使用REST接口获取GeoServer中的图层列表

　　最近在工作的过程中，有一个需求是在外部程序中对GeoServer进行管理操作，通过查阅资料发现GeoServer的REST接口可以满足需求。REST接口使用HTTP调用的方式，无需登录Web管理界面就可以对GeoServer进行简单的调用和配置。

　　GeoServer官网对REST的配置API和示例的介绍地址为：http://docs.geoserver.org/stable/en/user/rest/index.html

　　下面的程序通过使用REST接口，请求GeoServer中图层的列表。

<?<span php
    </span><span $url</span> = "http://localhost:8180/geoserver/rest/layers/"<span ;
    </span><span $ch</span> = curl_init(<span $url</span><span );
    curl_setopt(</span><span $ch</span>, CURLOPT_RETURNTRANSFER, <span true</span>);<span //</span><span 设置为true，表示获取的内容以字符串的形式返回</span>
    curl_setopt(<span $ch</span>, CURLOPT_VERBOSE, <span true</span>);<span //</span><span 设置为true，返回执行过程中的异常</span>
    curl_setopt(<span $ch</span>, CURLOPT_GET, <span True</span><span );
    </span><span $passwordStr</span> = "admin:geoserver";<span //</span><span geoserver的用户名:密码</span>
    curl_setopt(<span $ch</span>, CURLOPT_USERPWD, <span $passwordStr</span><span );
    curl_setopt(</span><span $ch</span>, CURLOPT_HTTPHEADER, <span array</span>("Accept:application/json"));<span //</span><span HTTP请求头信息</span>
    <span $successCode</span> = 200<span ;
    </span><span $buffer</span> = curl_exec(<span $ch</span><span );
    </span><span $info</span> = curl_getinfo(<span $ch</span><span );
    curl_close(</span><span $ch</span><span );
    </span><span if</span>(<span $info</span>['http_code'] != <span $successCode</span><span ){
        </span><span $msgStr</span> = "请求失败!"<span ;
        </span><span echo</span> <span $msgStr</span><span ;
    }</span><span else</span><span {
        </span><span $outputArray</span> = json_decode(<span $buffer</span>, <span true</span><span );
        </span><span $layerInfos</span> = <span $outputArray</span>['layers']['layer'<span ];
        </span><span foreach</span>(<span $layerInfos</span> <span as</span> <span $k</span> => <span $v</span><span ){
            </span><span $layerNames</span>[] = <span $v</span>['name'<span ];
        }
        </span><span echo</span> json_encode(<span $layerNames</span><span );
    }
</span>?>

 

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