{"id":6096,"date":"2020-05-03T19:33:09","date_gmt":"2020-05-03T11:33:09","guid":{"rendered":"https:\/\/www.lilichao.com\/?p=6096"},"modified":"2022-05-14T19:58:33","modified_gmt":"2022-05-14T11:58:33","slug":"if-else%e8%af%ad%e5%8f%a5","status":"publish","type":"post","link":"https:\/\/lilichao.com\/?p=6096","title":{"rendered":"if-else\u8bed\u53e5"},"content":{"rendered":"\n<p>\u4f5c\u4e3a\u903b\u8f91\u5224\u65ad\u8bed\u53e5\uff0cif\u8bed\u53e5\u7684\u529f\u80fd\u76f8\u5bf9\u6765\u8bf4\u662f\u6bd4\u8f83\u7b80\u5355\u7684\u3002\u5b83\u53ea\u80fd\u51b3\u5b9a\u4e00\u4e2a\u8bed\u53e5\u662f\u5426\u6267\u884c\uff0c\u800cif-else\u8bed\u53e5\u6bd4if\u8bed\u53e5\u7684\u529f\u80fd\u66f4\u8fdb\u4e86\u4e00\u6b65\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u51b3\u5b9a\u6267\u884c\u4e24\u4e2a\u8bed\u53e5\u4e2d\u7684\u54ea\u4e00\u4e2a\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>if (\u6761\u4ef6\u8868\u8fbe\u5f0f){<br>    \u8bed\u53e51<br>}else{<br>    \u8bed\u53e52<br>}<\/code><\/pre>\n\n\n\n<p>\u76f8\u6bd4\u4e0eif\u8bed\u53e5\uff0c\u8bed\u53e5\u4e2d\u591a\u4e86\u4e00\u4e2aelse\u5b50\u5757\uff0c\u7406\u89e3\u8d77\u6765\u4e5f\u975e\u5e38\u7b80\u5355\uff0c\u8fd8\u662f\u5148\u5bf9if\u540e\u7684\u6761\u4ef6\u8868\u8fbe\u5f0f\u8fdb\u884c\u5224\u65ad\uff0c\u5982\u679c\u4e3atrue\uff0c\u5219\u6267\u884cif\u540e\u7684\u8bed\u53e51\uff0c\u5982\u679c\u4e3afalse\uff0c\u5219\u6267\u884celse\u540e\u7684\u8bed\u53e52\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u73b0\u5728\u7684if\u8bed\u53e5\u6709\u4e86\u4e24\u4e2a\u9009\u62e9\uff0c\u8bed\u53e51\u548c\u8bed\u53e52\uff0c\u5b83\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u6761\u4ef6\u6765\u6267\u884c\u4e0d\u540c\u7684\u8bed\u53e5\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>if (a &gt; 10){<br>    console.log('a\u6bd410\u5927')<br>}else{<br>    console.log('a\u6ca1\u670910\u5927')<br>}<\/code><\/pre>\n\n\n\n<p>\u4e0a\u4f8b\u4ee3\u7801\u7684\u6267\u884c\u987a\u5e8f\u540c\u6837\uff0c\u5148\u5224\u65ada &gt; 10\u7684\u7ed3\u679c\uff0c\u5982\u679c\u4e3atrue\uff0c\u6267\u884cif\u540e\u7684\u8bed\u53e5\uff0c\u5982\u679c\u4e3afalse\u5219\u6267\u884celse\u540e\u7684\u8bed\u53e5\u3002<\/p>\n\n\n\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u4e5f\u53ef\u4ee5\u5c06\u591a\u4e2aif-else\u8bed\u53e5\u8fdb\u884c\u7ec4\u5408\uff0c\u7ec4\u6210\u66f4\u52a0\u590d\u6742\u7684\u8bed\u53e5\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>if (\u6761\u4ef6\u8868\u8fbe\u5f0f){\n    \u8bed\u53e51\n}else if (\u6761\u4ef6\u8868\u8fbe\u5f0f){\n    \u8bed\u53e52\n}else if (\u6761\u4ef6\u8868\u8fbe\u5f0f){\n    \u8bed\u53e53\n}<\/code>\n<code>... ...\n}else{\n    \u8bed\u53e5N\n}<\/code><\/pre>\n\n\n\n<p>\u4e0a\u4f8b\u4e2d\u7684\u8bed\u6cd5\u5b9e\u9645\u5c31\u662f\u5c06\u591a\u4e2aif-else\u8fde\u63a5\u5230\u4e86\u4e00\u8d77\uff0c\u8fd9\u79cd\u8bed\u53e5\u5728\u6267\u884c\u65f6\u4f1a\u81ea\u4e0a\u5411\u4e0b\u4f9d\u6b21\u5bf9\u6761\u4ef6\u8868\u8fbe\u5f0f\u8fdb\u884c\u5224\u65ad\uff0c\u5982\u679c\u4e3atrue\uff0c\u5219\u6267\u884c\u6267\u884c\u5176\u540e\u5bf9\u8bed\u53e5\uff0c\u5982\u679c\u4e3afalse\u5219\u7ee7\u7eed\u5411\u4e0b\u5224\u65ad\uff0c\u76f4\u5230\u627e\u5230true\u4e3a\u6b62\uff0c\u5982\u679c\u6240\u6709\u7684\u90fd\u4e3afalse\uff0c\u5219\u6267\u884celse\u540e\u7684\u8bed\u53e5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u4e3a\u903b\u8f91\u5224\u65ad\u8bed\u53e5\uff0cif\u8bed\u53e5\u7684\u529f\u80fd\u76f8\u5bf9\u6765\u8bf4\u662f\u6bd4\u8f83\u7b80\u5355\u7684\u3002\u5b83\u53ea\u80fd\u51b3\u5b9a\u4e00\u4e2a\u8bed\u53e5\u662f\u5426\u6267\u884c\uff0c\u800cif-else\u8bed\u53e5\u6bd4if\u8bed [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6148,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[241],"tags":[248,200,234,249],"_links":{"self":[{"href":"https:\/\/lilichao.com\/index.php?rest_route=\/wp\/v2\/posts\/6096"}],"collection":[{"href":"https:\/\/lilichao.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lilichao.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lilichao.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lilichao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6096"}],"version-history":[{"count":2,"href":"https:\/\/lilichao.com\/index.php?rest_route=\/wp\/v2\/posts\/6096\/revisions"}],"predecessor-version":[{"id":6098,"href":"https:\/\/lilichao.com\/index.php?rest_route=\/wp\/v2\/posts\/6096\/revisions\/6098"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lilichao.com\/index.php?rest_route=\/wp\/v2\/media\/6148"}],"wp:attachment":[{"href":"https:\/\/lilichao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lilichao.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lilichao.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}