在某些場(chǎng)景會(huì)遇到需要將網(wǎng)頁文本解析為字符串并保留格式的問題，下面列舉OC/swift的解析方法

OC

缺少P標(biāo)簽的解析,參考swift

-(NSString*)html5CodeToString {

? ? NSString *str = [self stringByReplacingOccurrencesOfString:@"&lt;" withString:@"<"];

? ? str = [strstringByReplacingOccurrencesOfString:@"&gt;" withString:@">"];

? ? str = [strstringByReplacingOccurrencesOfString:@"&amp;" withString:@"&"];

? ? str = [strstringByReplacingOccurrencesOfString:@"&quot;" withString:@"“"];

? ? str = [strstringByReplacingOccurrencesOfString:@"&reg;" withString:@"?"];

? ? str = [strstringByReplacingOccurrencesOfString:@"&copy;" withString:@"?"];

? ? str = [strstringByReplacingOccurrencesOfString:@"&trade;" withString:@"?"];

? ? str = [strstringByReplacingOccurrencesOfString:@"&ensp;" withString:@" "];

? ? str = [strstringByReplacingOccurrencesOfString:@"&emsp;" withString:@" "];

? ? str = [strstringByReplacingOccurrencesOfString:@"&nbsp;" withString:@" "];

? ? returnstr;

}

swift

extension String {

? ? funchtml5CodeToString() ->String{

? ? ? ? varstr =self.replacingOccurrences(of:"&lt;", with:"<")

? ? ? ? str = str.replacingOccurrences(of:"&gt;", with:">")

? ? ? ? str = str.replacingOccurrences(of:"&amp;", with:"&")

? ? ? ? str = str.replacingOccurrences(of:"&quot;", with:"“<”")

? ? ? ? str = str.replacingOccurrences(of:"&reg", with:"?")

? ? ? ? str = str.replacingOccurrences(of:"&copy;", with:"?")

? ? ? ? str = str.replacingOccurrences(of:"&trade;", with:"?")

? ? ? ? str = str.replacingOccurrences(of:"&ensp;", with:" ")

? ? ? ? str = str.replacingOccurrences(of:"&emsp;", with:" ")

? ? ? ? str = str.replacingOccurrences(of:"&nbsp;", with:" ")

? ? ? ? str = str.replacingOccurrences(of:"<p>", with:"")

? ? ? ? str = str.replacingOccurrences(of:"</p>", with:"\n")

? ? ? ? returnstr

? ? }

}