsOfURL:CUrl];
TFHpple *StuffParser = [TFHpple hppleWithHTMLData:CHtmlData];
NSString *XpathQ = @"//table[@class='grid']/tbody/tr[5]/td[16]/a";
NSArray *tutorialsNodes = [StuffParser searchWithXPathQuery:XpathQ];
/*
for(TFHppleElement *string in tutorialsNodes){
NSLog(@"%@",[element content]);
}
*/
NSString *XpathQ2 = @"//table[@class='grid']/tbody/tr[5]/td[16]/a";
NSArray *tutorialsNodes2 = [StuffParser searchWithXPathQuery:XpathQ2];
Course2 *COUR = [[Course2 alloc] init];
// NSMutableArray *newTutorials = [[NSMutableArray alloc] initWithCapacity:0];
for (TFHppleElement *element in tutorialsNodes) {
COUR.grade = [element content];
COUR.teacherPage = [NSURL URLWithString:[element objectForKey:@"href"]];
}
for (TFHppleElement *element2 in tutorialsNodes2) {
COUR.Class = [[element2 firstChild] content];
}
return COUR;
}