{"id":1239,"date":"2022-07-28T21:09:53","date_gmt":"2022-07-28T13:09:53","guid":{"rendered":"https:\/\/fireinsect.top\/?p=1239"},"modified":"2022-07-28T21:12:53","modified_gmt":"2022-07-28T13:12:53","slug":"css3%e8%bf%9b%e9%98%b6%e6%95%b4%e7%90%86","status":"publish","type":"post","link":"https:\/\/fireinsect.top\/index.php\/2022\/07\/28\/css3%e8%bf%9b%e9%98%b6%e6%95%b4%e7%90%86\/","title":{"rendered":"CSS3\u8fdb\u9636\u6574\u7406"},"content":{"rendered":"\n\n\n\n\n

CSS\u4f2a\u7c7b<\/p>\n\n\n\n

CSS\u4f2a\u5143\u7d20–::after\/::before<\/p>\n\n\n\n

\u4f2a\u5143\u7d20\u5c31\u662f\u5229\u7528css\u5728\u6807\u7b7e\u5185\u90e8\u7684\u524d\u9762\u6216\u8005\u540e\u9762\u6dfb\u52a0\u4e00\u4e2a\u884c\u5185\u5143\u7d20\uff0c\u8fd9\u4e2a\u884c\u5185\u5143\u7d20\u53ef\u4ee5\u7406\u89e3\u4e3aspan<\/code>\u6807\u7b7e\u3002\u5199\u6cd5\u5982\uff1a<\/p>\n\n\n\n

\/* before *\/<\/em>\n\u9009\u62e9\u5668::before{\n  \/* \u4f7f\u7528\u7a7a\u767d\u7b26\u53f7\u5360\u4f4d *\/<\/em>\n  content: '';\n}\n\n\/* after *\/<\/em>\n\u9009\u62e9\u5668::after{\n  \/* \u4f7f\u7528\u7a7a\u767d\u7b26\u53f7\u5360\u4f4d *\/<\/em>\n  content: '';\n}<\/code><\/pre>\n\n\n\n
<\/div>\n\n\n\n
\u6e05\u9664\u6d6e\u52a8<\/p>\n\n\n\n
\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u4e00\u4e2a\u7236\u6807\u7b7e\u548c\u66f4\u5177\u5176\u5b50\u6807\u7b7e\u7684\u9ad8\u5ea6\u6765\u81ea\u9002\u5e94\u8c03\u6574\u9ad8\u5ea6\u3002\u4f46\u5f53\u6211\u4eec\u7ed9\u5b50\u6807\u7b7e\u6dfb\u52a0\u6d6e\u52a8float<\/code>\u540e\uff0c\u7531\u4e8e\u5b50\u6807\u7b7e\u7684\u6d6e\u52a8\u72b6\u6001\u5bfc\u81f4\u7236\u6807\u7b7e\u4e0d\u4f1a\u8fdb\u884c\u9ad8\u5ea6\u81ea\u9002\u5e94\uff0c\u4f7f\u5176\u9ad8\u5ea6\u4e0d\u5b58\u5728\u3002\u6b64\u65f6\uff0c\u5982\u679c\u6211\u4eec\u5728\u6b64\u7236\u6807\u7b7e\u4e4b\u540e\u518d\u6b21\u6dfb\u52a0\u4e00\u4e2a\u6807\u7b7e\uff0c\u8fd9\u4e2a\u6807\u7b7e\u4f1a\u7d27\u6328\u7740\u4e0a\u4e00\u4e2a\u7236\u6807\u7b7e\u521b\u5efa(\u5373\u5f88\u6709\u53ef\u80fd\u88ab\u5b50\u6807\u7b7e\u906e\u6321)\u3002\u8fd9\u65f6\u6211\u4eec\u5c31\u9700\u8981\u4f7f\u7528\u6e05\u9664\u6d6e\u52a8\u6765\u8ba9\u7236\u6807\u7b7e\u5305\u4f4f\u6d6e\u52a8\u7684\u5b50\u5143\u7d20\u3002\u8bb0\u4f4f\u54ea\u4e2a\u76d2\u5b50\u7684\u5b50\u5143\u7d20\u6709\u6d6e\u52a8\uff0c\u5c31\u5728\u54ea\u4e2a\u76d2\u5b50\u4e0a\u6dfb\u52a0\u6e05\u9664\u6d6e\u52a8<\/strong> \u5177\u4f53\u65b9\u6cd5\u4e3a\uff1a<\/p>\n\n\n\n
.clearfix::after{\n  content: '';\n  display: block;\n  clear: both;\n}<\/code><\/pre>\n\n\n\n
<\/div>\n\n\n\n
\u4e8b\u4ef6\u4f2a\u7c7b<\/p>\n\n\n\n
\u4e8b\u4ef6\u4f2a\u7c7b\u5c31\u662f\u5f53\u8fdb\u884c\u5bf9\u5e94\u4e8b\u4ef6\u65f6\uff0c\u4f1a\u66f4\u6539\u6807\u7b7e\u7684\u6837\u5f0f\uff0c\u6bd4\u8f83\u5e38\u89c1\u7684\u5982\uff1a<\/p>\n\n\n\n
li<\/strong>:hover{} \/\/\u9f20\u6807\u60ac\u505c\nli:active{} \/\/\u9f20\u6807\u70b9\u51fb\ninput:focus{} \/\/\u83b7\u53d6\u5230\u7126\u70b9<\/code><\/pre>\n\n\n\n
<\/div>\n\n\n\n
\u5217\u8868\u4f2a\u7c7b<\/p>\n\n\n\n
\u5217\u8868\u4f2a\u7c7b\u7684\u529f\u80fd\u66f4\u50cf\u4e00\u4e2a\u9009\u62e9\u5668\uff0c\u7528\u6765\u9009\u62e9\u67d0\u4e2a\u5143\u7d20\u7684\u5b50\u5143\u7d20\uff0c\u5e76\u66f4\u6539\u5176\u6837\u5f0f\u3002\u8fd9\u91cc\u6709\u4e09\u4e2a\u6bd4\u8f83\u5e38\u89c1\u7684\uff1a<\/p>\n\n\n\n
li<\/strong>:first-child{} \/\/\u5339\u914d\u7236\u5143\u7d20\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5b50\u5143\u7d20\nli<\/strong>:last-child{} \/\/\u5339\u914d\u7236\u5143\u7d20\u4e2d\u7684\u6700\u540e\u4e00\u4e2a\u5b50\u5143\u7d20<\/code><\/pre>\n\n\n\n
\u6700\u540e\u4e00\u4e2a\u4e3a:nth-child(){}<\/code>\uff0c\u8fd9\u4e2a\u4f2a\u7c7b\u6bd4\u8f83\u590d\u6742\uff0c\u62ec\u53f7\u5185\u53ef\u4ee5\u6dfb\u52a0\u4efb\u610f\u6570\u5b57\u548c\u4e24\u4e2a\u7279\u5b9a\u7684\u5355\u8bcd odd<\/code>(\u5947\u6570)\u3001even<\/code>(\u5076\u6570)\uff0c\u4ece1\u5f00\u59cb\uff0c1\u4ee3\u8868first-child<\/code> \u5982\uff1a<\/p>\n\n\n\n
li<\/strong>:nth-child(3){\n  background-color: #3687FC;\n  color: #FFFFFF;\n}<\/code><\/pre>\n\n\n\n
<\/div>\n\n\n\n
\u9634\u5f71<\/p>\n\n\n\n
CSS3\u4e2d\u9634\u5f71\u5206\u4e3a\u4e24\u4e2a box-shadow<\/code>\u76d2\u5b50\u9634\u5f71  text-shadow<\/code>\u6587\u5b57\u9634\u5f71\uff1a<\/p>\n\n\n\n
div<\/strong>{\n    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.11);\n}\nspan{\r\n    text-shadow: 0px 0px 10px rgba(0, 0, 0, 0.11);\r\n}<\/code><\/pre>\n\n\n\n
\u8fd9\u90e8\u5206\uff0c\u66f4\u591a\u8be6\u89c1\uff1a b<\/a>ox-shadow<\/a>  text-shadow<\/a><\/p>\n\n\n\n
<\/div>\n\n\n\n
\u5355\u884c\u6587\u672c\u8d85\u51fa\u7701\u7565<\/p>\n\n\n\n
\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u6587\u672c\u5185\u5bb9\u8d85\u51fa\u6240\u7ed9\u5bbd\u5ea6\u8303\u56f4\u65f6\uff0c\u6587\u5b57\u4f1a\u81ea\u52a8\u6362\u884c\uff0c\u4f46\u6211\u4eec\u4e0d\u5e0c\u671b\u5b83\u6362\u884c\u5c31\u9700\u8981\u6587\u672c\u6ea2\u51fa\u7701\u7565\u64cd\u4f5c\u4e86\u3002<\/p>\n\n\n\n
\u8fd9\u91cc\u9700\u8981\u5b8c\u6210\u4e09\u6b65\uff1a\u5f3a\u5236\u4e0d\u6362\u884c\u3001\u5143\u7d20\u5185\u5bb9\u6ea2\u51fa\u5904\u7406\u3001\u6587\u672c\u6ea2\u51fa\u7701\u7565\u3002<\/p>\n\n\n\n
1.\u5f3a\u5236\u4e0d\u6362\u884c\uff1aH5\u4e2d\u63a8\u8350\u4f7f\u7528 white-space:nowrap<\/code> \u65b9\u6cd5\u6765\u5b9e\u73b0\u4e0d\u6362\u884c<\/p>\n\n\n\n
2.\u5143\u7d20\u5185\u5bb9\u6ea2\u51fa overflow<\/p>\n\n\n\n
\u8fd9\u4e00\u6b65\u6211\u4eec\u7684\u76ee\u6807\u662f\u8d85\u51fa\u90e8\u5206\u4e0d\u663e\u793a\uff0c\u4f7f\u7528overflow\u5c5e\u6027\u3002\u5176\u5b58\u57285\u4e2a\u6709\u6548\u503c\uff1a<\/p>\n\n\n\n
\u503c<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
visible              <\/td>\u9ed8\u8ba4\u503c\uff0c\u5185\u5bb9\u4e0d\u4f1a\u88ab\u4fee\u526a\uff0c\u4f1a\u5448\u73b0\u5728\u5143\u7d20\u6846\u4e4b\u5916<\/td><\/tr>
hidden            <\/td>\u5185\u5bb9\u4f1a\u88ab\u4fee\u526a\uff0c\u5e76\u4e14\u8d85\u51fa\u7684\u5185\u5bb9\u4e0d\u53ef\u89c1<\/td><\/tr>
inherit            <\/td>\u89c4\u5b9a\u4ece\u7236\u5143\u7d20\u7ee7\u627foverflow\u5c5e\u6027\u7684\u503c<\/td><\/tr>
scroll              <\/td>\u5185\u5bb9\u4f1a\u88ab\u4fee\u526a\uff0c\u6d4f\u89c8\u5668\u4f1a\u663e\u793a\u6eda\u52a8\u6761\u4ee5\u67e5\u770b\u8d85\u51fa\u5185\u5bb9<\/td><\/tr>
auto              <\/td>\u6d4f\u89c8\u5668\u5b9a\u593a\uff0c\u5982\u679c\u5185\u5bb9\u88ab\u4fee\u526a\uff0c\u5c31\u4f1a\u663e\u793a\u6eda\u52a8\u6761<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
3.\u6587\u672c\u6ea2\u51fa\u7701\u7565 text-overflow<\/p>\n\n\n\n
\u6211\u4eec\u7684\u76ee\u7684\u662f\u5c06\u8d85\u51fa\u5185\u5bb9\u7701\u7565\uff0c\u5e76\u7528\u7701\u7565\u53f7\u8868\u793a\uff0c\u8fd9\u4e00\u6b65\u5c31\u662fcss\u4e13\u95e8\u5904\u7406\u8fd9\u7c7b\u95ee\u9898\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n
\u5b83\u6709\u4e24\u4e2a\u503c\uff1a text-overflow:clip | ellipsis<\/code><\/p>\n\n\n\n
clip\uff1a\u9ed8\u8ba4\u503c,\u76f4\u63a5\u5c06\u8d85\u51fa\u90e8\u5206\u5207\u9664\u3002  ellipsis\uff1a\u8d85\u51fa\u90e8\u5206\u7528\u7701\u7565\u53f7\u8868\u793a<\/p>\n\n\n\n
<\/div>\n\n\n\n
\u591a\u884c\u6587\u672c\u8d85\u51fa\u7701\u7565<\/p>\n\n\n\n
\u5982\u679c\u6211\u4eec\u5e0c\u671b\u591a\u884c\u7701\u7565\uff0c\u5373\u5982\u5b9e\u73b0\uff0c\u4e24\u884c\u540e\u8d85\u51fa\u7701\u7565\uff0cWebKit\u5185\u6838\u6d4f\u89c8\u5668\u5b9e\u73b0\u8d77\u6765\u6bd4\u8f83\u7b80\u5355\uff1a<\/p>\n\n\n\n
\/* \u9690\u85cf\u8d85\u51fa\u90e8\u5206 *\/<\/em>\noverflow : hidden;\n\/* \u6587\u672c\u8d85\u51fa\u5c31\u7528\u7701\u7565\u53f7 *\/<\/em>\ntext-overflow: ellipsis;\n\/* \u628a\u5bf9\u8c61\u4f5c\u4e3a\u5f39\u6027\u4f38\u7f29\u76d2\u5b50\u6a21\u578b\u663e\u793a *\/<\/em>\ndisplay: -webkit-box;\n\/* WebKit\u5185\u6838\u7684\u6d4f\u89c8\u5668\u7684\u79c1\u6709\u5c5e\u6027\uff0c\u8bbe\u7f6e\u6587\u672c\u8d85\u51fa2\u884c\u5c31\u7528\u7701\u7565\u53f7 *\/<\/em>\n-webkit-line-clamp: 2;\n\/* WebKit\u5185\u6838\u7684\u6d4f\u89c8\u5668\u7684\u79c1\u6709\u5c5e\u6027\uff0c\u8bbe\u7f6e\u6216\u68c0\u7d22\u4f38\u7f29\u76d2\u5bf9\u8c61\u7684\u5b50\u5143\u7d20\u7684\u6392\u5217\u65b9\u5f0f *\/<\/em>\n-webkit-box-orient: vertical;<\/code><\/pre>\n\n\n\n
\u8fd9\u91cc\u6211\u4eec\u628a\u5f3a\u5236\u4e0d\u6362\u884c\u53bb\u6389\u3002\u800c\u5176\u4ed6\u5185\u6838\u5219\u9700\u8981\u4f7f\u7528js\u6765\u5b8c\u6210<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":""},"categories":[5,1],"tags":[],"class_list":["post-1239","post","type-post","status-publish","format-standard","hentry","category-5","category-wcd"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1239"}],"collection":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/comments?post=1239"}],"version-history":[{"count":5,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1239\/revisions"}],"predecessor-version":[{"id":1244,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1239\/revisions\/1244"}],"wp:attachment":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/media?parent=1239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/categories?post=1239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/tags?post=1239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}