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
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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
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#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
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#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 |
