letsearchword:String="柴油0#"
/// encodeURIComponent編碼方式,會(huì)對(duì)特殊符號(hào)編碼
///方法一
//let toSearchword = searchword.stringByAddingPercentEncodingWithAllowedCharacters(NSCharacterSet.URLQueryAllowedCharacterSet())!
///方法二
//let toSearchword = CFURLCreateStringByAddingPercentEscapes(nil, searchword, "!*'();:@&=+$,/?%#[]", nil, CFStringBuiltInEncodings.UTF8.rawValue)
/// encodeURI編碼,不會(huì)對(duì)特殊符號(hào)編碼
lettoSearchword =CFURLCreateStringByAddingPercentEscapes(nil, searchword,nil,"!*'();:@&=+$,/?%#[]",CFStringBuiltInEncodings.UTF8.rawValue)
print(toSearchword)
具體測(cè)試網(wǎng)址:http://www.bejson.com/enc/urlencode/