【正文】 明，本 播放器 能夠流暢地運行，并能很好地實現(xiàn)各項功能 ， 并且有一定的容錯能力， 達到了設(shè)計預期的效果。 基于 Linux 的音樂播放器設(shè)計與實現(xiàn) 專 業(yè)： 計算機科學與技術(shù) 學 號： 學 生： 指導教師： 摘要： 作為一項與人們生活息息 相關(guān)的應用，音樂播放器在人們的生活中發(fā)揮著不可替代的作用。同時，本 播放器 在穩(wěn)定性、經(jīng)濟成本等方面都有不錯的表現(xiàn)。s GUI design. Phonon multimedia APIs is used for multimedia control and at last coded by C++ programming language. The music player has realized basic functions of ordinary music player, including 39。 function, 39。 function, 39。 function, 39。 function and so on. The testing results show that the player can run smoothly and realize all of functions mentioned before. The player is provided with fault tolerance as well. To sum up, the player achieves the design39。 Phonon I 目 錄 緒 論 .............................................................................................................................. 1 1 系統(tǒng)開發(fā)平臺介紹 ....................................................................................................... 2 Linux 簡介 .............................................................................................................. 2 Qt 介紹 ................................................................................................................... 3 集成開發(fā)環(huán)境 ........................................................................................................ 3 Phonon 簡介 ........................................................................................................... 4 2 系統(tǒng)分析 ..................................................................................................................... 5 播放器舉例 ........................................................................................................... 5 功能需求分析 ........................................................................................................ 5 基本功能 ......................................................................................................... 6 播放器基本設(shè)置 .............................................................................................. 6 快捷鍵設(shè)置 ...................................................................................................... 6 上下文菜單設(shè)置 .............................................................................................. 6 可行性分析 ........................................................................................................... 6 經(jīng)濟可行性 ...................................................................................................... 7 技術(shù)可行性 ...................................................................................................... 7 應用分析 ......................................................................................................... 7 總結(jié) ...................................................................................................................... 8 3 系統(tǒng)設(shè) 計 ..................................................................................................................... 9 Qt 信號與槽機制介紹 ............................................................................................. 9 信號 ................................................................................................................. 9 槽 .................................................................................................................. 10 信號與槽的關(guān)聯(lián) ............................................................................................ 11 Qt 信號和槽機制的優(yōu)點 ................................................................................. 11 函數(shù) .................................................................................................................... 12 II Phonon 媒體框架 ............................................................................................ 12 Qlist 容器類 .................................................................................................... 15 播放器的基本功能 .............................................................................................. 16 建立媒體對象 ................................................................................................ 16 播放控制 ....................................................................................................... 16 播放器設(shè)置 ......................................................................................................... 20 QSettings 介紹 ................................................................................................ 20 QSettings 的使用 ............................................................................................ 21 QSettings 的亂碼問題 ..................................................................................... 22 播放器界面設(shè)計 .................................................................................................. 22 設(shè)置背景 ....................................................................................................... 22 設(shè)置系統(tǒng)托盤圖標 ......................................................................................... 23 4 系統(tǒng)測試 ................................................................................................................... 24 測試介紹 ............................................................................................................. 24 軟件測試的目的 ............................................................................................ 24 測試的方法 .................................................................................................... 24 測試設(shè)計 .............................................................................................................. 25 添加文件 ....................................................................................................... 25 刪除歌曲 ....................................................................................................... 26 播放歌曲 .........................