{"id":920251,"date":"2024-01-02T07:21:27","date_gmt":"2024-01-02T07:21:27","guid":{"rendered":"https:\/\/proxyelite.info\/targets\/selenium\/"},"modified":"2024-01-02T07:21:27","modified_gmt":"2024-01-02T07:21:27","slug":"selenium","status":"publish","type":"targets","link":"https:\/\/proxyelite.info\/vi\/targets\/selenium\/","title":{"rendered":"Selen"},"content":{"rendered":"<h2>Selen l\u00e0 g\u00ec?<\/h2>\n<p>Selenium l\u00e0 m\u1ed9t khung t\u1ef1 \u0111\u1ed9ng h\u00f3a m\u1ea1nh m\u1ebd v\u00e0 linh ho\u1ea1t th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c t\u00e1c v\u1ee5 ph\u00e2n t\u00edch v\u00e0 qu\u00e9t web. N\u00f3 cung c\u1ea5p m\u1ed9t b\u1ed9 th\u01b0 vi\u1ec7n v\u00e0 c\u00f4ng c\u1ee5 cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 chuy\u00ean gia d\u1eef li\u1ec7u t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng web theo ch\u01b0\u01a1ng tr\u00ecnh. Selenium c\u00f3 th\u1ec3 b\u1eaft ch\u01b0\u1edbc c\u00e1c t\u01b0\u01a1ng t\u00e1c c\u1ee7a con ng\u01b0\u1eddi v\u1edbi tr\u00ecnh duy\u1ec7t web, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu cho nhi\u1ec1u t\u00e1c v\u1ee5 li\u00ean quan \u0111\u1ebfn web.<\/p>\n<h3>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Selen:<\/h3>\n<ul>\n<li>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch gi\u1eefa nhi\u1ec1u tr\u00ecnh duy\u1ec7t: Selenium h\u1ed7 tr\u1ee3 nhi\u1ec1u tr\u00ecnh duy\u1ec7t web, bao g\u1ed3m Chrome, Firefox, Safari v\u00e0 Edge, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c t\u1eadp l\u1ec7nh qu\u00e9t ho\u1eb7c ki\u1ec3m tra web c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng kh\u00e1c nhau.<\/li>\n<li>H\u1ed7 tr\u1ee3 \u0111a ng\u00f4n ng\u1eef: Selenium cung c\u1ea5p h\u1ed7 tr\u1ee3 cho nhi\u1ec1u ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh, ch\u1eb3ng h\u1ea1n nh\u01b0 Python, Java, C# v\u00e0 Ruby, cho ph\u00e9p b\u1ea1n ch\u1ecdn ng\u00f4n ng\u1eef m\u00e0 b\u1ea1n c\u1ea3m th\u1ea5y tho\u1ea3i m\u00e1i nh\u1ea5t.<\/li>\n<li>T\u01b0\u01a1ng t\u00e1c linh ho\u1ea1t: V\u1edbi Selenium, b\u1ea1n c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n web nh\u01b0 n\u00fat, bi\u1ec3u m\u1eabu, menu th\u1ea3 xu\u1ed1ng, v.v., l\u00e0m cho n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u t\u00e1c v\u1ee5 t\u1ef1 \u0111\u1ed9ng h\u00f3a.<\/li>\n<li>Kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p: Selenium c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 th\u01b0 vi\u1ec7n kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 BeautifulSoup v\u00e0 Scrapy, \u0111\u1ec3 n\u00e2ng cao kh\u1ea3 n\u0103ng qu\u00e9t v\u00e0 ph\u00e2n t\u00edch c\u00fa ph\u00e1p web.<\/li>\n<\/ul>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng proxy trong Selenium<\/h2>\n<p>Proxy \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c n\u00e2ng cao ch\u1ee9c n\u0103ng v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a Selenium \u0111\u1ec3 qu\u00e9t v\u00e0 ph\u00e2n t\u00edch c\u00fa ph\u00e1p web. B\u1eb1ng c\u00e1ch \u0111\u1ecbnh tuy\u1ebfn c\u00e1c y\u00eau c\u1ea7u web c\u1ee7a b\u1ea1n th\u00f4ng qua m\u00e1y ch\u1ee7 proxy, b\u1ea1n s\u1ebd \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 l\u1ee3i \u00edch:<\/p>\n<h3>1. Xoay v\u00f2ng IP:<\/h3>\n<ul>\n<li>Proxy cho ph\u00e9p b\u1ea1n xoay \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00ecnh, khi\u1ebfn c\u00e1c trang web kh\u00f3 ph\u00e1t hi\u1ec7n v\u00e0 ch\u1eb7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng thu th\u1eadp th\u00f4ng tin c\u1ee7a b\u1ea1n. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch khi x\u1eed l\u00fd c\u00e1c trang web c\u00f3 c\u00e1c bi\u1ec7n ph\u00e1p ch\u1ed1ng sao ch\u00e9p nghi\u00eam ng\u1eb7t.<\/li>\n<\/ul>\n<h3>2. \u0110a d\u1ea1ng v\u1ec1 \u0111\u1ecba l\u00fd:<\/h3>\n<ul>\n<li>Proxy cho ph\u00e9p b\u1ea1n xu\u1ea5t hi\u1ec7n nh\u01b0 th\u1ec3 b\u1ea1n \u0111ang truy c\u1eadp web t\u1eeb c\u00e1c v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd kh\u00e1c nhau. \u0110i\u1ec1u n\u00e0y c\u00f3 gi\u00e1 tr\u1ecb khi b\u1ea1n c\u1ea7n d\u1eef li\u1ec7u t\u1eeb c\u00e1c trang web theo v\u00f9ng c\u1ee5 th\u1ec3 ho\u1eb7c mu\u1ed1n tr\u00e1nh c\u00e1c h\u1ea1n ch\u1ebf d\u1ef1a tr\u00ean v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd.<\/li>\n<\/ul>\n<h3>3. C\u00e2n b\u1eb1ng t\u1ea3i:<\/h3>\n<ul>\n<li>Proxy ph\u00e2n ph\u1ed1i c\u00e1c y\u00eau c\u1ea7u web c\u1ee7a b\u1ea1n tr\u00ean nhi\u1ec1u \u0111\u1ecba ch\u1ec9 IP, ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i c\u1ee7a m\u1ed9t IP. \u0110i\u1ec1u n\u00e0y gi\u00fap duy tr\u00ec lu\u1ed3ng d\u1eef li\u1ec7u \u1ed5n \u0111\u1ecbnh v\u00e0 gi\u1ea3m nguy c\u01a1 b\u1ecb c\u00e1c trang web \u0111i\u1ec1u ti\u1ebft ho\u1eb7c ch\u1eb7n.<\/li>\n<\/ul>\n<h3>4. \u1ea8n danh:<\/h3>\n<ul>\n<li>Proxy cung c\u1ea5p m\u1ed9t l\u1edbp \u1ea9n danh, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ho\u1ea1t \u0111\u1ed9ng thu th\u1eadp d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c gi\u1eef b\u00ed m\u1eadt. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng khi l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c ngu\u1ed3n d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m ho\u1eb7c ri\u00eang t\u01b0.<\/li>\n<\/ul>\n<h2>L\u00fd do s\u1eed d\u1ee5ng Proxy trong Selenium<\/h2>\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng proxy trong Selenium \u0111\u01b0a ra m\u1ed9t s\u1ed1 l\u00fd do thuy\u1ebft ph\u1ee5c:<\/p>\n<h3>1. Tr\u00e1nh c\u00e1c l\u1ec7nh c\u1ea5m v\u00e0 ch\u1eb7n IP:<\/h3>\n<ul>\n<li>C\u00e1c trang web th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c l\u1ec7nh c\u1ea5m v\u00e0 ch\u1eb7n IP \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u t\u1ef1 \u0111\u1ed9ng. Proxy cho ph\u00e9p b\u1ea1n b\u1ecf qua nh\u1eefng h\u1ea1n ch\u1ebf n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecba ch\u1ec9 IP kh\u00e1c nhau cho y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<h3>2. Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/h3>\n<ul>\n<li>Proxy cho ph\u00e9p b\u1ea1n m\u1edf r\u1ed9ng quy m\u00f4 ho\u1ea1t \u0111\u1ed9ng qu\u00e9t web c\u1ee7a m\u00ecnh b\u1eb1ng c\u00e1ch ph\u00e2n ph\u1ed1i y\u00eau c\u1ea7u tr\u00ean nhi\u1ec1u IP, t\u0103ng hi\u1ec7u qu\u1ea3 tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n<h3>3. Qu\u00e9t d\u1ef1a tr\u00ean v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd:<\/h3>\n<ul>\n<li>Proxy cho ph\u00e9p b\u1ea1n truy c\u1eadp d\u1eef li\u1ec7u t\u1eeb c\u00e1c trang web h\u1ea1n ch\u1ebf n\u1ed9i dung d\u1ef1a tr\u00ean v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd. B\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn proxy t\u1eeb c\u00e1c khu v\u1ef1c c\u1ee5 th\u1ec3 \u0111\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u theo khu v\u1ef1c c\u1ee5 th\u1ec3.<\/li>\n<\/ul>\n<h3>4. B\u1ea3o v\u1ec7 IP ch\u00ednh h\u00e3ng:<\/h3>\n<ul>\n<li>Vi\u1ec7c s\u1eed d\u1ee5ng proxy s\u1ebd b\u1ea3o v\u1ec7 \u0111\u1ecba ch\u1ec9 IP th\u1ef1c c\u1ee7a b\u1ea1n kh\u1ecfi b\u1ecb l\u1ed9 trong qu\u00e1 tr\u00ecnh qu\u00e9t web, gi\u1ea3m nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng m\u1ea1ng ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u00e1p l\u00fd.<\/li>\n<\/ul>\n<h2>Nh\u1eefng th\u00e1ch th\u1ee9c khi s\u1eed d\u1ee5ng proxy trong Selenium<\/h2>\n<p>M\u1eb7c d\u00f9 proxy mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch \u0111\u00e1ng k\u1ec3 nh\u01b0ng c\u0169ng c\u00f3 nh\u1eefng th\u00e1ch th\u1ee9c c\u1ea7n c\u00e2n nh\u1eafc khi s\u1eed d\u1ee5ng ch\u00fang v\u1edbi Selenium:<\/p>\n<h3>1. Ch\u1ea5t l\u01b0\u1ee3ng \u1ee7y nhi\u1ec7m:<\/h3>\n<ul>\n<li>Hi\u1ec7u qu\u1ea3 c\u1ee7a proxy ph\u1ee5 thu\u1ed9c v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a ch\u00fang. Proxy ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p ho\u1eb7c mi\u1ec5n ph\u00ed c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u00e1ng tin c\u1eady, d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i v\u00e0 gi\u00e1n \u0111o\u1ea1n trong ho\u1ea1t \u0111\u1ed9ng thu th\u1eadp d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n<h3>2. Ch\u1eb7n IP:<\/h3>\n<ul>\n<li>M\u1ed9t s\u1ed1 trang web r\u1ea5t gi\u1ecfi trong vi\u1ec7c ph\u00e1t hi\u1ec7n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp proxy v\u00e0 v\u1eabn c\u00f3 th\u1ec3 ch\u1eb7n c\u00e1c y\u00eau c\u1ea7u, \u0111\u00f2i h\u1ecfi ph\u1ea3i s\u1eed d\u1ee5ng proxy ch\u1ea5t l\u01b0\u1ee3ng cao, lu\u00e2n phi\u00ean.<\/li>\n<\/ul>\n<h3>3. Qu\u1ea3n l\u00fd proxy:<\/h3>\n<ul>\n<li>Vi\u1ec7c qu\u1ea3n l\u00fd m\u1ed9t nh\u00f3m proxy, \u0111\u1ea3m b\u1ea3o t\u00ednh kh\u1ea3 d\u1ee5ng c\u1ee7a ch\u00fang v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c lu\u00e2n chuy\u1ec3n ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 ph\u1ee9c t\u1ea1p v\u00e0 t\u1ed1n th\u1eddi gian.<\/li>\n<\/ul>\n<h2>T\u1ea1i sao ProxyElite l\u00e0 nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy t\u1ed1t nh\u1ea5t cho Selenium<\/h2>\n<p>Khi n\u00f3i \u0111\u1ebfn vi\u1ec7c ch\u1ecdn nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy cho Selenium, ProxyElite n\u1ed5i b\u1eadt l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao:<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>\u01afu \u0111i\u1ec3m c\u1ee7a ProxyElite<\/strong><\/th>\n<th><strong>S\u1ef1 mi\u00eau t\u1ea3<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nhi\u1ec1u lo\u1ea1i proxy ch\u1ea5t l\u01b0\u1ee3ng cao<\/td>\n<td>ProxyElite cung c\u1ea5p nhi\u1ec1u l\u1ef1a ch\u1ecdn proxy cao c\u1ea5p, \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i nhanh ch\u00f3ng v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/td>\n<\/tr>\n<tr>\n<td>\u0110a d\u1ea1ng v\u1ec1 \u0111\u1ecba l\u00fd<\/td>\n<td>B\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn t\u1eeb r\u1ea5t nhi\u1ec1u v\u1ecb tr\u00ed proxy, cho ph\u00e9p b\u1ea1n truy c\u1eadp d\u1eef li\u1ec7u t\u1eeb h\u1ea7u h\u1ebft m\u1ecdi n\u01a1i tr\u00ean th\u1ebf gi\u1edbi.<\/td>\n<\/tr>\n<tr>\n<td>Proxy lu\u00e2n phi\u00ean \u0111\u1ec3 qu\u00e9t kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n<\/td>\n<td>ProxyElite cung c\u1ea5p c\u00e1c proxy lu\u00e2n phi\u00ean t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n \u0111\u1ed5i \u0111\u1ecba ch\u1ec9 IP, ng\u0103n ch\u1eb7n c\u00e1c l\u1ec7nh c\u1ea5m v\u00e0 ch\u1eb7n.<\/td>\n<\/tr>\n<tr>\n<td>B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng<\/td>\n<td>V\u1edbi b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n tr\u1ef1c quan, vi\u1ec7c qu\u1ea3n l\u00fd proxy c\u1ee7a b\u1ea1n th\u1eadt d\u1ec5 d\u00e0ng, ph\u00f9 h\u1ee3p cho c\u1ea3 ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u00e0 chuy\u00ean gia.<\/td>\n<\/tr>\n<tr>\n<td>H\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng 24\/7<\/td>\n<td>ProxyElite cung c\u1ea5p h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng 24\/24, \u0111\u1ea3m b\u1ea3o b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1ea5t c\u1ee9 khi n\u00e0o b\u1ea1n c\u1ea7n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>T\u00f3m l\u1ea1i, Selenium l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 qu\u00e9t v\u00e0 ph\u00e2n t\u00edch c\u00fa ph\u00e1p web v\u00e0 khi k\u1ebft h\u1ee3p v\u1edbi proxy ch\u1ea5t l\u01b0\u1ee3ng cao t\u1eeb ProxyElite, b\u1ea1n c\u00f3 th\u1ec3 t\u1ed1i \u0111a h\u00f3a kh\u1ea3 n\u0103ng qu\u00e9t c\u1ee7a m\u00ecnh trong khi v\u01b0\u1ee3t qua c\u00e1c th\u00e1ch th\u1ee9c li\u00ean quan \u0111\u1ebfn l\u1ec7nh c\u1ea5m v\u00e0 ch\u1eb7n IP. S\u1eed d\u1ee5ng proxy v\u1edbi Selenium kh\u00f4ng ch\u1ec9 n\u00e2ng cao hi\u1ec7u qu\u1ea3 tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt v\u00e0 \u0111\u1ed9 tin c\u1eady cho ho\u1ea1t \u0111\u1ed9ng qu\u00e9t web c\u1ee7a b\u1ea1n. Ch\u1ecdn ProxyElite \u0111\u1ec3 khai th\u00e1c to\u00e0n b\u1ed9 ti\u1ec1m n\u0103ng c\u1ee7a Selenium cho nhu c\u1ea7u qu\u00e9t web c\u1ee7a b\u1ea1n.<\/p>","protected":false},"featured_media":920252,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"target-categories":[21],"class_list":["post-920251","targets","type-targets","status-publish","has-post-thumbnail","hentry","target-categories-web-scrapers"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/targets\/920251","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/targets"}],"about":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/types\/targets"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media\/920252"}],"wp:attachment":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media?parent=920251"}],"wp:term":[{"taxonomy":"target-categories","embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/target-categories?post=920251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}