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1.线性渐变:linear-gradient
语法:
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);}2. 径向渐变:radial-gradient
语法:
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。
circle:指定圆形的径向渐变
ellipse:指定椭圆形的径向渐变。
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。
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);}
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%);}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%);}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>参考:CSS参考手册: http://css.doyoe.com/