{"id":7967,"date":"2023-11-28T20:08:34","date_gmt":"2023-11-28T12:08:34","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=7967"},"modified":"2023-12-02T21:14:55","modified_gmt":"2023-12-02T13:14:55","slug":"vue-zhongvif-hevfor-tong-shi-shi-yong-zai-tong-yi","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/vue-zhongvif-hevfor-tong-shi-shi-yong-zai-tong-yi\/","title":{"rendered":"Vue \u4e2d v-if \u548c v-for \u540c\u65f6\u4f7f\u7528\u5728\u540c\u4e00\u4e2a\u6807\u7b7e\u4e0a\u7684\u8868\u73b0\uff1f"},"content":{"rendered":"<p>\u5728 Vue \u4e2d\uff0c<code>v-if<\/code> \u548c <code>v-for<\/code> \u540c\u65f6\u4f7f\u7528\u5728\u540c\u4e00\u4e2a\u6807\u7b7e\u4e0a\u65f6\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u5916\u884c\u4e3a\uff0c\u7279\u522b\u662f\u5728\u6d89\u53ca\u5230\u5217\u8868\u6e32\u67d3\u65f6\u3002\u8fd9\u662f\u56e0\u4e3a <code>v-for<\/code> \u62e5\u6709\u6bd4 <code>v-if<\/code> \u66f4\u9ad8\u7684\u4f18\u5148\u7ea7\u3002<\/p>\n<p>\u5f53 <code>v-if<\/code> \u548c <code>v-for<\/code> \u540c\u65f6\u5b58\u5728\u4e8e\u540c\u4e00\u4e2a\u6807\u7b7e\u4e0a\u65f6\uff0c<code>v-for<\/code> \u6bd4 <code>v-if<\/code> \u5177\u6709\u66f4\u9ad8\u7684\u4f18\u5148\u7ea7\uff0c\u610f\u5473\u7740 <code>v-if<\/code> \u5c06\u88ab\u89c6\u4e3a\u5e94\u7528\u5728\u6bcf\u4e2a\u5faa\u73af\u9879\u4e0a\uff0c\u800c\u4e0d\u662f\u6574\u4e2a\u5217\u8868\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u4e0d\u5fc5\u8981\u7684\u6e32\u67d3\u548c\u6027\u80fd\u95ee\u9898\u3002<\/p>\n<p>\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-html\">&lt;div v-for=&quot;item in items&quot; v-if=&quot;item.isActive&quot;&gt;\n  {{ item.text }}\n&lt;\/div&gt;\n<\/code><\/pre>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c<code>v-if=&quot;item.isActive&quot;<\/code> \u5c06\u5e94\u7528\u5728\u6bcf\u4e2a <code>item<\/code> \u4e0a\u3002\u5982\u679c\u5927\u591a\u6570 <code>item<\/code> \u7684 <code>isActive<\/code> \u5c5e\u6027\u4e3a <code>false<\/code>\uff0c\u90a3\u4e9b\u4e0d\u6ee1\u8db3\u6761\u4ef6\u7684\u9879\u4e5f\u4f1a\u88ab\u521b\u5efa\u548c\u6e32\u67d3\uff0c\u9020\u6210\u6027\u80fd\u4e0a\u7684\u6d6a\u8d39\u3002<\/p>\n<p>\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\uff0c\u5efa\u8bae\u5c06 <code>v-if<\/code> \u79fb\u52a8\u5230\u5305\u88f9\u5143\u7d20\u6216\u5c06\u5176\u653e\u7f6e\u5728\u4e0d\u540c\u7684\u5143\u7d20\u4e0a\uff0c\u786e\u4fdd <code>v-for<\/code> \u4f5c\u7528\u7684\u662f\u9700\u8981\u5faa\u73af\u7684\u5143\u7d20\uff0c\u800c <code>v-if<\/code> \u63a7\u5236\u6574\u4e2a\u5143\u7d20\u662f\u5426\u663e\u793a\u3002<\/p>\n<p>\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-html\">&lt;div v-for=&quot;item in items&quot;&gt;\n  &lt;div v-if=&quot;item.isActive&quot;&gt;\n    {{ item.text }}\n  &lt;\/div&gt;\n&lt;\/div&gt;\n<\/code><\/pre>\n<p>\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd <code>v-for<\/code> \u548c <code>v-if<\/code> \u6b63\u786e\u5730\u5e94\u7528\u5728\u5404\u81ea\u7684\u4f5c\u7528\u57df\u4e0a\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6027\u80fd\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Vue \u4e2d\uff0cv-if \u548c v-for \u540c\u65f6\u4f7f\u7528\u5728\u540c\u4e00\u4e2a\u6807\u7b7e\u4e0a\u65f6\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u5916\u884c\u4e3a\uff0c\u7279\u522b\u662f\u5728\u6d89\u53ca\u5230\u5217\u8868\u6e32\u67d3\u65f6 [&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-7967","post","type-post","status-publish","format-standard","hentry","category-vue"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7967","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=7967"}],"version-history":[{"count":3,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7967\/revisions"}],"predecessor-version":[{"id":14027,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7967\/revisions\/14027"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=7967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=7967"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=7967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}