1、获取文字内容
///获取HTML标签中的信息
+ (NSString *)filterHTML:(NSString *)html{
NSDictionary *dic = @{NSDocumentTypeDocumentAttribute:NSHTMLTextDocumentType};
NSData *data = [html dataUsingEncoding:NSUnicodeStringEncoding];
NSAttributedString *attriStr = [[NSAttributedString alloc] initWithData:data options:dic documentAttributes:nil error:nil];
NSString *str = attriStr.string;
//str = [str stringByReplacingOccurrencesOfString:@"\n" withString:@" "];
return str;
}
有时候为了获取一部分当做摘要,需要对空格等处理,需要
//去掉前后的空格
NSString *historyStr = @" 212 ";
historyStr = [historyStr stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];