// // WordManger.h // OC7_單詞個數 // // Created by zhangxueming on 15/6/17. // Copyright (c) 2015年 zhangxueming. All rights reserved. // #import <Foundation/Foundation.h>@interface WordManger : NSObject {NSMutableDictionary *_wordList; }- (id)initWithFile:(NSString *)path;- (void)parseWordFile:(NSString *)path;- (NSInteger)firstWordCountInArray:(NSString *)word withArray:(NSMutableArray *)mulArray;+ (void)userInterface; @end // // WordManger.m // OC7_單詞個數 // // Created by zhangxueming on 15/6/17. // Copyright (c) 2015年 zhangxueming. All rights reserved. // #import "WordManger.h"@implementation WordManger- (id)initWithFile:(NSString *)path {self = [super init];if (self) {_wordList = [NSMutableDictionary dictionary];[self parseWordFile:path];}return self; }- (void)parseWordFile:(NSString *)path {//讀取單詞文件NSString *fileContent = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];if (!fileContent) {return;}//分割字符串NSArray *words = [fileContent componentsSeparatedByCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@",. \n"]];NSMutableArray *mulWords = [NSMutableArray array];for (NSString *item in words) {if (![item isEqualToString:@""]) {[mulWords addObject:[item lowercaseString]];}}//統計單詞出現的次數, 并添加到字典中while ([mulWords count]) {NSString *key = [mulWords objectAtIndex:0];NSNumber *value = [NSNumber numberWithInteger:[self firstWordCountInArray:key withArray:mulWords]];[_wordList setObject:value forKey:key];[mulWords removeObject:key];} }- (NSInteger)firstWordCountInArray:(NSString *)word withArray:(NSMutableArray *)mulArray {NSInteger cnt =0;for (NSString *item in mulArray) {if ([item isEqualToString:word]) {cnt++;}}return cnt; }+ (void)userInterface {WordManger *manger = [[WordManger alloc] initWithFile:@"/Users/zhangxueming/Downloads/qfile-10.txt"];NSInteger cnt;scanf("%li",&cnt);NSLog(@"keys = %@", [manger->_wordList allKeysForObject:[NSNumber numberWithInteger:cnt]]); } @end // // main.m // OC7_單詞個數 // // Created by zhangxueming on 15/6/17. // Copyright (c) 2015年 zhangxueming. All rights reserved. // #import <Foundation/Foundation.h> #import "WordManger.h"int main(int argc, const char * argv[]) {@autoreleasepool {[WordManger userInterface];}return 0; }

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轉載于:https://www.cnblogs.com/0515offer/p/4584168.html

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