HTTP用不了，修改info.plist文件

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">

<plist version="1.0">

<dict>

    <key>NSAppTransportSecurity</key>

    <dict>

    <key>NSAllowsArbitraryLoads</key>

    <true/>

    </dict>

    <key>CFBundleDevelopmentRegion</key>

    <string>en</string>

    <key>CFBundleExecutable</key>

    <string>$(EXECUTABLE_NAME)</string>

    <key>CFBundleIdentifier</key>

    <string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>

    <key>CFBundleInfoDictionaryVersion</key>

    <string>6.0</string>

    <key>CFBundleName</key>

    <string>$(PRODUCT_NAME)</string>

    <key>CFBundlePackageType</key>

    <string>APPL</string>

    <key>CFBundleShortVersionString</key>

    <string>1.0</string>

    <key>CFBundleSignature</key>

    <string>????</string>

    <key>CFBundleVersion</key>

    <string>1</string>

    <key>LSRequiresIPhoneOS</key>

    <true/>

    <key>UILaunchStoryboardName</key>

    <string>LaunchScreen</string>

    <key>UIRequiredDeviceCapabilities</key>

    <array>

        <string>armv7</string>

    </array>

    <key>UISupportedInterfaceOrientations</key>

    <array>

        <string>UIInterfaceOrientationPortrait</string>

        <string>UIInterfaceOrientationLandscapeLeft</string>

        <string>UIInterfaceOrientationLandscapeRight</string>

    </array>

</dict>

</plist>