PhoneGap网站Ping

Question

有没有办法使用Phonegap ping网站？我正在尝试对Phonegap进行能耗测试。我已经完成了连接测试，但想要ping一个站点

function check_network() {
    var networkState = navigator.network.connection.type;

    var states = {};
    states[Connection.UNKNOWN]  = 'Unknown connection';
    states[Connection.ETHERNET] = 'Ethernet connection';
    states[Connection.WIFI]     = 'WiFi connection';
    states[Connection.CELL_2G]  = 'Cell 2G connection';
    states[Connection.CELL_3G]  = 'Cell 3G connection';
    states[Connection.CELL_4G]  = 'Cell 4G connection';
    states[Connection.NONE]     = 'No network connection';

    confirm('Connection type:\n ' + states[networkState]);
}

Answer 1

如果您能够在服务器上运行类似node.js + socket.io的内容，那么您可以使用它来模仿ping：https://github.com/guille/latency-io

您还可以执行XMLHttpRequest（或jQuery.get()）并计算请求和响应之间的时差。但这不会很准确。即：How to ping in JavaScript or jQuery?

你无法真正做到真正的ping，Phonegap API不允许你开箱即用。您可以构建一个插件来执行此类操作，但之后您必须为每个平台编写该本机插件（即http://www.adobe.com/devnet/html5/articles/extending-phonegap-with-native-plugins-for-android.html）。