1 前言
今天我們來學習一下如何移動UITableView控件中的Section和Cell

2 代碼實例
ZYViewController.h

 

[plain]  #import <UIKit/UIKit.h> 
 
@interface ZYViewController : UIViewController<UITableViewDelegate,UITableViewDataSource> 
 
@property(nonatomic,strong)UITableView *myTableView; 
@property(nonatomic,strong)NSMutableArray *arrayOfSections;//數據源 
 
 
@end 

#import <UIKit/UIKit.h>

@interface ZYViewController : UIViewController<UITableViewDelegate,UITableViewDataSource>

@property(nonatomic,strong)UITableView *myTableView;
@property(nonatomic,strong)NSMutableArray *arrayOfSections;//數據源

@end
ZYViewController.m

 

[plain]  @synthesize myTableView; 
@synthesize arrayOfSections; 
 
//初始化數據源每個Cell的內容 
-(NSMutableArray *)newSectionWithIndex:(NSUInteger)paramIndex withCellCount:(NSUInteger)paramCellCount{ 
    NSMutableArray *result = [[NSMutableArray alloc]init]; 
    NSUInteger counter = 0; 
    for (counter = 0; counter<paramCellCount; counter++) { 
        [result addObject:[[NSString alloc] initWithFormat:@"Section %lu Cell %lu",(unsigned long)paramIndex,(unsigned long)counter+1]]; 
    } 
    return result; 
} 
 
- (void)viewDidLoad 
{ 
    [super viewDidLoad]; 
    // Do any additional setup after loading the view, typically from a nib. 
    //初始化數據源 
    arrayOfSections = [[NSMutableArray alloc] init]; 
    NSMutableArray *section1 = [self newSectionWithIndex:1 withCellCount:3]; 
    NSMutableArray *section2 = [self newSectionWithIndex:2 withCellCount:3]; 
    NSMutableArray *section3 = [self newSectionWithIndex:3 withCellCount:3]; 
    [arrayOfSections addObject:section1]; 
    [arrayOfSections addObject:section2]; 
    [arrayOfSections addObject:section3]; 
    myTableView = [[UITableView alloc] initWithFrame:self.view.bounds style:UITableViewStyleGrouped]; 
    self.myTableView.autoresizingMask = UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight; 
    //添加代理 
    myTableView.delegate = self; 
    myTableView.dataSource = self; 
    //添加右按鈕 
    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"MoveSection" style:UIBarButtonItemStylePlain target:self action:@selector(movewSection1ToSection3)]; 
    //添加左按鈕 
    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"MoveCell" style:UIBarButtonItemStylePlain target:self action:@selector(moveCell2InSectionToCellInSection2)]; 
    [self.view addSubview:myTableView]; 
     
} 
//Section行數 
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{ 
    NSInteger result = 0; 
    if ([tableView isEqual:myTableView]) { 
        result = (NSInteger)[self.arrayOfSections count]; 
    } 
    return result; 
} 
//每個Section中的Cell行數 
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{ 
    NSInteger result = 0; 
    if ([tableView isEqual:myTableView]) { 
        if ([arrayOfSections count]>section) { 
            NSMutableArray *sectionArray = [self.arrayOfSections objectAtIndex:section]; 
            result = (NSInteger)[sectionArray count]; 
        } 
    } 
    return result; 
} 
//設置每行Cell的內容 
 
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{ 
    UITableViewCell *result = nil; 
    if ([tableView isEqual:myTableView]) { 
        static NSString *CellIdentifier = @"CellIdentifier"; 
        result = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier]; 
    } 
    NSMutableArray *sectionArray = [self.arrayOfSections objectAtIndex:indexPath.section]; 
    result.textLabel.text = [sectionArray objectAtIndex:indexPath.row]; 
    return result; 
} 
//將第一個索引位置的Section移動放到最後一個位置 
-(void)movewSection1ToSection3{ 
    NSMutableArray *section1 = [self.arrayOfSections objectAtIndex:0]; 
    [self.arrayOfSections removeObject:section1]; 
    [self.arrayOfSections addObject:section1]; 
     
    [myTableView moveSection:0 toSection:2]; 
} 
//將第一個Section中的第一個Cell和第二個互換 
-(void)moveCell1InSectionToCell2InSection1{ 
    NSMutableArray *section1 = [self.arrayOfSections objectAtIndex:0]; 
    NSString *cell1InSection1 = [section1 objectAtIndex:0]; 
    [section1 removeObject:cell1InSection1]; 
    [section1 insertObject:cell1InSection1 atIndex:1]; 
    NSIndexPath *sourceIndexPath = [NSIndexPath indexPathForRow:0 inSection:0]; 
    NSIndexPath *destinationIdexPath = [NSIndexPath indexPathForRow:1 inSection:0]; 
    [self.myTableView moveRowAtIndexPath:sourceIndexPath toIndexPath:destinationIdexPath]; 
} 
//將第一個Section的第二個Cell移動到第二個Section的第一個Cell之前的位置 
-(void)moveCell2InSectionToCellInSection2{ 
    NSMutableArray *section1 = [arrayOfSections objectAtIndex:0]; 
    NSMutableArray *section2 = [arrayOfSections objectAtIndex:1]; 
     
    NSString *cell2InSection1 = [section1 objectAtIndex:1]; 
    [section1 removeObject:cell2InSection1]; 
    [section2 insertObject:cell2InSection1 atIndex:0]; 
     
    NSIndexPath *sourceIndexPath = [NSIndexPath indexPathForRow:1 inSection:0]; 
    NSIndexPath *destinationIndexPath = [NSIndexPath indexPathForRow:0 inSection:1]; 
     
    [myTableView moveRowAtIndexPath:sourceIndexPath toIndexPath:destinationIndexPath]; 
} 

@synthesize myTableView;
@synthesize arrayOfSections;

//初始化數據源每個Cell的內容
-(NSMutableArray *)newSectionWithIndex:(NSUInteger)paramIndex withCellCount:(NSUInteger)paramCellCount{
    NSMutableArray *result = [[NSMutableArray alloc]init];
    NSUInteger counter = 0;
    for (counter = 0; counter<paramCellCount; counter++) {
        [result addObject:[[NSString alloc] initWithFormat:@"Section %lu Cell %lu",(unsigned long)paramIndex,(unsigned long)counter+1]];
    }
    return result;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
 // Do any additional setup after loading the view, typically from a nib.
    //初始化數據源
    arrayOfSections = [[NSMutableArray alloc] init];
    NSMutableArray *section1 = [self newSectionWithIndex:1 withCellCount:3];
    NSMutableArray *section2 = [self newSectionWithIndex:2 withCellCount:3];
    NSMutableArray *section3 = [self newSectionWithIndex:3 withCellCount:3];
    [arrayOfSections addObject:section1];
    [arrayOfSections addObject:section2];
    [arrayOfSections addObject:section3];
    myTableView = [[UITableView alloc] initWithFrame:self.view.bounds style:UITableViewStyleGrouped];
    self.myTableView.autoresizingMask = UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight;
    //添加代理
    myTableView.delegate = self;
    myTableView.dataSource = self;
    //添加右按鈕
    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"MoveSection" style:UIBarButtonItemStylePlain target:self action:@selector(movewSection1ToSection3)];
    //添加左按鈕
    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"MoveCell" style:UIBarButtonItemStylePlain target:self action:@selector(moveCell2InSectionToCellInSection2)];
    [self.view addSubview:myTableView];
   
}
//Section行數
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    NSInteger result = 0;
    if ([tableView isEqual:myTableView]) {
        result = (NSInteger)[self.arrayOfSections count];
    }
    return result;
}
//每個Section中的Cell行數
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    NSInteger result = 0;
    if ([tableView isEqual:myTableView]) {
        if ([arrayOfSections count]>section) {
            NSMutableArray *sectionArray = [self.arrayOfSections objectAtIndex:section];
            result = (NSInteger)[sectionArray count];
        }
    }
    return result;
}
//設置每行Cell的內容

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    UITableViewCell *result = nil;
    if ([tableView isEqual:myTableView]) {
        static NSString *CellIdentifier = @"CellIdentifier";
        result = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];
    }
    NSMutableArray *sectionArray = [self.arrayOfSections objectAtIndex:indexPath.section];
    result.textLabel.text = [sectionArray objectAtIndex:indexPath.row];
    return result;
}
//將第一個索引位置的Section移動放到最後一個位置
-(void)movewSection1ToSection3{
    NSMutableArray *section1 = [self.arrayOfSections objectAtIndex:0];
    [self.arrayOfSections removeObject:section1];
    [self.arrayOfSections addObject:section1];
   
    [myTableView moveSection:0 toSection:2];
}
//將第一個Section中的第一個Cell和第二個互換
-(void)moveCell1InSectionToCell2InSection1{
    NSMutableArray *section1 = [self.arrayOfSections objectAtIndex:0];
    NSString *cell1InSection1 = [section1 objectAtIndex:0];
    [section1 removeObject:cell1InSection1];
    [section1 insertObject:cell1InSection1 atIndex:1];
    NSIndexPath *sourceIndexPath = [NSIndexPath indexPathForRow:0 inSection:0];
    NSIndexPath *destinationIdexPath = [NSIndexPath indexPathForRow:1 inSection:0];
    [self.myTableView moveRowAtIndexPath:sourceIndexPath toIndexPath:destinationIdexPath];
}
//將第一個Section的第二個Cell移動到第二個Section的第一個Cell之前的位置
-(void)moveCell2InSectionToCellInSection2{
    NSMutableArray *section1 = [arrayOfSections objectAtIndex:0];
    NSMutableArray *section2 = [arrayOfSections objectAtIndex:1];
   
    NSString *cell2InSection1 = [section1 objectAtIndex:1];
    [section1 removeObject:cell2InSection1];
    [section2 insertObject:cell2InSection1 atIndex:0];
   
    NSIndexPath *sourceIndexPath = [NSIndexPath indexPathForRow:1 inSection:0];
    NSIndexPath *destinationIndexPath = [NSIndexPath indexPathForRow:0 inSection:1];
   
    [myTableView moveRowAtIndexPath:sourceIndexPath toIndexPath:destinationIndexPath];
}
運行結果：

 
 

點擊右側按鈕後效果：

 
 

點擊左側按鈕後效果：