{"id":7642,"date":"2023-11-28T19:49:50","date_gmt":"2023-11-28T11:49:50","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=7642"},"modified":"2023-12-01T22:18:16","modified_gmt":"2023-12-01T14:18:16","slug":"vue-zhongvif-hevfor-de-you-xian","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/vue-zhongvif-hevfor-de-you-xian\/","title":{"rendered":"Vue \u4e2d v-if \u548c v-for \u7684\u4f18\u5148\uff1f"},"content":{"rendered":"<p>\u5728 Vue \u4e2d\uff0c<code>v-for<\/code> \u62e5\u6709\u6bd4 <code>v-if<\/code> \u66f4\u9ad8\u7684\u4f18\u5148\u7ea7\u3002\u8fd9\u610f\u5473\u7740\u5f53\u5b83\u4eec\u540c\u65f6\u5b58\u5728\u4e8e\u540c\u4e00\u4e2a DOM \u5143\u7d20\u4e0a\u65f6\uff0c<code>v-for<\/code> \u7684\u4f18\u5148\u7ea7\u66f4\u9ad8\uff0c\u4f1a\u5148\u88ab\u89e3\u6790\u548c\u6267\u884c\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5f53\u4e00\u4e2a\u5143\u7d20\u4f7f\u7528\u4e86 <code>v-for<\/code> \u6765\u6e32\u67d3\u5217\u8868\uff0c\u5e76\u4e14\u5728\u8fd9\u4e2a\u5143\u7d20\u4e0a\u4f7f\u7528\u4e86 <code>v-if<\/code>\uff0c<code>v-for<\/code> \u4f1a\u9996\u5148\u6267\u884c\uff0c\u7136\u540e\u624d\u662f <code>v-if<\/code>\u3002\u8fd9\u610f\u5473\u7740 <code>v-for<\/code> \u5c06\u4f1a\u57fa\u4e8e\u5217\u8868\u7684\u6570\u636e\u6e32\u67d3\u51fa\u5bf9\u5e94\u6570\u91cf\u7684\u5143\u7d20\uff0c\u7136\u540e <code>v-if<\/code> \u4f1a\u5728\u6bcf\u4e2a\u5143\u7d20\u4e0a\u5355\u72ec\u5224\u65ad\u6761\u4ef6\uff0c\u51b3\u5b9a\u662f\u5426\u663e\u793a\u3002<\/p>\n<pre><code class=\"language-vue\">&lt;div v-for=&quot;item in items&quot; v-if=&quot;item.isActive&quot;&gt;\n  {{ item.name }}\n&lt;\/div&gt;\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>v-for<\/code> \u5148\u6839\u636e <code>items<\/code> \u5217\u8868\u6e32\u67d3\u51fa\u4e00\u7cfb\u5217\u5143\u7d20\uff0c\u7136\u540e\u5728\u6bcf\u4e2a\u5143\u7d20\u4e0a\u6267\u884c <code>v-if<\/code>\uff0c\u6839\u636e <code>item.isActive<\/code> \u7684\u503c\u51b3\u5b9a\u662f\u5426\u663e\u793a\u8be5\u5143\u7d20\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Vue \u4e2d\uff0cv-for \u62e5\u6709\u6bd4 v-if \u66f4\u9ad8\u7684\u4f18\u5148\u7ea7\u3002\u8fd9\u610f\u5473\u7740\u5f53\u5b83\u4eec\u540c\u65f6\u5b58\u5728\u4e8e\u540c\u4e00\u4e2a DOM \u5143\u7d20\u4e0a\u65f6\uff0c [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-7642","post","type-post","status-publish","format-standard","hentry","category-vue"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7642","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=7642"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7642\/revisions"}],"predecessor-version":[{"id":13932,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7642\/revisions\/13932"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=7642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=7642"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=7642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}