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PhoneGap Connection

Connection

“

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)
Windows Phone 7 ( Mango )

简单的范例：

复制

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();

完整的范例：

复制

<!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>

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原文地址：https://www.cnblogs.com/mingforyou/p/2944162.html