1. 基本的打印:
print(amp;quot;这是学习 swift 的第一课amp;quot;)
var varA = 1
print(amp;quot;a 的值是 \(varA)amp;quot;)
//注:字符串打印参数时,参数是这样的 \(参数)
2. var 变量 , let 常量 ...……
出现的警告:
The `ColorInHeartUITests ` target overrides the `ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES` build setting defined in `Pods/Target Support Files/Pods-ColorInHeart-ColorInHeartUITests/Pod ...……
Qamp;amp;amp;AApple’s Craig Federighi talks open source Swift, Objective-C and the next 20 years of development
html, body { overflow-x: initial !important }
html { font-size: 14px }
body { margin: 0 ...……