CSS3颜色渐变模式总结_html/css_WEB-ITnose

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Release: 2016-06-24 11:17:06
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   1.线性渐变:linear-gradient

   语法: = linear-gradient([ [  | to [, ]+)

                  = [left | right] || [top | bottom]

                  = [ |]?

     下述值用来表示渐变的方向,可以使用角度或者关键字来设置:

    : 用角度值指定渐变的方向(或角度)。         to left: 设置渐变为从右到左。相当于: 270deg         to right: 设置渐变从左到右。相当于: 90deg         to top: 设置渐变从下到上。相当于: 0deg         to bottom: 设置渐变从上到下。相当于: 180deg。这是默认值,等同于留空不写。

     用于指定渐变的起止颜色:

         : 指定颜色。        : 用长度值指定起止色位置。不允许负值        

用百分比指定起止色位置。

    示例:


div {    width: 200px;    height: 100px;    margin: 10px 5px;    border: 1px solid #ddd000;}#LinearStartToEnd {  float:left;  background: linear-gradient(#ff0000, #00ff00);}#LinearPercentage {  float:left;  background: linear-gradient(#0000ff, #ff0000 52%, #00ff00);}#LinearAnglePercentage {  float:left;  background: linear-gradient(90deg, #ff0000 20%, #00ff00 50%, #000000 80%);}#LinearAngle {  float:left;  background: linear-gradient(30deg, #ffff00 30%, #ff0000, #00ff00);}#LinearTopRight {  float:left;  background: linear-gradient(to right top, #00ff00, #ff0000 50%, #0000ff);}
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2. 径向渐变:radial-gradient

语法:

= [ ① | ① | left | center① | right ]? [ ② | ② | top | center② | bottom ]?

= circle | ellipse

= |[||]

= closest-side | closest-corner | farthest-side | farthest-corner

=

= [ | ]{2}

= |

= radial-gradient([ [ || ] [ at ]? , | at , ]?[[ , ]]+)

确定圆心的位置。如果提供2个参数,第一个表示横坐标,第二个表示纵坐标;如果只提供一个,第二值默认为50%,即center
①:用长度值指定径向渐变圆心的横坐标值。可以为负值。

①:用百分比指定径向渐变圆心的横坐标值。可以为负值。

②:用长度值指定径向渐变圆心的纵坐标值。可以为负值。

②:用百分比指定径向渐变圆心的纵坐标值。可以为负值。
center①:设置中间为径向渐变圆心的横坐标值。

center②:设置中间为径向渐变圆心的纵坐标值。

left:设置左边为径向渐变圆心的横坐标值。
right:设置右边为径向渐变圆心的横坐标值。
top:设置顶部为径向渐变圆心的纵坐标值。
bottom:设置底部为径向渐变圆心的纵坐标值。
确定圆的类型
circle:指定圆形的径向渐变

ellipse:指定椭圆形的径向渐变。
circle | ellipse 都接受该值作为 size。
closest-side:指定径向渐变的半径长度为从圆心到离圆心最近的边。
closest-corner:指定径向渐变的半径长度为从圆心到离圆心最近的角。
farthest-side:指定径向渐变的半径长度为从圆心到离圆心最远的边。
farthest-corner:指定径向渐变的半径长度为从圆心到离圆心最远的角。
circle 接受该值作为 size。
:用长度值指定正圆径向渐变的半径长度。不允许负值。
ellipse 接受该值作为 size。
:用长度值指定椭圆径向渐变的横向或纵向半径长度。不允许负值。
:用百分比指定椭圆径向渐变的横向或纵向半径长度。不允许负值。

示例:


#RadialCenterCircle {  float:left;    background: radial-gradient(circle at center, #ff0000, #ffff00, #00ffff);}#RadialClosestSide {  float:left;    background: radial-gradient(circle closest-side, #ff0000, #00ff00, #ffff00);}#RadialFarthestSide {  float:left;    background: radial-gradient(farthest-side, #ff0000 20%, #ffff00 60%, #00ff00 80%);}#RadialRightTop {  float:left;    background: radial-gradient(at right top, #ff0000, #ffff00, #00ff00);}#RadialRadiusCenter {  float:left;    background: radial-gradient(farthest-side at top right, #ff0000, #ffff00, #01fefe);}#RadialGroup {  float:left;    background:        radial-gradient(farthest-side at top right, #ff0000, #ffff00, #009f00, transparent),        radial-gradient(60px at top left, #ff0000, #ffff00, #00ff0e);}
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3.重复的线性渐变:repeating-linear-gradient

语法和参数类似线性渐变,这里不在赘述。详情请参考CSS手册。

示例:

#RepeatingLinearPercentage{  float:left;    background: repeating-linear-gradient(#ff0000, #00ff00 10%, #000000 15%);}#RepeatingLinearRight {  float:left;    background: repeating-linear-gradient(to right, #ff0000, #00ff00 10%, #000000 15%);}#RepeatingLinearAngle {  float:left;    background: repeating-linear-gradient(45deg, #ff0000, #00ff00 10%, #0000ff 15%);}#RepeatingLinearBottomLeft {  float:left;    background: repeating-linear-gradient(to bottom left, #00ffff, #ff0000 10%, #00ff00 15%);}
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3. 重复的径向渐变: repeating-radial-gradient

语法和参数类似径向渐变,这里不在赘述。详情请参考CSS手册。

示例:

#RepeatingRadialCircle {  float:left;    background: repeating-radial-gradient(circle, #ff0000 0, #00ff00 10%, #0000ff 15%);}#RepeatingRadialTopLeft {  float:left;    background: repeating-radial-gradient(at top left, #ff0000, #00ff00 10%, #0de0f0 15%, #ffff00 20%, #000000 25%);}#RepeatingRadialClosestCorner {  float:left;    background: repeating-radial-gradient(circle closest-corner at 20px 50px, #00ff00, #ff0000 10%, #00ffff 20%, #ffff00 30%, #ff00ff 40%);}
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完整的例子:

<!DOCTYPE html><html><head><meta charset="utf-8" /><title>ImageCSS3</title><style>div {    width: 200px;    height: 100px;    margin: 10px 5px;    border: 1px solid #ddd000;}#LinearStartToEnd {  float:left;  background: linear-gradient(#ff0000, #00ff00);}#LinearPercentage {  float:left;  background: linear-gradient(#0000ff, #ff0000 52%, #00ff00);}#LinearAnglePercentage {  float:left;  background: linear-gradient(90deg, #ff0000 20%, #00ff00 50%, #000000 80%);}#LinearAngle {  float:left;  background: linear-gradient(30deg, #ffff00 30%, #ff0000, #00ff00);}#LinearTopRight {  float:left;  background: linear-gradient(to right top, #00ff00, #ff0000 50%, #0000ff);}#RadialCenterCircle {  float:left;    background: radial-gradient(circle at center, #ff0000, #ffff00, #00ffff);}#RadialClosestSide {  float:left;    background: radial-gradient(circle closest-side, #ff0000, #00ff00, #ffff00);}#RadialFarthestSide {  float:left;    background: radial-gradient(farthest-side, #ff0000 20%, #ffff00 60%, #00ff00 80%);}#RadialRightTop {  float:left;    background: radial-gradient(at right top, #ff0000, #ffff00, #00ff00);}#RadialRadiusCenter {  float:left;    background: radial-gradient(farthest-side at top right, #ff0000, #ffff00, #01fefe);}#RadialGroup {  float:left;    background:                radial-gradient(farthest-side at top right, #ff0000, #ffff00, #009f00, transparent),                radial-gradient(60px at top left, #ff0000, #ffff00, #00ff0e);}#RepeatingLinearPercentage{  float:left;    background: repeating-linear-gradient(#ff0000, #00ff00 10%, #000000 15%);}#RepeatingLinearRight {  float:left;    background: repeating-linear-gradient(to right, #ff0000, #00ff00 10%, #000000 15%);}#RepeatingLinearAngle {  float:left;    background: repeating-linear-gradient(45deg, #ff0000, #00ff00 10%, #0000ff 15%);}#RepeatingLinearBottomLeft {  float:left;    background: repeating-linear-gradient(to bottom left, #00ffff, #ff0000 10%, #00ff00 15%);}#RepeatingRadialCircle {  float:left;    background: repeating-radial-gradient(circle, #ff0000 0, #00ff00 10%, #0000ff 15%);}#RepeatingRadialTopLeft {  float:left;    background: repeating-radial-gradient(at top left, #ff0000, #00ff00 10%, #0de0f0 15%, #ffff00 20%, #000000 25%);}#RepeatingRadialClosestCorner {  float:left;    background: repeating-radial-gradient(circle closest-corner at 20px 50px, #00ff00, #ff0000 10%, #00ffff 20%, #ffff00 30%, #ff00ff 40%);}</style></head><body><!-- 指定线性渐变起止色 --><div id="LinearStartToEnd"></div><!-- 指定线性渐变起止色位置 --><div id="LinearPercentage"></div><!-- 指定线性渐变颜色渐变方向和起止色位置 --><div id="LinearAnglePercentage"></div><!-- 指定线性渐变颜色渐变方向 --><div id="LinearAngle"></div><!-- 设置渐变从右上到左下 --><div id="LinearTopRight"></div><!-- 浮动Div换行,此处指定Div宽高和边界,是为了覆盖前面定义的Div统一CSS样式, 可以尝试去掉指定的Div宽高和边界,看看效果 --><div style="width:0; height:0; border:none; clear:both"></div><!-- 以中心点为圆心的圆形径向渐变 --><div id="RadialCenterCircle"></div><!-- 径向渐变半径长度:圆心到离圆心最近边的长度 --><div id="RadialClosestSide"></div><!-- 径向渐变半径长度:圆心到离圆心最远边的长度 --><div id="RadialFarthestSide"></div><!-- 左边为径向渐变圆心的横坐标值,顶边为径向渐变圆心的纵坐标值 --><div id="RadialRightTop"></div><!-- 同时指定径向渐变的圆心和半径 --><div id="RadialRadiusCenter"></div><!-- 径向渐变组合 --><div id="RadialGroup"></div><div style="width:0; height:0; border:none; clear:both"></div><!-- 指定颜色起止色位置的重复线性渐变 --><div id="RepeatingLinearPercentage"></div><!-- 从左到右渐变的重复线性渐变 --><div id="RepeatingLinearRight"></div><!-- 渐变角度为45度的重复线性渐变 --><div id="RepeatingLinearAngle"></div><!-- 从左下到右上的重复线性渐变 --><div id="RepeatingLinearBottomLeft"></div><div style="width:0; height:0; border:none; clear:both"></div><!-- 圆形重复径向渐变 --><div id="RepeatingRadialCircle"></div><!-- 渐变方向为左上到右下的重复径向渐变 --><div id="RepeatingRadialTopLeft"></div><!-- 重复径向渐变:渐变半径长度为从圆心到离圆心最近的角的距离 --><div id="RepeatingRadialClosestCorner"></div></body></html>
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      参考:CSS参考手册: http://css.doyoe.com/

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