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css3实现3种类型渐变——圆锥渐变

2019-11-18  本文已影响0人  Promise_Irene

首先看一下css3有提供哪三种类型的渐变:

linear-gradient : 线性渐变

线性渐变
语法

background-image: linear-gradient(direction, color-stop1, color-stop2, ...);


/*线性渐变 - 从上到下(默认情况下)*/
#grad {
    background-image: linear-gradient(#e66465, #9198e5);
}

/*线性渐变 - 从左到右*/
#grad {
    height: 200px;
    background-image: linear-gradient(to right, red , yellow);
}

/*线性渐变 - 对角*/
#grad {
  height: 200px;
  background-image: linear-gradient(to bottom right, red, yellow);
}
#grad {
  background-image: linear-gradient(-90deg, red, yellow);
}
#grad {
  /* 标准的语法 */
  background-image: linear-gradient(to right, red,orange,yellow,green,blue,indigo,violet);
}
#grad {
  background-image: linear-gradient(to right, rgba(255,0,0,0), rgba(255,0,0,1));
}
#grad {
  /* 标准的语法 */
  background-image: repeating-linear-gradient(red, yellow 10%, green 20%);
}

linear-gradient : 径向渐变

径向渐变
语法

background-image: radial-gradient(shape size at position, start-color, ..., last-color);;


/* 径向渐变 - 颜色结点均匀分布(默认情况下) */
#grad {
  background-image: radial-gradient(red, yellow, green);
}

/* 径向渐变 - 颜色结点不均匀分布 */
#grad {
  background-image: radial-gradient(red 5%, yellow 15%, green 60%);
}

/* 径向渐变 - 颜色结点均匀分布(默认情况下) */
#grad {
  background-image: radial-gradient(red, yellow, green);
}
#grad {
  background-image: radial-gradient(circle, red, yellow, green);
}
#grad1 {
  background-image: radial-gradient(closest-side at 60% 55%, red, yellow, black);
}

#grad2 {
  background-image: radial-gradient(farthest-side at 60% 55%, red, yellow, black);
}
#grad {
  background-image: repeating-radial-gradient(red, yellow 10%, green 15%);
}

conic-gradient: 圆锥渐变

圆锥渐变
.cir{
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: conic-gradient(red, orange, yellow, green, teal, blue, purple);
}
饼图
.cir{
    width:200px;
    height:200px;
    margin:50px auto;
    background: conic-gradient(deeppink 0,deeppink 30%,yellowgreen 30%,yellowgreen 70%,teal 70%,teal 100%);
    border-radius:50%;
}

菜鸟https://www.runoob.com/css3/css3-gradients.html
conic-gradient圆锥渐变详情https://www.imooc.com/article/27841

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