【移動(dòng)應(yīng)用開發(fā)技術(shù)】ios基礎(chǔ)UI

Let常量Var變量.dynamicType類型Print(a,b,terminator:”;”)結(jié)尾符為;，默認(rèn)是換行Sizeof(Type)類型.min類型.max獲取到類型最大和最小的值字符串插值\（…可以進(jìn)行操作，作為整體）Varstr=“123”Str.startIndex->0Str.endIndex->2字符串長度使用String.characters.count屬性來計(jì)算VaroneArrar=Array<Int>()VaroneArrar=[Int]()VaroneArrar=Int->[0,0,0]VaroneArray=[0,0,0]VaroneArray=twoArray+threeArray訪問oneArray[0]添加oneArray.append(40)oneArray+=[50,60]oneArray.insert(70,atIndex:0)在任意有效索引前面添加oneArray.removeAtIndex(0)刪除索引上的值無序集set：存儲(chǔ)相同類型的無序、不重復(fù)，元素必須是hashcode有自身的hashValueletmyset=Set<String>()letmyset=Set<String>([“1”,”2”,”3”])letmyset=Set([“1”,”2”,”3”])->{“1”,”2”,”3”}letmyset=Set([“1”,”2”,”1”])->{“1”,”2”}myset.insert(“sfdf”)myset.remove(“sfdf”)foriteminmyset.sort(){print(item)}Myset.countMyset.isEmptyContians(sfdf)Letres=ersect(setb)交集Letres2=seta.union(setb)并集Dictionary字典鍵值對(duì)Tuole元祖把多個(gè)值合成一個(gè)復(fù)合值，元祖內(nèi)的值可以任意的，可以不同或相同Letdict1=Dictionary<Int,Int>()Letdict1=[Int,Int]()VarlessonDict:[String:String]=[“1”:”one”,”2”,”two”]lessonDict[“1”]lessonDict.[“3”]=“three”key如果不存在就會(huì)把key-value添加進(jìn)去刪除lessonDict.removeValueForKey(“1”)lessonDict[“1”]=nil遍歷For(key,vlaue)inlessonDict{Print(key,vale)}Tupe元祖Letmytuple=(“1”,”2”)Let(lessonIndex,lessonName)=mytuple分解元祖Mytuple.0獲取到第一個(gè)元素區(qū)間運(yùn)算符1…51..<5Optional類型：包含兩種狀態(tài)，有某個(gè)值，或者為空nilVarage:Optional<Int><==>varage:Int?letI:Int?=20函數(shù)func函數(shù)名(參數(shù)名:參數(shù)類型)->返回值類型{}調(diào)用函數(shù)，多個(gè)形參的時(shí)候，需要帶上形參名add(1,num2:2)funcsay(personperson)函數(shù)類型由參數(shù)類型和返回值類型確定定義一個(gè)函數(shù)類型Varfunc=addfunc(Int,Int)->Int函數(shù)類型作為參數(shù)類型閉包自包含的函數(shù)代碼塊，函數(shù)是一種閉包閉包還有一種叫閉包表達(dá)式{(參數(shù)類型)–>返回類型in}letadd={(a:Int,b:Int)->Intinreturna+b}{(a:Int,b:Int)->Intinreturna+b}匿名函數(shù){$0+$1}尾隨閉包UILabel程序入口是application的didiFinishLaunchingWithOptions里循環(huán)進(jìn)行的；LaunchScreen.storyboard預(yù)加載畫面Letlabel:UILabel=UILabel(frame:CGRectMake(x,y,leng,width))Label.text=“isalabel”Label.font=UIFont()Label.textColor=UIColor()Label.backgroundColor=…Label.textAlignment=NSTextAlignment.CenterLabel.shadowColor=UICollor….設(shè)置陰影Label.shadowOffset=CGSzieMake(10,10)設(shè)置偏移量Label.numberOfLines=2設(shè)置行數(shù)設(shè)置為0為無限行Self.view.addSubview(label)加載到視圖上UIBottonLetbutton:UIButtonUIButton(type:UIButtonType.System)設(shè)置button類型枚舉很多類型Custom自定義無類型System系統(tǒng)標(biāo)準(zhǔn)類型InfoDark詳情樣式ContactAdd添加類型Button.frame=CGRectMake(10,10,100,100)//添加事件Button.addTarget(selft,action:Selector(“click”),forControlEvents:UIControlEvents.TouchUpInside)Button.contentEdgeInsets=UIEdgeInsetsMake(-10,-10,0,0)設(shè)置內(nèi)容的偏移量Button.setImage(UIImage(named:1.jpg),forState:UIControlState.Normal)//并行（圖片-文字）Button.setBackgroundImage(UIImage(named:1.jpg),forState:UIControlState.Normal)//文字會(huì)在圖片上面Self.view.addSubview(button)//點(diǎn)擊執(zhí)行的函數(shù)Funcclick(btn:UIButton){Btn.backgroundColor=UIColor(red:(CGFloat)(random()%255)/255,green:34,blue:34,alpha:1)}UIImageViewLetimageView:UIImageView=UIImageView(frame:CGRectMake(100,100,100,100))imageView.image=UIImage(named:“1.png”)imageView.hightlightedImage//設(shè)置高亮圖片imageView.highlighted=true//設(shè)置為高亮狀態(tài)vararray:Array<UIImage!>=Array()forvari=0;i<3;i++{letimage:UIImage?=UIImage(named:String(format:”%d.png”,i))array.append(image!)}imageView.animationImages=arrayas?[UIImage]//設(shè)置imageView的動(dòng)畫數(shù)組imageView.animationRepeatCount=0設(shè)置動(dòng)畫的播放次數(shù)0無限imageView.animationDuration=3設(shè)置一輪播放時(shí)間3秒imageView.startAnimating()開始播放動(dòng)畫set.view.addSubview(imageView)layer屬性imageView.layer.masksToBounds=true//設(shè)置圓角imageView.layer.cornerRadius=50imageView.layer.borderWidth=2設(shè)置邊框imageView.layer.borderColor=UIColor.greenColor()imageView.layer.shadowColor=…設(shè)置陰影imageView.layer.shadowOffset=CGSizeMake(10,10)imageView.layer.shadowOpacity=1;設(shè)置不透明UISearchBarLetsearchBar:UISearchBar=UISearchBar()searchBar.placeholder=“請(qǐng)輸入關(guān)鍵字”//設(shè)置默認(rèn)提示語searcBar.text=“劍圣”//設(shè)置默認(rèn)文字searchBar.barStyle=UIBarStyle.()設(shè)置風(fēng)格searchBmpt=“”背景文字（title作用）searchBar.showsBookmarkButton=true設(shè)置相應(yīng)功能按鈕的顯示與否searchBar.tintColor設(shè)置光標(biāo)等渲染顏色searchBar.barTintColor設(shè)置搜索框背景顏色/course/710-10351/未UISwitchmySwitch.thumbTintColor…設(shè)置滑塊的顏色添加事件UISegementControlLetseg:UISegementControl=UISegementControl()Seg.insertSegmentWithTile(“第一個(gè)按鈕”,atIndex:0,animated:true)設(shè)置分段控制器Seg.addTa