微信分享js

<script type="text/javascript">
	window.shareData = {
		"imgUrl": "http://www.baidu.com/img/baidu_jgylogo3.gif",
		"timeLineLink": "http://www.lrxin.com",
		"tTitle": "这里是标题",
		"tContent": "这里是描述文字"
	};
	
	
	
	document.addEventListener('WeixinJSBridgeReady', function onBridgeReady() {
			WeixinJSBridge.call('showOptionMenu');
		WeixinJSBridge.on('menu:share:appmessage', function(argv) {
			WeixinJSBridge.invoke('sendAppMessage', {
				"img_url": window.shareData.imgUrl,
				"link": window.shareData.timeLineLink,
				"desc": window.shareData.tContent,
				"title": window.shareData.tTitle
			}, function(res) {
			})
		});
		WeixinJSBridge.on('menu:share:timeline', function(argv) {
			WeixinJSBridge.invoke('shareTimeline', {
				"img_url": window.shareData.imgUrl,
				"img_width": "640",
				"img_height": "640",
				"link": window.shareData.timeLineLink,
				"desc": window.shareData.tContent,
				"title": window.shareData.tTitle
			}, function(res) {
			});
		});
	}, false);
	</script>