iOS漢字轉拼音第三方庫

PinYin4Objc是一個在git漢字轉拼音的開源庫，支持簡體和繁體中文。效率POAPinyin等其他庫要高，轉換庫也完整下面簡單介紹

實現原理

使用unicode_to_hanyu_pinyin.txt存儲漢字編碼相對應的拼音，以字典加載到內存中

 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];

當我們輸入漢字后，得到該漢字的編碼。下面圖為例。當我們點擊OK按鈕后

NSString *mainPinyinStrOfChar = [PinyinHelper getFirstHanyuPinyinStringWithChar:[str characterAtIndex:i] withHanyuPinyinOutputFormat:outputFormat];通過循環來生成漢字編碼

從字典中查詢key為“8F6C”的值為

取數組第一個就為拼音...

使用

1. 下載庫

2.引入頭文件 #import "PinYin4Objc.h"

3.創建拼音字符格式

HanyuPinyinOutputFormat *outputFormat=[[HanyuPinyinOutputFormat alloc] init];

格式包含ToneType，CharType，CaseType

typedef enum {
  ToneTypeWithToneNumber,//有音調數字，如PIN1
  ToneTypeWithoutTone,//無音調
  ToneTypeWithToneMark
}ToneType;

typedef enum {
    CaseTypeUppercase,//拼音大小
    CaseTypeLowercase// 拼音小寫
}CaseType;

typedef enum {
    VCharTypeWithUAndColon,
    VCharTypeWithV,
    VCharTypeWithUUnicode
}VCharType;

4.設置格式

[outputFormat setToneType:ToneTypeWithoutTone];

[outputFormat setVCharType:VCharTypeWithV];

[outputFormat setCaseType:CaseTypeLowercase];

5.調用toHanyuPinyinStringWithNSString:withHanyuPinyinOutputFormat:withNSString:outputBlock進行轉換

[PinyinHelper toHanyuPinyinStringWithNSString:sourceText withHanyuPinyinOutputFormat:outputFormat withNSString:@" " outputBlock:^(NSString *pinYin) 
{
      _outputTv.text=pinYin;

}];</pre> </div>
來自： http://www.cnblogs.com/salam/p/5126053.html