OC - 读歌词

来源：互联网发布：linux 删除u盘编辑：程序博客网时间：2024/04/29 21:04

类的头文件：

#import<Foundation/Foundation.h>

//FILE_PATH是文件名，

#define FILE_PATH @"/Users/qianfeng/Desktop/FilePath/等妹有钱了.txt"

@interface QFLrcItem :NSObject

{

NSString *_time;

NSString *_lrc;

}

-(void)printTime;

-(void)printLrc;

-(void)setTime:(NSString *)newTime;

-(void)setLrc:(NSString *)newLrc;

-(NSString *)getLrc;

-(NSString *)getTime;

-(id)initWithsetsize;

-(void)test;

-(NSString *)getFile;

-(float)getwithTime:(NSString*)timestr;

@end

类的实现.m文件

#import"QFLrcItem.h"

@implementation QFLrcItem

-(void)printTime{NSLog(@"time:%@",_time);}

-(void)printLrc{NSLog(@"Lrc:%@",_lrc);}

-(id)initWithsetsize{

_lrc = [NSStringalloc];

_time = [NSStringalloc];

return self;

}

-(void)test{

NSString *str = [NSStringstringWithContentsOfFile:FILE_PATHencoding:NSUTF8StringEncodingerror:nil];

NSLog(@"歌词是：\n %@",str);

}

-(NSString *)getLrc{return_lrc;}

-(NSString *)getTime{return_time;}

-(NSString *)getFile{

NSString *lrc = [NSStringstringWithContentsOfFile:FILE_PATHencoding:NSUTF8StringEncodingerror:nil];

return lrc;

}

-(void)setTime:(NSString *)newTime{_time = newTime;}

-(void)setLrc:(NSString *)newLrc{_lrc = newLrc;}

-(float)getwithTime:(NSString*)timestr{

float time;

float mit,sed,hao;

NSString *flag = @"";

//提取时间单位：分钟

flag = [timestrsubstringWithRange:NSMakeRange(1,2)];

mit = [flagfloatValue];

//提取时间单位：秒

flag = [timestrsubstringWithRange:NSMakeRange(4,2)];

sed = [flagfloatValue];

//提取时间单位：毫秒

flag = [timestrsubstringWithRange:NSMakeRange(7,2)];

hao = [flagfloatValue];

//歌词出现的时间点：time

time = (mit*60+sed+hao/100);

NSLog(@"mit = %f",mit);

NSLog(@"sed = %f",sed);

NSLog(@"hao = %f",hao);

NSLog(@"sum = %f",time);

return time;

}

@end

main文件：

#import<Foundation/Foundation.h>

#import"QFLrcItem.h"

int main(int argc,const char * argv[])

{

@autoreleasepool {

NSArray *time_lrc = [NSArray arrayWithObject:@""];

QFLrcItem *item = [[QFLrcItem alloc] init];

NSString *FileStr = [item getFile];

//歌词初步装入数组中：

NSArray *array = [FileStr componentsSeparatedByString:@"\n"];

int count = 0;

for (id obj in array) {

//跳过前四行，留着后面单独处理。

if (count<4) {

}

else{

QFLrcItem *newitem = [[QFLrcItem alloc] init];

NSString *flag = obj;

[newitem setTime:[flag substringToIndex:10]];

[newitem setLrc:[flag substringFromIndex:10]];

time_lrc = [time_lrcarrayByAddingObject:newitem];

}

count++;

}

//单独处理前面四行，（因为前面四行没有时间）

NSString * str1 =@"等妹有了钱\n王振州\n 等我有了钱 \n 王振州 \n";

NSLog(@"%@",str1);

float passtime = 0;

float nowtime = 4.5;

count = 0;

for (id obj in time_lrc) {

if (count==0) {

count++;

continue;

}

nowtime = [obj getwithTime:[obj getTime]];

//暂停时间：

float stoptime = nowtime - passtime;

NSLog(@"stoptime = %f秒",stoptime);

[obj printTime];

sleep(stoptime);

[obj printLrc];

passtime = nowtime;

}

return0;

}

歌词文件：格式txt

[ti:等妹有了钱]
[ar:王振州] [al:等我有了钱]
[ar:王振州]

[00:04.50]等妹有了钱
[00:07.17]歌词编写：王振州
[00:11.05]QQ:1259039029
[00:13.17]
[01:32.97]他们都说妹很傻妹下班就回家
[01:36.19]其实妹是月光族挣钱不够花
[01:40.26]早出晚归忙工作不敢去酒吧
[01:43.58]帅哥都会嫌弃妹不接妹电话
[01:47.26]
[01:47.69]妹年纪越来越大了还是没人嫁
[01:50.99]二十好几没老公急坏了爸妈
[01:54.60]日子天天在挣扎没什么变化
[01:58.35]活着到底为什么越想越害怕
[02:02.05]
[02:02.51]等妹有了钱妹想花妹就花
[02:06.13]抽烟抽中华吃饭妹点大虾
[02:09.88]等妹有了钱妹什么都不怕
[02:13.56]开车开宝马购物妹上燕莎
[02:17.02]
[02:17.32]等妹有了钱妹天天去潇洒
[02:20.92]早上喝早茶晚上妹泡酒吧
[02:24.61]等妹有了钱帅哥就一大把
[02:28.34]谁不喜欢妹妹一定踹了她
[02:31.97]
[03:02.11]他们都说妹很傻妹下班就回家
[03:04.88]其实妹是月光族挣钱不够花
[03:09.01]早出晚归忙工作不敢去酒吧
[03:12.64]帅哥都会嫌弃妹不接妹电话
[03:15.90]
[03:16.29]妹年纪越来越大了还是没人嫁
[03:20.01]二十好几没老公急坏了爸妈
[03:23.91]日子天天在挣扎没什么变化
[03:27.47]活着到底为什么越想越害怕
[03:30.84]
[03:31.21]等妹有了钱妹想花妹就花
[03:34.69]抽烟抽中华吃饭妹点大虾
[03:38.33]等妹有了钱妹什么都不怕
[03:42.09]开车开宝马购物妹上燕莎
[03:45.65]
[03:45.98]等妹有了钱妹天天去潇洒
[03:49.59]早上喝早茶晚上妹泡酒吧
[03:53.36]等妹有了钱帅哥就一大把
[03:56.90]谁不喜欢妹妹一定踹了她
[04:00.23]歌词编写：王振州QQ:1259039029
[05:30.34]

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