{"id":1522,"date":"2026-03-28T19:48:18","date_gmt":"2026-03-28T19:48:18","guid":{"rendered":"https:\/\/www.viz-read.com\/ja\/object-diagrams-for-beginners-tutorial\/"},"modified":"2026-03-28T19:48:18","modified_gmt":"2026-03-28T19:48:18","slug":"object-diagrams-for-beginners-tutorial","status":"publish","type":"post","link":"https:\/\/www.viz-read.com\/ja\/object-diagrams-for-beginners-tutorial\/","title":{"rendered":"\u521d\u5fc3\u8005\u5411\u3051\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\uff1a\u308f\u304b\u308a\u3084\u3059\u304f\u3001\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u3067\u5b66\u3079\u308b\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb"},"content":{"rendered":"<p>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u4e16\u754c\u3078\u3088\u3046\u3053\u305d\u3002\u8907\u96d1\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u898b\u3066\u3001\u3055\u307e\u3056\u307e\u306a\u8981\u7d20\u304c\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u3069\u306e\u3088\u3046\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u304b\u7591\u554f\u306b\u601d\u3063\u305f\u3053\u3068\u304c\u3042\u308b\u306a\u3089\u3001\u3042\u306a\u305f\u306f\u30e2\u30c7\u30e9\u30fc\u3068\u3057\u3066\u8003\u3048\u3066\u3044\u308b\u306e\u3067\u3059\u3002<strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3<\/strong>\u306f\u3001\u7d71\u5408\u30e2\u30c7\u30ea\u30f3\u30b0\u8a00\u8a9e\uff08UML\uff09\u306e\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002\u7279\u5b9a\u306e\u77ac\u9593\u306b\u304a\u3051\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30ac\u30a4\u30c9\u306f\u3001\u5c02\u9580\u7528\u8a9e\u306b\u8ff7\u308f\u305a\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3057\u305f\u3044\u521d\u5fc3\u8005\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u7406\u8ad6\u3001\u8868\u8a18\u6cd5\u3001\u5b9f\u8df5\u7684\u306a\u624b\u9806\u3001\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u63a2\u6c42\u3057\u307e\u3059\u3002\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u7528\u8a9e\u306f\u4e00\u5207\u306a\u304f\u3001\u660e\u78ba\u306a\u6280\u8853\u7684\u77e5\u8b58\u306e\u307f\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Charcoal sketch infographic teaching object diagrams for beginners: illustrates UML object diagram components including object instances with three-section rectangles, links with aggregation\/composition diamonds, class vs object diagram comparison, six-step creation workflow, and online store example with alice:User, cart1:ShoppingCart, and product objects in hand-drawn artistic style for software modeling education\" decoding=\"async\" src=\"https:\/\/www.viz-read.com\/wp-content\/uploads\/2026\/03\/object-diagrams-beginners-infographic-charcoal-sketch.jpg\"\/><\/figure>\n<\/div>\n<h2>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u3068\u306f\u4f55\u304b\uff1f \ud83d\udcca<\/h2>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306f\u9759\u7684\u69cb\u9020\u56f3\u3067\u3059\u3002\u7279\u5b9a\u306e\u77ac\u9593\u306b\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u305d\u308c\u3089\u306e\u95a2\u4fc2\u6027\u3092\u793a\u3059\u3053\u3068\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u9020\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\u30af\u30e9\u30b9\u56f3\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u8a08\u56f3\u3092\u793a\u3059\u306e\u306b\u5bfe\u3057\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306f\u5b9f\u969b\u306b\u914d\u7f6e\u3055\u308c\u305f\u69cb\u6210\u8981\u7d20\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u30af\u30e9\u30b9\u56f3\u3092\u30ec\u30b7\u30d4\u306b\u4f8b\u3048\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002\u5fc5\u8981\u306a\u6750\u6599\u3068\u305d\u306e\u5272\u5408\u3092\u6559\u3048\u3066\u304f\u308c\u307e\u3059\u3002\u4e00\u65b9\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306f\u76bf\u306e\u4e0a\u306e\u5b9f\u969b\u306e\u30b1\u30fc\u30ad\u3067\u3059\u3002\u30c7\u30fc\u30bf\u306e\u7279\u5b9a\u306e\u72b6\u614b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u4e3b\u306a\u7279\u5fb4\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u8868\u793a\uff1a<\/strong> \u30b7\u30b9\u30c6\u30e0\u306e\u7279\u5b9a\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u8868\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u9759\u7684\u69cb\u9020\uff1a<\/strong> \u884c\u52d5\u3084\u30d5\u30ed\u30fc\u306f\u8868\u793a\u305b\u305a\u3001\u95a2\u4fc2\u6027\u306e\u307f\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u5b9f\u73fe\uff1a<\/strong> \u5b9f\u884c\u6642\u306e\u30b3\u30fc\u30c9\u306e\u898b\u305f\u76ee\u3092\u53ef\u8996\u5316\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n<li><strong>\u691c\u8a3c\uff1a<\/strong> \u8a2d\u8a08\u304c\u610f\u56f3\u3055\u308c\u305f\u8ad6\u7406\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306e\u6838\u5fc3\u7684\u306a\u69cb\u6210\u8981\u7d20 \ud83e\udde9<\/h2>\n<p>\u6709\u52b9\u306a\u56f3\u3092\u63cf\u304f\u305f\u3081\u306b\u306f\u3001\u57fa\u672c\u7684\u306a\u8981\u7d20\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5404\u8981\u7d20\u306b\u306f\u7279\u5b9a\u306e\u8996\u899a\u7684\u8868\u73fe\u3068\u6280\u8853\u7684\u5b9a\u7fa9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>1. \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff08\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\uff09<\/h3>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u30af\u30e9\u30b9\u306e\u5177\u4f53\u7684\u306a\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u3059\u3002\u56f3\u3067\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u9577\u65b9\u5f62\u3067\u8868\u3055\u308c\u307e\u3059\u3002\u9577\u65b9\u5f62\u306f3\u3064\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u5206\u3051\u3089\u308c\u307e\u3059\uff1a<\/p>\n<ul>\n<li><strong>\u4e0a\u90e8\u30bb\u30af\u30b7\u30e7\u30f3\uff1a<\/strong> \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u30af\u30e9\u30b9\u540d\u3068\u533a\u5225\u3059\u308b\u305f\u3081\u306b\u3001\u901a\u5e38\u659c\u4f53\u3067\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u4e2d\u592e\u30bb\u30af\u30b7\u30e7\u30f3\uff1a<\/strong> \u30bf\u30a4\u30d7\u307e\u305f\u306f\u30af\u30e9\u30b9\u540d\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u30b3\u30ed\u30f3\u3067\u59cb\u307e\u308a\u307e\u3059\u3002\u4f8b\uff1a<code>User:Customer<\/code>.<\/li>\n<li><strong>\u4e0b\u90e8\u30bb\u30af\u30b7\u30e7\u30f3\uff1a<\/strong> \u5c5e\u6027\u5024\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u3053\u3053\u306b\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>2. \u30ea\u30f3\u30af\uff08\u95a2\u9023\uff09<\/h3>\n<p>\u30ea\u30f3\u30af\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u95a2\u4fc2\u3092\u8868\u3057\u307e\u3059\u3002\u30ea\u30f3\u30af\u306f2\u3064\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u7d50\u3076\u7dda\u3067\u3059\u3002\u3053\u308c\u306f\u30af\u30e9\u30b9\u56f3\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u95a2\u9023\u306e\u5b9f\u884c\u6642\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u65b9\u5411\uff1a<\/strong>\u77e2\u5370\u306f\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u53ef\u80fd\u6027\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u591a\u91cd\u5ea6\uff1a<\/strong>\u7dda\u4e0a\u306e\u30e9\u30d9\u30eb\u306f\u3001\u3044\u304f\u3064\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u63a5\u7d9a\u3067\u304d\u308b\u304b\u3092\u793a\u3057\u307e\u3059\uff08\u4f8b\uff1a1\u30010..1\u3001*\uff09\u3002<\/li>\n<\/ul>\n<h3>3. \u30ed\u30fc\u30eb<\/h3>\n<p>2\u3064\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u30ea\u30f3\u30af\u3055\u308c\u3066\u3044\u308b\u3068\u304d\u3001\u3057\u3070\u3057\u3070\u7279\u5b9a\u306e\u30ed\u30fc\u30eb\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30ed\u30fc\u30eb\u306e\u540d\u524d\u306f\u30ea\u30f3\u30af\u7dda\u306e\u7aef\u8fd1\u304f\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u95a2\u4fc2\u304c\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>4. \u96c6\u7d04\u3068\u5408\u6210<\/h3>\n<p>\u3053\u308c\u3089\u306f\u3001\u90e8\u5206-\u5168\u4f53\u95a2\u4fc2\u3092\u8868\u3059\u7279\u5225\u306a\u7a2e\u985e\u306e\u30ea\u30f3\u30af\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u96c6\u7d04\uff08\u30c0\u30a4\u30a2\u30e2\u30f3\u30c9\uff09\uff1a<\/strong>\u5f31\u3044\u95a2\u4fc2\u3067\u3059\u3002\u5168\u4f53\u304c\u7834\u68c4\u3055\u308c\u3066\u3082\u3001\u90e8\u5206\u306f\u4f9d\u7136\u3068\u3057\u3066\u5b58\u5728\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u5408\u6210\uff08\u5857\u308a\u3064\u3076\u3055\u308c\u305f\u30c0\u30a4\u30a2\u30e2\u30f3\u30c9\uff09\uff1a<\/strong>\u5f37\u3044\u95a2\u4fc2\u3067\u3059\u3002\u5168\u4f53\u304c\u7834\u68c4\u3055\u308c\u308b\u3068\u3001\u90e8\u5206\u3082\u7834\u68c4\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3 vs. \u30af\u30e9\u30b9\u56f3 \u2696\ufe0f<\/h2>\n<p>\u521d\u5fc3\u8005\u306f\u3053\u308c\u30892\u3064\u3092\u6df7\u540c\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u6b63\u78ba\u306a\u30e2\u30c7\u30ea\u30f3\u30b0\u3092\u884c\u3046\u305f\u3081\u306b\u306f\u3001\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u6bd4\u8f03\u306b\u3088\u308a\u3001\u9055\u3044\u3092\u660e\u78ba\u306b\u3057\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7279\u5fb4<\/th>\n<th>\u30af\u30e9\u30b9\u56f3<\/th>\n<th>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u7126\u70b9<\/strong><\/td>\n<td>\u8a2d\u8a08\u56f3 \/ \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/td>\n<td>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9 \/ \u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5185\u5bb9<\/strong><\/td>\n<td>\u30af\u30e9\u30b9\u3001\u5c5e\u6027\u3001\u30e1\u30bd\u30c3\u30c9<\/td>\n<td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3001\u5c5e\u6027\u5024<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6642\u9593<\/strong><\/td>\n<td>\u6642\u9593\u306b\u4f9d\u5b58\u3057\u306a\u3044\uff08\u8a2d\u8a08\uff09<\/td>\n<td>\u6642\u9593\u306e\u4e00\u70b9\uff08\u5b9f\u884c\u6642\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4f8b<\/strong><\/td>\n<td>\u30af\u30e9\u30b9\uff1a<code>\u8eca<\/code><\/td>\n<td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8: <code>myCar: \u30ab\u30fc<\/code>\uff08\u8d64\u3001\u30e2\u30c7\u30ebX\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4f7f\u7528\u6cd5<\/strong><\/td>\n<td>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u3001\u30b3\u30fc\u30c9\u69cb\u9020<\/td>\n<td>\u30c6\u30b9\u30c8\u3001\u30c7\u30d0\u30c3\u30b0\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u4f5c\u6210<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\uff1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306e\u4f5c\u6210 \ud83d\udee0\ufe0f<\/h2>\n<p>\u7406\u8ad6\u3092\u7406\u89e3\u3057\u305f\u306e\u3067\u3001\u4e00\u3064\u4f5c\u6210\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u9806\u3092\u8ffd\u3063\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u660e\u78ba\u306a\u56f3\u3092\u69cb\u7bc9\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d71\uff1a\u30b7\u30b9\u30c6\u30e0\u306e\u7bc4\u56f2\u3092\u7279\u5b9a\u3059\u308b<\/h3>\n<p>\u3069\u306e\u90e8\u5206\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u304b\u3092\u6c7a\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4e00\u3064\u306e\u56f3\u3067\u5168\u4f53\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30e2\u30c7\u30eb\u5316\u3057\u3088\u3046\u3068\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u7279\u5b9a\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3084\u30b7\u30ca\u30ea\u30aa\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u304f\u3060\u3055\u3044\u3002\u305f\u3068\u3048\u3070\u3001\u300c\u6ce8\u6587\u51e6\u7406\u300d\u3084\u300c\u30e6\u30fc\u30b6\u30fc\u306e\u30ed\u30b0\u30a4\u30f3\u300d\u306a\u3069\u3067\u3059\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d72\uff1a\u95a2\u9023\u3059\u308b\u30af\u30e9\u30b9\u3092\u9078\u629e\u3059\u308b<\/h3>\n<p>\u3042\u306a\u305f\u306e\u30af\u30e9\u30b9\u56f3\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002\u7279\u5b9a\u306e\u30b7\u30ca\u30ea\u30aa\u306b\u95a2\u4e0e\u3059\u308b\u30af\u30e9\u30b9\u3092\u7279\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6ce8\u6587\u3092\u30e2\u30c7\u30eb\u5316\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u304a\u305d\u3089\u304f<code>\u9867\u5ba2<\/code>, <code>\u6ce8\u6587<\/code>\u3001\u304a\u3088\u3073<code>\u88fd\u54c1<\/code>\u30af\u30e9\u30b9\u304c\u5fc5\u8981\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d73\uff1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3059\u308b<\/h3>\n<p>\u9078\u629e\u3057\u305f\u5404\u30af\u30e9\u30b9\u306b\u5bfe\u3057\u3066\u3001\u5c11\u306a\u304f\u3068\u30821\u3064\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u308c\u305e\u308c\u306b\u4e00\u610f\u306e\u540d\u524d\u3092\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u300cObject1\u300d\u306e\u3088\u3046\u306a\u4e00\u822c\u7684\u306a\u540d\u524d\u306f\u4f7f\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u30c7\u30fc\u30bf\u3092\u53cd\u6620\u3059\u308b\u3088\u3046\u306a\u540d\u524d\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305f\u3068\u3048\u3070<code>cust1<\/code>\u307e\u305f\u306f<code>orderA<\/code>.<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d74\uff1a\u5c5e\u6027\u5024\u3092\u5b9a\u7fa9\u3059\u308b<\/h3>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u9577\u65b9\u5f62\u306e\u4e0b\u90e8\u3092\u57cb\u3081\u3066\u304f\u3060\u3055\u3044\u3002\u5177\u4f53\u7684\u306a\u5024\u3092\u5272\u308a\u5f53\u3066\u307e\u3059\u3002\u30af\u30e9\u30b9\u306b\u30d7\u30ed\u30d1\u30c6\u30a3<code>\u30b9\u30c6\u30fc\u30bf\u30b9<\/code>\u304c\u3042\u308b\u5834\u5408\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f<code>\u30b9\u30c6\u30fc\u30bf\u30b9: \"\u4fdd\u7559\u4e2d\"<\/code>\u3068\u3044\u3046\u5024\u3092\u6301\u3064\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3053\u308c\u304c\u56f3\u3092\u300c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d\u56f3\u306b\u3059\u308b\u7406\u7531\u3067\u3059\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d75\uff1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e\u30ea\u30f3\u30af\u3092\u63cf\u304f<\/h3>\n<p>\u30af\u30e9\u30b9\u56f3\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u95a2\u9023\u306b\u57fa\u3065\u3044\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u63a5\u7d9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u591a\u91cd\u5ea6\u304c\u5c0a\u91cd\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9867\u5ba2\u304c\u8907\u6570\u306e\u6ce8\u6587\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u308b\u5834\u5408\u3001\u8907\u6570\u306e\u30ea\u30f3\u30af\u3092\u63cf\u304f\u304b\u3001\u591a\u91cd\u5ea6\u3092\u660e\u78ba\u306b\u793a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d76\uff1a\u5f79\u5272\u3068\u591a\u91cd\u5ea6\u3092\u8ffd\u52a0\u3059\u308b<\/h3>\n<p>\u30ea\u30f3\u30af\u306b\u30e9\u30d9\u30eb\u3092\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u591a\u91cd\u5ea6\u3092\u7dda\u306e\u7d42\u7aef\u306b\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u56f3\u3092\u8aad\u3093\u3067\u3044\u308b\u8ab0\u3082\u304c\u95a2\u4fc2\u306e\u57fa\u6570\u3092\u628a\u63e1\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u5b9f\u8df5\u4f8b\uff1a\u30aa\u30f3\u30e9\u30a4\u30f3\u30b9\u30c8\u30a2 \ud83d\uded2<\/h2>\n<p>\u3053\u308c\u3092\u5177\u4f53\u7684\u306a\u30b7\u30ca\u30ea\u30aa\u306b\u9069\u7528\u3057\u307e\u3057\u3087\u3046\u3002\u7c21\u5358\u306a\u96fb\u5b50\u5546\u53d6\u5f15\u30b7\u30b9\u30c6\u30e0\u3092\u60f3\u50cf\u3057\u3066\u304f\u3060\u3055\u3044\u30021\u3064\u306e\u53d6\u5f15\u3092\u53ef\u8996\u5316\u3057\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u95a2\u4e0e\u3059\u308b\u30af\u30e9\u30b9\uff1a<\/strong><\/p>\n<ul>\n<li><code>User<\/code><\/li>\n<li><code>ShoppingCart<\/code><\/li>\n<li><code>Order<\/code><\/li>\n<li><code>Product<\/code><\/li>\n<\/ul>\n<p><strong>\u30b7\u30ca\u30ea\u30aa\uff1a<\/strong>\u30a2\u30ea\u30b9\u306f\u30ed\u30b0\u30a4\u30f3\u3057\u3001\u30ab\u30fc\u30c8\u306b\u30e9\u30c3\u30d7\u30c8\u30c3\u30d7\u3068\u30de\u30a6\u30b9\u3092\u8ffd\u52a0\u3057\u3066\u6ce8\u6587\u3092\u51fa\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306e\u8aac\u660e\uff1a<\/strong><\/p>\n<ul>\n<li><strong>User\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff1a<\/strong> \u540d\u524d\uff1a <code>alice:User<\/code> . \u5c5e\u6027\uff1a <code>email: \"alice@example.com\"<\/code>, <code>id: 101<\/code>.<\/li>\n<li><strong>\u30ab\u30fc\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff1a<\/strong> \u540d\u524d\uff1a <code>cart1:ShoppingCart<\/code> . \u5c5e\u6027\uff1a <code>items: 2<\/code>, <code>total: 1500<\/code>.<\/li>\n<li><strong>\u6ce8\u6587\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff1a<\/strong> \u540d\u524d\uff1a <code>ord55:\u6ce8\u6587<\/code> . \u5c5e\u6027\uff1a <code>\u65e5\u4ed8: \"2023-10-25\"<\/code>, <code>\u72b6\u614b: \"\u51fa\u8377\u6e08\u307f\"<\/code>.<\/li>\n<li><strong>\u88fd\u54c1\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff1a<\/strong> <code>\u30e9\u30c3\u30d7\u30c8\u30c3\u30d7:\u88fd\u54c1<\/code> (\u4fa1\u683c\uff1a1000), <code>\u30de\u30a6\u30b9:\u88fd\u54c1<\/code> (\u4fa1\u683c\uff1a500).<\/li>\n<\/ul>\n<p><strong>\u95a2\u4fc2\uff1a<\/strong><\/p>\n<ul>\n<li>alice \u306f cart1 \u306b\u30ea\u30f3\u30af\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>cart1 \u306f ord55 \u306b\u30ea\u30f3\u30af\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>ord55 \u306f\u30e9\u30c3\u30d7\u30c8\u30c3\u30d7\u304a\u3088\u3073\u30de\u30a6\u30b9\u306b\u30ea\u30f3\u30af\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u3092\u4f7f\u7528\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0 \ud83d\udcc5<\/h2>\n<p>\u3059\u3079\u3066\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u304c\u5fc5\u8981\u306a\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4fa1\u5024\u3092\u3082\u305f\u3089\u3059\u3068\u304d\u306b\u6226\u7565\u7684\u306b\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><strong>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u306e\u691c\u8a3c\uff1a<\/strong> SQL \u3092\u66f8\u304f\u524d\u306b\u3001\u56f3\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u306e\u95a2\u4fc2\u6027\u304c\u59a5\u5f53\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u8907\u96d1\u306a\u95a2\u9023\uff1a<\/strong> \u30af\u30e9\u30b9\u56f3\u304c\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30d1\u30b9\u3067\u3054\u3061\u3083\u3054\u3061\u3083\u306b\u306a\u3063\u305f\u5834\u5408\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u3067\u7279\u5b9a\u306e\u30d1\u30b9\u3092\u660e\u78ba\u306b\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30c6\u30b9\u30c8\u30b7\u30ca\u30ea\u30aa\uff1a<\/strong> \u30c6\u30b9\u30bf\u30fc\u306f\u3001\u30c6\u30b9\u30c8\u30b1\u30fc\u30b9\u4e2d\u306e\u30c7\u30fc\u30bf\u306e\u671f\u5f85\u3055\u308c\u308b\u72b6\u614b\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3053\u308c\u3089\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u306e\u5206\u6790\uff1a<\/strong> \u30b3\u30fc\u30c9\u306e\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3092\u884c\u3046\u969b\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306f\u65e2\u5b58\u306e\u30c7\u30fc\u30bf\u72b6\u614b\u3092\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u660e\u78ba\u306a\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9 \ud83d\udcdd<\/h2>\n<p>\u898f\u7d04\u306b\u5f93\u3046\u3053\u3068\u3067\u3001\u4ed6\u306e\u958b\u767a\u8005\u3084\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u304c\u56f3\u3092\u8aad\u307f\u3084\u3059\u304f\u306a\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<h3>1. \u540d\u524d\u4ed8\u3051\u898f\u5247<\/h3>\n<p>\u4e00\u8cab\u3057\u305f\u547d\u540d\u30b9\u30bf\u30a4\u30eb\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4e00\u822c\u7684\u306a\u898f\u5247\u306f<code>\u5c0f\u6587\u5b57:\u30af\u30e9\u30b9\u540d<\/code>\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001<code>user1:User<\/code>\u3053\u308c\u306b\u3088\u308a\u3001\u8aad\u8005\u306f\u3059\u3050\u306b<code>user1<\/code>\u304c<code>User<\/code>\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u3042\u308b\u3053\u3068\u3092\u7406\u89e3\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>2. \u7c21\u6f54\u306b<\/h3>\n<p>\u56f3\u306b\u591a\u3059\u304e\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u63cf\u304d\u8fbc\u307e\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u6ce8\u6587\u304c50\u4ef6\u3042\u308b\u5834\u5408\u300150\u500b\u306e\u9577\u65b9\u5f62\u3092\u63cf\u304f\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u95a2\u4fc2\u3092\u8aac\u660e\u3059\u308b\u305f\u3081\u306b\u4ee3\u8868\u7684\u306a\u30b5\u30f3\u30d7\u30eb\uff08\u4f8b\uff1a3\uff5e5\u500b\uff09\u3092\u63cf\u304f\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>3. \u4e00\u8cab\u3057\u305f\u591a\u91cd\u5ea6<\/h3>\n<p>\u30ea\u30f3\u30af\u4e0a\u306e\u591a\u91cd\u5ea6\u304c\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30eb\u30fc\u30eb\u304c\u300c1\u3064\u306e\u6ce8\u6587\u306b\u306f1\u4eba\u306e\u9867\u5ba2\u304c\u3044\u308b\u300d\u3068\u3042\u308b\u5834\u5408\u3001\u591a\u5bfe\u591a\u306e\u30ea\u30f3\u30af\u3092\u63cf\u3044\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n<h3>4. \u8272\u3068\u5f62\u72b6<\/h3>\n<p>\u3053\u3053\u3067\u306fCSS\u30b9\u30bf\u30a4\u30eb\u306f\u4f7f\u7528\u3057\u307e\u305b\u3093\u304c\u3001\u56f3\u4f5c\u6210\u30c4\u30fc\u30eb\u3067\u306f\u8272\u3092\u4f7f\u3063\u3066\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u793a\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u8d64\u306f\u30a8\u30e9\u30fc\u3001\u7dd1\u306f\u6210\u529f\u3092\u8868\u3059\u3002\u3059\u3079\u3066\u306e\u56f3\u3067\u4e00\u8cab\u6027\u3092\u6301\u305f\u305b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>5. \u5b9a\u671f\u7684\u306b\u66f4\u65b0\u3059\u308b<\/h3>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3\u306f\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u8868\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u304c\u5909\u66f4\u3055\u308c\u308b\u3068\u3001\u56f3\u306f\u53e4\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30bb\u30c3\u30c8\u5185\u306e\u52d5\u7684\u306a\u6587\u66f8\u3068\u3057\u3066\u6271\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u907f\u3051\u305f\u3044\u4e00\u822c\u7684\u306a\u30df\u30b9 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\u5c5e\u6027\u304c\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u73fe\u5728\u7a7a\u306e\u5834\u5408\u3001\u305d\u308c\u3092\u660e\u78ba\u306b\u8868\u73fe\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5024\u304c\u5b58\u5728\u3059\u308b\u3088\u3046\u306b\u898b\u3048\u308b\u306e\u306b\u7a7a\u767d\u306b\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u7d44\u6210\u306e\u904e\u5270\u4f7f\u7528\uff1a<\/strong>\u7d44\u6210\u306f\u6240\u6709\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u72ec\u7acb\u3057\u3066\u5b58\u5728\u3059\u308b\u95a2\u4fc2\u306b\u306f\u4f7f\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u30ea\u30f3\u30af\u306e\u6b20\u843d\uff1a<\/strong> 2\u3064\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u5834\u5408\u3001\u30ea\u30f3\u30af\u304c\u5fc5\u8981\u3067\u3059\u3002\u30ea\u30f3\u30af\u3092\u5fd8\u308c\u308b\u3068\u3046\u307e\u304f\u3044\u304b\u306a\u3044\u8ad6\u7406\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u8a73\u7d30\u304c\u591a\u3059\u304e\u308b\uff1a<\/strong>\u30b7\u30ca\u30ea\u30aa\u306b\u95a2\u4fc2\u3059\u308b\u5c5e\u6027\u304c\u6570\u500b\u3060\u3051\u306e\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u5c5e\u6027\u3092\u5217\u6319\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u6587\u8108\u3067\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u306b\u6ce8\u76ee\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<h2>\u5fdc\u7528\u6982\u5ff5\uff1a\u52d5\u7684\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u56f3 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