iOS知识---webView加载网址报错Error Domain=NSURLErrorDomain Code=-1022 "The resource could not be loaded beca_ios webview error domain=nsposixerrordomain code=2-优快云博客

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在iOS开发中，使用WebView加载HTTP网址时可能会遇到由于App Transport Security策略导致的加载错误。该错误表明系统默认要求使用HTTPS安全连接。解决此问题的方法是在Info.plist文件中配置例外规则，或者修改App Transport Security Settings设置，允许任意加载。

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xcode在使用webView加载网页的时候可能会遇到加载不出来的报错问题，

App Transport Security has blocked a cleartext HTTP (http://) resource load since it is insecure. Temporary exceptions can be configured via your app’s Info.plist file.
2015-11-20 16:12:16.662 AFNetworking_(3.0)[3091:1742917] failure Error Domain=NSURLErrorDomain Code=-1022 “The resource could not be loaded because the App Transport Security policy requires the use of a secure connection.” UserInfo={NSUnderlyingError=0x7fedb8e02ef0 {Error Domain=kCFErrorDomainCFNetwork Code=-1022 “(null)”}, NSErrorFailingURLStringKey= http://www.baidu.com/ NSErrorFailingURLKey= http://www.baidu.com/ , NSLocalizedDescription=The resource could not be loaded because the App Transport Security policy requires the use of a secure connection.}

那是因为OS9让所有的HTTP默认使用了HTTPS，原来的HTTP协议传输都改成TLS1.2协议进行传输。直接造成的情况就是App发请求的时候弹出网络无法连接。解决方法，在工程里面的Info.plist里面添加如下节点:
还有种新式该法

App Transport Security Settings Dictionary
Allow Arbitrary Loads Boolean Yes