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每日笔记20160223_html/css_WEB-ITnose

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Jun 24, 2016 am 11:26 AM

1.webview中给body设固定高度并overflow:hidden无效

解决方法：

　　需要将body下面的所有内容再用一层div包裹起来，例：

<body>    <div class="wrap">    //content.......    </div></body>

　　此时对className=wrap的div设固定高度且overflow:hidden方才有效

2. 对于安卓部分4.4+以上机型和IOS机型，需要等待用户的交互动作后才能播放音乐，也就是说没法实现自动播放音乐。(但微信是可以的，个人理解是微信webview内核有做过专门的处理，如果有知道确切原因的还请麻烦指正)

解决方法: 当用户第一次触碰(最好用touchend，touchstart还有部分机型不兼容)页面时，触发播放音乐

3. 微信客户端自带了一个客户端Banner，高度为64px，所以在针对机型做屏幕兼容性的时候，高度记得减去64px。

比如：

iphone4：320*480 =》 320*416

iphone5：320*568 =》 320*504

iphone6：375*667 =》 375*603

iphone6+：414*736 =》 414*672

4. 之前做页面的时候，出现部分机型无法显示CSS引入的图片。

后来排查后发现是由于使用background属性引入图片导致的，改为用background-image即可。

有问题写法：

background: url("../xxx.jpg") no-repeat;

改进后写法：

background-image: url("../xxx.jpg");background-repeat: no-repeat;

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