锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#20122;&#27954;&#26368;&#26032;&#22312;&#32447;&#35270;&#39057;&#44;&#22269;&#20135;&#20122;&#27954;&#27431;&#32654;&#33394;&#44;&#20037;&#20037;&#97;&#118;&#26085;&#38889;</title><link>http://www.aygfsteel.com/wuxufeng8080/category/22360.html</link><description /><language>zh-cn</language><lastBuildDate>Sat, 12 May 2007 21:03:23 GMT</lastBuildDate><pubDate>Sat, 12 May 2007 21:03:23 GMT</pubDate><ttl>60</ttl><item><title>Ruby 鍩虹璇硶</title><link>http://www.aygfsteel.com/wuxufeng8080/archive/2007/05/12/116926.html</link><dc:creator>椋庝漢鍥?/dc:creator><author>椋庝漢鍥?/author><pubDate>Sat, 12 May 2007 01:00:00 GMT</pubDate><guid>http://www.aygfsteel.com/wuxufeng8080/archive/2007/05/12/116926.html</guid><description><![CDATA[<h3>Ruby鐨勬敞閲?/h3>
<p>Ruby鐨勬敞閲婃槸鎸囦粠#寮�濮嬪埌璇ヨ緇撴潫銆?/p>
<h3>Ruby鐨勮〃杈懼紡</h3>
<p>Ruby鐨勮〃杈懼紡鍖呮嫭涓嬪垪鍐呭錛堜富瑕佺殑錛夈�?/p>
<dl>
<dt>瀛楃涓?
<dd>瀛楃涓叉槸鎸囪鍗曞紩鍙?')鎴栧弻寮曞彿(")鎷搗鏉ョ殑閮ㄥ垎銆傚湪鐢ㄥ弻寮曞彿鎷搗鏉ョ殑瀛楃涓蹭腑錛屽彲浠ヤ嬌鐢ㄥ弽鏂滄潬(\)鏉ユ寚瀹氳漿涔夊瓧絎︼紝榪欏悓C璇█鏄竴鏍風(fēng)殑銆傚悓鏃訛紝浠?{}鎷搗鏉ョ殑琛ㄨ揪寮忕殑緇撴灉涔熻緗叆鍏朵腑銆?
<dt>鏁板�?
<dd>鏁存暟錛屾誕鐐規(guī)暟銆?
<dt>鏁扮粍錛忔暎鍒楄〃
<dd>鐢╗]鎷搗鏉ョ殑涓�涓茶〃杈懼紡鏄暟緇勶紝鑰屼互{}鎷搗鏉ョ殑涓�涓茶〃杈懼紡鏄暎鍒楄〃銆?
<dd>鏁ｅ垪琛ㄦ槸涓�縐嶅彲浠ユ妸浠繪剰綾誨瀷鐨勫璞￠兘褰撴垚绱㈠紩鐨勬暟緇勩�傛暎鍒楄〃鏈夋椂涔熷彨鍋氬搱甯岃〃鎴栬緸鍏搞�?
<dt>鍙橀噺錛忓父鏁?
<dd>Ruby涓湁甯告暟鍜?縐嶅彉閲忋�傚彉閲忓拰甯告暟鐨勫尯鍒湪浜庣涓�涓瓧絎︽湁鎵�涓嶅悓銆?
<dl>
<dt>灞�閮ㄥ彉閲?
<dd>鍙橀噺鍚嶄互灝忓啓鑻辨枃瀛楁瘝寮�濮嬨�備嬌鐢ㄦ椂錛岄渶瑕佷互璧嬪�肩殑鏂瑰紡榪涜鍒濆鍖栥�?
<dt>鍏ㄥ眬鍙橀噺
<dd>浠?寮�濮嬨�傛湭鍒濆鍖栫殑鍊間負(fù)nil銆?
<dt>瀹炰緥鍙橀噺
<dd>浠寮�濮嬨�傛湭鍒濆鍖栫殑鍊間負(fù)nil銆?
<dt>綾誨彉閲?
<dd>浠@寮�濮嬨�傛湭鍒濆鍖栫殑鍊間負(fù)nil銆?
<dt>綾誨父鏁?
<dd>浠ュぇ鍐欒嫳鏂囧瓧姣嶅紑濮嬨�傛湭鍒濆鍖栫殑鍊間負(fù)nil銆?</dd></dl>
<dt>璧嬪�?
<dd>鍙橀噺璧嬪�兼柟娉曞涓嬨�?
<pre>鍙橀噺=琛ㄨ揪寮?
</pre>
<dt>璋冪敤鏂規(guī)硶錛堝嚱鏁幫級(jí)
<dd>鎵ц瀵硅薄鍥烘湁鎿嶄綔錛堟柟娉曪級(jí)鐨勬柟娉曞涓?
<pre>琛ㄨ揪寮?鏂規(guī)硶鍚?
琛ㄨ揪寮?鏂規(guī)硶鍚?琛ㄨ揪寮?.)
</pre>
<dd>鍦ㄤ笉寮曡搗娣鋒穯鐨勬儏鍐典笅錛屽彲浠ョ渷鐣ュ弬鏁扮殑鎷彿銆?
<dd>璋冪敤鏌愭柟娉曟墽琛屼富浣搒elf鐨勬柟娉曟椂錛屽彲浠ョ渷鐣ユ渶寮�濮嬬殑琛ㄨ揪寮忋�?
<pre>鏂規(guī)硶鍚?
鏂規(guī)硶鍚?琛ㄨ揪寮?.)
</pre>
<dd>鍖哄垎鏃犲弬鏁扮殑鏂規(guī)硶璋冪敤鍜屽眬閮ㄥ彉閲忕殑鏂規(guī)硶鏄湅鐪嬫湁娌℃湁璧嬪�艱繃紼嬨�?
<dt>鎿嶄綔絎﹁〃杈懼紡
<dd>鏅�氱殑綆楀紡鍙互鐢?鍩烘湰涓婁笌C璇█涓�鏍風(fēng)殑)鎿嶄綔絎︽潵琛ㄧず銆備絾鍐呴儴鏄妸鎿嶄綔絎﹀綋浣滄柟娉曡皟鐢?浠ユ搷浣滅浣滀負(fù)鏂規(guī)硶鍚?鏉ュ鐞嗙殑銆?</dd></dl>
<h3>Ruby鐨勮鍙?/h3>
<p>Ruby浣跨敤鍒嗗彿(;)鎴栨崲琛屾潵鍒嗛殧琛ㄨ揪寮忥紝琛ㄨ揪寮忎覆璧鋒潵鏋勬垚璇彞銆傝鍙ョ殑鍊煎彇鍐充簬鏈�鍚庢墽琛岀殑琛ㄨ揪寮忕殑鍊箋�?/p>
<h3>Ruby鐨勬祦紼嬫帶鍒剁粨鏋?/h3>
<p>Ruby涓彲浠ヤ嬌鐢ㄤ笅鍒楁祦紼嬫帶鍒剁粨鏋勩�?/p>
<ul>
    <li>if琛ㄨ揪寮?then浠ｇ爜鍧?[elsif琛ㄨ揪寮?then浠ｇ爜鍧梋..[else浠ｇ爜鍧梋end
    <li>case琛ㄨ揪寮弚hen琛ㄨ揪寮?.;浠ｇ爜鍧?..[else浠ｇ爜鍧梋end
    <li>while琛ㄨ揪寮?浠ｇ爜鍧梕nd
    <li>for鍙橀噺..in琛ㄨ揪寮?浠ｇ爜鍧梕nd</li>
</ul>
<p>if鍜寃hile鐨勬剰鎬濅笌閫氬父鐨勮璦�鍩烘湰鐩稿悓銆傚彲浠ヤ嬌鐢ㄥ垎鍙鋒垨鎹㈣鏉ヤ唬鏇縤f浠ｇ爜鍧椾腑鐨則hen銆傝娉ㄦ剰Ruby浣跨敤elsif浠ｆ浛C璇█涓殑else if銆?/p>
<p>case鏄妸鑻ュ共涓瘮杈冨綊涓轟竴浣撶殑鎺у埗緇撴瀯銆?/p>
<p>for鍙互浣跨敤寰幆鎶婃暟緇勭瓑鐨勫厓绱犲垎鍒祴鍊肩粰鍙橀噺銆?/p>
<h3>寰幆鍐呭彲浠ヤ嬌鐢ㄤ笅鍒楄鍙ャ�?/h3>
<dl>
<dt>break
<dd>涓柇寰幆錛堢浉褰撲簬C璇█鐨刡reak錛夈�?
<dt>next
<dd>寮�濮嬩笅涓�嬈″驚鐜紙鐩稿綋浜嶤璇█鐨刢ontinue錛夈�?
<dt>redo
<dd>閲嶆柊鎵ц鍧楃殑絎竴琛屻�?</dd></dl>
<h3>甯哥敤鐨勮鍙?/h3>
<p>浠嬬粛鍑犱釜Ruby紼嬪簭涓父鐢ㄧ殑璇彞銆傝繖浜涜鍙ユ槸瀵硅薄綾葷殑鏂規(guī)硶錛屽彲浠ュ湪浠諱綍綾諱腑浣跨敤錛屽氨濡傚悓浣跨敤鍑芥暟涓�鏍楓�?/p>
<dl>
<dt><samp>exit([status])</samp>
<dd>緇撴潫紼嬪簭鐨勮繍琛屻�傝嫢涓簊tatus鎸囧畾浜?jiǎn)涓�涓暣鏁扮殑璇濓紝璇ユ暣鏁板氨鎴愪負(fù)緇撴潫status銆傞粯璁ょ殑status鍊間負(fù)0銆?
<dt><samp>gets</samp>
<dd>浠庡懡浠よ鍙傛暟鎸囧畾鐨勬枃浠?緹?涓鍙栦竴琛岋紝鐒跺悗鎶婅琛岀殑鍐呭浣滀負(fù)瀛楃涓茶繑鍥炪�傝嫢娌℃湁鍒跺畾鍛戒護(hù)琛屽弬鏁扮殑璇濓紝鍒欎粠鏍囧噯杈撳叆涓鍙栥�傝鍙栫殑瀛楃涓插彲浠ヨ璧嬪�肩粰鍙橀噺$_銆傞亣鍒版枃浠剁粨鏉熻繑鍥瀗il(浼?銆?
<pre>while gets
...
end
</pre>
<dd>涓婇潰灝辨槸鍏稿瀷鐨勭敤娉曘�?
<dt><samp>open(鏂囦歡鍚峓,mode])</samp>
<dd>鎵撳紑鏂囦歡銆俶ode鏄瓧絎︿覆錛屽氨鍜孋鐨刦open涓�鏍楓�傜渷鐣ユ椂浠ヨ鍙栨ā寮忔墦寮�銆?
<dt><samp>print</samp>
<dd>杈撳嚭鍑芥暟銆傛寜欏哄簭灝嗗弬鏁拌緭鍑哄埌鏍囧噯杈撳嚭涓娿�傜渷鐣ュ弬鏁版椂鍒欒緭鍑哄彉閲?_鐨勫�箋�?/dd></dl>
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