Question

I have the follwoing code generated from netbean and some modification from this link. The code works well after removing while it doesn t with it. What might be the issue? <!DOCTYPE html>

<?xml version="1.0" encoding="UTF-8"?>
<!--
To change this template, choose Tools | Templates
and open the template in the editor.
-->
**<!DOCTYPE html>**
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html">
    <h:head>
        <title>OpenLayers Example</title>
        <script src="http://openlayers.org/api/OpenLayers.js"></script>
    </h:head>
    <body>
        <div style="width:100%; height:100%" id="map"></div>
        <script defer="defer" type="text/javascript">
            var map = new OpenLayers.Map( map );
            var wms = new OpenLayers.Layer.WMS( "OpenLayers WMS",
            "http://vmap0.tiles.osgeo.org/wms/vmap0", {layers:  basic } );
            var dm_wms = new OpenLayers.Layer.WMS(
            "Canadian Data",
            "http://www2.dmsolutions.ca/cgi-bin/mswms_gmap",
            {
                layers: "bathymetry,land_fn,park,drain_fn,drainage," +
                    "prov_bound,fedlimit,rail,road,popplace",
                transparent: "true",
                format: "image/png"
            },
            {isBaseLayer: false}
        );
            map.addLayers([wms, dm_wms]);
            map.zoomToMaxExtent();
        </script>

    </body>
</html>

Answer 1

也许回答这个问题太晚了,但它能够帮助其他人,因此我尝试了。

我仍不了解这种行为的原因,但我找到解决办法:你必须将“>position: set; 财产分配到div#map/b>。我先用XML进行测试,但用超文本文件进行适当工作。

Answer 2

无论是你使用该软件,还是你使用该软件的方式,都依靠,在浏览器中(即浏览器有意偏离标准和规格的一种模式),模拟旧的锅炉。

顺便说一句,“......”报告有以下错误:

document.getElementsByTagName("head")[0] is undefined
Source: http://openlayers.org/api/OpenLayers.js
Line: 424

此外,这两页似乎空洞。您指的是“无工作”吗?

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