iPhone开发之UITableView详解(2)

转自：http://zyc-to.blog.163.com/blog/static/171524002010112831630425/－、建立 UITableViewDataTable = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, 320, 420)];[DataTable setDelegate:self];[DataTable setDataSource:self];[self.view addSubview:DataTable];[DataTable release];二、UITableView各Method说明//Section总数- (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView{return TitleData;}// Section Titles//每个section显示的标题- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{return @"";}//指定有多少个分区(Section)，默认为1- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {return 4;}//指定每个分区中有多少行，默认为1- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{}//绘制Cell-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {static NSString *SimpleTableIdentifier = @"SimpleTableIdentifier";UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:SimpleTableIdentifier];if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefaultreuseIdentifier: SimpleTableIdentifier] autorelease];}cell.imageView.image=image;//未选cell时的图片cell.imageView.highlightedImage=highlightImage;//选中cell后的图片cell.text=//.....return cell;}//行缩进-(NSInteger)tableView:(UITableView *)tableView indentationLevelForRowAtIndexPath:(NSIndexPath *)indexPath{NSUInteger row = [indexPath row];return row;}//改变行的高度- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{return 40;}//定位[TopicsTable setContentOffset:CGPointMake(0, promiseNum * 44 + Chapter * 20)];//返回当前所选cellNSIndexPath *ip = [NSIndexPath indexPathForRow:row inSection:section];[TopicsTable selectRowAtIndexPath:ip animated:YES scrollPosition:UITableViewScrollPositionNone];[tableView setSeparatorStyle:UITableViewCellSelectionStyleNone];//选中Cell响应事件- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{[tableView deselectRowAtIndexPath:indexPath animated:YES];//选中后的反显颜色即刻消失}//判断选中的行（阻止选中第一行）-(NSIndexPath *)tableView:(UITableView *)tableView willSelectRowAtIndexPath:(NSIndexPath *)indexPath{NSUInteger row = [indexPath row];if (row == 0)return nil;return indexPath;}//划动cell是否出现del按钮- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {}//编辑状态- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyleforRowAtIndexPath:(NSIndexPath *)indexPath{｝[topicsTable setContentSize:CGSizeMake(0,controller.promiseNum * 44)];//右侧添加一个索引表- (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView{}//返回Section标题内容- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{}//自定义划动时del按钮内容- (NSString *)tableView:(UITableView *)tableViewtitleForDeleteConfirmationButtonForRowAtIndexPath:(NSIndexPath *)indexPath//跳到指的row or section[tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:0] atScrollPosition:UITableViewScrollPositionBottom animated:NO];三、在UITableViewCell上建立UILable多行显示- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];if (cell == nil) {cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:CellIdentifier] autorelease];UILabel *Datalabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 0, 320, 44)];[Datalabel setTag:100];Datalabel.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;[cell.contentView addSubview:Datalabel];[Datalabel release];} UILabel *Datalabel = (UILabel *)[cell.contentView viewWithTag:100];[Datalabel setFont:[UIFont boldSystemFontOfSize:18]];Datalabel.text = [data.DataArray objectAtIndex:indexPath.row];cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;return cell;}//选中cell时的颜色typedef enum {UITableViewCellSelectionStyleNone,UITableViewCellSelectionStyleBlue,UITableViewCellSelectionStyleGray} UITableViewCellSelectionStyle//cell右边按钮格式typedef enum {UITableViewCellAccessoryNone, // don't show any accessory viewUITableViewCellAccessoryDisclosureIndicator, // regular chevron. doesn't trackUITableViewCellAccessoryDetailDisclosureButton, // blue button w/ chevron. tracksUITableViewCellAccessoryCheckmark // checkmark. doesn't track} UITableViewCellAccessoryType  //是否加换行线typedef enum {UITableViewCellSeparatorStyleNone,UITableViewCellSeparatorStyleSingleLine} UITableViewCellSeparatorStyle//改变换行线颜色tableView.separatorColor = [UIColor blueColor];