<script type="text/javascript">
    window.onload = function() {
        document.addEventListener("WeixinJSBridgeReady", onWeixinReady, false);
        document.addEventListener("YixinJSBridgeReady", onYixinReady, false);
    };
 
    function onWeixinReady() {
        WeixinJSBridge.invoke('getNetworkType', {},
        function(e) {
 
            var network = e.err_msg.split(":")[1]; //结果在这里
            alert(network);
        });
    }
 
    function onYixinReady() {
 
        YixinJSBridge.invoke('getNetworkType', {},
        function(e) {
 
            var network = e.network_type; //结果在这里
            alert(network);
        });
    }
</script>