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5071-8209ceaca9132e2aed85.js
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href="#shi-yong-zhi-nan">¶</a><a href="javascript:void(0)" id="shi-yong-zhi-nan" class="anchor-point"></a>使用指南</h3>\n<ul>\n<li>输入内容仅为数字时，使用数字输入框比普通文本输入框更方便。</li>\n</ul>\n<h3 class="anchor-heading"><a href="#dai-ma-yan-shi">¶</a><a href="javascript:void(0)" id="dai-ma-yan-shi" class="anchor-point"></a>代码演示</h3>'}),p.createElement(w,{title:"基础用法",id:"Demo1",src:'<span class="token keyword module">import</span> <span class="token imports"><span class="token punctuation">{</span> <span class="token maybe-class-name">NumberInput</span> <span class="token punctuation">}</span></span> <span class="token keyword module">from</span> <span class="token string">\'zent\'</span><span class="token punctuation">;</span>\n\n<span class="token maybe-class-name">ReactDOM</span><span class="token punctuation">.</span><span class="token method function property-access">render</span><span class="token punctuation">(</span>\n <span class="token tag"><span class="token tag"><span class="token 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punctuation">=</span><span class="token punctuation">{</span><span class="token number">2</span><span class="token punctuation">}</span></span> <span class="token attr-name">showStepper</span> <span class="token attr-name">placeholder</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>请输入数字<span class="token punctuation">"</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span><span class="token punctuation">,</span>\n mountNode\n<span class="token punctuation">)</span><span class="token punctuation">;</span>'},p.createElement(r)),p.createElement(w,{title:"指定小数点精度",id:"Demo2",src:'<span class="token keyword module">import</span> <span class="token imports"><span class="token punctuation">{</span> <span class="token maybe-class-name">NumberInput</span> <span class="token punctuation">}</span></span> <span class="token keyword module">from</span> <span class="token string">\'zent\'</span><span class="token punctuation">;</span>\n\n<span class="token maybe-class-name">ReactDOM</span><span class="token punctuation">.</span><span class="token method function property-access">render</span><span class="token punctuation">(</span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">NumberInput</span></span> <span class="token attr-name">value</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token number">2</span><span class="token punctuation">}</span></span> <span class="token attr-name">decimal</span><span 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class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token number">2</span><span class="token punctuation">}</span></span>\n <span class="token attr-name">placeholder</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>请输入数字<span class="token punctuation">"</span></span>\n <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">NumberInput</span></span>\n <span class="token attr-name">value</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token number">3</span><span class="token punctuation">}</span></span>\n <span class="token attr-name">showStepper</span>\n <span class="token attr-name">min</span><span class="token script 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class-name">Button</span></span> <span class="token attr-name">onClick</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token keyword">this</span><span class="token punctuation">.</span><span class="token property-access">setToThree</span><span class="token punctuation">}</span></span><span class="token punctuation">></span></span>设置值为 <span class="token number">3</span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span><span class="token class-name">Button</span></span><span class="token punctuation">></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span>\n <span class="token punctuation">)</span><span class="token punctuation">;</span>\n <span class="token punctuation">}</span>\n<span class="token punctuation">}</span>\n\n<span class="token maybe-class-name">ReactDOM</span><span class="token punctuation">.</span><span class="token method function property-access">render</span><span class="token punctuation">(</span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">EventTest</span></span> <span class="token punctuation">/></span></span>\n <span class="token punctuation">,</span> mountNode\n<span class="token punctuation">)</span><span class="token punctuation">;</span>'},p.createElement(g)),p.createElement(w,{title:"整数模式",id:"Demo6",src:'<span class="token keyword module">import</span> <span class="token imports"><span class="token punctuation">{</span> <span class="token maybe-class-name">NumberInput</span> <span class="token punctuation">}</span></span> <span class="token keyword module">from</span> <span class="token string">\'zent\'</span><span class="token punctuation">;</span>\n\n<span class="token maybe-class-name">ReactDOM</span><span class="token punctuation">.</span><span class="token method function property-access">render</span><span class="token punctuation">(</span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">NumberInput</span></span>\n <span class="token attr-name">value</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token number">3</span><span class="token punctuation">}</span></span>\n <span class="token attr-name">min</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token operator">-</span><span class="token number">2</span><span class="token punctuation">}</span></span>\n <span class="token attr-name">max</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token number">6</span><span class="token punctuation">}</span></span>\n <span class="token attr-name">integer</span>\n <span class="token attr-name">placeholder</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>请输入整数<span class="token punctuation">"</span></span>\n <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">NumberInput</span></span>\n <span class="token attr-name">value</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token known-class-name class-name">Number</span><span class="token punctuation">.</span><span class="token constant">MAX_SAFE_INTEGER</span><span class="token punctuation">}</span></span>\n <span class="token attr-name">showStepper</span>\n <span class="token attr-name">integer</span>\n <span class="token attr-name">placeholder</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>请输入整数<span class="token punctuation">"</span></span>\n <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span><span class="token punctuation">,</span>\n mountNode\n<span class="token punctuation">)</span><span class="token punctuation">;</span>'},p.createElement(h)),p.createElement(w,{title:"提示模式",id:"Demo7",src:'<span class="token keyword module">import</span> <span class="token imports"><span class="token punctuation">{</span> <span class="token maybe-class-name">NumberInput</span> <span class="token punctuation">}</span></span> <span class="token keyword module">from</span> <span class="token string">\'zent\'</span><span class="token punctuation">;</span>\n\n<span class="token maybe-class-name">ReactDOM</span><span class="token punctuation">.</span><span class="token method function property-access">render</span><span class="token punctuation">(</span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span><span class="token punctuation">></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">NumberInput</span></span>\n <span class="token attr-name">value</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token number">3</span><span class="token punctuation">}</span></span>\n <span class="token attr-name">min</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token operator">-</span><span class="token number">2</span><span class="token punctuation">}</span></span>\n <span class="token attr-name">max</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token number">6</span><span class="token punctuation">}</span></span>\n <span class="token attr-name">integer</span>\n <span class="token attr-name">placeholder</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>请输入整数<span class="token punctuation">"</span></span>\n <span class="token attr-name">showStepper</span>\n <span class="token attr-name">showTooltip</span>\n <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">NumberInput</span></span>\n <span class="token attr-name">value</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token number">3</span><span class="token punctuation">}</span></span>\n <span class="token attr-name">min</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token operator">-</span><span class="token number">2</span><span class="token punctuation">}</span></span>\n <span class="token attr-name">max</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token number">6</span><span class="token punctuation">}</span></span>\n <span class="token attr-name">placeholder</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>请输入整数<span class="token punctuation">"</span></span>\n <span class="token attr-name">showTooltip</span>\n <span class="token attr-name">decimal</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token number">2</span><span class="token punctuation">}</span></span>\n <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span><span class="token punctuation">,</span>\n mountNode\n<span class="token punctuation">)</span><span class="token punctuation">;</span>'},p.createElement(v)),p.createElement(j,{html:'<h3 class="anchor-heading"><a href="#api">¶</a><a href="javascript:void(0)" id="api" class="anchor-point"></a>API</h3>\n<table class="table">\n<thead>\n<tr>\n<th>参数</th>\n<th>说明</th>\n<th>类型</th>\n<th>默认值</th>\n<th>备选值</th>\n<th>是否必填</th>\n</tr>\n</thead>\n<tbody>\n<tr>\n<td>value</td>\n<td>输入值</td>\n<td><code>integer === true ? number : string</code></td>\n<td></td>\n<td></td>\n<td>否</td>\n</tr>\n<tr>\n<td>onChange</td>\n<td>值改变的回调函数</td>\n<td><code>(value: typeof value) => void</code></td>\n<td></td>\n<td></td>\n<td>否</td>\n</tr>\n<tr>\n<td>onInput</td>\n<td>用户输入的回调函数</td>\n<td><code>(value: string) => void</code></td>\n<td></td>\n<td></td>\n<td>否</td>\n</tr>\n<tr>\n<td>showStepper</td>\n<td>是否开启记步器</td>\n<td><code>boolean</code></td>\n<td><code>false</code></td>\n<td></td>\n<td>否</td>\n</tr>\n<tr>\n<td>showCounter</td>\n<td>是否开启加减号</td>\n<td><code>boolean</code></td>\n<td><code>false</code></td>\n<td></td>\n<td>否</td>\n</tr>\n<tr>\n<td>showTooltip</td>\n<td>超出大小是否pop提示</td>\n<td><code>boolean</code></td>\n<td><code>false</code></td>\n<td></td>\n<td>否</td>\n</tr>\n<tr>\n<td>integer</td>\n<td>整数模式</td>\n<td><code>boolean</code></td>\n<td><code>false</code></td>\n<td></td>\n<td>否</td>\n</tr>\n<tr>\n<td>decimal</td>\n<td>数值精度</td>\n<td><code>number</code></td>\n<td><code>0</code></td>\n<td></td>\n<td>否</td>\n</tr>\n<tr>\n<td>step</td>\n<td>步进</td>\n<td><code>number</code></td>\n<td>整数模式为 \n<code>1</code>\n，小数模式根据精度而定</td>\n<td></td>\n<td>否</td>\n</tr>\n<tr>\n<td>min</td>\n<td>数值范围最小值</td>\n<td><code>number</code></td>\n<td></td>\n<td></td>\n<td>否</td>\n</tr>\n<tr>\n<td>max</td>\n<td>数值范围最大值</td>\n<td><code>number</code></td>\n<td></td>\n<td></td>\n<td>否</td>\n</tr>\n<tr>\n<td>placeholder</td>\n<td>原生 placeholder 文案</td>\n<td><code>string</code></td>\n<td><code>\'\'</code></td>\n<td></td>\n<td>否</td>\n</tr>\n<tr>\n<td>disabled</td>\n<td>是否禁用</td>\n<td><code>boolean</code></td>\n<td><code>false</code></td>\n<td></td>\n<td>否</td>\n</tr>\n<tr>\n<td>className</td>\n<td>自定义额外类名</td>\n<td><code>string</code></td>\n<td><code>\'\'</code></td>\n<td></td>\n<td>否</td>\n</tr>\n<tr>\n<td>width</td>\n<td>宽度</td>\n<td><code>string</code>\n \n|\n \n<code>number</code></td>\n<td></td>\n<td></td>\n<td>否</td>\n</tr>\n</tbody>\n</table>\n<h4 class="anchor-heading"><a href="#onchange-he-oninput-de-qu-bie">¶</a><a href="javascript:void(0)" id="onchange-he-oninput-de-qu-bie" class="anchor-point"></a><code>onChange</code> 和 <code>onInput</code> 的区别</h4>\n<ul>\n<li>由于 <code>NumberInput</code> 可以设置数字的格式，所以它的 <code>onChange</code> 和 <code>onInput</code> 行为是有区别的，这点和普通的 <code>Input</code> 不同</li>\n<li>绝大部分时候应该使用 <code>onChange</code>，当需要实时获取用户输入的内容时才需要使用 <code>onInput</code>，且 <code>onInput</code> 的参数类型永远是 <code>string</code></li>\n<li>\n<p><code>onInput</code> 和 <code>onChange</code> 的参数值可能不一致</p>\n<ul>\n<li>小数模式下设置精度为小数点后两位，当输入 <code>1.0</code> 的时候，在 <code>onInput</code> 中获取的参数是 <code>\'1.0\'</code>，而在 <code>onChange</code> 中获取的参数是 <code>\'1.00\'</code></li>\n<li>整数模式下，当输入是 <code>2.00</code> 时，<code>onInput</code> 的参数是 <code>\'2.00\'</code>，但是 <code>onChange</code> 的参数是 <code>2</code>，注意不仅值不同，类型也是不一样的</li>\n</ul>\n</li>\n</ul>'}))}}}}]);