1. 網頁上的視頻怎麼下載
需要工具：電腦、瀏覽器
一、首先，我們打開一個視頻網頁，如圖
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二、在頁面內按"F12"或者點擊右上角的：三個點-更多工具-開發者工具
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三、就可以看到如圖的網頁源代碼了
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四、此時需要點擊「sourece」，然後在右邊的文件欄裡面挨著挨著點開尋找，找到如圖的這種代碼；
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五、這種代碼以「 src="」，其後是以「http:」開始的一個類似網址的鏈接，鏈接以「.swf」結尾，整個這個鏈接就是我們要的視頻在伺服器上的儲存地址
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六、復制這個鏈接到瀏覽器打開或者到你的下載軟體中打開，就可以下載網頁中的視頻了
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2. 如何從網頁上下載前綴是https視頻
http和httpss是兩種不同的協議，如果網頁使用https，是用了ssl加密的方式打開網頁，所以不能去掉https，如果去掉https，默認的協議是http，就無法正常打開經過ssl加密的網頁了
3. 有什麼辦法可以把網頁上面不能下載的視頻弄下來
可以通過網頁視頻的源代碼網址進行下載，具體步驟如下：
1、首先打開一個視頻網頁點擊右上角的：三個點-更多工具-開發者工具，如圖所示：
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2、然後選擇SOURCES，如下圖所示：
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3、選擇後可以看到網頁源代碼，如下圖所示：
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4、此然後在右邊的文件欄裡面挨著挨著點開尋找，找到以「 src=」開頭的代碼，如下圖所示：
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5、以「 src="」，其後是以「http:」的鏈接，鏈接以「.swf」結尾就是我們要的視頻在伺服器上的儲存地址，如下圖所示：
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六、復制這個鏈接到瀏覽器打開或者到你的下載軟體中打開，就可以下載網頁中的視頻了，如下圖所示：
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4. 網頁中的視頻怎麼下載下來啊求助！
1.把你看的視頻先緩沖完或者看完也可以。
2.點擊網頁最上面一攔的「工具」，然後找到「Internet選項」。
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打開工具——Internet選項
3.點擊「Internet選項」，找到「設置」。
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打開選項
4.單擊「設置」，出現下面這樣的圖框，找到「查看文件」。
5.點擊「查看文件」，並在出現的圖框內滑鼠右鍵單擊——排列圖片(I)——大小
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查看文件
6.由於視頻文件比較大，會排在最前面。找到視頻文件，直接拉到桌面上就行了。視頻文件一般是FLV，MP4格式的，如下面的粉紅色框內就是視頻文件，不要找錯了。接下里就進行網頁視頻下載了。
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找FLV視頻文件
7.到此基本上完畢。FLV格式的文件MP4/MP5有的能放出來有的放不出來，建議在轉換一下格式，轉換成高清格式(rmvb，mp4)的。手機轉換成3GP格式。推薦轉換器：抓抓影音伴侶。小編覺得很好用，強烈推薦，如果下載轉換器請到官網進行下載。
5. http://www.youku.com/playlist_show/id_16609406.html加密視頻咋下載
首先注冊一個優酷賬號，然後打開那個加密視頻，地址應該是http://v.youku。****，你吧v後面加上xia，變成http://v.xiayouku****，這樣應該可以下載，在彈出對話框中輸入你的賬號和密碼，然後下載試試吧……