九宫格

#import
#import
@interface NineGridEntity : NSObject

@property (nonatomic, strong) NSString* id;
@property (nonatomic, strong) NSString* name;
@property (nonatomic, strong) NSString* ImageName;
@property (nonatomic, strong) UIImage* icon;
@property (nonatomic, strong) NSString * unreadcount;
@property (nonatomic) int sortno;

@property (nonatomic, strong)UIImageView *iconIV;

@end

#import "NineGridEntity.h"

@implementation NineGridEntity

//@synthesize id,name,icon,sortno,unreadcount,ImageName,iconIV;

@end

#import

@protocol NineGridTableDelegate

-(void)onClickNineGridTableButton:(NSString*)objid;

@end


@interface NineGridTable : UITableView

-(void)loadGridData:(NSMutableArray*)dataArray;

@property (nonatomic, assign)   id    nineGridTableDelegate;
@property (nonatomic, assign) int countinrow;
//设置表格单元格样式
+(void)setTableCellStyle:(UITableViewCell*)cell;

@end

#import "NineGridTable.h"
#import "NineGridEntity.h"
#import "UIImage+imageAlpha.h"

@interface NineGridTable(){
    NSMutableArray* dataArrays;
}

@end

@implementation NineGridTable
@synthesize nineGridTableDelegate;
@synthesize countinrow;

- (id)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        // Initialization code
    }
    self.backgroundColor = [UIColor whiteColor];
    self.allowsSelection = FALSE;
    self.dataSource = self;
    self.delegate = self;
    [self setSeparatorColor:[UIColor clearColor]];
    self.countinrow = 3;
   
    return self;
}


-(void)loadGridData:(NSMutableArray*)dataArray{
    dataArrays = [[NSMutableArray alloc] initWithArray:dataArray];
   
    [self reloadData];
}


- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    return dataArrays.count % self.countinrow >0 ? dataArrays.count / self.countinrow + 1 : dataArrays.count / self.countinrow;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    NSString *ListViewCellId = @"NineGridCellId";
    CGFloat buttonheight = tableView.frame.size.width / (self.countinrow + 4.0f);
    CGFloat buttonwidth = buttonheight;
   
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ListViewCellId];
    if (cell == nil) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:ListViewCellId];
       
        CGFloat sidewidth = (tableView.frame.size.width - buttonheight*self.countinrow) / (self.countinrow + 1.0f);
        CGFloat sideheight = (tableView.frame.size.width / self.countinrow -buttonheight) / 2.0f;
       
        for(int i=0; i
            UIButton* button1 = [UIButton buttonWithType:UIButtonTypeCustom];
            button1.frame = CGRectMake(sidewidth * (i+1) + buttonwidth*i, sideheight, buttonwidth, buttonheight);
            button1.backgroundColor = [UIColor whiteColor];
            button1.tag = 1001 + i;
            [cell.contentView addSubview:button1];
           
            [button1 addTarget:self action:@selector(buttonClickImage:) forControlEvents:UIControlEventTouchUpInside];
        }
       
        for(int i=0; i
            UIButton* button1 = (UIButton*)[cell.contentView viewWithTag:(1001+i)];
           
            UILabel* label1 = [[UILabel alloc] initWithFrame:CGRectMake(button1.frame.origin.x-15, button1.frame.origin.y+button1.frame.size.height, button1.frame.size.width+30, 20.0f)];
            label1.backgroundColor = [UIColor clearColor];
            label1.textColor = [UIColor blackColor];
            label1.font = [UIFont fontWithName:@"HelveticaNeue-Light" size:14];
            label1.tag = 2001 + i;
            label1.textAlignment = NSTextAlignmentCenter;
            [cell.contentView addSubview:label1];
        }

        CGFloat unreadheight = 19.0f;
        CGFloat cornerRadius = 10.0f;
        CGFloat offsetunread = 2.0f;
        CGFloat alphaunreawd = 0.8f;
       
        for(int i=0; i
            UIButton* button1 = (UIButton*)[cell.contentView viewWithTag:(1001+i)];
           
            UILabel* labelunread1 = [[UILabel alloc] initWithFrame:CGRectMake(0.0f,0.0f,unreadheight,unreadheight)];
            labelunread1.center = CGPointMake(button1.frame.origin.x+button1.frame.size.width-offsetunread, button1.frame.origin.y+offsetunread);
            labelunread1.backgroundColor = [UIColor colorWithRed:1.0f green:0.0f blue:0.0f alpha:alphaunreawd];
            labelunread1.textColor = [UIColor whiteColor];
            labelunread1.font = [UIFont fontWithName:@"HelveticaNeue-Light" size:13];
            labelunread1.tag = 3001 + i;
            labelunread1.textAlignment = NSTextAlignmentCenter;
            [cell.contentView addSubview:labelunread1];
            [labelunread1.layer setCornerRadius:cornerRadius];
            [labelunread1.layer setMasksToBounds:YES];
        }
    }
   
    cell.backgroundColor = [UIColor clearColor];
    cell.contentView.tag = indexPath.row;
   
    for(int i=0; i
        UIButton* button1 = (UIButton*)[cell.contentView viewWithTag:(1001+i)];
        UILabel* label1 = (UILabel*)[cell.contentView viewWithTag:(2001+i)];
        UILabel* imgView1 = (UILabel*)[cell.contentView viewWithTag:(3001+i)];
       
        button1.hidden = YES;
        label1.hidden = YES;
        imgView1.hidden = YES;
    }
   
    int index = 0;
    for(NSInteger i= indexPath.row*(self.countinrow); (i< indexPath.row*(self.countinrow) + self.countinrow) && i
        UIButton* button1 = (UIButton*)[cell.contentView viewWithTag:(1001+index)];
        UILabel* label1 = (UILabel*)[cell.contentView viewWithTag:(2001+index)];
        UILabel* imgView1 = (UILabel*)[cell.contentView viewWithTag:(3001+index)];
       
        NineGridEntity* entity = dataArrays[i];

        button1.hidden = NO;
        label1.hidden = NO;
//找到保存图片的保存路径，并用文件处理单例找到图片的名称，查找本地解压过的图片文件对应的名称进行对九宫格图标的填充。如果没有文件则选择用本地保存好的默认的图片。

        NSString* homePath=NSHomeDirectory();
        NSString* BtnImageSetPath = [homePath stringByAppendingPathComponent:@"%@/ResoftR/ResoftRV3-3.02ForIos8/ResoftGPS/NineGridTable"];
        NSFileManager* file=[NSFileManager defaultManager];
        if ([file fileExistsAtPath:BtnImageSetPath])
        {
           
            [button1 setImage:[UIImage imageWithContentsOfFile:[BtnImageSetPath stringByAppendingPathComponent:[NSString stringWithFormat:@"%@.png",entity.ImageName]]] forState:UIControlStateNormal];
//
//           
//          [button1 setBackgroundImage:[UIImage imageWithContentsOfFile:[BtnImageSetPath stringByAppendingPathComponent:[NSString stringWithFormat:@"%@.png",entity.ImageName]]] forState:UIControlStateNormal];
//增加了九宫格界面的点击效果，如果已经下载了九宫格图片解压并填充成功后，则直接在在此填充方法中增加点击效果事件，当点击对应按钮手指弹起的时候显示效果。
//             测试点：
//             1、验证点击九宫格页面图片时，是否会有阴影效果。
//             2、验证点击后是否会跳转至响应的页面且页面标题与图标显示的标题一致
//             3、在测试过程中对有无卡死、闪退以及页面显示不全的状态进行验证
//             
//             */
//            [button1 setShowsTouchWhenHighlighted:YES];
        }
        else
        {
            [button1 setImage:entity.icon forState:UIControlStateNormal];
//            [button1 setBackgroundImage:entity.icon forState:UIControlStateNormal];
//            [button1 setBackgroundImage:entity.icon forState:UIControlStateHighlighted];
//            button1.backgroundColor = [UIColor redColor];
//
//            [button1 setShowsTouchWhenHighlighted:YES];
        }
       
       [button1 setImage:entity.icon forState:UIControlStateNormal];
       
//        [button1 setBackgroundImage:[UIImage sourceImage:entity.icon applyingAlpha:1.0] forState:UIControlStateHighlighted];
       
        label1.text = entity.name;
        if ([entity.unreadcount integerValue] > 0) {
            imgView1.hidden = NO;
            imgView1.text = [NSString stringWithFormat:@"%@", entity.unreadcount];
           
            if ([entity.unreadcount integerValue] > 99) {
               
                int x = (int)[NSString stringWithFormat:@"%@", entity.unreadcount].length;
                NSMutableString* stlen = [[NSMutableString alloc] init];
                for (int i = 0; i < x; i++) {
                    [stlen appendString:@"9"];
                }
                if (stlen.length < 2) {
                    stlen = [[NSMutableString alloc] initWithString:@"99"];
                }
                CGFloat contentWidth = [stlen boundingRectWithSize:CGSizeMake(CGFLOAT_MAX, imgView1.frame.size.height) options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading attributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIFont systemFontOfSize:13],NSFontAttributeName, nil] context:nil].size.width;
               
                imgView1.frame = CGRectMake(imgView1.frame.origin.x-(contentWidth-imgView1.frame.size.width),imgView1.frame.origin.y,contentWidth,imgView1.frame.size.height);
            } else {
                CGFloat offsetunread = 2.0f;
                imgView1.frame = CGRectMake(0,0,imgView1.frame.size.height,imgView1.frame.size.height);
                imgView1.center = CGPointMake(button1.frame.origin.x+button1.frame.size.width-offsetunread, button1.frame.origin.y+offsetunread);
            }
        }
        else{
            imgView1.hidden = YES;
        }
       
        index ++;
    }
   
    [NineGridTable setTableCellStyle:cell];
    return cell;
}
//设置表格单元格样式
+(void)setTableCellStyle:(UITableViewCell*)cell{
    if ([cell respondsToSelector:@selector(setSeparatorInset:)]) {
        [cell setSeparatorInset:UIEdgeInsetsZero];
    }
    if ([cell respondsToSelector:@selector(setLayoutMargins:)]) {
        [cell setLayoutMargins:UIEdgeInsetsMake(0,0,0,0)];
    }
}


-(void)buttonClickImage:(UIButton*)button{
    NSInteger index = (button.tag - 1001) + button.superview.tag*(self.countinrow);
    NineGridEntity* entity = dataArrays[index];

    if (self.nineGridTableDelegate && [self.nineGridTableDelegate respondsToSelector:@selector(onClickNineGridTableButton:)]){
        [nineGridTableDelegate onClickNineGridTableButton:entity.name];
    
    }
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
    return tableView.frame.size.width / (self.countinrow);
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
    [tableView deselectRowAtIndexPath:indexPath animated:NO];
}



@end
注意:要引入图片的路径,2.就是导入SDWebImage框架.