首先导入两个首字母的文件
////.c中文件
#define HANZI_START 19968
#define HANZI_COUNT 20902
static char firstLetterArray[HANZI_COUNT] =
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"xy";
char pinyinFirstLetter(unsignedshort hanzi)
{
int index = hanzi -HANZI_START;
if (index >=0 && index <=HANZI_COUNT)
{
returnfirstLetterArray[index];
}
else
{
return hanzi;
}
}
//////////.h
#define ALPHA @"ABCDEFGHIJKLMNOPQRSTUVWXYZ#"
char pinyinFirstLetter(unsignedshort hanzi);
///////////之后创建数据模型,将获得的表格的头和cell中地值存入数据模型中对应的变量 (文件名为: ChineseString )
//
// ChineseString.h
// ChineseSort
//
// Created by Bill on 12-8-3.
// Copyright (c) 2012年 __MyCompanyName__. All rights reserved.
//
#import
@interface ChineseString :NSObject
@property(nonatomic,copy)NSString *string;
@property(nonatomic,copy)NSString *pinYin;
@end
///.m文件中
//
// ChineseString.m
// ChineseSort
//
// Created by Bill on 12-8-3.
// Copyright (c) 2012年 __MyCompanyName__. All rights reserved.
//
#import "ChineseString.h"
@implementation ChineseString
@synthesize string =_string;
@synthesize pinYin =_pinYin;
- (id)init {
if (self = [superinit]) {
}
returnself;
}
@end
//然后就是主题了
//创建tableView,填充数据
创建一个ViewControllor类,.h文件中
//
// ViewController.h
// TestNameSortAndSplit
//
// Created by ethan on 13-4-27.
// Copyright (c) 2013年 ethan. All rights reserved.
//
#import
@interface ViewController :UIViewController<</span>UITableViewDataSource,UITableViewDelegate> {
UITableView *_tableView;
}
@property (nonatomic,retain)NSMutableArray *dataArr;
@property (nonatomic,retain)NSMutableArray *sortedArrForArrays;
@property (nonatomic,retain)NSMutableArray *sectionHeadsKeys;
@end
///.m文件中
//
// ViewController.m
// TestNameSortAndSplit
//
// Created by ethan on 13-4-27.
// Copyright (c) 2013年 ethan. All rights reserved.
//
#import "ViewController.h"
#import "pinyin.h"
#import "ChineseString.h"
@interfaceViewController ()
@end
@implementation ViewController
@synthesize dataArr =_dataArr;
@synthesize sortedArrForArrays =_sortedArrForArrays;
@synthesize sectionHeadsKeys =_sectionHeadsKeys;
- (void)viewDidLoad
{
[superviewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
//获得数据
[selfgetSectionAndCellData];
//创建tableView
[selfcreateTableView];
}
- (void)didReceiveMemoryWarning
{
[superdidReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (void)dealloc {
[_dataArr release];
[_sortedArrForArraysrelease];
[_sectionHeadsKeysrelease];
[_tableViewrelease];
[super dealloc];
}
#pragma mark -
#pragma mark create method
- (void)getSectionAndCellData {
//init
//创建要显示的数据
_dataArr = [[NSMutableArrayalloc]init];
_sortedArrForArrays = [[NSMutableArrayalloc]init];
_sectionHeadsKeys = [[NSMutableArrayalloc]init]; //initialize a array to hold keys like A,B,C ...
//add test data
[_dataArr addObject:@"郭靖"];
[_dataArr addObject:@"黄蓉"];
[_dataArr addObject:@"杨过"];
[_dataArr addObject:@"苗若兰"];
[_dataArr addObject:@"令狐冲"];
[_dataArr addObject:@"小龙女"];
[_dataArr addObject:@"胡斐"];
[_dataArr addObject:@"水笙"];
[_dataArr addObject:@"任盈盈"];
[_dataArr addObject:@"白琇"];
[_dataArr addObject:@"狄云"];
[_dataArr addObject:@"石破天"];
[_dataArr addObject:@"殷素素"];
[_dataArr addObject:@"张翠山"];
[_dataArr addObject:@"张无忌"];
[_dataArr addObject:@"青青"];
[_dataArr addObject:@"袁冠南"];
[_dataArr addObject:@"萧中慧"];
[_dataArr addObject:@"袁承志"];
[_dataArr addObject:@"乔峰"];
[_dataArr addObject:@"王语嫣"];
[_dataArr addObject:@"段玉"];
[_dataArr addObject:@"虚竹"];
[_dataArr addObject:@"苏星河"];
[_dataArr addObject:@"丁春秋"];
[_dataArr addObject:@"庄聚贤"];
[_dataArr addObject:@"阿紫"];
[_dataArr addObject:@"阿朱"];
[_dataArr addObject:@"阿碧"];
[_dataArr addObject:@"鸠魔智"];
[_dataArr addObject:@"萧远山"];
[_dataArr addObject:@"慕容复"];
[_dataArr addObject:@"慕容博"];
[_dataArr addObject:@"Jim"];
[_dataArr addObject:@"Lily"];
[_dataArr addObject:@"Ethan"];
[_dataArr addObject:@"Green小"];
[_dataArr addObject:@"Green大"];
[_dataArraddObject:@"DavidSmall"];
[_dataArraddObject:@"DavidBig"];
[_dataArr addObject:@"James"];
[_dataArraddObject:@"Kobe Brand"];
[_dataArraddObject:@"Kobe Crand"];
//引用getChineseStringArr,并传入参数,最后将值赋给sortedArrForArrays
self.sortedArrForArrays = [selfgetChineseStringArr:_dataArr];
}
- (void)createTableView
{
_tableView = [[UITableViewalloc]initWithFrame:self.view.framestyle:UITableViewStylePlain];
_tableView.dataSource =self;
_tableView.delegate =self;
[self.viewaddSubview:_tableView];
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return [[self.sortedArrForArraysobjectAtIndex:section]count];
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return [self.sortedArrForArrayscount];
}
//为section添加标题
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
return [_sectionHeadsKeysobjectAtIndex:section];
}
- (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView
{
returnself.sectionHeadsKeys;
}
//创建tableView的cell
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
NSString *cellId =@"CellId";
UITableViewCell *cell = [tableViewdequeueReusableCellWithIdentifier:cellId];
if (cell ==nil) {
cell = [[[UITableViewCellalloc]initWithStyle:UITableViewCellStyleDefaultreuseIdentifier:cellId]autorelease];
}
NSArray *row = [self.sortedArrForArraysobjectAtIndex:indexPath.section];
ChineseString *str = (ChineseString *) [row objectAtIndex:indexPath.row];
cell.textLabel.text = str.string;
return cell;
}
//固定代码,每次使用只需要将数据模型替换就好,这个方法是获取首字母,将填充给cell的值按照首字母排序
- (NSMutableArray *)getChineseStringArr:(NSMutableArray *)arrToSort
{
//创建一个临时的变动数组
NSMutableArray *chineseStringsArray = [NSMutableArrayarray];
for(int i =0; i < [arrToSortcount]; i++)
{
//创建一个临时的数据模型对象
ChineseString *chineseString=[[ChineseStringalloc]init];
//给模型赋值
chineseString.string=[NSStringstringWithString:[arrToSortobjectAtIndex:i]];
if(chineseString.string==nil)
{
chineseString.string=@"";
}
if(![chineseString.stringisEqualToString:@""])
{
//join(链接) the pinYin (letter字母) 链接到首字母
NSString *pinYinResult = [NSStringstring];
//按照数据模型中row的个数循环
for(int j =0;j < chineseString.string.length; j++)
{
NSString *singlePinyinLetter = [[NSStringstringWithFormat:@"%c",
pinyinFirstLetter([chineseString.stringcharacterAtIndex:j])]uppercaseString];
pinYinResult = [pinYinResultstringByAppendingString:singlePinyinLetter];
}
chineseString.pinYin = pinYinResult;
} else {
chineseString.pinYin =@"";
}
[chineseStringsArray addObject:chineseString];
}
//sort(排序) the ChineseStringArr by pinYin(首字母)
NSArray *sortDescriptors = [NSArrayarrayWithObject:[NSSortDescriptorsortDescriptorWithKey:@"pinYin"ascending:YES]];
[chineseStringsArray sortUsingDescriptors:sortDescriptors];
NSMutableArray *arrayForArrays = [NSMutableArrayarray];
BOOL checkValueAtIndex=NO; //flag to check
NSMutableArray *TempArrForGrouping =nil;
for(int index =0; index < [chineseStringsArraycount]; index++)
{
ChineseString *chineseStr = (ChineseString *)[chineseStringsArrayobjectAtIndex:index];
NSMutableString *strchar= [NSMutableStringstringWithString:chineseStr.pinYin];
NSString *sr= [strcharsubstringToIndex:1];
//sr containing here the first character of each string (这里包含的每个字符串的第一个字符)
NSLog(@"%@",sr);
//here I'm checking whether the character already in the selection header keys or not (检查字符是否已经选择头键)
if(![_sectionHeadsKeyscontainsObject:[sruppercaseString]])
{
[_sectionHeadsKeysaddObject:[sruppercaseString]];
TempArrForGrouping = [[[NSMutableArrayalloc]initWithObjects:nil]autorelease];
checkValueAtIndex = NO;
}
if([_sectionHeadsKeyscontainsObject:[sruppercaseString]])
{
[TempArrForGrouping addObject:[chineseStringsArray objectAtIndex:index]];
if(checkValueAtIndex ==NO)
{
[arrayForArrays addObject:TempArrForGrouping];
checkValueAtIndex = YES;
}
}
}
return arrayForArrays;
}
@end
//完成
