iOS汉字转拼音封装
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引用---笔记
iOS代码中包含中文字符的排序搜索比较繁琐，引用大神的样例整理下此笔记
PinYinForObjc.h中的有两个方法，第一是将汉字全部转成拼音、第二是将汉字首字母检索出来，如下：
+ (NSString*)chineseConvertToPinYin:(NSString*)chinese;//转换为拼音
+ (NSString*)chineseConvertToPinYinHead:(NSString *)chinese;//转换为拼音首字母
详细代码：一、（1）#import"ChineseInclude.h"
#import <Foundation/Foundation.h>@interface ChineseInclude : NSObject+ (BOOL)isIncludeChineseInString:(NSString*)str;@end
（2）ChineseInclude.m
#import "ChineseInclude.h"@implementation ChineseInclude+ (BOOL)isIncludeChineseInString:(NSString*)str { for (int i=0; i<str.length; i++) { unichar ch = [str characterAtIndex:i]; if (0x4e00 < ch && ch < 0x9fff) { return true; } } return false;}@end二、(1)ChineseToPinyinResource.h#ifndef _ChineseToPinyinResource_H_#define _ChineseToPinyinResource_H_@class NSArray;@class NSMutableDictionary;@interface ChineseToPinyinResource : NSObject { NSString* _directory; NSDictionary *_unicodeToHanyuPinyinTable;}- (id)init;- (void)initializeResource;- (NSArray *)getHanyuPinyinStringArrayWithChar:(unichar)ch;- (BOOL)isValidRecordWithNSString:(NSString *)record;- (NSString *)getHanyuPinyinRecordFromCharWithChar:(unichar)ch;+ (ChineseToPinyinResource *)getInstance;@end#endif (2)ChineseToPinyinResource.m#include "ChineseToPinyinResource.h"#define LEFT_BRACKET @"("#define RIGHT_BRACKET @")"#define COMMA @","#define kCacheKeyForUnicode2Pinyin @"cache.key.for.unicode.to.pinyin"static inline NSString* cachePathForKey(NSString* directory, NSString* key) {return [directory stringByAppendingPathComponent:key];}@interface ChineseToPinyinResource ()- (id<NSCoding>)cachedObjectForKey:(NSString*)key;-(void)cacheObjec:(id<NSCoding>)obj forKey:(NSString *)key;@end@implementation ChineseToPinyinResource- (id)init { if (self = [super init]) { _unicodeToHanyuPinyinTable = nil; [self initializeResource]; } return self;}- (void)initializeResource { NSString* cachesDirectory = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES)[0];NSString* oldCachesDirectory = [[[cachesDirectory stringByAppendingPathComponent:[[NSProcessInfo processInfo] processName]] stringByAppendingPathComponent:@"PinYinCache"] copy]; if([[NSFileManager defaultManager] fileExistsAtPath:oldCachesDirectory]) {[[NSFileManager defaultManager] removeItemAtPath:oldCachesDirectory error:NULL];}_directory = [[[cachesDirectory stringByAppendingPathComponent:[[NSBundle mainBundle] bundleIdentifier]] stringByAppendingPathComponent:@"PinYinCache"] copy]; NSDictionary *dataMap=(NSDictionary *)[self cachedObjectForKey:kCacheKeyForUnicode2Pinyin]; if (dataMap) { self->_unicodeToHanyuPinyinTable=dataMap; }else{ NSString *resourceName =[[NSBundle mainBundle] pathForResource:@"unicode_to_hanyu_pinyin" ofType:@"txt"]; NSString *dictionaryText=[NSString stringWithContentsOfFile:resourceName encoding:NSUTF8StringEncoding error:nil]; NSArray *lines = [dictionaryText componentsSeparatedByString:@"\r\n"]; __block NSMutableDictionary *tempMap=[[NSMutableDictionary alloc] init]; @autoreleasepool { [lines enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) { NSArray *lineComponents=[obj componentsSeparatedByCharactersInSet:[NSCharacterSet whitespaceCharacterSet]]; [tempMap setObject:lineComponents[1] forKey:lineComponents[0]]; }]; } self->_unicodeToHanyuPinyinTable=tempMap; [self cacheObjec:self->_unicodeToHanyuPinyinTable forKey:kCacheKeyForUnicode2Pinyin]; }}- (id<NSCoding>)cachedObjectForKey:(NSString*)key{ NSData *data = [NSData dataWithContentsOfFile:cachePathForKey(_directory, key) options:0 error:NULL]; if (data) { return [NSKeyedUnarchiver unarchiveObjectWithData:data]; } return nil;}-(void)cacheObjec:(id<NSCoding>)obj forKey:(NSString *)key{ NSData* data= [NSKeyedArchiver archivedDataWithRootObject:obj]; NSString* cachePath = cachePathForKey(_directory, key);dispatch_async(dispatch_get_main_queue(), ^{ [data writeToFile:cachePath atomically:YES]; });}- (NSArray *)getHanyuPinyinStringArrayWithChar:(unichar)ch { NSString *pinyinRecord = [self getHanyuPinyinRecordFromCharWithChar:ch]; if (nil != pinyinRecord) { NSRange rangeOfLeftBracket= [pinyinRecord rangeOfString:LEFT_BRACKET]; NSRange rangeOfRightBracket= [pinyinRecord rangeOfString:RIGHT_BRACKET]; NSString *stripedString = [pinyinRecord substringWithRange:NSMakeRange(rangeOfLeftBracket.location+rangeOfLeftBracket.length, rangeOfRightBracket.location-rangeOfLeftBracket.location-rangeOfLeftBracket.length)]; return [stripedString componentsSeparatedByString:COMMA]; } else return nil;}- (BOOL)isValidRecordWithNSString:(NSString *)record { NSString *noneStr = @"(none0)"; if ((nil != record) && ![record isEqual:noneStr] && [record hasPrefix:LEFT_BRACKET] && [record hasSuffix:RIGHT_BRACKET]) { return YES; } else return NO;}- (NSString *)getHanyuPinyinRecordFromCharWithChar:(unichar)ch { int codePointOfChar = ch; NSString *codepointHexStr =[[NSString stringWithFormat:@"%x", codePointOfChar] uppercaseString]; NSString *foundRecord =[self->_unicodeToHanyuPinyinTable objectForKey:codepointHexStr]; return [self isValidRecordWithNSString:foundRecord] ? foundRecord : nil;}+ (ChineseToPinyinResource *)getInstance { static ChineseToPinyinResource *sharedInstance=nil; static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ sharedInstance=[[self alloc] init]; }); return sharedInstance;}@end三、HanyuPinyinOutputFormat.h#ifndef _HanyuPinyinOutputFormat_H_#define _HanyuPinyinOutputFormat_H_#import <Foundation/Foundation.h>typedef enum { ToneTypeWithToneNumber, ToneTypeWithoutTone, ToneTypeWithToneMark}ToneType;typedef enum { CaseTypeUppercase, CaseTypeLowercase}CaseType;typedef enum { VCharTypeWithUAndColon, VCharTypeWithV, VCharTypeWithUUnicode}VCharType;@interface HanyuPinyinOutputFormat : NSObject@property(nonatomic, assign) VCharType vCharType;@property(nonatomic, assign) CaseType caseType;@property(nonatomic, assign) ToneType toneType;- (id)init;- (void)restoreDefault;@end#endif HanyuPinyinOutputFormat.m#include "HanyuPinyinOutputFormat.h"@implementation HanyuPinyinOutputFormat@synthesize vCharType=_vCharType;@synthesize caseType=_caseType;@synthesize toneType=_toneType;- (id)init { if (self = [super init]) { [self restoreDefault]; } return self;}- (void)restoreDefault { _vCharType = VCharTypeWithUAndColon; _caseType = CaseTypeLowercase; _toneType = ToneTypeWithToneNumber;}@end四、NSString+PinYin4Cocoa.h
#import <Foundation/Foundation.h>@interface NSString (PinYin4Cocoa)- (NSInteger)indexOfString:(NSString *)s;- (NSInteger)indexOfString:(NSString *)s fromIndex:(int)index;- (NSInteger)indexOf:(int)ch;- (NSInteger)indexOf:(int)ch fromIndex:(int)index;+ (NSString *)valueOfChar:(unichar)value;-(NSString *) stringByReplacingRegexPattern:(NSString *)regex withString:(NSString *) replacement;-(NSString *) stringByReplacingRegexPattern:(NSString *)regex withString:(NSString *) replacement caseInsensitive:(BOOL) ignoreCase;-(NSString *) stringByReplacingRegexPattern:(NSString *)regex withString:(NSString *) replacement caseInsensitive:(BOOL) ignoreCase treatAsOneLine:(BOOL) assumeMultiLine;-(NSArray *) stringsByExtractingGroupsUsingRegexPattern:(NSString *)regex;-(NSArray *) stringsByExtractingGroupsUsingRegexPattern:(NSString *)regex caseInsensitive:(BOOL) ignoreCase treatAsOneLine:(BOOL) assumeMultiLine;-(BOOL) matchesPatternRegexPattern:(NSString *)regex;-(BOOL) matchesPatternRegexPattern:(NSString *)regex caseInsensitive:(BOOL) ignoreCase treatAsOneLine:(BOOL) assumeMultiLine;@endNSString+PinYin4Cocoa.m
#import "NSString+PinYin4Cocoa.h"@implementation NSString (PinYin4Cocoa)- (NSInteger)indexOfString:(NSString *)s { NSAssert3((s!=nil), @"Error, s is a nil string, %s, %s, %d", __FILE__, __FUNCTION__, __LINE__); if ([s length] == 0) { return 0; } NSRange range = [self rangeOfString:s]; return range.location == NSNotFound ? -1 : (int) range.location;}- (NSInteger)indexOfString:(NSString *)s fromIndex:(int)index { NSAssert3((s!=nil), @"Error, s is a nil string, %s, %s, %d", __FILE__, __FUNCTION__, __LINE__); if ([s length] == 0) { return 0; } NSRange searchRange = NSMakeRange((NSUInteger) index, [self length] - (NSUInteger) index); NSRange range = [self rangeOfString:s options:NSLiteralSearch range:searchRange]; return range.location == NSNotFound ? -1 : (int) range.location;}- (NSInteger)indexOf:(int)ch { return [self indexOf:ch fromIndex:0];}- (NSInteger)indexOf:(int)ch fromIndex:(int)index { unichar c = (unichar) ch; NSString *s = [NSString stringWithCharacters:&c length:1]; return [self indexOfString:s fromIndex:(int)index];}+ (NSString *)valueOfChar:(unichar)value { return [NSString stringWithFormat:@"%C", value];}-(NSString *) stringByReplacingRegexPattern:(NSString *)regex withString:(NSString *) replacement caseInsensitive:(BOOL)ignoreCase { return [self stringByReplacingRegexPattern:regex withString:replacement caseInsensitive:ignoreCase treatAsOneLine:NO];}-(NSString *) stringByReplacingRegexPattern:(NSString *)regex withString:(NSString *) replacement caseInsensitive:(BOOL) ignoreCase treatAsOneLine:(BOOL) assumeMultiLine { NSUInteger options=0; if (ignoreCase) { options = options | NSRegularExpressionCaseInsensitive; } if (assumeMultiLine) { options = options | NSRegularExpressionDotMatchesLineSeparators; } NSError *error=nil; NSRegularExpression *pattern = [NSRegularExpression regularExpressionWithPattern:regex options:options error:&error]; if (error) { NSLog(@"Error creating Regex: %@",[error description]); return nil; } NSString *retVal= [pattern stringByReplacingMatchesInString:self options:0 range:NSMakeRange(0, [self length]) withTemplate:replacement]; return retVal;}-(NSString *) stringByReplacingRegexPattern:(NSString *)regex withString:(NSString *) replacement { return [self stringByReplacingRegexPattern:regex withString:replacement caseInsensitive:NO treatAsOneLine:NO];}-(NSArray *) stringsByExtractingGroupsUsingRegexPattern:(NSString *)regex caseInsensitive:(BOOL) ignoreCase treatAsOneLine:(BOOL) assumeMultiLine { NSUInteger options=0; if (ignoreCase) { options = options | NSRegularExpressionCaseInsensitive; } if (assumeMultiLine) { options = options | NSRegularExpressionDotMatchesLineSeparators; } NSError *error=nil; NSRegularExpression *pattern = [NSRegularExpression regularExpressionWithPattern:regex options:options error:&error]; if (error) { NSLog(@"Error creating Regex: %@",[error description]); return nil; } __block NSMutableArray *retVal = [NSMutableArray array]; [pattern enumerateMatchesInString:self options:0 range:NSMakeRange(0, [self length]) usingBlock:^(NSTextCheckingResult *result, NSMatchingFlags flags, BOOL *stop) { //Note, we only want to return the things in parens, so we're skipping index 0 intentionally for (int i=1; i<[result numberOfRanges]; i++) { NSString *matchedString=[self substringWithRange:[result rangeAtIndex:i]]; [retVal addObject:matchedString]; } }]; return retVal;}-(NSArray *) stringsByExtractingGroupsUsingRegexPattern:(NSString *)regex { return [self stringsByExtractingGroupsUsingRegexPattern:regex caseInsensitive:NO treatAsOneLine:NO];}-(BOOL) matchesPatternRegexPattern:(NSString *)regex caseInsensitive:(BOOL) ignoreCase treatAsOneLine:(BOOL) assumeMultiLine { NSUInteger options=0; if (ignoreCase) { options = options | NSRegularExpressionCaseInsensitive; } if (assumeMultiLine) { options = options | NSRegularExpressionDotMatchesLineSeparators; } NSError *error=nil; NSRegularExpression *pattern = [NSRegularExpression regularExpressionWithPattern:regex options:options error:&error]; if (error) { NSLog(@"Error creating Regex: %@",[error description]); return NO; //Can't possibly match an invalid Regex } return ([pattern numberOfMatchesInString:self options:0 range:NSMakeRange(0, [self length])] > 0);}-(BOOL) matchesPatternRegexPattern:(NSString *)regex { return [self matchesPatternRegexPattern:regex caseInsensitive:NO treatAsOneLine:NO];}五、PinYin4Objc.h#import "HanyuPinyinOutputFormat.h"#import "PinyinHelper.h"六、PinyinFormatter.h
#ifndef _PinyinFormatter_H_#define _PinyinFormatter_H_@class HanyuPinyinOutputFormat;@interface PinyinFormatter : NSObject {}+ (NSString *)formatHanyuPinyinWithNSString:(NSString *)pinyinStr withHanyuPinyinOutputFormat:(HanyuPinyinOutputFormat *)outputFormat;+ (NSString *)convertToneNumber2ToneMarkWithNSString:(NSString *)pinyinStr;- (id)init;@end#endif PinyinFormatter.m#include "HanyuPinyinOutputFormat.h"#include "PinyinFormatter.h"#import "NSString+PinYin4Cocoa.h"@interface PinyinFormatter ()+(NSInteger)getNumericValue:(unichar)c;+(NSInteger)indexOfChar:(int*) table ch:(unichar)c;@end @implementation PinyinFormatterstatic int numericKeys[] = { 0x0030, 0x0041, 0x0061, 0x00b2, 0x00b9, 0x00bc, 0x0660, 0x06f0, 0x0966, 0x09e6, 0x09f4, 0x09f9, 0x0a66, 0x0ae6, 0x0b66, 0x0be7, 0x0bf1, 0x0bf2, 0x0c66, 0x0ce6, 0x0d66, 0x0e50, 0x0ed0, 0x0f20, 0x1040, 0x1369, 0x1373, 0x1374, 0x1375, 0x1376, 0x1377, 0x1378, 0x1379, 0x137a, 0x137b, 0x137c, 0x16ee, 0x17e0, 0x1810, 0x2070, 0x2074, 0x2080, 0x2153, 0x215f, 0x2160, 0x216c, 0x216d, 0x216e, 0x216f, 0x2170, 0x217c, 0x217d, 0x217e, 0x217f, 0x2180, 0x2181, 0x2182, 0x2460, 0x2474, 0x2488, 0x24ea, 0x2776, 0x2780, 0x278a, 0x3007, 0x3021, 0x3038, 0x3039, 0x303a, 0x3280, 0xff10, 0xff21, 0xff41,};static unichar numericValues[] = { 0x0039, 0x0030, 0x005a, 0x0037, 0x007a, 0x0057, 0x00b3, 0x00b0, 0x00b9, 0x00b8, 0x00be, 0x0000, 0x0669, 0x0660, 0x06f9, 0x06f0, 0x096f, 0x0966, 0x09ef, 0x09e6, 0x09f7, 0x09f3, 0x09f9, 0x09e9, 0x0a6f, 0x0a66, 0x0aef, 0x0ae6, 0x0b6f, 0x0b66, 0x0bf0, 0x0be6, 0x0bf1, 0x0b8d, 0x0bf2, 0x080a, 0x0c6f, 0x0c66, 0x0cef, 0x0ce6, 0x0d6f, 0x0d66, 0x0e59, 0x0e50, 0x0ed9, 0x0ed0, 0x0f29, 0x0f20, 0x1049, 0x1040, 0x1372, 0x1368, 0x1373, 0x135f, 0x1374, 0x1356, 0x1375, 0x134d, 0x1376, 0x1344, 0x1377, 0x133b, 0x1378, 0x1332, 0x1379, 0x1329, 0x137a, 0x1320, 0x137b, 0x1317, 0x137c, 0xec6c, 0x16f0, 0x16dd, 0x17e9, 0x17e0, 0x1819, 0x1810, 0x2070, 0x2070, 0x2079, 0x2070, 0x2089, 0x2080, 0x215e, 0x0000, 0x215f, 0x215e, 0x216b, 0x215f, 0x216c, 0x213a, 0x216d, 0x2109, 0x216e, 0x1f7a, 0x216f, 0x1d87, 0x217b, 0x216f, 0x217c, 0x214a, 0x217d, 0x2119, 0x217e, 0x1f8a, 0x217f, 0x1d97, 0x2180, 0x1d98, 0x2181, 0x0df9, 0x2182, 0xfa72, 0x2473, 0x245f, 0x2487, 0x2473, 0x249b, 0x2487, 0x24ea, 0x24ea, 0x277f, 0x2775, 0x2789, 0x277f, 0x2793, 0x2789, 0x3007, 0x3007, 0x3029, 0x3020, 0x3038, 0x302e, 0x3039, 0x3025, 0x303a, 0x301c, 0x3289, 0x327f, 0xff19, 0xff10, 0xff3a, 0xff17, 0xff5a, 0xff37,};+ (NSString *)formatHanyuPinyinWithNSString:(NSString *)pinyinStr withHanyuPinyinOutputFormat:(HanyuPinyinOutputFormat *)outputFormat { if ((ToneTypeWithToneMark == [outputFormat toneType]) && ((VCharTypeWithV == [outputFormat vCharType]) || (VCharTypeWithUAndColon == [outputFormat vCharType]))) { @throw [NSException exceptionWithName:@"Throwing a BadHanyuPinyinOutputFormatCombination exception" reason:@"tone marks cannot be added to v or u:." userInfo:nil]; } if (ToneTypeWithoutTone == [outputFormat toneType]) { pinyinStr =[pinyinStr stringByReplacingOccurrencesOfString:@"[1-5]" withString:@"" options:NSRegularExpressionSearch range:NSMakeRange(0, pinyinStr.length)]; } else if (ToneTypeWithToneMark == [outputFormat toneType]) { pinyinStr =[pinyinStr stringByReplacingOccurrencesOfString:@"u:" withString:@"v"]; pinyinStr = [PinyinFormatter convertToneNumber2ToneMarkWithNSString:pinyinStr]; } if (VCharTypeWithV == [outputFormat vCharType]) { pinyinStr =[pinyinStr stringByReplacingOccurrencesOfString:@"u:" withString:@"v"]; } else if (VCharTypeWithUUnicode == [outputFormat vCharType]) { pinyinStr =[pinyinStr stringByReplacingOccurrencesOfString:@"u:" withString:@"ü"]; } if (CaseTypeUppercase == [outputFormat caseType]) { pinyinStr = [pinyinStr uppercaseString]; } return pinyinStr;}+ (NSString *)convertToneNumber2ToneMarkWithNSString:(NSString *)pinyinStr { NSString *lowerCasePinyinStr = [pinyinStr lowercaseString]; if ([lowerCasePinyinStr matchesPatternRegexPattern:@"[a-z]*[1-5]?"]) { unichar defautlCharValue = '$'; int defautlIndexValue = -1; unichar unmarkedVowel = defautlCharValue; int indexOfUnmarkedVowel = defautlIndexValue; unichar charA = 'a'; unichar charE = 'e'; NSString *ouStr = @"ou"; NSString *allUnmarkedVowelStr = @"aeiouv"; NSString *allMarkedVowelStr = @"āáăàaēéĕèeīíĭìiōóŏòoūúŭùuǖǘǚǜü"; if ([lowerCasePinyinStr matchesPatternRegexPattern:@"[a-z]*[1-5]"]) { int tuneNumber = [PinyinFormatter getNumericValue:[lowerCasePinyinStr characterAtIndex:lowerCasePinyinStr.length -1]]; int indexOfA = [lowerCasePinyinStr indexOf:charA]; int indexOfE = [lowerCasePinyinStr indexOf:charE]; int ouIndex = [lowerCasePinyinStr indexOfString:ouStr]; if (-1 != indexOfA) { indexOfUnmarkedVowel = indexOfA; unmarkedVowel = charA; } else if (-1 != indexOfE) { indexOfUnmarkedVowel = indexOfE; unmarkedVowel = charE; } else if (-1 != ouIndex) { indexOfUnmarkedVowel = ouIndex; unmarkedVowel = [ouStr characterAtIndex:0]; } else { for (int i = [lowerCasePinyinStr length] - 1; i >= 0; i--) { if ([[NSString valueOfChar:[lowerCasePinyinStr characterAtIndex:i]] matchesPatternRegexPattern:@"[aeiouv]"]) { indexOfUnmarkedVowel = i; unmarkedVowel = [lowerCasePinyinStr characterAtIndex:i]; break; } } } if ((defautlCharValue != unmarkedVowel) && (defautlIndexValue != indexOfUnmarkedVowel)) { int rowIndex = [allUnmarkedVowelStr indexOf:unmarkedVowel]; int columnIndex = tuneNumber - 1; int vowelLocation = rowIndex * 5 + columnIndex; unichar markedVowel = [allMarkedVowelStr characterAtIndex:vowelLocation]; NSMutableString *resultBuffer = [[NSMutableString alloc] init]; [resultBuffer appendString:[[lowerCasePinyinStr substringToIndex:indexOfUnmarkedVowel+1] stringByReplacingOccurrencesOfString:@"v" withString:@"ü"]]; [resultBuffer appendFormat:@"%C",markedVowel]; [resultBuffer appendString:[[lowerCasePinyinStr substringWithRange:NSMakeRange(indexOfUnmarkedVowel + 1, lowerCasePinyinStr.length-indexOfUnmarkedVowel)] stringByReplacingOccurrencesOfString:@"v" withString:@"ü"]]; return [resultBuffer description]; } else { return lowerCasePinyinStr; } } else { return [lowerCasePinyinStr stringByReplacingOccurrencesOfString:@"v" withString:@"ü"]; } } else { return lowerCasePinyinStr; }}+(NSInteger)getNumericValue:(unichar)c{ if (c < 128) { // Optimized for ASCII if (c >= '0' && c <= '9') { return c - '0'; } if (c >= 'a' && c <= 'z') { return c - ('a' - 10); } if (c >= 'A' && c <= 'Z') { return c - ('A' - 10); } return -1; } NSInteger result = [self indexOfChar:numericKeys ch:c]; if (result >= 0 && c <= numericValues[result * 2]) { unichar difference = numericValues[result * 2 + 1]; if (difference == 0) { return -2; } // Value is always positive, must be negative value if (difference > c) { return c - (short) difference; } return c - difference; } return -1;}+(NSInteger)indexOfChar:(int*) table ch:(unichar)c{ NSInteger len=sizeof(table)/sizeof(table[0]); for (int i = 0; i < len; i++) { if (table[i] == (int) c) { return i; } } return -1;}- (id)init { return [super init];}@end七、PinYinForObjc.h#import <Foundation/Foundation.h>#import "HanyuPinyinOutputFormat.h"#import "PinyinHelper.h"@interface PinYinForObjc : NSObject+ (NSString*)chineseConvertToPinYin:(NSString*)chinese;//转换为拼音+ (NSString*)chineseConvertToPinYinHead:(NSString *)chinese;//转换为拼音首字母@endPinYinForObjc.m
#import "PinYinForObjc.h"@implementation PinYinForObjc+ (NSString*)chineseConvertToPinYin:(NSString*)chinese { NSString *sourceText = chinese; HanyuPinyinOutputFormat *outputFormat = [[HanyuPinyinOutputFormat alloc] init]; [outputFormat setToneType:ToneTypeWithoutTone]; [outputFormat setVCharType:VCharTypeWithV]; [outputFormat setCaseType:CaseTypeLowercase]; NSString *outputPinyin = [PinyinHelper toHanyuPinyinStringWithNSString:sourceText withHanyuPinyinOutputFormat:outputFormat withNSString:@""]; return outputPinyin; }+ (NSString*)chineseConvertToPinYinHead:(NSString *)chinese { HanyuPinyinOutputFormat *outputFormat = [[HanyuPinyinOutputFormat alloc] init]; [outputFormat setToneType:ToneTypeWithoutTone]; [outputFormat setVCharType:VCharTypeWithV]; [outputFormat setCaseType:CaseTypeLowercase]; NSMutableString *outputPinyin = [[NSMutableString alloc] init]; for (int i=0;i <chinese.length;i++) { NSString *mainPinyinStrOfChar = [PinyinHelper getFirstHanyuPinyinStringWithChar:[chinese characterAtIndex:i] withHanyuPinyinOutputFormat:outputFormat]; if (nil!=mainPinyinStrOfChar) { [outputPinyin appendString:[mainPinyinStrOfChar substringToIndex:1]]; } } // 如果是不是拼音需要判断到底是哪个英文开头的 如果数字特殊服的默认返回# if (outputPinyin.length==0) { outputPinyin = (NSMutableString*)[self englishToHeade:chinese]; } return [[outputPinyin substringToIndex:1] uppercaseString];}+ (NSString*)englishToHeade:(NSString*)string{ NSString *firstStr = [[string substringToIndex:1] uppercaseString]; return [self isKindOfChar:firstStr]?firstStr:@"#";}+ (BOOL)isKindOfChar:(NSString*)str{ NSArray *array = @[@"A",@"B",@"C",@"D",@"E",@"F",@"G",@"H",@"I",@"G",@"K",@"L",@"M",@"N",@"O",@"P",@"Q",@"R",@"S",@"S",@"T",@"U",@"V",@"W",@"X",@"Y",@"Z"]; if ([array containsObject:str]) { return YES; }else{ return NO; }}@end八、PinyinHelper.h#ifndef _PinyinHelper_H_#define _PinyinHelper_H_@class HanyuPinyinOutputFormat;@interface PinyinHelper : NSObject {}+ (NSArray *)toHanyuPinyinStringArrayWithChar:(unichar)ch;+ (NSArray *)toHanyuPinyinStringArrayWithChar:(unichar)ch withHanyuPinyinOutputFormat:(HanyuPinyinOutputFormat *)outputFormat;+ (NSArray *)getFormattedHanyuPinyinStringArrayWithChar:(unichar)ch withHanyuPinyinOutputFormat:(HanyuPinyinOutputFormat *)outputFormat;+ (NSArray *)getUnformattedHanyuPinyinStringArrayWithChar:(unichar)ch;+ (NSArray *)toTongyongPinyinStringArrayWithChar:(unichar)ch;+ (NSArray *)toWadeGilesPinyinStringArrayWithChar:(unichar)ch;+ (NSArray *)toMPS2PinyinStringArrayWithChar:(unichar)ch;+ (NSArray *)toYalePinyinStringArrayWithChar:(unichar)ch;+ (NSArray *)convertToTargetPinyinStringArrayWithChar:(unichar)ch withPinyinRomanizationType:(NSString *)targetPinyinSystem;+ (NSArray *)toGwoyeuRomatzyhStringArrayWithChar:(unichar)ch;+ (NSArray *)convertToGwoyeuRomatzyhStringArrayWithChar:(unichar)ch;+ (NSString *)toHanyuPinyinStringWithNSString:(NSString *)str withHanyuPinyinOutputFormat:(HanyuPinyinOutputFormat *)outputFormat withNSString:(NSString *)seperater;+ (NSString *)getFirstHanyuPinyinStringWithChar:(unichar)ch withHanyuPinyinOutputFormat:(HanyuPinyinOutputFormat *)outputFormat;- (id)init;@end#endif PinyinHelper.m#include "ChineseToPinyinResource.h"#include "HanyuPinyinOutputFormat.h"#include "PinyinFormatter.h"#include "PinyinHelper.h"#define HANYU_PINYIN @"Hanyu"#define WADEGILES_PINYIN @"Wade"#define MPS2_PINYIN @"MPSII"#define YALE_PINYIN @"Yale"#define TONGYONG_PINYIN @"Tongyong"#define GWOYEU_ROMATZYH @"Gwoyeu"@implementation PinyinHelper+ (NSArray *)toHanyuPinyinStringArrayWithChar:(unichar)ch { return [PinyinHelper getUnformattedHanyuPinyinStringArrayWithChar:ch];}+ (NSArray *)toHanyuPinyinStringArrayWithChar:(unichar)ch withHanyuPinyinOutputFormat:(HanyuPinyinOutputFormat *)outputFormat { return [PinyinHelper getFormattedHanyuPinyinStringArrayWithChar:ch withHanyuPinyinOutputFormat:outputFormat];}+ (NSArray *)getFormattedHanyuPinyinStringArrayWithChar:(unichar)ch withHanyuPinyinOutputFormat:(HanyuPinyinOutputFormat *)outputFormat { NSMutableArray *pinyinStrArray =[NSMutableArray arrayWithArray:[PinyinHelper getUnformattedHanyuPinyinStringArrayWithChar:ch]]; if (nil != pinyinStrArray) { for (int i = 0; i < (int) [pinyinStrArray count]; i++) { [pinyinStrArray replaceObjectAtIndex:i withObject:[PinyinFormatter formatHanyuPinyinWithNSString: [pinyinStrArray objectAtIndex:i]withHanyuPinyinOutputFormat:outputFormat]]; } return pinyinStrArray; } else return nil;}+ (NSArray *)getUnformattedHanyuPinyinStringArrayWithChar:(unichar)ch { return [[ChineseToPinyinResource getInstance] getHanyuPinyinStringArrayWithChar:ch];}+ (NSArray *)toTongyongPinyinStringArrayWithChar:(unichar)ch { return [PinyinHelper convertToTargetPinyinStringArrayWithChar:ch withPinyinRomanizationType: TONGYONG_PINYIN];}+ (NSArray *)toWadeGilesPinyinStringArrayWithChar:(unichar)ch { return [PinyinHelper convertToTargetPinyinStringArrayWithChar:ch withPinyinRomanizationType: WADEGILES_PINYIN];}+ (NSArray *)toMPS2PinyinStringArrayWithChar:(unichar)ch { return [PinyinHelper convertToTargetPinyinStringArrayWithChar:ch withPinyinRomanizationType: MPS2_PINYIN];}+ (NSArray *)toYalePinyinStringArrayWithChar:(unichar)ch { return [PinyinHelper convertToTargetPinyinStringArrayWithChar:ch withPinyinRomanizationType: YALE_PINYIN];}+ (NSArray *)convertToTargetPinyinStringArrayWithChar:(unichar)ch withPinyinRomanizationType:(NSString *)targetPinyinSystem { NSArray *hanyuPinyinStringArray = [PinyinHelper getUnformattedHanyuPinyinStringArrayWithChar:ch]; if (nil != hanyuPinyinStringArray) { NSMutableArray *targetPinyinStringArray = [NSMutableArray arrayWithCapacity:hanyuPinyinStringArray.count]; for (int i = 0; i < (int) [hanyuPinyinStringArray count]; i++) { } return targetPinyinStringArray; } else return nil;}+ (NSArray *)toGwoyeuRomatzyhStringArrayWithChar:(unichar)ch { return [PinyinHelper convertToGwoyeuRomatzyhStringArrayWithChar:ch];}+ (NSArray *)convertToGwoyeuRomatzyhStringArrayWithChar:(unichar)ch { NSArray *hanyuPinyinStringArray = [PinyinHelper getUnformattedHanyuPinyinStringArrayWithChar:ch]; if (nil != hanyuPinyinStringArray) { NSMutableArray *targetPinyinStringArray =[NSMutableArray arrayWithCapacity:hanyuPinyinStringArray.count]; for (int i = 0; i < (int) [hanyuPinyinStringArray count]; i++) { } return targetPinyinStringArray; } else return nil;}+ (NSString *)toHanyuPinyinStringWithNSString:(NSString *)str withHanyuPinyinOutputFormat:(HanyuPinyinOutputFormat *)outputFormat withNSString:(NSString *)seperater { NSMutableString *resultPinyinStrBuf = [[NSMutableString alloc] init]; for (int i = 0; i < str.length; i++) { NSString *mainPinyinStrOfChar = [PinyinHelper getFirstHanyuPinyinStringWithChar:[str characterAtIndex:i] withHanyuPinyinOutputFormat:outputFormat]; if (nil != mainPinyinStrOfChar) { [resultPinyinStrBuf appendString:mainPinyinStrOfChar]; if (i != [str length] - 1) { [resultPinyinStrBuf appendString:seperater]; } } else { [resultPinyinStrBuf appendFormat:@"%C",[str characterAtIndex:i]]; } } return resultPinyinStrBuf;}+ (NSString *)getFirstHanyuPinyinStringWithChar:(unichar)ch withHanyuPinyinOutputFormat:(HanyuPinyinOutputFormat *)outputFormat { NSArray *pinyinStrArray = [PinyinHelper getFormattedHanyuPinyinStringArrayWithChar:ch withHanyuPinyinOutputFormat:outputFormat]; if ((nil != pinyinStrArray) && ((int) [pinyinStrArray count] > 0)) { return [pinyinStrArray objectAtIndex:0]; } else { return nil; }}- (id)init { return [super init];}@end九、unicode_to_hanyu_pinyin.txt文件下载-----》http://pan.baidu.com/s/1mhVQ52g 提取密码5tui阅读全文
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