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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/zh-cn/web/css/integer | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/css/integer/index.html b/files/zh-cn/web/css/integer/index.html new file mode 100644 index 0000000000..51a43fdf3a --- /dev/null +++ b/files/zh-cn/web/css/integer/index.html @@ -0,0 +1,136 @@ +--- +title: 整型 +slug: Web/CSS/integer +tags: + - CSS + - CSS数据类型 + - Reference + - Web +translation_of: Web/CSS/integer +--- +<div>{{CSSRef}}</div> + +<p>The <strong><code><integer></code></strong> <a href="/en-US/docs/Web/CSS">CSS</a> <a href="/en-US/docs/Web/CSS/CSS_Types">data type</a> is a special type of {{cssxref("number")}} that represents a whole number, whether positive or negative. Integers can be used in numerous CSS properties, such as {{cssxref("column-count")}}, {{cssxref("counter-increment")}}, {{cssxref("grid-column")}}, {{cssxref("grid-row")}}, and {{cssxref("z-index")}}.<br> + The <strong><code><integer> </code></strong>css数据类型是一种特殊的<number>类型,它表示一个整数,无论是正数还是负数。整数可以用于许多css属性,例如{{cssxref("column-count")}}, {{cssxref("counter-increment")}}, {{cssxref("grid-column")}}, {{cssxref("grid-row")}}, and {{cssxref("z-index")}}.</p> + +<h2 id="语法">语法</h2> + +<p>The <code><integer></code> data type consists of one or several decimal digits, 0 through 9 inclusive, optionally preceded by a single <code>+</code> or <code>-</code> sign. There is no unit associated with integers.<br> + <integer>数据类型由一个或多个十进制数字组成,包括0到9,可以选择前面加一个+或-号。没有与整数关联的单位。</p> + +<div class="note"><strong>Note:</strong> There is no official range of valid <code><integer></code> values. Opera 12.1 supports values up to 2<sup>15</sup>-1, IE up to 2<sup>20</sup>-1, and other browsers even higher. During the CSS3 Values cycle there was a lot of discussion about setting a minimum range to support: the latest decision, <a href="http://lists.w3.org/Archives/Public/www-style/2012Apr/0633.html">in April 2012 during the LC phase</a>, was [-2<sup>27</sup>-1; 2<sup>27</sup>-1], but other values like 2<sup>24</sup>-1 and 2<sup>30</sup>-1 <a href="http://lists.w3.org/Archives/Public/www-style/2012Apr/0530.html">were also proposed</a>. However, the latest spec doesn't specify a range anymore.<br> +注意:没有有效的<integer>值的正式范围。Opera12.1支持高达2<sup>15</sup>-1的值,IE高达2<sup>20</sup>-1的值,其他浏览器支持更高的值。在CSS3值周期中,有很多关于设置最小支持范围的讨论:2012年4月在LC阶段的最新决定是[-2<sup>27</sup>-1; 2<sup>27</sup>-1],,但也提出了2<sup>24</sup>-1 and 2<sup>30</sup>等其他值。但是,最新的规范不再指定范围。</div> + +<h2 id="Interpolation">Interpolation</h2> + +<p>When animated, values of the <code><integer></code> data type are interpolated using discrete, whole steps. The calculation is done as if they were real, floating-point numbers; the discrete value is obtained using the <a href="http://en.wikipedia.org/wiki/Floor_function" title="http://en.wikipedia.org/wiki/Floor_function">floor function</a>. The speed of the interpolation is determined by the <a href="/en-US/docs/Web/CSS/single-transition-timing-function" title="timing-function">timing function</a> associated with the animation.<br> + 设置动画时,<integer>数据类型的值将使用离散的完整步骤进行插值。计算过程就像是实数,浮点数一样;离散值是使用floor函数得到的。插值的速度由与动画相关联的定时函数确定。</p> + +<h2 id="示例">示例</h2> + +<h3 id="合法整型">合法整型</h3> + +<pre>12 Positive integer (without a leading + sign) ++123 Positive integer (with a leading + sign) +-456 Negative integer +0 Zero ++0 Zero, with a leading + +-0 Zero, with a leading - +</pre> + +<h3 id="非法整型">非法整型</h3> + +<pre class="example-bad">12.0 This is a <number>, not an <integer>, though it represents an integer. +12. Decimal points are not allowed. ++---12 Only one leading +/- is allowed. +ten Letters are not allowed. +_5 Special characters are not allowed. +\35 Escaped Unicode characters are not allowed, even if they are an integer (here: 5). +\4E94 Non-arabic numerals are not allowed, even when escaped (here: the Japanese 5, 五). +3e4 Scientific notation is not allowed. +</pre> + +<h2 id="规范">规范</h2> + +<table class="standard-table"> + <thead> + <tr> + <th>Specification</th> + <th>Status</th> + <th>Comment</th> + </tr> + </thead> + <tbody> + <tr> + <td>{{SpecName('CSS3 Values', '#integers', '<integer>')}}</td> + <td>{{Spec2('CSS3 Values')}}</td> + <td>No significant change.</td> + </tr> + <tr> + <td>{{SpecName('CSS2.1', 'syndata.html#numbers', '<integer>')}}</td> + <td>{{Spec2('CSS2.1')}}</td> + <td>Explicit definition.</td> + </tr> + <tr> + <td>{{SpecName('CSS1', '', '<integer>')}}</td> + <td>{{Spec2('CSS1')}}</td> + <td>Implicit definition.</td> + </tr> + </tbody> +</table> + +<h2 id="Browser_compatibility" name="Browser_compatibility">浏览器兼容性</h2> + +<div>{{CompatibilityTable}}</div> + +<div id="compat-desktop"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Chrome</th> + <th>Firefox (Gecko)</th> + <th>Internet Explorer</th> + <th>Opera</th> + <th>Safari (WebKit)</th> + </tr> + <tr> + <td>basic</td> + <td>1.0</td> + <td>{{CompatGeckoDesktop("1.0")}}</td> + <td>3.0</td> + <td>{{CompatVersionUnknown}}</td> + <td>1.0 (85)</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Android</th> + <th>Firefox Mobile (Gecko)</th> + <th>IE Phone</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + </tbody> +</table> +</div> + +<h2 id="参考">参考</h2> + +<ul> + <li>{{cssxref("<number>")}}</li> +</ul> |