uitableviewcell高度自适应（tableview自适应宽度）

在github中有许多大牛封装好的第三发类库，其中有个自适应cell高度的类库

下载地址：https://github.com/gsdios/sdautolayout

model类

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 commentsmodel #import "jsonmodel.h" #import "getcommentdata.h" @interface commentsmodel : jsonmodel @property(nonatomic,copy)nsarray<getcommentdata> *commentlist; @end #import "commentsmodel.h" @implementation commentsmodel @end getcommentdata #import "jsonmodel.h" @protocol getcommentdata @end @interface getcommentdata : jsonmodel @property(nonatomic,copy)nsstring *message; @property(nonatomic,copy)nsstring *nickname; @property(nonatomic,copy)nsstring *createtimestr; @end #import "getcommentdata.h" @implementation getcommentdata @end

控制器

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 #import "commentstableviewcontroller.h" #import "commentsmodel.h" #import "commentcell.h" @interface commentstableviewcontroller () @property(nonatomic,strong)nsarray *commentsarray; @end @implementation commentstableviewcontroller -(nsarray *)commentsarray{ if (_commentsarray==nil) { nsdata *data=[nsdata datawithcontentsoffile:[[nsbundle mainbundle] pathforresource:@"comment_list.json" oftype:nil]]; commentsmodel *commensm=[[commentsmodel alloc]initwithdata:data error:nil]; _commentsarray=commensm.commentlist; } return _commentsarray; } - (void)viewdidload { [super viewdidload]; } - (void)didreceivememorywarning { [super didreceivememorywarning]; // dispose of any resources that can be recreated. } #pragma mark - table view data source - (nsinteger)numberofsectionsintableview:(uitableview *)tableview { return 1; } - (nsinteger)tableview:(uitableview *)tableview numberofrowsinsection:(nsinteger)section { return self.commentsarray.count; } - (uitableviewcell *)tableview:(uitableview *)tableview cellforrowatindexpath:(nsindexpath *)indexpath { static nsstring *id=@"comment"; commentcell *cell=[tableview dequeuereusablecellwithidentifier:id]; if (cell==nil) { cell=[[commentcell alloc]initwithstyle:uitableviewcellstyledefault reuseidentifier:id]; } cell.commentdata=self.commentsarray[indexpath.row]; return cell; } -(cgfloat)tableview:(uitableview *)tableview heightforrowatindexpath:(nsindexpath *)indexpath{ return [self cellheightforindexpath:indexpath cellcontentviewwidth:[self cellcontentviewwith]]; } -(cgfloat)cellcontentviewwith{ cgfloat width=[uiscreen mainscreen].bounds.size.width; if ([uiapplication sharedapplication].statusbarorientation != uiinterfaceorientationportrait && [[uidevice currentdevice].systemversion floatvalue] < 8) { width = [uiscreen mainscreen].bounds.size.height; } return width; } @end

具体自定义cell的代码

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 #import <uikit/uikit.h> @class getcommentdata; @interface commentcell : uitableviewcell @property(nonatomic,strong)getcommentdata *commentdata; @property(nonatomic,strong)uilabel *namelabel; @property(nonatomic,strong)uilabel *titlelabel; @property(nonatomic,strong)uilabel *datelabel; @end #import "commentcell.h" #import "commentsmodel.h" @implementation commentcell -(void)setcommentdata:(getcommentdata *)commentdata{ _commentdata=commentdata; _titlelabel.text=commentdata.message; _datelabel.text=commentdata.createtimestr; _namelabel.text=commentdata.nickname; } - (instancetype)initwithstyle:(uitableviewcellstyle)style reuseidentifier:(nsstring *)reuseidentifier { self = [super initwithstyle:style reuseidentifier:reuseidentifier]; if (self) { [self setup]; } return self; } -(void)setup{ _namelabel=[uilabel new]; [self.contentview addsubview:_namelabel]; _namelabel.textcolor=[uicolor colorwithred:0.891 green:0.549 blue:0.073 alpha:1.000]; _namelabel.font=[uifont systemfontofsize:15]; _namelabel.numberoflines=1; _titlelabel=[uilabel new]; [self.contentview addsubview:_titlelabel]; _titlelabel.textcolor=[uicolor darkgraycolor]; _titlelabel.font=[uifont systemfontofsize:15]; _titlelabel.numberoflines=0; _datelabel=[uilabel new]; [self.contentview addsubview:_datelabel]; _datelabel.textcolor=[uicolor colorwithred:0.679 green:0.166 blue:0.828 alpha:1.000]; _datelabel.font=[uifont systemfontofsize:15]; _datelabel.numberoflines=1; cgfloat margin=10; uiview *contentview=self.contentview; _namelabel.sd_layout .leftspacetoview(contentview,margin) .topspacetoview(contentview,margin) .rightspacetoview(contentview,margin) .heightis(20); _titlelabel.sd_layout .leftspacetoview(contentview,margin) .topspacetoview(_namelabel,2) .rightspacetoview(contentview,margin) .autoheightratio(0); _datelabel.sd_layout .leftspacetoview(contentview,margin) .topspacetoview(_titlelabel,5) .heightis(20) .widthis(150); [self setupautoheightwithbottomviewsarray:@[_titlelabel,_datelabel,_namelabel] bottommargin:margin]; } - (void)awakefromnib { } - (void)setselected:(bool)selected animated:(bool)animated { [super setselected:selected animated:animated]; } @end