{"id":11997,"date":"2023-11-28T22:40:00","date_gmt":"2023-11-28T14:40:00","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11997"},"modified":"2023-11-28T22:40:04","modified_gmt":"2023-11-28T14:40:04","slug":"qian-duan-mian-shi-ti-zen-me-li-jiepromise-dui-xia","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/qian-duan-mian-shi-ti-zen-me-li-jiepromise-dui-xia\/","title":{"rendered":"\u524d\u7aef\u9762\u8bd5\u9898\uff1a\u600e\u4e48\u7406\u89e3Promise\u5bf9\u8c61\uff1f"},"content":{"rendered":"<p>Promise\u5bf9\u8c61\u6709\u5982\u4e0b\u4e24\u4e2a\u7279\u70b9\uff1a<br \/>\n1\u3001\t\u5bf9\u8c61\u7684\u72b6\u6001\u4e0d\u53d7\u5916\u754c\u5f71\u54cd\u3002Promise\u5bf9\u8c61\u5171\u6709\u4e09\u79cd\u72b6\u6001pending\u3001fulfilled\u3001rejected\u3002 \u72b6\u6001\u503c\u53ea\u4f1a\u88ab\u5f02\u6b65\u7ed3\u679c\u51b3\u5b9a\uff0c\u5176\u4ed6\u4efb\u4f55\u64cd\u4f5c\u65e0\u6cd5\u6539\u53d8\u3002<br \/>\n2\u3001\t\u72b6\u6001\u4e00\u65e6\u6210\u578b\uff0c\u5c31\u4e0d\u4f1a\u518d\u53d8\uff0c\u4e14\u4efb\u4f55\u65f6\u5019\u90fd\u53ef\u5f97\u5230\u8fd9\u4e2a\u7ed3\u679c\u3002\u72b6\u6001\u503c\u4f1a\u7531pending\u53d8\u4e3a fulfilled \u6216 rejected,\u8fd9\u65f6\u5373\u4e3a resolved\u3002<br \/>\nPromise\u7684\u7f3a\u70b9\u6709\u5982\u4e0b\u4e09\u4e2a\u7f3a\u70b9\uff1a<br \/>\n1\u3001\tPromise \u4e00\u65e6\u6267\u884c\u4fbf\u65e0\u6cd5\u88ab\u53d6\u6d88\uff1b<br \/>\n2\u3001\t\u4e0d\u53ef\u8bbe\u7f6e\u56de\u8c03\u51fd\u6570\uff0c\u5176\u5185\u90e8\u53d1\u751f\u7684\u9519\u8bef\u65e0\u6cd5\u6355\u83b7\uff1b<br \/>\n3\u3001\t\u5f53\u5904\u4e8epending\u72b6\u6001\u65f6\uff0c\u65e0\u6cd5\u5f97\u77e5\u5176\u5177\u4f53\u53d1\u5c55\u5230\u4e86\u54ea\u4e2a\u9636\u6bb5\u3002<br \/>\nPomise\u4e2d\u5e38\u7528\u7684\u65b9\u6cd5\u6709\uff1a<br \/>\n1\u3001\tPromise. prototype. then(): Promise\u5b9e\u4f8b\u7684\u72b6\u6001\u53d1\u751f\u6539\u53d8\u65f6\uff0c\u4f1a\u8c03\u7528then\u5185\u90e8\u7684\u56de\u8c03 \u51fd\u6570\u3002then\u65b9\u6cd5\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570(\u7b2c\u4e00\u4e2a\u4e3aresolved\u72b6\u6001\u65f6\u65f6\u6267\u884c\u7684\u56de\u8c03\uff0c\u7b2c\u4e00\u4e2a\u4e3arejected \u72b6\u6001\u65f6\u65f6\u6267\u884c\u7684\u56de\u8c03)<br \/>\n2\u3001\tPromise. prototype. catch(): .then(null, rejection)\u6216.then(undefined, rejection) \u7684\u522b\u540d\uff0c\u7528\u4e8e\u6307\u5b9a\u53d1\u751f\u9519\u8bef\u65f6\u7684\u56de\u8c03\u51fd\u6570\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Promise\u5bf9\u8c61\u6709\u5982\u4e0b\u4e24\u4e2a\u7279\u70b9\uff1a 1\u3001 \u5bf9\u8c61\u7684\u72b6\u6001\u4e0d\u53d7\u5916\u754c\u5f71\u54cd\u3002Promise\u5bf9\u8c61\u5171\u6709\u4e09\u79cd\u72b6\u6001pending [&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-11997","post","type-post","status-publish","format-standard","hentry","category-qianduan"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11997","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=11997"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11997\/revisions"}],"predecessor-version":[{"id":11998,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11997\/revisions\/11998"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11997"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11997"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11997"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}