1 // 2 //  NSString+Ext.m 3 //  12-24-MicroBlog 4 // 5 //  Created by xiaomoge on 14/12/24. 6 //  Copyright (c) 2014年 xiaomoge. All rights reserved. 7 // 8  9 #import "NSString+Ext.h"10 11 @implementation NSString (Ext)12 //取得字体的大小13 - (CGSize)setTextSize:(CGSize)maxSize andFontSize:(CGFloat)fontSize {14     return [self boundingRectWithSize:maxSize options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:fontSize]} context:nil].size;15 }16 @end

 1 // 2 //  JWMicroBlog.h 3 //  12-24-MicroBlog 4 // 5 //  Created by xiaomoge on 14/12/24. 6 //  Copyright (c) 2014年 xiaomoge. All rights reserved. 7 // 8  9 #import <Foundation/Foundation.h>10 11 @interface JWMicroBlog : NSObject12 @property (nonatomic,copy) NSString *text;13 @property (nonatomic,copy) NSString *icon;14 @property (nonatomic,copy) NSString *name;15 @property (nonatomic,copy) NSString *picture;16 @property (nonatomic,assign,getter=isVip) BOOL vip;17 - (instancetype)initWithDic:(NSDictionary *)dic;18 + (instancetype)microBlogWithDic:(NSDictionary *)dic;19 + (NSArray *)microBlogList;20 @end

 1 // 2 //  JWMicroBlog.m 3 //  12-24-MicroBlog 4 // 5 //  Created by xiaomoge on 14/12/24. 6 //  Copyright (c) 2014年 xiaomoge. All rights reserved. 7 // 8  9 #import "JWMicroBlog.h"10 11 @implementation JWMicroBlog12 - (instancetype)initWithDic:(NSDictionary *)dic {13     if (self = [super init]) {14         [self setValuesForKeysWithDictionary:dic];15     }16     return self;17 }18 + (instancetype)microBlogWithDic:(NSDictionary *)dic {19     return [[self alloc] initWithDic:dic];20 }21 + (NSArray *)microBlogList {22     NSArray *datas = [NSArray arrayWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"microblog" ofType:@"plist"]];23     NSMutableArray *temp = [NSMutableArray array];24     25     for (NSDictionary *dic in datas) {26         JWMicroBlog *blog = [JWMicroBlog microBlogWithDic:dic];27         [temp addObject:blog];28     }29     return temp;30 }31 @end

 1 // 2 //  JWMicroBlogFrame.h 3 //  12-24-MicroBlog 4 // 5 //  Created by xiaomoge on 14/12/24. 6 //  Copyright (c) 2014年 xiaomoge. All rights reserved. 7 // 8 #define NAMEFONT 13 9 #define TEXTFONT 1410 #import <UIKit/UIKit.h>11 #import "JWMicroBlog.h"12 @interface JWMicroBlogFrame : NSObject13 /*14  数据模型15  */16 @property (nonatomic,strong) JWMicroBlog *microBlog;17 /*18  头像frame19  */20 @property (nonatomic,assign,readonly) CGRect iconFrame;21 /*22  昵称frame23  */24 @property (nonatomic,assign,readonly) CGRect nameFrame;25 /*26  vipframe27  */28 @property (nonatomic,assign,readonly) CGRect vipFrame;29 /*30  内容frame31  */32 @property (nonatomic,assign,readonly) CGRect textFrame;33 /*34  图片frame35  */36 @property (nonatomic,assign,readonly) CGRect pictureFrame;37 /*38  行高39  */40 @property (nonatomic,assign,readonly) CGFloat rowHeight;41 /*42 获取数据的方法43 */44 + (NSArray *)microBlogFrameList;45 @end

 1 // 2 //  JWMicroBlogFrame.m 3 //  12-24-MicroBlog 4 // 5 //  Created by xiaomoge on 14/12/24. 6 //  Copyright (c) 2014年 xiaomoge. All rights reserved. 7 // 8  9 #import "JWMicroBlogFrame.h"10 #import "NSString+Ext.h"11 @implementation JWMicroBlogFrame12 /*13  重写set方法14  */15 - (void)setMicroBlog:(JWMicroBlog *)microBlog {16     17     _microBlog = microBlog;18     //间距19     CGFloat margin = 10;20     //头像21     CGFloat iconW = 40;22     CGFloat iconH = 40;23     CGFloat iconX = margin;24     CGFloat iconY = margin;25     _iconFrame = CGRectMake(iconX, iconY, iconW, iconH);26     27     //昵称28     CGSize nameSize = [microBlog.name setTextSize:CGSizeMake(MAXFLOAT, MAXFLOAT) andFontSize:NAMEFONT];//取得昵称文字的大小,调用了分类的一个方法29     CGFloat nameX = CGRectGetMaxX(_iconFrame) + margin;//X值是头像的最大X值加上间距30     CGFloat nameY = (iconH + margin) * 0.5;//Y值是头像的高度加上间距的一半，这里用 * 比用 / 好，速度更快31     _nameFrame = CGRectMake(nameX, nameY, nameSize.width, nameSize.height);32     33     //vip34     CGFloat vipW = 14;35     CGFloat vipH = 14;36     CGFloat vipX = CGRectGetMaxX(_nameFrame);//X值是昵称的最大X值37     CGFloat vipY = nameY;38     if (microBlog.isVip) {//如果模型数据中有vip的数据，才需要定义vip图片的frame39         _vipFrame = CGRectMake(vipX, vipY, vipW, vipH);40     }41     42     //内容43     CGSize textSize = [microBlog.text setTextSize:CGSizeMake(355, MAXFLOAT) andFontSize:TEXTFONT];44     CGFloat textX = margin;45     CGFloat textY = CGRectGetMaxY(_iconFrame) + margin;//Y值是头像的最大Y值加上间距46     _textFrame = CGRectMake(textX, textY, textSize.width, textSize.height);47     48     //图片49     CGFloat pictureW = 100;50     CGFloat pictureH = 100;51     CGFloat pictureX = margin;52     CGFloat pictureY = CGRectGetMaxY(_textFrame) + margin;//Y值是内容的最大Y值加上间距53     if (microBlog.picture) {//如果模型数据中有微博图片的数据，才需要定义frame54         _pictureFrame = CGRectMake(pictureX, pictureY, pictureW, pictureH);55     }56     57     //行高58     CGFloat textMax = CGRectGetMaxY(_textFrame);//定义一个内容的最大Y值59     CGFloat pictureMax = CGRectGetMaxY(_pictureFrame);//定义一个微博图片的最大Y值60     _rowHeight = MAX(textMax, pictureMax) + margin;//行高是根据是否有微博图片来决定的。这里的MAX函数其实就是返回一个最大值61 }62 + (NSArray *)microBlogFrameList {63     NSArray *microBlog = [JWMicroBlog microBlogList];64     65     NSMutableArray *tem = [NSMutableArray array];66     67     for (JWMicroBlog *blog in microBlog) {68         JWMicroBlogFrame *frame = [[JWMicroBlogFrame alloc] init];69         frame.microBlog = blog;70         [tem addObject:frame];71     }72     return tem;73 }74 @end

 1 // 2 //  JWMicroBlogCell.h 3 //  12-24-MicroBlog 4 // 5 //  Created by xiaomoge on 14/12/24. 6 //  Copyright (c) 2014年 xiaomoge. All rights reserved. 7 // 8  9 #import <UIKit/UIKit.h>10 @class JWMicroBlogFrame;11 @interface JWMicroBlogCell : UITableViewCell12 @property (nonatomic,strong) JWMicroBlogFrame *microBlogFrame;13 + (JWMicroBlogCell *)cellWithTableView:(UITableView *)tableView;14 @end

 1 // 2 //  JWMicroBlogCell.m 3 //  12-24-MicroBlog 4 // 5 //  Created by xiaomoge on 14/12/24. 6 //  Copyright (c) 2014年 xiaomoge. All rights reserved. 7 // 8  9 #import "JWMicroBlogCell.h"10 #import "JWMicroBlogFrame.h"11 @interface JWMicroBlogCell ()12 @property (nonatomic,weak) UIImageView *iconView;//头像view13 @property (nonatomic,weak) UILabel *nameLabel;//昵称view14 @property (nonatomic,weak) UIImageView *vipView;//vip图片view15 @property (nonatomic,weak) UILabel *textView;//内容view16 @property (nonatomic,weak) UIImageView *pictureView;//微博图片view17 @end18 @implementation JWMicroBlogCell19 /*20  快速构造一个可重用的cell21  */22 + (JWMicroBlogCell *)cellWithTableView:(UITableView *)tableView {23     static NSString *resue = @"bolg";//缓存池标识24     JWMicroBlogCell *cell = [tableView dequeueReusableCellWithIdentifier:resue];25     if (!cell) {26         cell = [[self alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:resue];27     }28     return cell;29 }30 /*31  重写init方法,添加各控件32  */33 - (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {34     if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {35         //头像子控件36         UIImageView *icon = [[UIImageView alloc] init];37         [self.contentView addSubview:icon];38         self.iconView = icon;39         40         //昵称子控件41         UILabel *name = [[UILabel alloc] init];42         [self.contentView addSubview:name];43         self.nameLabel = name;44         name.font = [UIFont systemFontOfSize:NAMEFONT];45         46         //vip子控件47         UIImageView *vip = [[UIImageView alloc] init];48         [self.contentView addSubview:vip];49         self.vipView = vip;50         51         //内容子控件52         UILabel *text = [[UILabel alloc] init];53         [self.contentView addSubview:text];54         self.textView = text;55         text.numberOfLines = 0;56         text.font = [UIFont systemFontOfSize:TEXTFONT];57         58         //图片子控件59         UIImageView *picture = [[UIImageView alloc] init];60         [self.contentView addSubview:picture];61         self.pictureView = picture;62     }63     return self;64 }65 /*66  重写set方法，设置cell中各控件的内容和frame67  */68 - (void)setMicroBlogFrame:(JWMicroBlogFrame *)microBlogFrame {69     _microBlogFrame = microBlogFrame;70     [self setSubviewsContent];//设置cell中各控件显示的内容71     [self setSubviewsFrame];//设置cell中各控件的frame72 }73 /*74  设置cell中各控件显示的内容75 */76 - (void)setSubviewsContent {77     JWMicroBlog *msg = self.microBlogFrame.microBlog;78     self.iconView.image = [UIImage imageNamed:msg.icon];79     self.nameLabel.text = msg.name;80     if (msg.isVip) {//如果是vip，则昵称颜色设置为红色，否则为黑色81         self.vipView.image = [UIImage imageNamed:@"vip"];82         self.nameLabel.textColor = [UIColor redColor];83     }else {84         self.nameLabel.textColor = [UIColor blackColor];85     }86     self.textView.text = msg.text;87     self.pictureView.image = [UIImage imageNamed:msg.picture];88 }89 /*90  设置cell中各控件的frame91  */92 - (void)setSubviewsFrame {93     self.iconView.frame = self.microBlogFrame.iconFrame;94     self.nameLabel.frame = self.microBlogFrame.nameFrame;95     self.vipView.frame = self.microBlogFrame.vipFrame;96     self.textView.frame = self.microBlogFrame.textFrame;97     self.pictureView.frame = self.microBlogFrame.pictureFrame;98 }99 @end

 1 // 2 //  JWController.m 3 //  12-24-MicroBlog 4 // 5 //  Created by xiaomoge on 14/12/24. 6 //  Copyright (c) 2014年 xiaomoge. All rights reserved. 7 // 8  9 #import "JWController.h"10 #import "JWMicroBlog.h"11 #import "JWMicroBlogCell.h"12 #import "JWMicroBlogFrame.h"13 @interface JWController ()<UITableViewDataSource>14 //frame模型数组15 @property (nonatomic,strong) NSArray *microBlogFrame;16 @end17 @implementation JWController18 #pragma mark - 懒加载19 - (NSArray *)microBlogFrame {20     if (!_microBlogFrame) {//如果为空21         _microBlogFrame = [JWMicroBlogFrame microBlogFrameList];22     }23     return _microBlogFrame;24 }25 #pragma mark - 隐藏状态栏26 - (BOOL)prefersStatusBarHidden {27     return YES;28 }29 - (void)viewDidLoad {30     [super viewDidLoad];31 }32 #pragma mark - UITableViewDataSource方法33 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {34     return self.microBlogFrame.count;//返回每组行的多少35 }36 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {37     JWMicroBlogCell *cell = [JWMicroBlogCell cellWithTableView:tableView];38     cell.microBlogFrame = self.microBlogFrame[indexPath.row];//取得对应行的数据39     return cell;40 }41 - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {42     return [self.microBlogFrame[indexPath.row] rowHeight];//返回每行数据的行高43 }44 @end