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                    Introduction
            
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                                <h1 id="&#x5F00;&#x59CB;">&#x5F00;&#x59CB;</h1>
<p>&#x6BCF;&#x4E00;&#x4E2A; Vuex &#x5E94;&#x7528;&#x7684;&#x6838;&#x5FC3;&#x5C31;&#x662F; store&#xFF08;&#x4ED3;&#x5E93;&#xFF09;&#x3002;&#x201C;store&#x201D;&#x57FA;&#x672C;&#x4E0A;&#x5C31;&#x662F;&#x4E00;&#x4E2A;&#x5BB9;&#x5668;&#xFF0C;&#x5B83;&#x5305;&#x542B;&#x7740;&#x4F60;&#x7684;&#x5E94;&#x7528;&#x4E2D;&#x5927;&#x90E8;&#x5206;&#x7684;<strong>&#x72B6;&#x6001; (state)</strong>&#x3002;Vuex &#x548C;&#x5355;&#x7EAF;&#x7684;&#x5168;&#x5C40;&#x5BF9;&#x8C61;&#x6709;&#x4EE5;&#x4E0B;&#x4E24;&#x70B9;&#x4E0D;&#x540C;&#xFF1A;</p>
<ol>
<li><p>Vuex &#x7684;&#x72B6;&#x6001;&#x5B58;&#x50A8;&#x662F;&#x54CD;&#x5E94;&#x5F0F;&#x7684;&#x3002;&#x5F53; Vue &#x7EC4;&#x4EF6;&#x4ECE; store &#x4E2D;&#x8BFB;&#x53D6;&#x72B6;&#x6001;&#x7684;&#x65F6;&#x5019;&#xFF0C;&#x82E5; store &#x4E2D;&#x7684;&#x72B6;&#x6001;&#x53D1;&#x751F;&#x53D8;&#x5316;&#xFF0C;&#x90A3;&#x4E48;&#x76F8;&#x5E94;&#x7684;&#x7EC4;&#x4EF6;&#x4E5F;&#x4F1A;&#x76F8;&#x5E94;&#x5730;&#x5F97;&#x5230;&#x9AD8;&#x6548;&#x66F4;&#x65B0;&#x3002;</p>
</li>
<li><p>&#x4F60;&#x4E0D;&#x80FD;&#x76F4;&#x63A5;&#x6539;&#x53D8; store &#x4E2D;&#x7684;&#x72B6;&#x6001;&#x3002;&#x6539;&#x53D8; store &#x4E2D;&#x7684;&#x72B6;&#x6001;&#x7684;&#x552F;&#x4E00;&#x9014;&#x5F84;&#x5C31;&#x662F;&#x663E;&#x5F0F;&#x5730;<strong>&#x63D0;&#x4EA4; (commit) mutation</strong>&#x3002;&#x8FD9;&#x6837;&#x4F7F;&#x5F97;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x65B9;&#x4FBF;&#x5730;&#x8DDF;&#x8E2A;&#x6BCF;&#x4E00;&#x4E2A;&#x72B6;&#x6001;&#x7684;&#x53D8;&#x5316;&#xFF0C;&#x4ECE;&#x800C;&#x8BA9;&#x6211;&#x4EEC;&#x80FD;&#x591F;&#x5B9E;&#x73B0;&#x4E00;&#x4E9B;&#x5DE5;&#x5177;&#x5E2E;&#x52A9;&#x6211;&#x4EEC;&#x66F4;&#x597D;&#x5730;&#x4E86;&#x89E3;&#x6211;&#x4EEC;&#x7684;&#x5E94;&#x7528;&#x3002;</p>
</li>
</ol>
<h3 id="&#x6700;&#x7B80;&#x5355;&#x7684;-store">&#x6700;&#x7B80;&#x5355;&#x7684; Store</h3>
<blockquote>
<p><strong>&#x63D0;&#x793A;&#xFF1A;</strong>&#x6211;&#x4EEC;&#x5C06;&#x5728;&#x540E;&#x7EED;&#x7684;&#x6587;&#x6863;&#x793A;&#x4F8B;&#x4EE3;&#x7801;&#x4E2D;&#x4F7F;&#x7528; ES2015 &#x8BED;&#x6CD5;&#x3002;&#x5982;&#x679C;&#x4F60;&#x8FD8;&#x6CA1;&#x80FD;&#x638C;&#x63E1; ES2015&#xFF0C;<a href="https://babeljs.io/docs/learn-es2015/" target="_blank">&#x4F60;&#x5F97;&#x6293;&#x7D27;&#x4E86;</a>&#xFF01;</p>
</blockquote>
<p><a href="installation.html">&#x5B89;&#x88C5;</a> Vuex &#x4E4B;&#x540E;&#xFF0C;&#x8BA9;&#x6211;&#x4EEC;&#x6765;&#x521B;&#x5EFA;&#x4E00;&#x4E2A; store&#x3002;&#x521B;&#x5EFA;&#x8FC7;&#x7A0B;&#x76F4;&#x622A;&#x4E86;&#x5F53;&#x2014;&#x2014;&#x4EC5;&#x9700;&#x8981;&#x63D0;&#x4F9B;&#x4E00;&#x4E2A;&#x521D;&#x59CB; state &#x5BF9;&#x8C61;&#x548C;&#x4E00;&#x4E9B; mutation&#xFF1A;</p>
<pre class="language-"><code class="lang-js"><span class="token comment" spellcheck="true">// &#x5982;&#x679C;&#x5728;&#x6A21;&#x5757;&#x5316;&#x6784;&#x5EFA;&#x7CFB;&#x7EDF;&#x4E2D;&#xFF0C;&#x8BF7;&#x786E;&#x4FDD;&#x5728;&#x5F00;&#x5934;&#x8C03;&#x7528;&#x4E86; Vue.use(Vuex)</span>

<span class="token keyword">const</span> store <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Vuex<span class="token punctuation">.</span>Store</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
  state<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    count<span class="token punctuation">:</span> <span class="token number">0</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  mutations<span class="token punctuation">:</span> <span class="token punctuation">{</span>
    increment <span class="token punctuation">(</span>state<span class="token punctuation">)</span> <span class="token punctuation">{</span>
      state<span class="token punctuation">.</span>count<span class="token operator">++</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre>
<p>&#x73B0;&#x5728;&#xFF0C;&#x4F60;&#x53EF;&#x4EE5;&#x901A;&#x8FC7; <code>store.state</code> &#x6765;&#x83B7;&#x53D6;&#x72B6;&#x6001;&#x5BF9;&#x8C61;&#xFF0C;&#x4EE5;&#x53CA;&#x901A;&#x8FC7; <code>store.commit</code> &#x65B9;&#x6CD5;&#x89E6;&#x53D1;&#x72B6;&#x6001;&#x53D8;&#x66F4;&#xFF1A;</p>
<pre class="language-"><code class="lang-js">store<span class="token punctuation">.</span><span class="token function">commit</span><span class="token punctuation">(</span><span class="token string">&apos;increment&apos;</span><span class="token punctuation">)</span>

console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>store<span class="token punctuation">.</span>state<span class="token punctuation">.</span>count<span class="token punctuation">)</span> <span class="token comment" spellcheck="true">// -&gt; 1</span>
</code></pre>
<p>&#x518D;&#x6B21;&#x5F3A;&#x8C03;&#xFF0C;&#x6211;&#x4EEC;&#x901A;&#x8FC7;&#x63D0;&#x4EA4; mutation &#x7684;&#x65B9;&#x5F0F;&#xFF0C;&#x800C;&#x975E;&#x76F4;&#x63A5;&#x6539;&#x53D8; <code>store.state.count</code>&#xFF0C;&#x662F;&#x56E0;&#x4E3A;&#x6211;&#x4EEC;&#x60F3;&#x8981;&#x66F4;&#x660E;&#x786E;&#x5730;&#x8FFD;&#x8E2A;&#x5230;&#x72B6;&#x6001;&#x7684;&#x53D8;&#x5316;&#x3002;&#x8FD9;&#x4E2A;&#x7B80;&#x5355;&#x7684;&#x7EA6;&#x5B9A;&#x80FD;&#x591F;&#x8BA9;&#x4F60;&#x7684;&#x610F;&#x56FE;&#x66F4;&#x52A0;&#x660E;&#x663E;&#xFF0C;&#x8FD9;&#x6837;&#x4F60;&#x5728;&#x9605;&#x8BFB;&#x4EE3;&#x7801;&#x7684;&#x65F6;&#x5019;&#x80FD;&#x66F4;&#x5BB9;&#x6613;&#x5730;&#x89E3;&#x8BFB;&#x5E94;&#x7528;&#x5185;&#x90E8;&#x7684;&#x72B6;&#x6001;&#x6539;&#x53D8;&#x3002;&#x6B64;&#x5916;&#xFF0C;&#x8FD9;&#x6837;&#x4E5F;&#x8BA9;&#x6211;&#x4EEC;&#x6709;&#x673A;&#x4F1A;&#x53BB;&#x5B9E;&#x73B0;&#x4E00;&#x4E9B;&#x80FD;&#x8BB0;&#x5F55;&#x6BCF;&#x6B21;&#x72B6;&#x6001;&#x6539;&#x53D8;&#xFF0C;&#x4FDD;&#x5B58;&#x72B6;&#x6001;&#x5FEB;&#x7167;&#x7684;&#x8C03;&#x8BD5;&#x5DE5;&#x5177;&#x3002;&#x6709;&#x4E86;&#x5B83;&#xFF0C;&#x6211;&#x4EEC;&#x751A;&#x81F3;&#x53EF;&#x4EE5;&#x5B9E;&#x73B0;&#x5982;&#x65F6;&#x95F4;&#x7A7F;&#x68AD;&#x822C;&#x7684;&#x8C03;&#x8BD5;&#x4F53;&#x9A8C;&#x3002;</p>
<p>&#x7531;&#x4E8E; store &#x4E2D;&#x7684;&#x72B6;&#x6001;&#x662F;&#x54CD;&#x5E94;&#x5F0F;&#x7684;&#xFF0C;&#x5728;&#x7EC4;&#x4EF6;&#x4E2D;&#x8C03;&#x7528; store &#x4E2D;&#x7684;&#x72B6;&#x6001;&#x7B80;&#x5355;&#x5230;&#x4EC5;&#x9700;&#x8981;&#x5728;&#x8BA1;&#x7B97;&#x5C5E;&#x6027;&#x4E2D;&#x8FD4;&#x56DE;&#x5373;&#x53EF;&#x3002;&#x89E6;&#x53D1;&#x53D8;&#x5316;&#x4E5F;&#x4EC5;&#x4EC5;&#x662F;&#x5728;&#x7EC4;&#x4EF6;&#x7684; methods &#x4E2D;&#x63D0;&#x4EA4; mutation&#x3002;</p>
<p>&#x8FD9;&#x662F;&#x4E00;&#x4E2A;<a href="https://jsfiddle.net/n9jmu5v7/1269/" target="_blank">&#x6700;&#x57FA;&#x672C;&#x7684; Vuex &#x8BB0;&#x6570;&#x5E94;&#x7528;</a>&#x793A;&#x4F8B;&#x3002;</p>
<p>&#x63A5;&#x4E0B;&#x6765;&#xFF0C;&#x6211;&#x4EEC;&#x5C06;&#x4F1A;&#x66F4;&#x6DF1;&#x5165;&#x5730;&#x63A2;&#x8BA8;&#x4E00;&#x4E9B;&#x6838;&#x5FC3;&#x6982;&#x5FF5;&#x3002;&#x8BA9;&#x6211;&#x4EEC;&#x5148;&#x4ECE; <a href="state.html">State</a> &#x6982;&#x5FF5;&#x5F00;&#x59CB;&#x3002;</p>

                                
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