{"id":9197,"date":"2023-04-18T09:25:23","date_gmt":"2023-04-18T02:25:23","guid":{"rendered":"https:\/\/idconline.vn\/blog\/?p=9197"},"modified":"2023-04-18T09:27:15","modified_gmt":"2023-04-18T02:27:15","slug":"giai-quyet-typeerror-python-doi-tuong-giong-byte-khong-phai-str","status":"publish","type":"post","link":"https:\/\/idconline.vn\/blog\/giai-quyet-typeerror-python-doi-tuong-giong-byte-khong-phai-str\/","title":{"rendered":"Gi\u1ea3i quy\u1ebft TypeError Python: <em><mark>a byte-like object is required, not &#8216;str&#8217;<\/mark><\/em>"},"content":{"rendered":"\n<p><em>Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o gi\u1ea3i quy\u1ebft l\u1ed7i TypeError <font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Python<\/font><\/font>: a byte-like object is required, not &#8216;str&#8217; trong Python. L\u1ed7i n\u00e0y th\u01b0\u1eddng x\u1ea3y ra khi b\u1ea1n c\u1ed1 g\u1eafng s\u1eed d\u1ee5ng m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng chu\u1ed7i trong ch\u1ed7 c\u1ea7n m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng byte. Ch\u00fang t\u00f4i s\u1ebd tr\u00ecnh b\u00e0y c\u00e1c v\u00ed d\u1ee5 v\u00e0 gi\u1ea3i th\u00edch s\u1ef1 kh\u00e1c nhau \u0111\u1ec3 gi\u00fap b\u1ea1n hi\u1ec3u v\u00e0 kh\u1eafc ph\u1ee5c l\u1ed7i n\u00e0y.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1280\" height=\"579\" src=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/HBFDpaRgFAXp9sXoW0d6LL26mvh1-s093pni-1-1280x579.jpeg\" alt=\"\" class=\"wp-image-9199\" srcset=\"https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/HBFDpaRgFAXp9sXoW0d6LL26mvh1-s093pni-1-1280x579.jpeg 1280w, https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/HBFDpaRgFAXp9sXoW0d6LL26mvh1-s093pni-1-300x136.jpeg 300w, https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/HBFDpaRgFAXp9sXoW0d6LL26mvh1-s093pni-1-768x347.jpeg 768w, https:\/\/idconline.vn\/blog\/wp-content\/uploads\/2023\/04\/HBFDpaRgFAXp9sXoW0d6LL26mvh1-s093pni-1.jpeg 1400w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<div id=\"toc_container\" class=\"toc_white no_bullets\"><p class=\"toc_title\">M\u1ee5c l\u1ee5c<\/p><ul class=\"toc_list\"><li><a href=\"#Su_khac_biet_giua_chuoi_va_byte\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa chu\u1ed7i v\u00e0 byte<\/a><ul><li><a href=\"#Strings\">Strings<\/a><\/li><li><a href=\"#Bytes\">Bytes<\/a><\/li><\/ul><\/li><li><a href=\"#Giai_quyet_loi_TypeError_a_byte-like_object_is_required_not_8216str8217_trong_Python\">Gi\u1ea3i quy\u1ebft l\u1ed7i TypeError:  a byte-like object is required, not &#8216;str&#8217; trong Python<\/a><\/li><li><a href=\"#Vi_du_1_Doc_tep_duoi_dang_byte\">V\u00ed d\u1ee5 1: \u0110\u1ecdc t\u1ec7p d\u01b0\u1edbi d\u1ea1ng byte<\/a><ul><li><a href=\"#Ma_co_van_de\">M\u00e3 c\u00f3 v\u1ea5n \u0111\u1ec1<\/a><\/li><li><a href=\"#Giai_thich\">Gi\u1ea3i th\u00edch<\/a><\/li><li><a href=\"#Giai_phap\">Gi\u1ea3i ph\u00e1p<\/a><\/li><\/ul><\/li><li><a href=\"#Loi_2_Su_dung_thu_viennbspsocket\">L\u1ed7i 2: S\u1eed d\u1ee5ng th\u01b0 vi\u1ec7n&nbsp;socket<\/a><ul><li><a href=\"#Ma_co_van_de-2\">M\u00e3 c\u00f3 v\u1ea5n \u0111\u1ec1<\/a><\/li><li><a href=\"#Dau_ra\">\u0110\u1ea7u ra<\/a><\/li><li><a href=\"#Giai_thich-2\">Gi\u1ea3i th\u00edch<\/a><\/li><li><a href=\"#Giai_phap-2\">Gi\u1ea3i ph\u00e1p<\/a><\/li><\/ul><\/li><li><a href=\"#Loi_3_Ghi_byte_vao_tep\">L\u1ed7i 3: Ghi byte v\u00e0o t\u1ec7p<\/a><ul><li><a href=\"#Ma_co_van_de-3\">M\u00e3 c\u00f3 v\u1ea5n \u0111\u1ec1<\/a><\/li><li><a href=\"#Giai_thich-3\">Gi\u1ea3i th\u00edch<\/a><\/li><li><a href=\"#Giai_phap-3\">Gi\u1ea3i ph\u00e1p<\/a><\/li><\/ul><\/li><li><a href=\"#Cac_cau_hoi_thuong_gap_ve_TypeError\">C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 TypeError<\/a><ul><li><a href=\"#1_Lam_cach_nao_de_chuyen_doi_chuoi_thanh_byte_trong_Python\">1. L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i chu\u1ed7i th\u00e0nh byte trong Python?<\/a><\/li><li><a href=\"#2_Lam_cach_nao_de_chuyen_doi_byte_thanh_chuoi_trong_Python\">2. L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i byte th\u00e0nh chu\u1ed7i trong Python?<\/a><\/li><li><a href=\"#3_Khi_nao_toi_nen_su_dung_chuoi_va_khi_nao_toi_nen_su_dung_byte_trong_Python\">3. Khi n\u00e0o t\u00f4i n\u00ean s\u1eed d\u1ee5ng chu\u1ed7i v\u00e0 khi n\u00e0o t\u00f4i n\u00ean s\u1eed d\u1ee5ng byte trong Python?<\/a><\/li><\/ul><\/li><li><a href=\"#Ket_luan\">K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"Su_khac_biet_giua_chuoi_va_byte\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa chu\u1ed7i v\u00e0 byte<\/span><\/h2>\n\n\n\n<p>Tr\u01b0\u1edbc khi \u0111i s\u00e2u v\u00e0o c\u00e1c v\u00ed d\u1ee5,ch\u00fang ta ph\u1ea3i hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa chu\u1ed7i v\u00e0 byte trong Python.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"Strings\">Strings<\/span><\/h3>\n\n\n\n<p>Chu\u1ed7i l\u00e0 m\u1ed9t d\u00e3y c\u00e1c k\u00fd t\u1ef1 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong d\u1ea5u ngo\u1eb7c k\u00e9p (\u0111\u01a1n, k\u00e9p ho\u1eb7c ba). Trong Python, c\u00e1c chu\u1ed7i m\u1eb7c \u0111\u1ecbnh l\u00e0 Unicode. C\u00f3 ngh\u0129a l\u00e0 ch\u00fang c\u00f3 th\u1ec3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t lo\u1ea1t c\u00e1c k\u00fd t\u1ef1 t\u1eeb ng\u00f4n ng\u1eef v\u00e0 b\u1ea3ng ch\u1eef c\u00e1i kh\u00e1c nhau.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>bytes_example = b\"Hello, World!\"<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"Bytes\">Bytes<\/span><\/h3>\n\n\n\n<p>\u0110\u1ed1i t\u01b0\u1ee3ng bytes l\u00e0 m\u1ed9t chu\u1ed7i byte, l\u00e0 c\u00e1c gi\u00e1 tr\u1ecb s\u1ed1 nguy\u00ean n\u1eb1m trong kho\u1ea3ng t\u1eeb 0 \u0111\u1ebfn 255. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 bi\u1ec3u di\u1ec5n d\u1eef li\u1ec7u nh\u1ecb ph\u00e2n th\u00f4 ho\u1eb7c l\u00e0 m\u1ed9t c\u00e1ch \u0111\u1ec3 x\u1eed l\u00fd v\u0103n b\u1ea3n \u0111\u00e3 \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a. C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng byte l\u00e0 b\u1ea5t bi\u1ebfn v\u00e0 \u0111\u01b0\u1ee3c t\u1ea1o b\u1eb1ng h\u00e0m t\u1ea1o <code><mark style=\"background-color:#abb8c3\" class=\"has-inline-color\">bytes()<\/mark><\/code> ho\u1eb7c ti\u1ec1n t\u1ed1 b tr\u01b0\u1edbc d\u1ea5u ngo\u1eb7c k\u00e9p.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>bytes_example = b\"Hello, World!\"<\/code><\/pre>\n\n\n\n<p><strong>Xem Th\u00eam:<\/strong> <a href=\"https:\/\/idconline.vn\/blog\/top-15-ngon-ngu-backend-hang-dau-cho-nam-2023.html\" target=\"_blank\" rel=\"noreferrer noopener\"><em>Top 15 ng\u00f4n ng\u1eef Backend h\u00e0ng \u0111\u1ea7u cho n\u0103m 2023<\/em><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Giai_quyet_loi_TypeError_a_byte-like_object_is_required_not_8216str8217_trong_Python\">Gi\u1ea3i quy\u1ebft l\u1ed7i TypeError:  a byte-like object is required, not &#8216;str&#8217; trong Python<\/span><\/h2>\n\n\n\n<p>Ch\u00fang t\u00f4i s\u1ebd s\u1eed d\u1ee5ng c\u00e1ch ti\u1ebfp c\u1eadn v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p \u0111\u1ec3 gi\u1ea3i quy\u1ebft l\u1ed7i <code><mark style=\"background-color:#abb8c3\" class=\"has-inline-color\">TypeError <font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">Python<\/font><\/font>: a byte-like object is required, not 'str' error<\/mark><\/code>. B\u1eb1ng c\u00e1ch ki\u1ec3m tra c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c nhau m\u00e0 l\u1ed7i n\u00e0y c\u00f3 th\u1ec3 x\u1ea3y ra. Tr\u01b0\u1edbc ti\u00ean ch\u00fang t\u00f4i s\u1ebd x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 c\u1ee7a s\u1ef1 c\u1ed1 r\u1ed3i \u00e1p d\u1ee5ng gi\u1ea3i ph\u00e1p th\u00edch h\u1ee3p \u0111\u1ec3 kh\u1eafc ph\u1ee5c. Th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, ch\u00fang t\u00f4i mong mu\u1ed1n cung c\u1ea5p cho b\u1ea1n s\u1ef1 hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n v\u1ec1 v\u1ea5n \u0111\u1ec1. Qua \u0111\u00f3 gi\u00fap b\u1ea1n gi\u1ea3i quy\u1ebft hi\u1ec7u qu\u1ea3 c\u00e1c l\u1ed7i t\u01b0\u01a1ng t\u1ef1 trong m\u00e3 Python c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Vi_du_1_Doc_tep_duoi_dang_byte\">V\u00ed d\u1ee5 1: \u0110\u1ecdc t\u1ec7p d\u01b0\u1edbi d\u1ea1ng byte<\/span><\/h2>\n\n\n\n<p>M\u1ed9t t\u00ecnh hu\u1ed1ng ph\u1ed5 bi\u1ebfn x\u1ea3y ra l\u1ed7i n\u00e0y l\u00e0 khi b\u1ea1n c\u1ed1 \u0111\u1ecdc m\u1ed9t t\u1ec7p d\u01b0\u1edbi d\u1ea1ng byte. Nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 l\u1ea1i v\u00f4 t\u00ecnh \u0111\u1ecdc n\u00f3 d\u01b0\u1edbi d\u1ea1ng m\u1ed9t chu\u1ed7i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"Ma_co_van_de\">M\u00e3 c\u00f3 v\u1ea5n \u0111\u1ec1<\/span><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>with open(\"example.txt\", \"r\") as file:\n    content = file.read()\n    print(content)<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"Giai_thich\">Gi\u1ea3i th\u00edch<\/span><\/h3>\n\n\n\n<p>Trong v\u00ed d\u1ee5 n\u00e0y, t\u1ec7p \u0111\u01b0\u1ee3c m\u1edf \u1edf ch\u1ebf \u0111\u1ed9 v\u0103n b\u1ea3n (&#8220;r&#8221;). N\u00f3 c\u00f3 ngh\u0129a l\u00e0 n\u1ed9i dung s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ecdc d\u01b0\u1edbi d\u1ea1ng chu\u1ed7i. N\u1ebfu t\u1ec7p ch\u1ee9a d\u1eef li\u1ec7u kh\u00f4ng ph\u1ea3i v\u0103n b\u1ea3n ho\u1eb7c b\u1ea1n mu\u1ed1n x\u1eed l\u00fd d\u1eef li\u1ec7u d\u01b0\u1edbi d\u1ea1ng byte, l\u1ed7i c\u00f3 th\u1ec3 x\u1ea3y ra.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"Giai_phap\">Gi\u1ea3i ph\u00e1p<\/span><\/h3>\n\n\n\n<p>\u0110\u1ec3 gi\u1ea3i quy\u1ebft l\u1ed7i n\u00e0y, b\u1ea1n n\u00ean m\u1edf t\u1ec7p \u1edf ch\u1ebf \u0111\u1ed9 nh\u1ecb ph\u00e2n (&#8220;rb&#8221;) thay v\u00ec ch\u1ebf \u0111\u1ed9 v\u0103n b\u1ea3n. \u0110i\u1ec1u n\u00e0y s\u1ebd \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u1ed9i dung \u0111\u01b0\u1ee3c \u0111\u1ecdc d\u01b0\u1edbi d\u1ea1ng byte.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>with open(\"example.txt\", \"rb\") as file:\n    content = file.read()\n    print(content)<\/code><\/pre>\n\n\n\n<p><strong>Xem th\u00eam<\/strong>: <a href=\"https:\/\/idconline.vn\/blog\/top-10-python-gui-frameworks-cho-lap-trinh-vien-nam-2023.html\" target=\"_blank\" rel=\"noreferrer noopener\"><em>Top 10 Python GUI Frameworks cho l\u1eadp tr\u00ecnh vi\u00ean n\u0103m 2023<\/em><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Loi_2_Su_dung_thu_viennbspsocket\">L\u1ed7i 2: S\u1eed d\u1ee5ng th\u01b0 vi\u1ec7n&nbsp;<code>socket<\/code><\/span><\/h2>\n\n\n\n<p>M\u1ed9t t\u00ecnh hu\u1ed1ng ph\u1ed5 bi\u1ebfn kh\u00e1c x\u1ea3y ra l\u1ed7i n\u00e0y l\u00e0 khi s\u1eed d\u1ee5ng th\u01b0 vi\u1ec7n <mark style=\"background-color:#abb8c3\" class=\"has-inline-color\"><code>socket<\/code><\/mark>. Th\u01b0 vi\u1ec7n n\u00e0y y\u00eau c\u1ea7u \u0111\u1ed1i t\u01b0\u1ee3ng byte \u0111\u1ec3 g\u1eedi v\u00e0 nh\u1eadn d\u1eef li\u1ec7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"Ma_co_van_de-2\">M\u00e3 c\u00f3 v\u1ea5n \u0111\u1ec1<\/span><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>import socket\n\nsock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\nsock.connect(('example.com', 80))\n\nrequest = \"GET \/ HTTP\/1.1\\r\\nHost: example.com\\r\\n\\r\\n\"\nsock.send(request)<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"Dau_ra\">\u0110\u1ea7u ra<\/span><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>Traceback (most recent call last):\n  File \"&lt;stdin&gt;\", line 1, in &lt;module&gt;\nTypeError: a bytes-like object is required, not 'str'<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"Giai_thich-2\">Gi\u1ea3i th\u00edch<\/span><\/h3>\n\n\n\n<p>Trong v\u00ed d\u1ee5 n\u00e0y, ch\u00fang t\u00f4i t\u1ea1o m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng socket v\u00e0 c\u1ed1 g\u1eafng g\u1eedi y\u00eau c\u1ea7u \u0111\u1ebfn m\u00e1y ch\u1ee7. Ph\u01b0\u01a1ng th\u1ee9c <code><mark style=\"background-color:#abb8c3\" class=\"has-inline-color\">send()<\/mark><\/code> y\u00eau c\u1ea7u m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng byte, nh\u01b0ng thay v\u00e0o \u0111\u00f3 ch\u00fang ta chuy\u1ec3n m\u1ed9t chu\u1ed7i, g\u00e2y ra l\u1ed7i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"Giai_phap-2\">Gi\u1ea3i ph\u00e1p<\/span><\/h3>\n\n\n\n<p>\u0110\u1ec3 gi\u1ea3i quy\u1ebft l\u1ed7i n\u00e0y, h\u00e3y chuy\u1ec3n \u0111\u1ed5i chu\u1ed7i th\u00e0nh byte b\u1eb1ng ph\u01b0\u01a1ng th\u1ee9c encode(). Ph\u01b0\u01a1ng th\u1ee9c n\u00e0y s\u1ebd m\u00e3 h\u00f3a chu\u1ed7i th\u00e0nh byte b\u1eb1ng m\u00e3 h\u00f3a \u0111\u00e3 ch\u1ec9 \u0111\u1ecbnh (m\u1eb7c \u0111\u1ecbnh l\u00e0 UTF-8).<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import socket\n\nsock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\nsock.connect(('example.com', 80))\n\nrequest = \"GET \/ HTTP\/1.1\\r\\nHost: example.com\\r\\n\\r\\n\"\nsock.send(request.encode())<\/code><\/pre>\n\n\n\n<p><strong>Xem th\u00eam<\/strong>: <a href=\"https:\/\/idconline.vn\/blog\/muon-chinh-phuc-linh-vuc-tri-tue-nhan-tao-ai-hay-hoc-python.html\" target=\"_blank\" rel=\"noreferrer noopener\"><em>Mu\u1ed1n chinh ph\u1ee5c l\u0129nh v\u1ef1c tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI), h\u00e3y h\u1ecdc Python<\/em><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Loi_3_Ghi_byte_vao_tep\">L\u1ed7i 3: Ghi byte v\u00e0o t\u1ec7p<\/span><\/h2>\n\n\n\n<p>M\u1ed9t t\u00ecnh hu\u1ed1ng kh\u00e1c c\u00f3 th\u1ec3 x\u1ea3y ra l\u1ed7i n\u00e0y l\u00e0 khi c\u1ed1 g\u1eafng ghi byte v\u00e0o t\u1ec7p nh\u01b0ng l\u1ea1i v\u00f4 t\u00ecnh ghi m\u1ed9t chu\u1ed7i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"Ma_co_van_de-3\">M\u00e3 c\u00f3 v\u1ea5n \u0111\u1ec1<\/span><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>data = \"Hello, World!\"\n\nwith open(\"output.txt\", \"wb\") as file:\n    file.write(data)<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"Giai_thich-3\">Gi\u1ea3i th\u00edch<\/span><\/h3>\n\n\n\n<p>Trong v\u00ed d\u1ee5 n\u00e0y, t\u1ec7p \u0111\u01b0\u1ee3c m\u1edf \u1edf ch\u1ebf \u0111\u1ed9 nh\u1ecb ph\u00e2n (&#8220;wb&#8221;), mong \u0111\u1ee3i byte l\u00e0m \u0111\u1ea7u v\u00e0o. Tuy nhi\u00ean, ch\u00fang t\u00f4i chuy\u1ec3n m\u1ed9t chu\u1ed7i v\u00e0o ph\u01b0\u01a1ng th\u1ee9c&nbsp;<mark style=\"background-color:#abb8c3\" class=\"has-inline-color\"><code>write()<\/code><\/mark>, d\u1eabn \u0111\u1ebfn l\u1ed7i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"Giai_phap-3\">Gi\u1ea3i ph\u00e1p<\/span><\/h3>\n\n\n\n<p>\u0110\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i n\u00e0y, h\u00e3y chuy\u1ec3n \u0111\u1ed5i chu\u1ed7i th\u00e0nh byte b\u1eb1ng ph\u01b0\u01a1ng th\u1ee9c <code><mark style=\"background-color:#abb8c3\" class=\"has-inline-color\">encode()<\/mark><\/code> tr\u01b0\u1edbc khi ghi v\u00e0o t\u1ec7p.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>data = \"Hello, World!\"\n\nwith open(\"output.txt\", \"wb\") as file:\n    file.write(data.encode())<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Cac_cau_hoi_thuong_gap_ve_TypeError\">C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 TypeError<\/span><\/h2>\n\n\n\n<p>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 TypeError: b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 \u0111\u1ed1i t\u01b0\u1ee3ng gi\u1ed1ng nh\u01b0 byte, kh\u00f4ng ph\u1ea3i &#8216;str&#8217; trong Python<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"1_Lam_cach_nao_de_chuyen_doi_chuoi_thanh_byte_trong_Python\">1. <strong>L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i chu\u1ed7i th\u00e0nh byte trong Python?<\/strong><\/span><\/h3>\n\n\n\n<p>\u0110\u1ec3 chuy\u1ec3n \u0111\u1ed5i m\u1ed9t chu\u1ed7i th\u00e0nh byte, h\u00e3y s\u1eed d\u1ee5ng ph\u01b0\u01a1ng th\u1ee9c encode(). Ph\u01b0\u01a1ng th\u1ee9c n\u00e0y m\u00e3 h\u00f3a chu\u1ed7i d\u01b0\u1edbi d\u1ea1ng byte b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e3 h\u00f3a \u0111\u00e3 ch\u1ec9 \u0111\u1ecbnh (m\u1eb7c \u0111\u1ecbnh l\u00e0 UTF-8).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"2_Lam_cach_nao_de_chuyen_doi_byte_thanh_chuoi_trong_Python\">2. <strong>L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i byte th\u00e0nh chu\u1ed7i trong Python?<\/strong><\/span><\/h3>\n\n\n\n<p>\u0110\u1ec3 chuy\u1ec3n \u0111\u1ed5i byte th\u00e0nh chu\u1ed7i, h\u00e3y s\u1eed d\u1ee5ng ph\u01b0\u01a1ng th\u1ee9c decode(). \u0110\u1ed3ng th\u1eddi gi\u1ea3i m\u00e3 \u0111\u1ed1i t\u01b0\u1ee3ng byte th\u00e0nh chu\u1ed7i b\u1eb1ng m\u00e3 h\u00f3a \u0111\u00e3 ch\u1ec9 \u0111\u1ecbnh (m\u1eb7c \u0111\u1ecbnh l\u00e0 UTF-8).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"3_Khi_nao_toi_nen_su_dung_chuoi_va_khi_nao_toi_nen_su_dung_byte_trong_Python\"><strong>3. Khi n\u00e0o t\u00f4i n\u00ean s\u1eed d\u1ee5ng chu\u1ed7i v\u00e0 khi n\u00e0o t\u00f4i n\u00ean s\u1eed d\u1ee5ng byte trong Python?<\/strong><\/span><\/h3>\n\n\n\n<p>S\u1eed d\u1ee5ng chu\u1ed7i khi l\u00e0m vi\u1ec7c v\u1edbi v\u0103n b\u1ea3n v\u00e0 k\u00fd t\u1ef1 m\u00e0 con ng\u01b0\u1eddi c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c. Ch\u1eb3ng h\u1ea1n nh\u01b0 x\u1eed l\u00fd c\u00e2u, t\u1eeb ho\u1eb7c b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 Unicode n\u00e0o. S\u1eed d\u1ee5ng byte khi x\u1eed l\u00fd d\u1eef li\u1ec7u nh\u1ecb ph\u00e2n th\u00f4, v\u0103n b\u1ea3n \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a ho\u1eb7c khi giao ti\u1ebfp v\u1edbi API ho\u1eb7c th\u01b0 vi\u1ec7n y\u00eau c\u1ea7u \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra byte, nh\u01b0 t\u1ec7p I\/O ho\u1eb7c \u1ed5 c\u1eafm.<\/p>\n\n\n\n<p><strong>Xem th\u00eam<\/strong>: <a href=\"https:\/\/idconline.vn\/blog\/top-10-thu-vien-python-cho-truc-quan-hoa-du-lieu-nam-2023.html\" target=\"_blank\" rel=\"noreferrer noopener\"><em>Top 10 Th\u01b0 vi\u1ec7n Python cho Tr\u1ef1c quan h\u00f3a D\u1eef li\u1ec7u n\u0103m 2023<\/em><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"Ket_luan\">K\u1ebft lu\u1eadn<\/span><\/h2>\n\n\n\n<p>T\u00f3m l\u1ea1i, b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p m\u1ed9t h\u01b0\u1edbng d\u1eabn chuy\u00ean s\u00e2u v\u1ec1 c\u00e1ch gi\u1ea3i quy\u1ebft TypeError: a byte-like object is required, not &#8216;str&#8217; error in Python. B\u1eb1ng c\u00e1ch hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa chu\u1ed7i v\u00e0 byte, \u0111\u1ed3ng th\u1eddi s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p, ch\u00fang t\u00f4i \u0111\u00e3 tr\u00ecnh b\u00e0y c\u00e1ch x\u00e1c \u0111\u1ecbnh v\u00e0 gi\u1ea3i quy\u1ebft hi\u1ec7u qu\u1ea3 nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 c\u1ee7a l\u1ed7i n\u00e0y trong c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c nhau.<\/p>\n\n\n\n<p>N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t \u0111\u1ed1i t\u00e1c tri\u1ec3n khai c\u00e1c gi\u1ea3i ph\u00e1p c\u00f4ng ngh\u1ec7 cho doanh nghi\u1ec7p c\u1ee7a b\u1ea1n, h\u00e3y \u0111\u1ebfn v\u1edbi <strong><em><a href=\"http:\/\/idconline.vn\" target=\"_blank\" rel=\"noreferrer noopener\">IDC Online<\/a><\/em><\/strong>. IDC Online cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p c\u00f4ng ngh\u1ec7 th\u00f4ng tin v\u00e0 \u0111\u00e1m m\u00e2y cho doanh nghi\u1ec7p. Bao g\u1ed3m c\u1ea3 c\u00e1c gi\u1ea3i ph\u00e1p tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p kh\u00e1c. V\u1edbi \u0111\u1ed9i ng\u0169 chuy\u00ean gia gi\u00e0u kinh nghi\u1ec7m, IDC Online \u0111em l\u1ea1i cho b\u1ea1n nh\u1eefng tr\u1ea3i nghi\u1ec7m tuy\u1ec7t v\u1eddi.<\/p>\n\n\n\n<p>H\u00e3y truy c\u1eadp v\u00e0o trang web <a href=\"https:\/\/idconline.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/idconline.vn\/<\/a> c\u1ee7a IDC Online \u0111\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin chi ti\u1ebft. Ho\u1eb7c n\u1ebfu b\u1ea1n c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec c\u1ea7n gi\u1ea3i \u0111\u00e1p h\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i qua <strong>hotline<\/strong>: 19006452. IDC Online lu\u00f4n \u1edf \u0111\u00e2y \u0111\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ed3ng h\u00e0nh c\u00f9ng b\u1ea1n<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-2\">\n<div class=\"wp-block-column is-layout-flow\" style=\"flex-basis:100%\">\n<!--more-->\n\n\n<ul class=\"wp-block-latest-posts__list wp-block-latest-posts\"><li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/idconline.vn\/blog\/vps-la-gi-top-7-vps-tot-nhat-nen-mua-2024\/\">VPS l\u00e0 g\u00ec? Top 7 VPS t\u1ed1t nh\u1ea5t n\u00ean mua 2024<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/idconline.vn\/blog\/vps-server-va-nhung-kien-thuc-can-biet-ve-vps\/\">VPS Server v\u00e0 nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft!<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/idconline.vn\/blog\/nhung-dieu-ban-can-biet-ve-he-dieu-hanh-linux\/\">Nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 h\u1ec7 \u0111i\u1ec1u h\u00e0nh Linux<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/idconline.vn\/blog\/nhung-noi-cho-thue-may-chu-vps-chat-luong\/\">Nh\u1eefng n\u01a1i cho thu\u00ea m\u00e1y ch\u1ee7 VPS ch\u1ea5t l\u01b0\u1ee3ng<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/idconline.vn\/blog\/gioi-thieu-ve-vps-va-4-dich-vu-vps-free-viet-nam-ban-nen-tham-khao\/\">Gi\u1edbi thi\u1ec7u v\u1ec1 VPS v\u00e0 4 d\u1ecbch v\u1ee5 d\u00f9ng th\u1eed VPS Vi\u1ec7t Nam b\u1ea1n n\u00ean tham kh\u1ea3o<\/a><\/li>\n<\/ul><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o gi\u1ea3i quy\u1ebft l\u1ed7i TypeError Python: a byte-like object is required, not &#8216;str&#8217; trong Python. L\u1ed7i n\u00e0y th\u01b0\u1eddng x\u1ea3y ra khi b\u1ea1n c\u1ed1 g\u1eafng s\u1eed d\u1ee5ng m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng chu\u1ed7i trong ch\u1ed7 c\u1ea7n m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng byte. Ch\u00fang t\u00f4i s\u1ebd tr\u00ecnh b\u00e0y c\u00e1c v\u00ed d\u1ee5 v\u00e0 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":9202,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2920,14,2921],"tags":[2853,21,37,2873,35,2943,2917,2851,2866,2857,2942,28],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.10 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Gi\u1ea3i quy\u1ebft TypeError Python: a byte-like object is required, not &#039;str&#039;<\/title>\n<meta name=\"description\" content=\"Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o gi\u1ea3i quy\u1ebft l\u1ed7i TypeError: a byte-like object is required, not &#039;str&#039; trong Python. 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