1
0
2
629
1.字符串中直接插值 let strNum = 3 let message = "\(strNum) times 2.5 is \(Double...
一、整形裝換成兩個(gè)字節(jié) intvalue =456; unsignedcharbyte1 = (value &0xff00)>>8;//高8位 ...
發(fā)簡(jiǎn)信