12-7获取url中的参数.html

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>获取url中的参数</title>
	</head>
	<body>
		<script>
			//获取url中?后面的内容
			//例如：https://hao.360.com/?src=lm&ls=n5b5cf0f09d
			var url = 'https://hao.360.com/?src=lm&ls=n5b5cf0f09d';
			function getParams(url){
				//获取?后面第一个字符的索引
				var index = url.indexOf('?') + 1;
				//获取url中?后面的字符串
				var params = url.substr(index);
				
				var mo = params.split('&');//使用&切割字符串，返回一个数组['src=lm','ls=n5b5cf0f09d']
				
				
				var o = {};//数组中每一项的样子 key = value
				
				for(var i = 0; i < mo.length; i++){
					var tmpArr = mo[i].split('=');
					var key = tmpArr[0];
					var value = tmpArr[1];
					o[key] = value;
				}
				return o;
			}
			var obj = getParams(url);
			console.log(obj);
			console.log(obj.src);
		</script>
	</body>
</html>