{"version":"1.0","provider_name":"Visual Paradigm Guides Vietnamese","provider_url":"https:\/\/guides.visual-paradigm.com\/vn","author_name":"vpadmin","author_url":"https:\/\/guides.visual-paradigm.com\/vn\/author\/vpadmin\/","title":"Hi\u1ec3u v\u1ec1 s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) - Visual Paradigm Guides Vietnamese","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"TE7P8Zyxkl\"><a href=\"https:\/\/guides.visual-paradigm.com\/vn\/understanding-data-flow-diagrams-dfds\/\">Hi\u1ec3u v\u1ec1 s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD)<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/guides.visual-paradigm.com\/vn\/understanding-data-flow-diagrams-dfds\/embed\/#?secret=TE7P8Zyxkl\" width=\"600\" height=\"338\" title=\"&#8220;Hi\u1ec3u v\u1ec1 s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD)&#8221; &#8212; Visual Paradigm Guides Vietnamese\" data-secret=\"TE7P8Zyxkl\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/guides.visual-paradigm.com\/vn\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Gi\u1edbi thi\u1ec7u S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) l\u00e0 c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a lu\u1ed3ng th\u00f4ng tin b\u00ean trong m\u1ed9t h\u1ec7 th\u1ed1ng. Ch\u00fang cung c\u1ea5p m\u1ed9t bi\u1ec3u di\u1ec5n tr\u1ef1c quan d\u1ec5 ti\u1ebfp c\u1eadn \u0111\u1ed1i v\u1edbi c\u1ea3 chuy\u00ean gia m\u00e1y t\u00ednh v\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng chuy\u00ean, l\u00e0m cho ch\u00fang v\u00f4 gi\u00e1 trong qu\u00e1 tr\u00ecnh ph\u00e2n t\u00edch v\u00e0 x\u00e1c \u0111\u1ecbnh y\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng. 1. Kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n \u1ede c\u1ed1t l\u00f5i, m\u1ed9t DFD m\u00f4 h\u00ecnh h\u00f3a c\u00e1ch th\u00f4ng tin di chuy\u1ec3n qua h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng x\u1eed l\u00fd th\u00f4ng tin n\u00e0y. \u0110\u00f3 l\u00e0 m\u1ed9t bi\u1ec3u di\u1ec5n \u0111\u1ed3 h\u1ecda th\u00fac \u0111\u1ea9y giao ti\u1ebfp hi\u1ec7u qu\u1ea3 gi\u1eefa c\u00e1c k\u1ef9 s\u01b0 ph\u1ea7n m\u1ec1m, kh\u00e1ch h\u00e0ng v\u00e0 ng\u01b0\u1eddi d\u00f9ng. 2. C\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a m\u1ed9t DFD 2.1 Qu\u00e1 tr\u00ecnh C\u00e1c qu\u00e1 tr\u00ecnh trong DFD bi\u1ec3u di\u1ec5n c\u00e1c ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c bi\u1ebfn \u0111\u1ed5i di\u1ec5n ra b\u00ean trong h\u1ec7 th\u1ed1ng. Ch\u00fang c\u00f3 th\u1ec3 bao g\u1ed3m t\u1eeb c\u00e1c thao t\u00e1c \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn c\u00e1c thu\u1eadt to\u00e1n ph\u1ee9c t\u1ea1p. 2.2 Kho d\u1eef li\u1ec7u Kho d\u1eef li\u1ec7u l\u00e0 n\u01a1i l\u01b0u tr\u1eef d\u1eef li\u1ec7u b\u00ean trong h\u1ec7 th\u1ed1ng. Ch\u00fang c\u00f3 th\u1ec3 l\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u, t\u1ec7p tin ho\u1eb7c b\u1ea5t k\u1ef3 h\u00ecnh th\u1ee9c l\u01b0u tr\u1eef n\u00e0o kh\u00e1c. 2.3 Lu\u1ed3ng d\u1eef li\u1ec7u Lu\u1ed3ng d\u1eef li\u1ec7u l\u00e0 c\u00e1c m\u0169i t\u00ean bi\u1ec3u di\u1ec5n s\u1ef1 di chuy\u1ec3n d\u1eef li\u1ec7u gi\u1eefa c\u00e1c qu\u00e1 tr\u00ecnh, kho d\u1eef li\u1ec7u v\u00e0 c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i. Ch\u00fang minh h\u1ecda c\u00e1ch th\u00f4ng tin di chuy\u1ec3n b\u00ean trong h\u1ec7 th\u1ed1ng. 2.4 Th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i C\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i l\u00e0 ngu\u1ed3n ho\u1eb7c \u0111\u00edch c\u1ee7a th\u00f4ng tin t\u1ed3n t\u1ea1i b\u00ean ngo\u00e0i h\u1ec7 th\u1ed1ng nh\u01b0ng t\u01b0\u01a1ng t\u00e1c v\u1edbi n\u00f3. Ch\u00fang c\u00f3 th\u1ec3 l\u00e0 ng\u01b0\u1eddi d\u00f9ng, c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 c\u1ea3m bi\u1ebfn. 3. Quy t\u1eafc v\u00e0 c\u1ea5u tr\u00fac DFD s\u1eed d\u1ee5ng m\u1ed9t t\u1eadp h\u1ee3p gi\u1edbi h\u1ea1n c\u00e1c c\u1ea5u tr\u00fac v\u00e0 quy t\u1eafc \u0111\u01a1n gi\u1ea3n, gi\u00fap ch\u00fang d\u1ec5 theo d\u00f5i. S\u1ef1 nh\u1ea5t qu\u00e1n trong c\u00e1c quy t\u1eafc n\u00e0y tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u00e0 r\u00f5 r\u00e0ng. 4. L\u1ee3i \u00edch c\u1ee7a DFD 4.1 H\u1ee3p t\u00e1c DFD th\u00fac \u0111\u1ea9y s\u1ef1 h\u1ee3p t\u00e1c hi\u1ec7u qu\u1ea3 gi\u1eefa c\u00e1c k\u1ef9 s\u01b0 ph\u1ea7n m\u1ec1m, kh\u00e1ch h\u00e0ng v\u00e0 ng\u01b0\u1eddi d\u00f9ng. T\u00ednh tr\u1ef1c quan c\u1ee7a c\u00e1c s\u01a1 \u0111\u1ed3 gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00e1c kh\u00e1i ni\u1ec7m ph\u1ee9c t\u1ea1p. 4.2 Ph\u00e2n t\u00edch v\u00e0 x\u00e1c \u0111\u1ecbnh Ch\u00fang r\u1ea5t h\u1eefu \u00edch trong vi\u1ec7c ph\u00e2n t\u00edch v\u00e0 x\u00e1c \u0111\u1ecbnh y\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng. B\u1eb1ng c\u00e1ch t\u1eadp trung v\u00e0o lu\u1ed3ng th\u00f4ng tin, DFD cung c\u1ea5p c\u00e1i nh\u00ecn r\u00f5 r\u00e0ng v\u1ec1 c\u00e1ch h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng. 5. H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc t\u1ea1o m\u1ed9t DFD 5.1 X\u00e1c \u0111\u1ecbnh c\u00e1c qu\u00e1 tr\u00ecnh B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh c\u00e1c qu\u00e1 tr\u00ecnh ch\u00ednh trong h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n. \u0110\u00e2y l\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng thao t\u00e1c ho\u1eb7c bi\u1ebfn \u0111\u1ed5i d\u1eef li\u1ec7u. 5.2 X\u00e1c \u0111\u1ecbnh lu\u1ed3ng d\u1eef li\u1ec7u X\u00e1c \u0111\u1ecbnh c\u00e1ch d\u1eef li\u1ec7u di chuy\u1ec3n gi\u1eefa c\u00e1c qu\u00e1 tr\u00ecnh. S\u1eed d\u1ee5ng m\u0169i t\u00ean \u0111\u1ec3 bi\u1ec3u di\u1ec5n lu\u1ed3ng d\u1eef li\u1ec7u v\u00e0 g\u00e1n nh\u00e3n ph\u00f9 h\u1ee3p. 5.3 Gi\u1edbi thi\u1ec7u kho d\u1eef li\u1ec7u X\u00e1c \u0111\u1ecbnh n\u01a1i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong h\u1ec7 th\u1ed1ng. K\u1ebft n\u1ed1i kho d\u1eef li\u1ec7u v\u1edbi c\u00e1c qu\u00e1 tr\u00ecnh v\u00e0 lu\u1ed3ng d\u1eef li\u1ec7u t\u01b0\u01a1ng \u1ee9ng. 5.4 Bao g\u1ed3m c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i Bao g\u1ed3m c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng. K\u1ebft n\u1ed1i ch\u00fang v\u1edbi c\u00e1c qu\u00e1 tr\u00ecnh li\u00ean quan th\u00f4ng qua c\u00e1c lu\u1ed3ng d\u1eef li\u1ec7u. 5.5 X\u00e1c minh v\u00e0 l\u1eb7p l\u1ea1i Xem x\u00e9t l\u1ea1i s\u01a1 \u0111\u1ed3 DFD c\u1ee7a b\u1ea1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ea7y \u0111\u1ee7. Th\u1ef1c hi\u1ec7n l\u1eb7p l\u1ea1i khi c\u1ea7n thi\u1ebft, \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 n\u00e0y ph\u1ea3n \u00e1nh hi\u1ec7u qu\u1ea3 lu\u1ed3ng th\u00f4ng tin trong h\u1ec7 th\u1ed1ng. 6. V\u00ed d\u1ee5 \u0110\u1ec3 c\u1ee7ng c\u1ed1 s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a b\u1ea1n, h\u00e3y c\u00f9ng xem x\u00e9t m\u1ed9t v\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n: T\u00ecnh hu\u1ed1ng: H\u1ec7 th\u1ed1ng mua s\u1eafm tr\u1ef1c tuy\u1ebfn Quy tr\u00ecnh: X\u1eed l\u00fd \u0111\u01a1n h\u00e0ng, Qu\u1ea3n l\u00fd h\u00e0ng t\u1ed3n kho, X\u1eed l\u00fd thanh to\u00e1n. Lu\u1ed3ng d\u1eef li\u1ec7u: Chi ti\u1ebft \u0111\u01a1n h\u00e0ng \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb kh\u00e1ch h\u00e0ng \u0111\u1ebfn X\u1eed l\u00fd \u0111\u01a1n h\u00e0ng, c\u1eadp nh\u1eadt h\u00e0ng t\u1ed3n kho \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ebfn Qu\u1ea3n l\u00fd h\u00e0ng t\u1ed3n kho, v\u00e0 th\u00f4ng tin thanh to\u00e1n \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ebfn X\u1eed l\u00fd thanh to\u00e1n. C\u01a1 s\u1edf d\u1eef li\u1ec7u: C\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u1ec3 l\u01b0u tr\u1eef th\u00f4ng tin kh\u00e1ch h\u00e0ng, c\u01a1 s\u1edf d\u1eef li\u1ec7u h\u00e0ng t\u1ed3n kho. C\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i: Kh\u00e1ch h\u00e0ng \u0111\u1eb7t h\u00e0ng. K\u1ebft lu\u1eadn S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 h\u1eefu \u00edch trong ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng. B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c b\u01b0\u1edbc n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t s\u01a1 \u0111\u1ed3 DFD r\u00f5 r\u00e0ng v\u00e0 to\u00e0n di\u1ec7n, l\u00e0m n\u1ec1n t\u1ea3ng cho vi\u1ec7c ph\u00e1t tri\u1ec3n v\u00e0 hi\u1ec3u r\u00f5 c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p.","thumbnail_url":"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/10\/dfd-process-example-300x95.png"}