<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[raly125的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/raly125</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; raly125]]></copyright><item><title><![CDATA[uiwebview 高度自适应]]></title><link>https://blog.youkuaiyun.com/raly125/article/details/78009040</link><guid>https://blog.youkuaiyun.com/raly125/article/details/78009040</guid><author>raly125</author><pubDate>Sun, 17 Sep 2017 11:11:00 +0800</pubDate><description><![CDATA[step 1  设定uiwebview一个固定的高度值（设置一个合适的高度）
 step 2  添加一个高度的引用


@property (weak, nonatomic) IBOutlet NSLayoutConstraint *webViewHeightConstraint;



step 3 添加UIWebViewDelegate 并设置自身delegate

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