/*html代码*/
<div class="test"></div>
/*对应的css代码*/
.test{
width: 100px;
height: 100px;
background: yellow;
margin: 100px auto;
border-radius: 50%;
box-shadow: 10px 10px 20px 10px rgba(255,255,0,0.5), -10px 10px 10px 10px rgba(255,255,255,0.5)
}这两种都是PS图层样式的投影效果,不同的是,一个阴影显示在外,一个显示在内
说具体点,以图片的边缘为界,'投影'是显示在边缘外的阴影,'内阴影'是显示在边缘内的阴影
<!DOCTYPE html>
<html>
<head>
<style>
p.one {
text-shadow: 3px 5px 5px #FF0000;
}
p.two {
color: white;
text-shadow: 1px 1px 2px black,
0 0 25px blue,
0 0 5px darkblue;
}
</style>
</head>
<body>
<p class="one">文本阴影效果</p>
<p class="two">文本阴影效果</p>
</body>
</html>
.shadow {
-moz-box-shadow: 3px 3px 4px #000;
-webkit-box-shadow: 3px 3px 4px #000;
box-shadow: 3px 3px 4px #000;
/* For IE 8 */
-ms-filter: "progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=135, Color='#000000')";
/* For IE 5.5 - 7 */
filter: progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=135, Color='#000000');
} -webkit-box-shadow:0px 3px 3px #c8c8c8 ;
-moz-box-shadow:0px 3px 3px #c8c8c8 ;
box-shadow:0px 3px 3px #c8c8c8 ;
1. .box-shadow{
2.
3. 4.0-
4.
5. -moz-box-shadow:投影方式 X轴偏移量 Y轴偏移量阴影模糊半径 阴影扩展半径 阴影颜色;
6.
7. 10.0-
8.
9. -webkit-box-shadow:投影方式 X轴偏移量 Y轴偏移量阴影模糊半径 阴影扩展半径 阴影颜色;
10.
11. 4.0+、 Google chrome 10.0+ 、 Oprea10.5+ and IE9
12.
13. box-shadow: 投影方式 X轴偏移量 Y轴偏移量 阴影模糊半径 阴影扩展半径 阴影颜色;
14.
15. }<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>文本阴影</title>
<style>h1{
/*文本阴影，参数分别为：水平距离，垂直距离，模糊距离，阴影颜色*/
text-shadow: 5px 5px 2px aqua;
}</style>
</head>
<body>
<h1>标题</h1>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>* {
margin: 0;
}
div {
width: 100px;
height: 100px;
background: linear-gradient(45deg,red,blue);
}</style>
</head>
<body>
<div></div>
</body>
</html>
-webkit-box-shadow:0px 3px 3px #c8c8c8 ;
-moz-box-shadow:0px 3px 3px #c8c8c8 ;
box-shadow:0px 3px 3px #c8c8c8 ;
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>盒子阴影</title>
<style>div{
width: 300px;
height: 300px;
margin-left: 20px;
margin-top: 20px;
border: 10px solid yellow;
background-image: url("../resource/image/img.png");
background-size: cover;
/*box-shadow:水平位置，垂直位置，模糊距离，阴影尺寸，阴影颜色，inset*/
box-shadow: 20px 20px 100px 10px yellow;
}</style>
</head>
<body>
<div></div>
</body>
</html>
/* 创建一个名为shadow的CSS类 */
.shadow {
-fx-effect: dropshadow(gaussian, rgba(0, 0, 0, 0.5), 10, 0, 0, 0);
}
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto">
<android.support.v7.widget.CardView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="16dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<ImageView
android:layout_width="match_parent"
android:layout_height="160dp"
android:scaleType="centerCrop"
android:src="@drawable/balon" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="16dp">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:text="@string/card_title"
android:textColor="#000"
android:textSize="18sp" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/card_content"
android:textColor="#555" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/action_share"
android:theme="@style/PrimaryFlatButton" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/action_explore"
android:theme="@style/PrimaryFlatButton" />
</LinearLayout>
</LinearLayout>
</android.support.v7.widget.CardView>
</RelativeLayout>复制代码public class ShadowView extends View {
private Paint mShadowPaint;
private Drawable mBackgroundDrawable;
public ShadowView(Context context) {
super(context);
init();
}
public ShadowView(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
private void init() {
// 初始化阴影画笔
mShadowPaint = new Paint();
mShadowPaint.setColor(Color.BLACK);
mShadowPaint.setShadowLayer(10, 0, 0, Color.parseColor("#33000000"));
// 初始化背景Drawable
mBackgroundDrawable = getResources().getDrawable(R.drawable.background_shape);
}
@Override
protected void onDraw(Canvas canvas) {
// 绘制阴影
canvas.drawRect(0, 0, getWidth(), getHeight(), mShadowPaint);
// 绘制背景
mBackgroundDrawable.setBounds(0, 0, getWidth(), getHeight());
mBackgroundDrawable.draw(canvas);
}
}
