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<h2 id="示例1"><a href="#示例1" class="headerlink" title="示例1"></a>示例1</h2><pre class="line-numbers language-cpp" data-language="cpp"><code class="language-cpp"><span class="token macro property"><span class="token directive-hash">#</span><span class="token directive keyword">include</span> <span class="token string"><iostream></span></span>
<span class="token keyword">using</span> <span class="token keyword">namespace</span> std<span class="token punctuation">;</span>
<span class="token keyword">class</span> <span class="token class-name">test</span>
<span class="token punctuation">{</span>
<span class="token keyword">private</span><span class="token operator">:</span>
<span class="token keyword">int</span> _id<span class="token punctuation">;</span>
<span class="token keyword">public</span><span class="token operator">:</span>
<span class="token function">test</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">test</span><span class="token punctuation">(</span><span class="token keyword">int</span> id<span class="token punctuation">)</span> <span class="token operator">:</span> <span class="token function">_id</span><span class="token punctuation">(</span>id<span class="token punctuation">)</span> <span class="token punctuation">{</span>
cout <span class="token operator"><<</span> <span class="token string">"ctor. this="</span> <span class="token operator"><<</span> <span class="token keyword">this</span> <span class="token operator"><<</span> <span class="token string">" id="</span> <span class="token operator"><<</span> _id <span class="token operator"><<</span> endl<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token operator">~</span><span class="token function">test</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">;</span>
test<span class="token double-colon punctuation">::</span><span class="token function">test</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span> cout <span class="token operator"><<</span> <span class="token string">"ctor. this="</span> <span class="token operator"><<</span> <span class="token keyword">this</span> <span class="token operator"><<</span> <span class="token string">" id="</span> <span class="token operator"><<</span> _id <span class="token operator"><<</span> endl<span class="token punctuation">;</span> <span class="token punctuation">}</span>
<span class="token class-name">test</span><span class="token double-colon punctuation">::</span><span class="token operator">~</span><span class="token function">test</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span> cout <span class="token operator"><<</span> <span class="token string">"dtor. this="</span> <span class="token operator"><<</span> <span class="token keyword">this</span> <span class="token operator"><<</span> <span class="token string">" id="</span> <span class="token operator"><<</span> _id <span class="token operator"><<</span> endl<span class="token punctuation">;</span> <span class="token punctuation">}</span>
<span class="token keyword">int</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token keyword">int</span> argc<span class="token punctuation">,</span> <span class="token keyword">char</span><span class="token operator">*</span> argv<span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">constexpr</span> <span class="token keyword">int</span> size <span class="token operator">=</span> <span class="token number">3</span><span class="token punctuation">;</span>
test<span class="token operator">*</span> buf <span class="token operator">=</span> <span class="token keyword">new</span> test<span class="token punctuation">[</span>size<span class="token punctuation">]</span><span class="token punctuation">;</span>
test<span class="token operator">*</span> tmp <span class="token operator">=</span> buf<span class="token punctuation">;</span>
cout <span class="token operator"><<</span> <span class="token string">"buf="</span> <span class="token operator"><<</span> buf <span class="token operator"><<</span> <span class="token string">" tmp="</span> <span class="token operator"><<</span> tmp <span class="token operator"><<</span> endl<span class="token punctuation">;</span>
<span class="token keyword">for</span> <span class="token punctuation">(</span>size_t i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator"><</span> size<span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">new</span> <span class="token punctuation">(</span>tmp<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token function">test</span><span class="token punctuation">(</span>i<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
cout <span class="token operator"><<</span> <span class="token string">"buf="</span> <span class="token operator"><<</span> buf <span class="token operator"><<</span> <span class="token string">" tmp="</span> <span class="token operator"><<</span> tmp <span class="token operator"><<</span> endl<span class="token punctuation">;</span>
<span class="token keyword">delete</span><span class="token punctuation">[</span><span class="token punctuation">]</span> buf<span class="token punctuation">;</span>
<span class="token keyword">return</span> <span class="token number">0</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
<p>输出</p>
<pre class="line-numbers language-shell" data-language="shell"><code class="language-shell">ctor. this=0x5642615d9eb8 id=0
ctor. this=0x5642615d9ebc id=0
ctor. this=0x5642615d9ec0 id=0
buf=0x5642615d9eb8 tmp=0x5642615d9eb8
ctor. this=0x5642615d9eb8 id=0
ctor. this=0x5642615d9ebc id=1
ctor. this=0x5642615d9ec0 id=2
buf=0x5642615d9eb8 tmp=0x5642615d9ec4
dtor. this=0x5642615d9ec0 id=2
dtor. this=0x5642615d9ebc id=1
dtor. this=0x5642615d9eb8 id=0<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
<h2 id="示例2"><a href="#示例2" class="headerlink" title="示例2"></a>示例2</h2><pre class="line-numbers language-cpp" data-language="cpp"><code class="language-cpp"><span class="token macro property"><span class="token directive-hash">#</span><span class="token directive keyword">include</span> <span class="token string"><iostream></span></span>
<span class="token macro property"><span class="token directive-hash">#</span><span class="token directive keyword">include</span> <span class="token string"><cstdlib></span></span>
<span class="token keyword">using</span> <span class="token keyword">namespace</span> std<span class="token punctuation">;</span>
<span class="token keyword">class</span> <span class="token class-name">test</span>
<span class="token punctuation">{</span>
<span class="token keyword">private</span><span class="token operator">:</span>
<span class="token keyword">int</span> _id<span class="token punctuation">;</span>
<span class="token keyword">public</span><span class="token operator">:</span>
<span class="token function">test</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">test</span><span class="token punctuation">(</span><span class="token keyword">int</span> id<span class="token punctuation">)</span> <span class="token operator">:</span> <span class="token function">_id</span><span class="token punctuation">(</span>id<span class="token punctuation">)</span> <span class="token punctuation">{</span>
cout <span class="token operator"><<</span> <span class="token string">"ctor. this="</span> <span class="token operator"><<</span> <span class="token keyword">this</span> <span class="token operator"><<</span> <span class="token string">" id="</span> <span class="token operator"><<</span> _id <span class="token operator"><<</span> endl<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token operator">~</span><span class="token function">test</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">;</span>
test<span class="token double-colon punctuation">::</span><span class="token function">test</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span> cout <span class="token operator"><<</span> <span class="token string">"ctor. this="</span> <span class="token operator"><<</span> <span class="token keyword">this</span> <span class="token operator"><<</span> <span class="token string">" id="</span> <span class="token operator"><<</span> _id <span class="token operator"><<</span> endl<span class="token punctuation">;</span> <span class="token punctuation">}</span>
<span class="token class-name">test</span><span class="token double-colon punctuation">::</span><span class="token operator">~</span><span class="token function">test</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span> cout <span class="token operator"><<</span> <span class="token string">"dtor. this="</span> <span class="token operator"><<</span> <span class="token keyword">this</span> <span class="token operator"><<</span> <span class="token string">" id="</span> <span class="token operator"><<</span> _id <span class="token operator"><<</span> endl<span class="token punctuation">;</span> <span class="token punctuation">}</span>
<span class="token keyword">int</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token keyword">int</span> argc<span class="token punctuation">,</span> <span class="token keyword">char</span><span class="token operator">*</span> argv<span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">constexpr</span> <span class="token keyword">int</span> size <span class="token operator">=</span> <span class="token number">3</span><span class="token punctuation">;</span>
<span class="token keyword">unsigned</span> <span class="token keyword">char</span> buf<span class="token punctuation">[</span><span class="token keyword">sizeof</span><span class="token punctuation">(</span>test<span class="token punctuation">)</span><span class="token operator">*</span>size<span class="token punctuation">]</span> <span class="token operator">=</span> <span class="token punctuation">{</span><span class="token number">0</span><span class="token punctuation">}</span><span class="token punctuation">;</span>
test<span class="token operator">*</span> tmp <span class="token operator">=</span> <span class="token punctuation">(</span>test<span class="token operator">*</span><span class="token punctuation">)</span>buf<span class="token punctuation">;</span>
cout <span class="token operator"><<</span> <span class="token string">"buf="</span> <span class="token operator"><<</span> buf <span class="token operator"><<</span> <span class="token string">" tmp="</span> <span class="token operator"><<</span> tmp <span class="token operator"><<</span> endl<span class="token punctuation">;</span>
<span class="token keyword">for</span> <span class="token punctuation">(</span>size_t i <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span> i <span class="token operator"><</span> size<span class="token punctuation">;</span> i<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token keyword">new</span> <span class="token punctuation">(</span>tmp<span class="token operator">++</span><span class="token punctuation">)</span> <span class="token function">test</span><span class="token punctuation">(</span>i<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
cout <span class="token operator"><<</span> <span class="token string">"buf="</span> <span class="token operator"><<</span> buf <span class="token operator"><<</span> <span class="token string">" tmp="</span> <span class="token operator"><<</span> tmp <span class="token operator"><<</span> endl<span class="token punctuation">;</span>
<span class="token keyword">return</span> <span class="token number">0</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
<p>输出</p>
<pre class="line-numbers language-cpp" data-language="cpp"><code class="language-cpp">buf<span class="token operator">=</span> tmp<span class="token operator">=</span><span class="token number">0x7ffe2e9f91dc</span>
ctor<span class="token punctuation">.</span> <span class="token keyword">this</span><span class="token operator">=</span><span class="token number">0x7ffe2e9f91dc</span> id<span class="token operator">=</span><span class="token number">0</span>
ctor<span class="token punctuation">.</span> <span class="token keyword">this</span><span class="token operator">=</span><span class="token number">0x7ffe2e9f91e0</span> id<span class="token operator">=</span><span class="token number">1</span>
ctor<span class="token punctuation">.</span> <span class="token keyword">this</span><span class="token operator">=</span><span class="token number">0x7ffe2e9f91e4</span> id<span class="token operator">=</span><span class="token number">2</span>
buf<span class="token operator">=</span> tmp<span class="token operator">=</span><span class="token number">0x7ffe2e9f91e8</span><span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span></span></code></pre>
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var $input = document.getElementById(search_id);
var $resultContent = document.getElementById(content_id);
$input.addEventListener('input', function () {
var str = '<ul class=\"search-result-list\">';
var keywords = this.value.trim().toLowerCase().split(/[\s\-]+/);
$resultContent.innerHTML = "";
if (this.value.trim().length <= 0) {