{"id":4341,"date":"2025-06-13T09:18:45","date_gmt":"2025-06-17T01:37:45","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4341"},"modified":"2025-06-17T09:18:45","modified_gmt":"2025-06-17T01:37:45","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8vue-js%e7%b5%84%e4%bb%b6%e5%88%97%e8%a1%a8%e6%b8%b2%e6%9f%93","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/vue-js\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8vue-js%e7%b5%84%e4%bb%b6%e5%88%97%e8%a1%a8%e6%b8%b2%e6%9f%93\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 Vue.js \u7d44\u4ef6\u5217\u8868\u6e32\u67d3 (v-for) \u7684\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Vue.js, \u7d44\u4ef6\u5217\u8868\u6e32\u67d3, v-for, JavaScript, Web \u958b\u767c\"><\/p>\n<h1>\u4f7f\u7528 Vue.js \u7684\u7d44\u4ef6\u5217\u8868\u6e32\u67d3 (v-for) \u7684\u6700\u4f73\u5be6\u8e10<\/h1>\n<p>Vue.js \u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684 JavaScript \u6846\u67b6\uff0c\u4f7f\u958b\u767c\u8005\u80fd\u5920\u5feb\u901f\u958b\u767c\u9ad8\u54c1\u8cea\u7684 Web \u61c9\u7528\u7a0b\u5f0f\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u6df1\u5165\u63a2\u8a0e Vue.js \u7684\u7d44\u4ef6\u5217\u8868\u6e32\u67d3\u529f\u80fd\uff0c\u7279\u5225\u662f `v-for` \u6307\u4ee4\uff0c\u4e26\u4ecb\u7d39 2025 \u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u4ee5\u5e6b\u52a9\u60a8\u66f4\u9ad8\u6548\u5730\u5c07\u8cc7\u6599\u6e32\u67d3\u5230\u7db2\u9801\u4e0a\u3002<\/p>\n<h2>\u4ec0\u9ebc\u662f\u7d44\u4ef6\u5217\u8868\u6e32\u67d3 (v-for)<\/h2>\n<p>\u7d44\u4ef6\u5217\u8868\u6e32\u67d3 (v-for) \u662f Vue.js \u63d0\u4f9b\u7684\u4e00\u500b\u5f37\u5927\u529f\u80fd\uff0c\u5141\u8a31\u958b\u767c\u8005\u5c07\u9663\u5217\u4e2d\u7684\u8cc7\u6599\u9010\u4e00\u6e32\u67d3\u5230\u7db2\u9801\u4e0a\uff0c\u800c\u7121\u9700\u624b\u52d5\u7de8\u5beb\u591a\u500b HTML \u6a19\u7c64\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u958b\u767c\u6548\u7387\uff0c\u9084\u4f7f\u7a0b\u5f0f\u78bc\u66f4\u52a0\u7c21\u6f54\u53ef\u8b80\u3002<\/p>\n<h2>\u5982\u4f55\u4f7f\u7528\u7d44\u4ef6\u5217\u8868\u6e32\u67d3 (v-for)<\/h2>\n<p>\u4f7f\u7528 Vue.js \u7684 `v-for` \u529f\u80fd\u975e\u5e38\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 `v-for` \u6e32\u67d3\u8cc7\u6599\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<p>1. **\u5b9a\u7fa9 Vue \u5be6\u4f8b**<br \/>\n   \u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5728 HTML \u4e2d\u5b9a\u7fa9\u4e00\u500b Vue \u7d44\u4ef6\uff0c\u4e26\u5728\u7d44\u4ef6\u4e2d\u5b9a\u7fa9\u4e00\u500b\u9663\u5217\u4f86\u5b58\u653e\u8981\u6e32\u67d3\u7684\u8cc7\u6599\uff1a<\/p>\n<pre><code class=\"language-html\">\n<div id=\"app\">\n    <div v-for=\"item in items\" :key=\"item\">\n        {{ item }}\n    <\/div>\n<\/div>\n   <\/code><\/pre>\n<p>   \u5728\u9019\u88e1\uff0c\u6211\u5011\u4f7f\u7528 `v-for` \u6307\u4ee4\u4f86\u904d\u6b77 `items` \u9663\u5217\u3002\u6ce8\u610f\uff0c\u70ba\u4e86\u63d0\u9ad8\u6548\u7387\uff0c\u6211\u5011\u9084\u589e\u52a0\u4e86 `:key` \u5c6c\u6027\uff0c\u4ee5\u4fbf Vue \u80fd\u5920\u6709\u6548\u8ffd\u8e64\u6bcf\u500b\u9805\u76ee\u7684\u8b8a\u5316\u3002<\/p>\n<p>2. **\u5b9a\u7fa9\u8cc7\u6599**<br \/>\n   \u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5728 JavaScript \u4e2d\u5275\u5efa\u4e00\u500b Vue \u5be6\u4f8b\uff0c\u4e26\u5c07\u8cc7\u6599\u50b3\u5165\uff1a<\/p>\n<pre><code class=\"language-javascript\">\nvar app = new Vue({\n    el: '#app',\n    data: {\n        items: [\n            'Apple',\n            'Banana',\n            'Orange'\n        ]\n    }\n});\n   <\/code><\/pre>\n<p>3. **\u6e32\u67d3\u8cc7\u6599**<br \/>\n   \u7576\u6211\u5011\u5b8c\u6210\u4e0a\u8ff0\u6b65\u9a5f\u5f8c\uff0c\u8cc7\u6599\u5c07\u81ea\u52d5\u6e32\u67d3\u5230\u7db2\u9801\u4e0a\u3002\u4ee5\u4e0b\u662f\u6e32\u67d3\u7684\u7d50\u679c\uff1a<\/p>\n<div id=\"app\">\n<div><strong style=\"color: #0099cc;\">Apple<\/strong><\/div>\n<div><strong style=\"color: #0099cc;\">Banana<\/strong><\/div>\n<div><strong style=\"color: #0099cc;\">Orange<\/strong><\/div>\n<\/p><\/div>\n<h2>\u932f\u8aa4\u6392\u9664\u8207\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u4f7f\u7528 `v-for` \u6642\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u932f\u8aa4\uff0c\u4f8b\u5982\uff1a<br \/>\n&#8211; **\u672a\u6b63\u78ba\u8a2d\u7f6e `:key` \u5c6c\u6027**\uff1a\u9019\u6703\u5c0e\u81f4\u6e32\u67d3\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u53ef\u80fd\u51fa\u73fe\u8cc7\u6599\u932f\u4e82\u3002<br \/>\n&#8211; **\u4e0d\u6b63\u78ba\u7684\u8cc7\u6599\u683c\u5f0f**\uff1a\u78ba\u4fdd\u50b3\u905e\u7684\u8cc7\u6599\u78ba\u5be6\u662f\u4e00\u500b\u9663\u5217\u3002<\/p>\n<h2>\u5ef6\u4f38\u61c9\u7528<\/h2>\n<p>\u9664\u4e86\u57fa\u672c\u7684\u8cc7\u6599\u6e32\u67d3\uff0c`v-for` \u9084\u53ef\u4ee5\u8207\u5176\u4ed6 Vue \u529f\u80fd\u7d50\u5408\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 `v-if` \u4f86\u689d\u4ef6\u6e32\u67d3\u7279\u5b9a\u9805\u76ee\uff0c\u6216\u4f7f\u7528\u8a08\u7b97\u5c6c\u6027\u4f86\u52d5\u614b\u751f\u6210\u9663\u5217\u3002\u9019\u4f7f\u5f97 Vue.js \u6210\u70ba\u4e00\u500b\u9748\u6d3b\u4e14\u5f37\u5927\u7684\u6846\u67b6\uff0c\u53ef\u4ee5\u8655\u7406\u5404\u7a2e\u8907\u96dc\u7684 Web \u61c9\u7528\u9700\u6c42\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528 Vue.js \u7684\u7d44\u4ef6\u5217\u8868\u6e32\u67d3 (v-for) \u529f\u80fd\uff0c\u958b\u767c\u8005\u80fd\u5920\u9ad8\u6548\u5730\u5c07\u8cc7\u6599\u6e32\u67d3\u5230\u7db2\u9801\u4e0a\u3002\u900f\u904e\u672c\u6587\u4ecb\u7d39\u7684\u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u60a8\u5c07\u80fd\u5920\u66f4\u5feb\u5730\u958b\u767c\u51fa\u9ad8\u54c1\u8cea\u7684 Web \u61c9\u7528\u7a0b\u5f0f\uff0c\u4e26\u5927\u5e45\u6e1b\u5c11\u958b\u767c\u6642\u9593\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<h3>Q1: `v-for` \u5982\u4f55\u8655\u7406\u91cd\u8907\u7684\u8cc7\u6599\u9805\u76ee\uff1f<\/h3>\n<p>A: \u4f7f\u7528 `:key` \u5c6c\u6027\u53ef\u4ee5\u5e6b\u52a9 Vue \u8ffd\u8e64\u5404\u500b\u9805\u76ee\uff0c\u5f9e\u800c\u6e96\u78ba\u66f4\u65b0\u548c\u6e32\u67d3\u8cc7\u6599\u3002\u5982\u679c\u9805\u76ee\u91cd\u8907\uff0c\u8acb\u78ba\u4fdd `key` \u7684\u552f\u4e00\u6027\u3002<\/p>\n<h3>Q2: \u6211\u53ef\u4ee5\u5728 `v-for` \u4e2d\u4f7f\u7528\u5176\u4ed6\u6307\u4ee4\u55ce\uff1f<\/h3>\n<p>A: \u662f\u7684\uff0c\u60a8\u53ef\u4ee5\u5728 `v-for` \u4e2d\u4f7f\u7528\u5176\u4ed6\u6307\u4ee4\uff0c\u4f8b\u5982 `v-if` \u4f86\u6839\u64da\u689d\u4ef6\u986f\u793a\u6216\u96b1\u85cf\u7279\u5b9a\u9805\u76ee\u3002<\/p>\n<h3>Q3: \u5982\u4f55\u52d5\u614b\u6dfb\u52a0\u6216\u522a\u9664\u5217\u8868\u4e2d\u7684\u9805\u76ee\uff1f<\/h3>\n<p>A: \u60a8\u53ef\u4ee5\u4f7f\u7528 Vue \u7684\u6578\u64da\u7d81\u5b9a\u529f\u80fd\uff0c\u900f\u904e\u4fee\u6539 `items` \u9663\u5217\u4f86\u52d5\u614b\u6dfb\u52a0\u6216\u522a\u9664\u9805\u76ee\uff0cVue \u6703\u81ea\u52d5\u66f4\u65b0 UI\u3002<\/p>\n<p>&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528Vue.js\u7d44\u4ef6\u5217\u8868\u6e32\u67d3\uff0c\u4e86\u89e3\u5982\u4f55\u4f7f\u7528v-for\u6307\u4ee4\uff0c\u4ee5\u53ca\u5982\u4f55\u5c07\u8cc7\u6599\u6e32\u67d3\u5230\u7d44\u4ef6\u4e2d\uff0c\u8b93\u4f60\u7684\u7db2\u9801\u66f4\u52a0\u7f8e\u89c0\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[180,179],"tags":[178,177],"class_list":["post-4341","post","type-post","status-publish","format-standard","hentry","category-vue","category-vue-js","tag-vue","tag-vue-js"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-181","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4341","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=4341"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4341\/revisions"}],"predecessor-version":[{"id":4342,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4341\/revisions\/4342"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}