{"id":1237,"date":"2019-09-09T21:30:50","date_gmt":"2019-09-09T13:30:50","guid":{"rendered":"https:\/\/www.develop-note.com\/blog\/?p=1237"},"modified":"2022-02-17T15:20:24","modified_gmt":"2022-02-17T07:20:24","slug":"2020ironman-svelte-if-else","status":"publish","type":"post","link":"https:\/\/www.develop-note.com\/blog\/2019\/09\/09\/2020ironman-svelte-if-else\/","title":{"rendered":"\u7b2c\u5341\u4e00\u5c46\u9435\u4eba\u8cfd \u524d\u7aef\u5de5\u7a0b\u5e2b\u7684\u53e6\u4e00\u500b\u9078\u64c7 svelte DAY08-if else\u4e5f\u53ef\u4ee5\u5594"},"content":{"rendered":"

\u5982\u4f55\u6c7a\u5b9a\u8981\u4e0d\u8981\u986f\u793a<\/h1>\n

\u6628\u5929\u6559\u6388\u5927\u5bb6\u5982\u4f55\u5c07\u9663\u5217\u5167\u7684\u8cc7\u6599\u900f\u904e\u7d44\u4ef6\u986f\u793a\u51fa\u4f86\uff0c\u4f46\u662f\u5982\u679c\u4e0d\u60f3\u986f\u793a\u67d0\u500b\u8cc7\u6599\u6642\u8a72\u5982\u4f55\u8655\u7406\u5462\uff1f\u4eca\u5929\u5c31\u6559\u6388\u5927\u5bb6\u5982\u4f55\u5728 svelte \u5b8c\u6210\u9019\u9700\u6c42\u3002<\/p>\n

<\/p>\n

ifelse<\/h1>\n

\u76f8\u4fe1\u5927\u5bb6\u5c0d\u65bc if else<\/code> \u61c9\u8a72\u4e0d\u964c\u751f\uff0c\u7c21\u55ae\u8b1b\u5c31\u662f\u82e5\u689d\u4ef6\u6210\u7acb\u6642\u5c31\u6703\u57f7\u884c\u5340\u584a\u5167\u7684\u7a0b\u5f0f\uff0c\u6240\u4ee5\u4eca\u5929 svelte \u628a\u9019\u529f\u80fd\u5957\u7528\u5728 html \u4e0a\u3002<\/p>\n

\u5c31\u5982\u540c foreach \u4e00\u822c\uff0c svelte \u5728 html \u4e0a\u7684\u8a9e\u6cd5\u662f <\/code> \u5305\u593e\u8d77\u4f86\u7684\uff0c\u56e0\u6b64 if else<\/code> \u8a9e\u6cd5\u5982\u4e0b<\/p>\n

{#if expression}\n...\n{:else if expression}\n...\n{\/if}<\/code><\/pre>\n
\u56e0\u6b64\u7576\u6211\u5011\u4e0d\u60f3\u8981\u986f\u793a\u67d0\u4e9b\u8cc7\u8a0a\u6211\u5011\u53ef\u4ee5\u9019\u9ebc\u505a\u3002<\/p>\n
{#if item.enable}\n<HelloWorld {name=item.name} \/>\n{\/if}<\/code><\/pre>\n
\u9019\u6642\u53ea\u6709\u6211\u5011\u8a2denable\u70batrue\u7684\u503c\u624d\u6703\u51fa\u73fe\u5728\u6e32\u67d3\u7684html\u4e0a\u3002<\/p>\n
\u5c0f\u7d50<\/h1>\n
\u4eca\u5929\u8ddf\u5404\u4f4d\u5206\u4eab\u4e86if else\u5224\u65b7\u5f0f\uff0c\u76f8\u4fe1\u5230\u4eca\u5929\u70ba\u6b62\u53ef\u4ee5\u5b8c\u6210\u5f88\u591a\u9700\u6c42\uff0c\u660e\u5929\u518d\u8ddf\u5927\u5bb6\u5206\u4eab\u4e00\u4e0b$\u9019\u7b26\u865f\u7684\u529f\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u6c7a\u5b9a\u8981\u4e0d\u8981\u986f\u793a \u6628\u5929\u6559\u6388\u5927\u5bb6\u5982\u4f55\u5c07\u9663\u5217\u5167\u7684\u8cc7\u6599\u900f\u904e\u7d44\u4ef6\u986f\u793a\u51fa\u4f86\uff0c\u4f46\u662f\u5982\u679c\u4e0d\u60f3\u986f\u793a\u67d0\u500b\u8cc7\u6599\u6642\u8a72\u5982\u4f55\u8655\u7406\u5462\uff1f\u4eca … <\/p>\n
\u95b1\u8b80\u5168\u6587\u3008\u7b2c\u5341\u4e00\u5c46\u9435\u4eba\u8cfd \u524d\u7aef\u5de5\u7a0b\u5e2b\u7684\u53e6\u4e00\u500b\u9078\u64c7 svelte DAY08-if else\u4e5f\u53ef\u4ee5\u5594\u3009<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[2],"tags":[160,79],"class_list":["post-1237","post","type-post","status-publish","format-standard","hentry","category-develop","tag-2019ironman","tag-svelte"],"_links":{"self":[{"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/posts\/1237","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/comments?post=1237"}],"version-history":[{"count":7,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/posts\/1237\/revisions"}],"predecessor-version":[{"id":3016,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/posts\/1237\/revisions\/3016"}],"wp:attachment":[{"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/media?parent=1237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/categories?post=1237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.develop-note.com\/blog\/wp-json\/wp\/v2\/tags?post=1237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}