setZoom()设置后无效
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
#container {width:1000px; height: 600px; }
</style>
</head>
<body>
<div id="container"></div>
<script type="text/javascript" src="http://webapi.amap.com/maps?v=1.3&key=e1afbba843b58a1e1666c3a90ad54702"></script>
<script>
(function(){
var map = new AMap.Map('container');
map.setCity('太原市');
map.setZoom('18');
})()
</script>
</body>
</html>