PhoneGap API中文帮助文档——Connection（连接）
Connection对象提供对设备的蜂窝及WiFi连接信息的访问。
通过navigator.network接口访问该对象。
属性：
connection.type
常量：
connection.UNKNOWN
connection.ETHERNET
connection.WIFI
connection.CELL_2G
connection.CELL_3G
connection.CELL_4G
connection.NONE
connection.type
检查正在使用的活动网络连接。
说明：
该属性是确定设备网络连接状态和连接类型的快速方法。
支持的平台：
iOS
Android
BlackBerry WebWorks (OS 5.0或更高版本)
简单的范例：
<span style="font-size:13px;">function checkConnection() {
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';
alert('Connection type: ' + states[networkState]);
}
checkConnection();</span>
复制代码完整的范例：
<!DOCTYPE html>
<html>
<head>
<title>navigator.network.connection.type Example</title>
<script type="text/javascript" charset="utf-8" src="phonegap.js"></script>
<script type="text/javascript" charset="utf-8">
// 等待加载PhoneGap
document.addEventListener(“deviceready“, onDeviceReady, false);
// PhoneGap加载完毕，可以安全调用PhoneGap方法
function onDeviceReady() {
checkConnection();
}
function checkConnection() {
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';
alert('Connection type: ' + states[networkState]);
}
</script>
</head>
<body>
<p>A dialog box will report the network state.</p>
</body>
</html>
作者：LuoXianXion补充：移动开发 , 其他 ,
