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鏃ユ鑳介噺瀵勮錛氬姫鍔涜鑷繁瀹炲姏榪囦漢錛屾墠鑳借繃涓婂埆浜哄彛涓殑閿﹂菠浜虹敓銆傛兂瑕佺垎媯氱殑榪愭皵錛岄鍏堝緱浠樺嚭鏇村鐨勬睏姘達紒
璇硶錛歴witch錛堝彉閲忥級{
case 鍊?:document.write();
Break;
case 鍊?:
document.write();
Break;
......
Default:document.write();
}
鎵ц錛氬彉閲弉 鍜屽€?姣旇緝錛屽鏋滅浉鍚岋紝灝變細鎵ц鍊?鍚庤鍗栧紕鐨勭殑鍐呭錛屽鏋滀笉鐩稿悓鐨勮瘽錛屽氨浼氭瘮杈冨彉閲弉鍜屽€?鏄惁鐩稿悓錛屽鏋滅浉鍚岋紝灝辨槸鎵ц鍊?鍚庨潰鐨勫唴瀹癸紝濡傛灉涓嶇浉鍚岋紝緇х畫寰€鍚庨潰姣旇緝銆備竴鐩存瘮杈冧笅鍘伙紝濡傛灉閮戒笉婊¤凍鐨勮瘽錛屽氨浼氭墽琛宒efault 鍊煎悗闈㈢殑鍐呭銆?/p>
涓嬮潰鏉ョ洿鎺ョ粰澶у鏉ュ疄渚嬩唬鐮侊細
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>javascript 瀛︿範鏁欑▼鍩虹綃囷紙絎?鑺傦級</title>
<script type="text/javascript">
/**
* switch 嫻佺▼鎺у埗璇彞
* 璇硶錛歴witch(鍙橀噺){ case 鍊?: 鎵ц鐨勫唴瀹瑰潡;break;璺沖嚭姣斿銆俤efault:鎵ц鐨勫唴瀹瑰潡錛岃〃紺哄彉閲忎笌鍊間笉鍚屾椂錛屾墽琛岀殑緇撴灉 }
*/
var n=2;
switch(n){
case 1:
document.write("鏄熸湡涓€");
break;
case 2:
document.write("鏄熸湡浜?);
break;
case 3:
document.write("鏄熸湡涓?);
break;
case 4:
document.write("鏄熸湡鍥?);
break;
case 5:
document.write("鏄熸湡浜?);
break;
case 6:
document.write("鏄熸湡鍏?);
break;
default:
document.write("鏄熸湡澶?);
break;
}
// switch 鎵╁睍鍐呭,褰撲嬌鐢ㄦ瘮杈冨ぇ灝忕殑鏉′歡鏃訛紝switch(true)}{}緇撴瀯
var i=93;
switch(true) {
case 80<i:
document.write("鎴愮嘩浼樼");
break;
case 70<i:
document.write("鎴愮嘩鑹ソ");
break;
case 60<i:
document.write("鍙婃牸");
}
</script>
</head>
<body></body>
</html>
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鑻辨枃 | https://python.plainenglish.io/8-python-frameworks-for-frontend-development-javascript-alternatives-2370e0cf6ae9
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01銆丷eflex
Reflex錛堜互鍓嶇О涓?Pynecone錛夋槸涓€涓紑婧愭鏋訛紝榪欐剰鍛崇潃鎮ㄥ彲浠ヤ嬌鐢?Reflex 鏋勫緩搴旂敤紼嬪簭鍓嶇銆佸悗绔茍榪涜閮ㄧ講銆?/p>
浜嬪疄涓婏紝Reflex瀹樻柟鏂囨。灝辨槸鐢≧eflex鏋勫緩鍜岄儴緗茬殑銆傚畠寰堝鏄撳涔狅紝鎮ㄤ笉闇€瑕?Web 寮€鍙戠煡璇嗗氨鍙互鍦?Reflex 涓瀯寤哄簲鐢ㄧ▼搴忋€?/p>
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02銆丗let
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03銆丼olara
涓?Reflex 涓嶅悓錛孲olara 鏄竴涓厑璁鎬綘涓哄簲鐢ㄧ▼搴忔瀯寤?UI 緇勪歡鐨勫簱銆備綘鍙互鎷ユ湁涓€涓甫鏈?FastAPI銆丏jango 鎴?Flask 鍚庣鐨勫簲鐢ㄧ▼搴忥紝騫朵嬌鐢?Solara 鏋勫緩鐢ㄦ埛鐣岄潰銆?/p>
Solara 鐨勫彟涓€涓湁瓚ｇ殑鍔熻兘鏄兘澶熷湪 Jupyter Notebook 涓嬌鐢ㄥ畠銆係olara 鍙互澶勭悊鐘舵€佺鐞嗐€佽礬鐢變互鍙婃瀯寤虹畝鍗曞埌澶嶆潅鐨?UI 緇勪歡鍜屾寕閽╋紝鑰屾棤闇€紱誨紑鎮ㄧ殑鑸掗€傚尯 - Python銆?/p>
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04銆丼hiny
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鎴戣 R 鏄洜涓?Shiny 鏈€鍒濇槸鐢?R 鏋勫緩鐨勶紝鏈€榪戜篃寮€鍙戜簡 Python 鐨?Shiny 妗嗘灦銆?/p>
Shiny 涓撴敞浜庡弽搴旀€у師鍒欙紝閫氳繃鍒嗗埆鏋勫緩鐢ㄦ埛鐣岄潰鍜屼氦浜掓€э紝騫跺厑璁稿鎴風鎴栨湇鍔″櫒绔姩鎬佹洿鏀圭敤鎴風晫闈€?/p>
Shiny榪樻敮鎸佽礬鐢憋紝鏄瀯寤烘暟鎹簲鐢ㄧ▼搴忕殑鍚堥€傞€夋嫨銆備綘鍙互鏌ョ湅鎴戠敤 Shiny 鏋勫緩鐨勮繖涓綉緇滃簲鐢ㄧ▼搴忋€?/p>
05銆乁nicorn
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鍊熷姪 Unicorn錛屼綘鍙互鍚戞ā鏉挎坊鍔犱氦浜掑茍鍦ㄥ箷鍚庡姩鎬佹洿鏂?HTML DOM錛屾棤闇€鍦?React銆丄ngular 鎴?Vue 絳夊簲鐢ㄧ▼搴忎腑璋冪敤鍚庣 API 绔偣銆?/p>
06銆丳yScript
PyScript 鏄竴涓厑璁鎬綘鐩存帴鍦ㄦ祻瑙堝櫒涓瀯寤?Web 搴旂敤紼嬪簭鐨勬鏋躲€傚畠鍍?JavaScript 涓€鏍鋒搷浣?DOM錛屽茍涓斿彲浠ヨ繍琛岃澶氭祦琛岀殑 Python 鍖呫€?/p>
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