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畢業(yè)設(shè)計(jì)-基于java的mp3播放器的設(shè)計(jì)與實(shí)現(xiàn)(參考版)

2025-01-16 02:25本頁面
  

【正文】 t. Baumgartner still will free fall at a speed that would cause you and me to pass out, and no parachute is guaranteed to work higher than 25,000 feet (7,620 meters). cause there 。ll be traveling fast, so despite the distance, it will not be like diving into the deep end of a pool. It will be like he is diving into the shallow end. Skydiver preps for the big jump When he jumps, he is expected to reach the speed of sound 690 mph (1,110 kph) in less than 40 seconds. Like hitting the top of the water, he will begin to slow as he approaches the more dense air closer to Earth. But this will not be enough to stop him pletely. If he goes too fast or spins out of control, he has a stabilization parachute that can be deployed to slow him down. His team hopes it39。突然想到那件藍(lán)格子襯衫;那些被折成各種各樣形狀的信紙;那段從街角深巷伊始的友誼;還有那場(chǎng)還沒有開始就宣告了終結(jié)的邂逅計(jì)劃 …… 那些年那些天的非做不可,終于和青春一樣,都將在我們的人生中謝幕。 Have declared the end of the encounter that haven39。 Those were broken into various shapes of stationery。那些曾經(jīng)所謂的非做不可,只是青蔥年華里自己給自己注射的一支強(qiáng)心劑,或者說,是自以為是的精神寄托罷了。也曾經(jīng)好像已經(jīng)下定了決心去做某 件事,但更多的時(shí)候是最后又打起了退堂鼓。s time, your ideas are always special to clear. Want, want, line is clear, as if nothing could shake his. Also once seemed to be determined to do something, but more often is he backed out at last. Dislike his cowardice, finally found that there are a lot of love, there are a lot of miss, like shadow really have been doomed. Those who do, just green years oneself give oneself an arm injection, or is a selfrighteous spiritual. 一個(gè)人的時(shí)候,自己的想法總是特別地清晰。 Originally, this world, can produce a chemical reaction to an event, in addition to resolutely, have to do, and time. 原來,這個(gè)世界上,對(duì)某個(gè)事件能產(chǎn)生化學(xué)反應(yīng)的,除了非做不可的堅(jiān)決 ,還有,時(shí)間。t want to give vent to out your inner voice can be in the high school children of the feelings in a period, but was eventually infarction when graduation party in the throat, later again stood on the pitch he has sweat profusely, looked at his thrown a basketball hoops, suddenly found himself has already can39。t really grow up, it seems is not so important。 The end of our life, and can meet many things really do? 而窮盡我們的一生,又能遇到多少事情是真正地非做不可? During my childhood, think lucky money and new clothes are necessary for New Year, but as the advance of the age, will be more and more found that those things are optional。總覺 得自己自己似乎應(yīng)該去做點(diǎn)什么,或者寫點(diǎn)什么。 May be back in the past, to oneself the paranoid weird belief disillusionment, these days, my mind has been very messy, in my mind constantly. Always feel oneself should go to do something, or write something. Twenty years of life trajectory deeply shallow, suddenly feel something, do it. 一字開頭的年齡已經(jīng)到了尾聲。s actions. CSKA said they were surprised and disappointed by Toure39。s 21 win. Michel Platini, president of European football39。s Premier League match at Chelsea on Sunday. I am going to be at the match tomorrow and I have asked to meet Yaya Toure, he told BBC Sport. For me it39。s antiracism taskforce, is in London for the Football Association39。t charge you more than 35% of your pensation if you win the case. If you are thinking about signing up for a damagesbased agreement, you should make sure you39。t agree with the disciplinary action your employer has taken against you ? your employer dismisses you and you think that you have been dismissed unfairly. For more information about dismissal and unfair dismissal, see Dismissal. You can make a claim to an employment tribunal, even if you haven39。總體來說,通過本學(xué)期的畢業(yè)設(shè)計(jì),我在帶歌詞實(shí)時(shí)顯示的音頻播放器系統(tǒng)的開發(fā)、 Eclipse,Java 及 JMF 編程等方面有了一定的進(jìn)步,為以后從事更大型的軟件設(shè)計(jì)奠定了堅(jiān)實(shí)的基礎(chǔ)。 當(dāng)然,由于這是我第一次進(jìn)行多媒體系統(tǒng)的開發(fā)工作,所開發(fā)出來的系統(tǒng)不可避免地存在著一些不足,我會(huì)在今后的學(xué)習(xí)工作中逐步加以改進(jìn)。 首先,通過此播放器系統(tǒng)的設(shè)計(jì),我對(duì)于設(shè)計(jì)開發(fā)一個(gè)軟件系統(tǒng)的工作流程有了進(jìn)一步的認(rèn)識(shí),明白了軟件開發(fā)過程中各個(gè)階段的基本任務(wù),以及各個(gè)階段之間的聯(lián)系,明確了軟件開發(fā)中形成的文檔資料的重要性。但筆者還是設(shè)計(jì)實(shí)現(xiàn)了一個(gè)自制的帶歌詞實(shí)時(shí)顯示的音頻播放器,這不僅僅讓我學(xué)到了很多有關(guān)多媒體方面的知識(shí),還讓我了解到了如何去設(shè)計(jì),以及如何實(shí)現(xiàn)播放器的各種功能。 } nt = 60 * ((1, 3)) //分 + ((4, 6)) //秒 + ((7, 9)) / 。//讀取 LRC標(biāo)示時(shí)間 while (true) { try { s = ()。 歌詞控制模塊詳細(xì)設(shè)計(jì)與實(shí)現(xiàn) 歌詞控制模塊主要負(fù)責(zé)歌詞的加載,撤銷,歌詞的識(shí)別,以及重新繪制歌詞面板等 讀取 LRC文件成功后翻譯為兩個(gè)鏈表,一個(gè)是時(shí)間鏈表,一個(gè)是歌詞鏈表,二者一一對(duì)應(yīng),在后面的時(shí)間線程中每隔一秒檢查一次歌詞時(shí)間匹配 代碼如下: double ct = ().getSeconds()。 ()。 ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(file))。ObjectOutputStream 是一個(gè)專門用于對(duì)象序列化的類 3:用 ObjectOutputStream 提供的 writeObject()方法即可將對(duì)象序列化,轉(zhuǎn)換成字節(jié)序列,并將其發(fā)送到 OutputStream 所指代的媒介中。 序列化(即將播放列表保存) 1:要一個(gè)輸出目的,因此需要?jiǎng)?chuàng)建一個(gè) OutputStream 對(duì)象。//通過讀取的 128個(gè)字節(jié)信息獲取歌曲信息 } catch {? ..} }} 播放列表控制模塊詳細(xì)設(shè)計(jì)與實(shí)現(xiàn) 播放列表主要負(fù)責(zé)對(duì)列表的操作,如新建列表,刪除列表,載入列表,保存列表 ( 1) 打開函數(shù)文件 打開文件時(shí),要調(diào)用系統(tǒng)的文件選擇器,新建一個(gè) JFileChooser的對(duì)象并進(jìn)行一定的過濾,只能打開 .wav 和 .mp3 格式的文件,若用戶沒有取消選擇,則將文件或文件組添加到當(dāng)前列表 ( 2) 保存 /裝載列表函數(shù) 當(dāng)一對(duì)象創(chuàng)建之后,只要需要,他會(huì)一直存在下去,擔(dān)當(dāng)應(yīng)用程序結(jié)束,所有的對(duì)象都會(huì)走向消亡。 (data)。 } catch{? ..} if(().endsWith(.mp3)||().endsWith(.M
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