我一直在尝试在我的 TextView 中格式化一个字符串,但我无法解决。我对 xcode 很陌生。
我在这个文件中遗漏了什么吗?我一直在查看堆栈,这就是您的操作方式..但它不起作用。
- (NSString *)stripTags:(NSString *)str
{
NSMutableString *html = [NSMutableString stringWithCapacity:[str length]];
NSScanner *scanner = [NSScanner scannerWithString:str];
scanner.charactersToBeSkipped = NULL;
NSString *tempText = nil;
while (![scanner isAtEnd])
{
[scanner scanUpToString:@"<" intoString:&tempText];
if (tempText != nil)
[html appendString:tempText];
[scanner scanUpToString:@">" intoString:NULL];
if (![scanner isAtEnd])
[scanner setScanLocation:[scanner scanLocation] + 1];
tempText = nil;
}
return html;
}
- (void)viewDidLoad
{
[super viewDidLoad];
NSString *str = newsArticle;
descTextView.text = [NSString stringWithString:str];
// Do any additional setup after loading the view from its nib.
}
最佳答案
此代码是此处发布的类似问题的答案的修改版本 https://stackoverflow.com/a/4886998/283412 .这将获取您的 HTML 字符串并去除格式。
-(void)myMethod
{
NSString* htmlStr = @"<some>html</string>";
NSString* strWithoutFormatting = [self stringByStrippingHTML:htmlStr];
}
-(NSString *)stringByStrippingHTML:(NSString*)str
{
NSRange r;
while ((r = [str rangeOfString:@"<[^>]+>" options:NSRegularExpressionSearch]).location != NSNotFound)
{
str = [str stringByReplacingCharactersInRange:r withString:@""];
}
return str;
}
关于iphone - 从字符串中删除 Html 格式,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/14756391/