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全部博文（877）
分类： iOS平台
2015-10-19 23:58:12
参考http://www.cnblogs.com/syxchina/archive/2012/10/11/2720257.html
一、需要导入头文件pinyin.h这里有下载地址http://download.csdn.net/detail/u013873967/6991579
这是我写的完整代码，欢迎大家学习交流，帮我改进。http://download.csdn.net/detail/u013873967/6992825
二、ChineseString.h
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#import <Foundation/Foundation.h>
#import "pinyin.h"
@interface ChineseString : NSObject
@property(retain,nonatomic)NSString *string;
@property(retain,nonatomic)NSString *pinYin;
//----- 返回tableview右方indexArray
+(NSMutableArray*)IndexArray:(NSArray*)stringArr;
//----- 返回联系人
+(NSMutableArray*)LetterSortArray:(NSArray*)stringArr;
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三、ChineseString.cpp
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#import "ChineseString.h"
@implementation ChineseString
@synthesize string;
@synthesize pinYin;
#pragma mark - 返回tableview右方 indexArray
+(NSMutableArray*)IndexArray:(NSArray*)stringArr
{
NSMutableArray *tempArray = [self ReturnSortChineseArrar:stringArr];
NSMutableArray *A_Result=[NSMutableArray array];
NSString *tempString ;
for (NSString* object in tempArray)
{
NSString *pinyin = [((ChineseString*)object).pinYin substringToIndex:1];
//不同
if (![tempString isEqualToString:pinyin])
{
// NSLog(@"IndexArray----->%@",pinyin);
[A_Result addObject:pinyin];
tempString = pinyin;
}
}
return A_Result;
}
#pragma mark - 返回联系人
+(NSMutableArray*)LetterSortArray:(NSArray*)stringArr
{
NSMutableArray *tempArray = [self ReturnSortChineseArrar:stringArr];
NSMutableArray *LetterResult=[NSMutableArray array];
NSMutableArray *item = [NSMutableArray array];
NSString *tempString ;
//拼音分组
for (NSString* object in tempArray) {
NSString *pinyin = [((ChineseString*)object).pinYin substringToIndex:1];
NSString *string = ((ChineseString*)object).string;
//不同
if (![tempString isEqualToString:pinyin])
{
//分组
item = [NSMutableArray array];
[item addObject:string];
[LetterResult addObject:item];
//遍历
tempString = pinyin;
} else //相同
{
[item addObject:string];
}
}
return LetterResult;
}
//过滤指定字符串 里面的指定字符根据自己的需要添加
+(NSString*)RemoveSpecialCharacter: (NSString *)str {
NSRange urgentRange = [str rangeOfCharacterFromSet: [NSCharacterSet characterSetWithCharactersInString: @ ",.？、 ~￥#&<>《》()[]{}【】^@/￡¤|§¨「」『』￠￢￣~@#&*（）——+|《》$_?" ]];
if (urgentRange.location != NSNotFound)
{
return [self RemoveSpecialCharacter:[str stringByReplacingCharactersInRange:urgentRange withString:@ "" ]];
}
return str;
}
///////////////////
//
//返回排序好的字符拼音
//
///////////////////
+(NSMutableArray*)ReturnSortChineseArrar:(NSArray*)stringArr
{
//获取字符串中文字的拼音首字母并与字符串共同存放
NSMutableArray *chineseStringsArray=[NSMutableArray array];
for ( int i=0;i<[stringArr count];i++)
{
ChineseString *chineseString=[[ChineseString alloc]init];
chineseString.string=[NSString stringWithString:[stringArr objectAtIndex:i]];
if (chineseString.string==nil){
chineseString.string=@ "" ;
}
//去除两端空格和回车
chineseString.string = [chineseString.string stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
//此方法存在一些问题 有些字符过滤不了
//NSCharacterSet *set = [NSCharacterSet characterSetWithCharactersInString:@"@／：；（）¥「」＂、[]{}#%-*+=_\\|~＜＞$?^?'@#$%^&*()_+'\""];
//chineseString.string = [chineseString.string stringByTrimmingCharactersInSet:set];
//这里我自己写了一个递归过滤指定字符串 RemoveSpecialCharacter
chineseString.string =[ChineseString RemoveSpecialCharacter:chineseString.string];
// NSLog(@"string====%@",chineseString.string);
//判断首字符是否为字母
NSString *regex = @ "[A-Za-z]+" ;
NSPredicate*predicate = [NSPredicate predicateWithFormat:@ "SELF MATCHES %@" ,regex];
if ([predicate evaluateWithObject:chineseString.string])
{
//首字母大写
chineseString.pinYin = [chineseString.string capitalizedString] ;
} else {
if (![chineseString.string isEqualToString:@ "" ]){
NSString *pinYinResult=[NSString string];
for ( int j=0;j<chineseString.string.length;j++){
NSString *singlePinyinLetter=[[NSString stringWithFormat:@ "%c" ,pinyinFirstLetter([chineseString.string characterAtIndex:j])]uppercaseString];
pinYinResult=[pinYinResult stringByAppendingString:singlePinyinLetter];
}
chineseString.pinYin=pinYinResult;
} else {
chineseString.pinYin=@ "" ;
}
}
[chineseStringsArray addObject:chineseString];
}
//按照拼音首字母对这些Strings进行排序
NSArray *sortDescriptors = [NSArray arrayWithObject:[NSSortDescriptor sortDescriptorWithKey:@ "pinYin" ascending:YES]];
[chineseStringsArray sortUsingDescriptors:sortDescriptors];
return chineseStringsArray;
}
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四、UITableViewController.cpp
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- ( void )viewDidLoad
{
self.title = @ "我的好友" ;
[super viewDidLoad];
NSArray *stringsToSort=[NSArray arrayWithObjects:
@ "￥hhh, .$" ,@ " ￥Chin ese " ,@ "开源中国 " ,@ "www.oschina.net" ,
@ "开源技术" ,@ "社区" ,@ "开发者" ,@ "传播" ,
@ "2013" ,@ "100" ,@ "中国" ,@ "暑假作业" ,
@ "键盘" , @ "鼠标" ,@ "hello" ,@ "world" ,
nil];
self.indexArray = [ChineseString IndexArray:stringsToSort];
self.LetterResultArr = [ChineseString LetterSortArray:stringsToSort];
}
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