{"id":13278,"date":"2023-11-29T10:54:22","date_gmt":"2023-11-29T02:54:22","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=13278"},"modified":"2023-11-29T10:54:27","modified_gmt":"2023-11-29T02:54:27","slug":"qian-duan-mian-shi-ticomputed-hewatch-you-shen-me","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/29\/qian-duan-mian-shi-ticomputed-hewatch-you-shen-me\/","title":{"rendered":"\u524d\u7aef\u9762\u8bd5\u9898\uff1acomputed\u548cwatch\u6709\u4ec0\u4e48\u533a\u522b\uff1f"},"content":{"rendered":"<p>computed:<br \/>\n1\u3001\tcomputed\u662f\u8ba1\u7b97\u5c5e\u6027,\u4e5f\u5c31\u662f\u8ba1\u7b97\u503c\uff0c\u5b83\u66f4\u591a\u7528\u4e8e\u8ba1\u7b97\u503c\u7684\u573a\u666f<br \/>\n2\u3001\tcomputed\u5177\u6709\u7f13\u5b58\u6027,computed\u7684\u503c\u5728getter\u6267\u884c\u540e\u662f\u4f1a\u7f13\u5b58\u7684\uff0c\u53ea\u6709\u5728\u5b83\u4f9d\u8d56\u7684\u5c5e\u6027 \u503c\u6539\u53d8\u4e4b\u540e\uff0c\u4e0b\u4e00\u6b21\u83b7\u53d6computed\u7684\u503c\u65f6\u624d\u4f1a\u91cd\u65b0\u8c03\u7528\u5bf9\u5e94\u7684getter\u6765\u8ba1\u7b97<br \/>\n3\u3001\tcomputed\u9002\u7528\u4e8e\u8ba1\u7b97\u6bd4\u8f83\u6d88\u8017\u6027\u80fd\u7684\u8ba1\u7b97\u573a\u666f<br \/>\nwatch:<br \/>\n1\u3001\t\u66f4\u591a\u7684\u662f\u300c\u89c2\u5bdf\u300d\u7684\u4f5c\u7528\uff0c\u7c7b\u4f3c\u4e8e\u67d0\u4e9b\u6570\u636e\u7684\u76d1\u542c\u56de\u8c03\uff0c\u7528\u4e8e\u89c2\u5bdfprops $emit\u6216\u8005\u672c\u7ec4\u4ef6 \u7684\u503c\uff0c\u5f53\u6570\u636e\u53d8\u5316\u65f6\u6765\u6267\u884c\u56de\u8c03\u8fdb\u884c\u540e\u7eed\u64cd\u4f5c<br \/>\n2\u3001\t\u65e0\u7f13\u5b58\u6027\uff0c\u9875\u9762\u91cd\u65b0\u6e32\u67d3\u65f6\u503c\u4e0d\u53d8\u5316\u4e5f\u4f1a\u6267\u884c<br \/>\n\u5c0f\u7ed3\uff1a<br \/>\n1\u3001\t\u5f53\u6211\u4eec\u8981\u8fdb\u884c\u6570\u503c\u8ba1\u7b97\uff0c\u800c\u4e14\u4f9d\u8d56\u4e8e\u5176\u4ed6\u6570\u636e\uff0c\u90a3\u4e48\u628a\u8fd9\u4e2a\u6570\u636e\u8bbe\u8ba1\u4e3acomputed<br \/>\n2\u3001\t\u5982\u679c\u4f60\u9700\u8981\u5728\u67d0\u4e2a\u6570\u636e\u53d8\u5316\u65f6\u505a\u4e00\u4e9b\u4e8b\u60c5\uff0c\u4f7f\u7528watch\u6765\u89c2\u5bdf\u8fd9\u4e2a\u6570\u636e\u53d8\u5316<\/p>\n","protected":false},"excerpt":{"rendered":"<p>computed: 1\u3001 computed\u662f\u8ba1\u7b97\u5c5e\u6027,\u4e5f\u5c31\u662f\u8ba1\u7b97\u503c\uff0c\u5b83\u66f4\u591a\u7528\u4e8e\u8ba1\u7b97\u503c\u7684\u573a\u666f 2\u3001 comput [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[103],"tags":[],"class_list":["post-13278","post","type-post","status-publish","format-standard","hentry","category-qianduan"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/13278","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\/8"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=13278"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/13278\/revisions"}],"predecessor-version":[{"id":13279,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/13278\/revisions\/13279"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=13278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=13278"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=13278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}