汉语转汉语拼音（排序分组）

使用及效果

CNPinYinModel *model = [CNPinYinObject transformCNPinYinText:@"深圳市" toneType:CNPinYinToneTypeDefalut alphabetType:CNPinYinTypeDefalut hasPrefix:NO];
    NSLog(@"深圳市 --> %@", model.valueAlphabet);
    model = [CNPinYinObject transformCNPinYinText:@"深圳市" toneType:CNPinYinToneTypeDefalut alphabetType:CNPinYinTypeUpper hasPrefix:NO];
    NSLog(@"深圳市 --> %@", model.valueAlphabet);
    model = [CNPinYinObject transformCNPinYinText:@"深圳市" toneType:CNPinYinToneTypeDefalut alphabetType:CNPinYinTypeCapitalized hasPrefix:NO];
    NSLog(@"深圳市 --> %@", model.valueAlphabet);
    model = [CNPinYinObject transformCNPinYinText:@"深圳市" toneType:CNPinYinToneTypeDefalut alphabetType:CNPinYinTypeDefalut hasPrefix:YES];
    NSLog(@"深圳市 --> %@", model.valueAlphabet);
    model = [CNPinYinObject transformCNPinYinText:@"深圳市" toneType:CNPinYinToneTypeWithout alphabetType:CNPinYinTypeDefalut hasPrefix:NO];
    NSLog(@"深圳市 --> %@", model.valueAlphabet);
    model = [CNPinYinObject transformCNPinYinText:@"深圳市" toneType:CNPinYinToneTypeWithout alphabetType:CNPinYinTypeDefalut hasPrefix:YES];
    NSLog(@"深圳市 --> %@", model.valueAlphabet);
    
    NSLog(@"----------------------------");
    
    NSArray *citys = @[@"广东", @"广西", @"湖南", @"湖北", @"福建", @"河南", @"河北", @"山西", @"山东", @"江西"];
    NSArray *result = [CNPinYinObject transformCNPinYinArray:citys toneType:CNPinYinToneTypeDefalut alphabetType:CNPinYinTypeDefalut hasPrefix:NO];
    for (CNPinYinModel *model in result) {
        NSLog(@"%@ --> %@", model.valueCN, model.valueAlphabet);
    }
    
    NSLog(@"----------------------------");
    
    result = [CNPinYinObject transformCNPinYinSeparatedArray:citys alphabetType:CNPinYinTypeUpper hasPrefix:YES group:YES];
    for (CNPinYinModel *model in result) {
        NSLog(@"key --> %@", model.sortKey);
        for (CNPinYinModel *subModel in model.sortArray) {
            NSLog(@"%@ --> %@", subModel.valueCN, subModel.valueAlphabet);
        }
    }

2018-08-09 13:47:57.814702+0800 demo[2772:111288] 深圳市 --> shēn zhèn shì
2018-08-09 13:47:57.815085+0800 demo[2772:111288] 深圳市 --> SHĒN ZHÈN SHÌ
2018-08-09 13:47:57.815362+0800 demo[2772:111288] 深圳市 --> Shēn Zhèn Shì
2018-08-09 13:47:57.815612+0800 demo[2772:111288] 深圳市 --> s
2018-08-09 13:47:57.816499+0800 demo[2772:111288] 深圳市 --> shen zhen shi
2018-08-09 13:47:57.818258+0800 demo[2772:111288] 深圳市 --> s
2018-08-09 13:47:57.818407+0800 demo[2772:111288] ----------------------------
2018-08-09 13:47:57.819840+0800 demo[2772:111288] 广东 --> guǎng dōng
2018-08-09 13:47:57.820003+0800 demo[2772:111288] 广西 --> guǎng xī
2018-08-09 13:47:57.820132+0800 demo[2772:111288] 湖南 --> hú nán
2018-08-09 13:47:57.820235+0800 demo[2772:111288] 湖北 --> hú běi
2018-08-09 13:47:57.820347+0800 demo[2772:111288] 福建 --> fú jiàn
2018-08-09 13:47:57.820459+0800 demo[2772:111288] 河南 --> hé nán
2018-08-09 13:47:57.820624+0800 demo[2772:111288] 河北 --> hé běi
2018-08-09 13:47:57.820733+0800 demo[2772:111288] 山西 --> shān xī
2018-08-09 13:47:57.820865+0800 demo[2772:111288] 山东 --> shān dōng
2018-08-09 13:47:57.820975+0800 demo[2772:111288] 江西 --> jiāng xī
2018-08-09 13:47:57.846621+0800 demo[2772:111288] ----------------------------
2018-08-09 13:47:57.860407+0800 demo[2772:111288] key --> F
2018-08-09 13:47:57.861055+0800 demo[2772:111288] 福建 --> F
2018-08-09 13:47:57.861327+0800 demo[2772:111288] key --> G
2018-08-09 13:47:57.861524+0800 demo[2772:111288] 广东 --> G
2018-08-09 13:47:57.861688+0800 demo[2772:111288] 广西 --> G
2018-08-09 13:47:57.863077+0800 demo[2772:111288] key --> H
2018-08-09 13:47:57.863629+0800 demo[2772:111288] 湖南 --> H
2018-08-09 13:47:57.865070+0800 demo[2772:111288] 湖北 --> H
2018-08-09 13:47:57.865256+0800 demo[2772:111288] 河南 --> H
2018-08-09 13:47:57.865387+0800 demo[2772:111288] 河北 --> H
2018-08-09 13:47:57.865489+0800 demo[2772:111288] key --> J
2018-08-09 13:47:57.865695+0800 demo[2772:111288] 江西 --> J
2018-08-09 13:47:57.866019+0800 demo[2772:111288] key --> S
2018-08-09 13:47:57.866618+0800 demo[2772:111288] 山西 --> S
2018-08-09 13:47:57.866907+0800 demo[2772:111288] 山东 --> S

实现代码

• 接口文件

#import 
@class CNPinYinModel;

/// 汉字转拼单音调类型
typedef NS_ENUM(NSInteger, CNPinYinToneType) {
    /// 有音调
    CNPinYinToneTypeDefalut = 0,
    /// 无音调
    CNPinYinToneTypeWithout = 1
};

/// 汉字转拼音大小写类型
typedef NS_ENUM(NSInteger, CNPinYinType)
{
    /// 小写
    CNPinYinTypeDefalut = 0,
    /// 大写
    CNPinYinTypeUpper = 1,
    /// 首字母大写
    CNPinYinTypeCapitalized = 2
};

@interface CNPinYinObject : NSObject

/// 汉语转汉语拼音（字符串转换），只要首拼
+ (CNPinYinModel *)transformCNPinYinText:(NSString *)chinese toneType:(CNPinYinToneType)toneType alphabetType:(CNPinYinType)alphabetType hasPrefix:(BOOL)isTrue;

/// 汉语转汉语拼音（数据字符串转换）
+ (NSArray *)transformCNPinYinArray:(NSArray *)chineseArray toneType:(CNPinYinToneType)toneType alphabetType:(CNPinYinType)alphabetType hasPrefix:(BOOL)isTrue;

/// 汉语转汉语拼音（数据字符串转换-按拼音排序），是否分组（若分组则只有一个首拼）
+ (NSArray *)transformCNPinYinSeparatedArray:(NSArray *)chineseArray alphabetType:(CNPinYinType)type hasPrefix:(BOOL)isTrue group:(BOOL)isGrouping;

@end


@interface CNPinYinModel : NSObject

/// 分组时的分组标题
@property (nonatomic, strong) NSString *sortKey;
/// 分组时的分组数组
@property (nonatomic, strong) NSArray *sortArray;

@property (nonatomic, strong) NSString *valueCN;
@property (nonatomic, strong) NSString *valueAlphabet;

@end

• 实现文件

#import "CNPinYinObject.h"

@implementation CNPinYinObject

// 汉语转汉语拼音（字符串转换），只要首拼
+ (CNPinYinModel *)transformCNPinYinText:(NSString *)chinese toneType:(CNPinYinToneType)toneType alphabetType:(CNPinYinType)alphabetType hasPrefix:(BOOL)isTrue
{
    NSMutableString *pinyin = [chinese mutableCopy];
    //
    // 带音标kCFStringTransformMandarinLatin
    CFStringTransform((__bridge CFMutableStringRef)pinyin, NULL, kCFStringTransformMandarinLatin, NO);
    if (toneType == CNPinYinToneTypeWithout) {
        // 无音标kCFStringTransformStripCombiningMarks
        CFStringTransform((__bridge CFMutableStringRef)pinyin, NULL, kCFStringTransformStripCombiningMarks, NO);
    }
    //
    if (alphabetType == CNPinYinTypeDefalut) {
        pinyin = (NSMutableString *)[pinyin lowercaseString];
    } else if (alphabetType == CNPinYinTypeUpper) {
        pinyin = (NSMutableString *)[pinyin uppercaseString];
    } else if (alphabetType == CNPinYinTypeCapitalized) {
        pinyin = (NSMutableString *)[pinyin capitalizedString];
    }
    //
    if (isTrue) {
        if (pinyin.length > 0) {
            pinyin = (NSMutableString *)[pinyin substringWithRange:NSMakeRange(0, 1)];
        }
    }
    CNPinYinModel *model = [CNPinYinModel new];
    model.valueCN = chinese;
    model.valueAlphabet = pinyin;
    return model;
}

// 汉语转汉语拼音（数据字符串转换）
+ (NSArray *)transformCNPinYinArray:(NSArray *)chineseArray toneType:(CNPinYinToneType)toneType alphabetType:(CNPinYinType)alphabetType hasPrefix:(BOOL)isTrue
{
    NSMutableArray *results = [[NSMutableArray alloc] init];
    for (NSString *chinese in chineseArray) {
        CNPinYinModel *model = [self transformCNPinYinText:chinese toneType:toneType alphabetType:alphabetType hasPrefix:isTrue];
        [results addObject:model];
    }
    return results;
}

// 汉语转汉语拼音（数据字符串转换-按拼音排序），是否分组（若分组则只有一个首拼）
+ (NSArray *)transformCNPinYinSeparatedArray:(NSArray *)chineseArray alphabetType:(CNPinYinType)type hasPrefix:(BOOL)isTrue group:(BOOL)isGrouping
{
    BOOL hasPrefix = isTrue;
    if (isGrouping) {
        hasPrefix = YES;
    }
    NSArray *results = [self transformCNPinYinArray:chineseArray toneType:CNPinYinToneTypeWithout alphabetType:type hasPrefix:hasPrefix];
    // ascending:YES 代表升序 如果为NO 代表降序
    NSSortDescriptor *sort = [NSSortDescriptor sortDescriptorWithKey:@"valueAlphabet" ascending:YES];
    results = [[results sortedArrayUsingDescriptors:@[sort]] mutableCopy];
    //
    if (isGrouping) {
        NSMutableArray *groups = [[NSMutableArray alloc] init];
        for (int i = 0; i < results.count; ) {
            NSMutableArray *grounpsTmp = [[NSMutableArray alloc] init];
            CNPinYinModel *model = results[i];
            [grounpsTmp addObject:model];
            int j = i + 1;
            int length = 1;
            while (j < results.count && ([[results[j] valueAlphabet] isEqualToString:model.valueAlphabet])) {
                [grounpsTmp addObject:results[j]];
                j++;
                length++;
            }
            i += length;
            //
            CNPinYinModel *modelSuper = [CNPinYinModel new];
            modelSuper.sortKey = model.valueAlphabet;
            modelSuper.sortArray = grounpsTmp;
            [groups addObject:modelSuper];
        }
        results = groups;
    }
    return results;
}

@end


@implementation CNPinYinModel

@end