itms-services链接

[code]
<a href="itms-services://?action=download-manifest&url=https://example.com/manifest.plist">Install App</a>
[/code]

manifest.plist应用清单文件
[code]
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<!– array of downloads. –>
<key>items</key>
<array>
<dict>
<!– an array of assets to download –>
<key>assets</key>
<array>
<!– software-package: the ipa to install. –>
<dict>
<!– required. the asset kind. –>
<key>kind</key>
<string>software-package</string>
<!– optional. md5 every n bytes. will restart a chunk if md5 fails. –>
<key>md5-size</key>
<integer>10485760</integer>
<!– optional. array of md5 hashes for each "md5-size" sized chunk. –>
<key>md5s</key>
<array>
<string>41fa64bb7a7cae5a46bfb45821ac8bba</string>
<string>51fa64bb7a7cae5a46bfb45821ac8bba</string>
</array>
<!– required. the URL of the file to download. –>
<key>url</key>
<string>https://www.example.com/apps/foo.ipa</string>
</dict>
<!– display-image: the icon to display during download.–>
<dict>
<key>kind</key>
<string>display-image</string>
<!– optional. indicates if icon needs shine effect applied. –>
<key>needs-shine</key>
<true/>
<key>url</key>
<string>https://www.example.com/image.57×57.png</string>
</dict>
<!– full-size-image: the large 512×512 icon used by iTunes. –>
<dict>
<key>kind</key>
<string>full-size-image</string>
<!– optional. one md5 hash for the entire file. –>
<key>md5</key>
<string>61fa64bb7a7cae5a46bfb45821ac8bba</string>
<key>needs-shine</key>
<true/>
<key>url</key><string>https://www.example.com/image.512×512.jpg</string>
</dict>
</array>
<key>metadata</key>
<dict>
<!– required –>
<key>bundle-identifier</key>
<string>com.example.fooapp</string>
<!– optional (software only) –>
<key>bundle-version</key>
<string>1.0</string>
<!– required. the download kind. –>
<key>kind</key>
<string>software</string>
<!– optional. displayed during download; typically company name –>
<key>subtitle</key>
<string>Apple</string>
<!– required. the title to display during the download. –>
<key>title</key>
<string>Example Corporate App</string>
</dict>
</dict>
</array>
</dict>
</plist>
[/code]

参考
http://help.apple.com/deployment/ios/#/apda0e3426d7