浣滀笟1涓?br />checknumber瑕佹眰鍗曚釜"-","+","."榪斿洖閿欒
鏈鍚庝負(fù)"."鏃惰繑鍥為敊璇?br />聽(tīng) if ((str[str.Length - 1] == '.') || (str[str.Length - 1] == '-') || (str[str.Length - 1] == '+'))
聽(tīng)聽(tīng){
聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)return false;
聽(tīng)聽(tīng)聽(tīng)}
鎴戣寰楄繖孌典唬鐮佸彲浠ュ疄鐜頒互涓?涓姛