• GIS学习 Geoserver使用添加、删除、查询地图中的POI

    geoserverwfs:Querywfs:Deletewfs:Updatewfs:Insert 

       在geoserver自定义的地图中通过geoserver wfs 查询，删除，添加相关的POI。

    相关操作的格式如下：

    查询

    <wfs:GetFeature service="WFS" version="1.0.0"  
           outputFormat="GML2"  
           xmlns:opengis="http://www.cetusOpengis.com"  
           xmlns:wfs="http://www.opengis.net/wfs"  
           xmlns:ogc="http://www.opengis.net/ogc"  
           xmlns:gml="http://www.opengis.net/gml"  
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
           xsi:schemaLocation="http://www.opengis.net/wfs   http://schemas.opengis.net/wfs/1.0.0/WFS-basic.xsd">   
           <wfs:Query typeName="opengis:qqy">   
          <ogc:Filter>   
          <ogc:PropertyIsEqualTo>
          <ogc:PropertyName>status</ogc:PropertyName>
          <ogc:Literal>0</ogc:Literal>
          </ogc:PropertyIsEqualTo>
         </ogc:Filter>   
           </wfs:Query>   
        </wfs:GetFeature>;

    添加

    <wfs:Transaction service="WFS" version="1.0.0"  
           outputFormat="GML2"  
           xmlns:opengis="http://www.cetusOpengis.com"  
           xmlns:wfs="http://www.opengis.net/wfs"  
           xmlns:ogc="http://www.opengis.net/ogc"  
           xmlns:gml="http://www.opengis.net/gml"  
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
           xsi:schemaLocation="http://www.opengis.net/wfs   http://schemas.opengis.net/wfs/1.0.0/WFS-basic.xsd">   
           <wfs:Insert handle="someprj1">
              <opengis:someprj>
                 <opengis:the_geom>
                    <gml:Point srsName="http://www.opengis.net/gml/srs/epsg.xml#3395" >
                                 <gml:coordinates decimal="." cs="," ts="">13404701.212,3850391.781</gml:coordinates>
                    </gml:Point>
                 </opengis:the_geom>
                 <opengis:ssds>13</opengis:ssds>
                 <opengis:qqybh>12</opengis:qqybh>
                 <opengis:status>0</opengis:status>
              </opengis:someprj>
           </wfs:Insert>  
        </wfs:Transaction>;

    修改

    <wfs:Transaction service="WFS" version="1.0.0"  
           outputFormat="GML2"  
           xmlns:opengis="http://www.cetusOpengis.com"  
           xmlns:wfs="http://www.opengis.net/wfs"  
           xmlns:ogc="http://www.opengis.net/ogc"  
           xmlns:gml="http://www.opengis.net/gml"  
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
           xsi:schemaLocation="http://www.opengis.net/wfs   http://schemas.opengis.net/wfs/1.0.0/WFS-basic.xsd">   
           <wfs:Update typeName="opengis:qqyproject">
         <wfs:Property>  
           <wfs:Name>qqybh</wfs:Name>
           <wfs:Value>12</wfs:Value>
         </wfs:Property>
          <ogc:Filter>   
          <ogc:PropertyIsEqualTo>
          <ogc:PropertyName>qqybh</ogc:PropertyName>
          <ogc:Literal>0</ogc:Literal>
          </ogc:PropertyIsEqualTo>
         </ogc:Filter>   
           </wfs:Update>   
        </wfs:Transaction>;

    删除

    <wfs:Transaction service="WFS" version="1.0.0"  
           outputFormat="GML2"  
           xmlns:opengis="http://www.cetusOpengis.com"  
           xmlns:wfs="http://www.opengis.net/wfs"  
           xmlns:ogc="http://www.opengis.net/ogc"  
           xmlns:gml="http://www.opengis.net/gml"  
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
           xsi:schemaLocation="http://www.opengis.net/wfs   http://schemas.opengis.net/wfs/1.0.0/WFS-basic.xsd">   
           <wfs:Delete typeName="opengis:qqyproject">
          <ogc:Filter>   
          <ogc:PropertyIsLessThan>
          <ogc:PropertyName>qqybh</ogc:PropertyName>
          <ogc:Literal>12</ogc:Literal>
          </ogc:PropertyIsLessThan>
          <ogc:PropertyIsGreaterThan>
          <ogc:PropertyName>qqybh</ogc:PropertyName>
          <ogc:Literal>0</ogc:Literal>
          </ogc:PropertyIsGreaterThan>
         </ogc:Filter>   
           </wfs:Delete>   
        </wfs:Transaction>;

    具体实现如下：

    Java代码 复制代码 收藏代码
    1. package com.geoserver;  
    2.   
    3. import java.util.HashMap;  
    4. import java.util.Map;  
    5. import java.util.Map.Entry;  
    6.   
    7. /** 
    8.  * 操作geoserver的几种方法 
    9.  *  
    10.  *  
    11.  *  
    12.  * @Title: TODO 
    13.  * @Description: 实现TODO 
    14.  * @Copyright:Copyright (c) 2011 
    15.  * @Company: 
    16.  * @Date:2012-8-30 
    17.  * @author  
    18.  * @version 1.0 
    19.  */  
    20. public class MainGeoService {  
    21.   
    22.     public static void main(String[] args) {  
    23.         addGeoServerService();  
    24.           
    25.       
    26.     }  
    27.     /** 
    28.      * 添加地图定的信息 
    29.      */  
    30.     public static void addGeoServerService(){  
    31.         String layerName="loc_point";  
    32.         String namespaceValue="http://www.easyway.net.cn";  
    33.         double lat=139.54d;  
    34.         double lon=-116.23d;  
    35.           
    36.          Map<String,String> params=new HashMap<String,String>();  
    37.          params.put("FID", "loc_point.4");  
    38.          params.put("NAME", "easyway_001");  
    39.          params.put("OBJECT_CODE", "beijing_tsingperk_768");  
    40.          params.put("HANDLE_ID", "768");  
    41.          params.put("STATUS", "1");  
    42.          params.put("DESCRIPTION", "this is point add by programe");  
    43.               
    44.            
    45.         StringBuffer sb = new StringBuffer();  
    46.         sb.append("<wfs:Transaction service='WFS' version='1.0.0'   ");  
    47.         sb.append("outputFormat='GML2'   ");  
    48.         sb.append(" xmlns:opengis='"+namespaceValue+"'   ");  
    49.         sb.append(" xmlns:wfs='http://www.opengis.net/wfs'   ");  
    50.         sb.append(" xmlns:ogc='http://www.opengis.net/ogc'   ");  
    51.         sb.append(" xmlns:gml='http://www.opengis.net/gml'   ");  
    52.         sb.append("xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'   ");  
    53.         sb.append(" xsi:schemaLocation='http://www.opengis.net/wfs   http://schemas.opengis.net/wfs/1.0.0/WFS-basic.xsd'>   ");   
    54.         sb.append(" <wfs:Insert handle='"+layerName+"'>");  
    55.         sb.append("  <opengis:"+layerName+">");  
    56.         sb.append("    <opengis:the_geom>");  
    57.         sb.append("     <gml:Point srsName='http://www.opengis.net/gml/srs/epsg.xml#3395' >");  
    58.         sb.append("     <gml:coordinates decimal='.' cs=',' ts=' '>"+lat+","+lon+"</gml:coordinates>");  
    59.         sb.append("   </gml:Point>");  
    60.         sb.append(" </opengis:the_geom>");  
    61.           
    62.         if(!params.isEmpty()){  
    63.             for (Entry<String,String> entry : params.entrySet()) {  
    64.                 sb.append("      <opengis:"+entry.getKey()+">"+entry.getValue()+"</opengis:"+entry.getKey()+">");  
    65.             }  
    66.         }  
    67.         sb.append("  </opengis:"+layerName+">");  
    68.         sb.append(" </wfs:Insert>   ");  
    69.         sb.append(" </wfs:Transaction>");  
    70.         String response = HttpUtils.doGeoServerPOST(  
    71.                 "http://10.100.108.20:8080/geoserver/wfs?outputFormat=json",  
    72.                 sb.toString());  
    73.         System.out.println("response:");  
    74.         System.out.println("" + response);  
    75.     }  
    76.     /** 
    77.      * 查询地图中的访问 
    78.      * 假定我们指定的查询范围为bbox，根据上述参数设定，进行范围查询的Url为： 
    79.      * “WfsUrl?REQUEST=GetFeature&typeName= WfsNamespace : WfsLayerName &bbox=bbox&outputFormat=json”。 
    80.      * bbox是怎么来的呢？bbox实际上描绘的是一个矩形，假定矩形左下角的点是Max(x1,y1)，右上角的点是Min(x2,y2)， 
    81.      * 则bbox是形如“x1,y1,x2,y2”的一个字符串。 
    82.      */  
    83.     public static void queryRangeGeoServerService() {  
    84.         //空间   
    85.         String namespace="jacob";  
    86.         //图层名称  
    87.         String layerName="loc_point";  
    88.            
    89.         double minX=40.34d;  
    90.         double minY=65.344d;  
    91.         double maxX=45.34d;  
    92.         double maxY=67.34d;  
    93.            
    94.         String queryRangeURL="http://10.100.108.20:8080/geoserver/wfs?REQUEST=GetFeature&typeName="+namespace+":"+layerName+"&bbox="+minX+","+minY+","+maxX+","+maxY+"&outputFormat=json";  
    95.         String response = HttpUtils.doGeoServerPOST(queryRangeURL,"");  
    96.         System.out.println("response:");  
    97.         System.out.println("" + response);  
    98.     }  
    99.     /** 
    100.      * 查询名称为cesuo 的地方 
    101.      *  
    102.      */  
    103.     public static void queryGeoServerService() {  
    104.          String namespace="jacob";  
    105.          String namespaceValue="http://www.easyway.net.cn";  
    106.          String layerName="loc_point";  
    107.          Map<String,String> params=new HashMap<String,String>();  
    108.          params.put("Name", "cesuo");  
    109.            
    110.         StringBuffer sb = new StringBuffer();  
    111.         sb.append("<w:GetFeature service='WFS' version='1.1.0' ");  
    112.         sb.append(" xmlns:w='http://www.opengis.net/wfs' ");  
    113.         sb.append(" xmlns:f='"+namespaceValue+"' ");  
    114.         sb.append(" xmlns:g='http://www.opengis.net/gml' ");  
    115.         sb.append(" xmlns:o='http://www.opengis.net/ogc' ");  
    116.         sb.append(" x:schemaLocation='http://www.opengis.net/wfs http://schemas.opengis.net/wfs/1.1.0/wfs.xsd WfsUrl/DescribeFeatureType?version=1.1.0&amp;typename="+namespace+":"+layerName+"' ");  
    117.         sb.append(" xmlns:x='http://www.w3.org/2001/XMLSchema-instance'>");  
    118.         sb.append(" <w:Query typeName='f:"+layerName+"'>");  
    119.         sb.append("  <o:Filter>");  
    120.         sb.append("     <o:PropertyIsEqualTo>");  
    121.         if(!params.isEmpty()){  
    122.             for (Entry<String,String> entry : params.entrySet()) {  
    123.                 sb.append("      <o:PropertyName>f:"+entry.getKey()+"</o:PropertyName>");  
    124.                 sb.append("       <o:Literal>"+entry.getValue()+"</o:Literal>");  
    125.             }  
    126.         }  
    127.         sb.append("   </o:PropertyIsEqualTo>");  
    128.         sb.append(" </o:Filter>");  
    129.         sb.append(" </w:Query>");  
    130.         sb.append("</w:GetFeature>");  
    131.         String response = HttpUtils.doGeoServerPOST(  
    132.                 "http://10.100.108.20:8080/geoserver/wfs?outputFormat=json",  
    133.                 sb.toString());  
    134.         System.out.println("response:");  
    135.         System.out.println("" + response);  
    136.     }  
    137.   
    138.     /** 
    139.      *  
    140.      * 假定我们要删除的STATE_NAME为北京的点，则根据上述参数设定，此查询的url为：WfsUrl， 
    141.      * 同时需要将如下形式的参数信息，提交到服务器。如以post的方式， 
    142.      * 将参数信息写入HttpWebRequest的RequestStream中。 
    143.      *  
    144.      */  
    145.     public static void deletePointGeoServerService() {  
    146.           
    147.          String namespace="jacob";  
    148.          String namespaceValue="http://www.easyway.net.cn";  
    149.          String layerName="loc_point";  
    150.          Map<String,String> params=new HashMap<String,String>();  
    151.          params.put("Name", "cesuo");  
    152.           
    153.         StringBuffer sb = new StringBuffer();  
    154.         sb.append("<w:Transaction xmlns:w='http://www.opengis.net/wfs' ");  
    155.         sb.append(" xmlns:f='"+namespaceValue+"' xmlns:g='http://www.opengis.net/gml' ");  
    156.         sb.append("  service='WFS' version='1.1.0' xmlns:o='http://www.opengis.net/ogc' ");  
    157.         sb.append("  x:schemaLocation='http://www.opengis.net/wfs http://schemas.opengis.net/wfs/1.1.0/wfs.xsd WfsUrl /DescribeFeatureType?version=1.1.0&amp;typename="+namespace+":"+layerName+" ' xmlns:x='http://www.w3.org/2001/XMLSchema-instance'>");  
    158.         sb.append("   <w:Delete typeName='f:"+layerName+"'>");  
    159.         sb.append("  <o:Filter>");  
    160.         sb.append("    <o:PropertyIsEqualTo>");  
    161.         if(!params.isEmpty()){  
    162.             for (Entry<String,String> entry : params.entrySet()) {  
    163.                 sb.append("      <o:PropertyName>f:"+entry.getKey()+"</o:PropertyName>");  
    164.                 sb.append("       <o:Literal>"+entry.getValue()+"</o:Literal>");  
    165.             }  
    166.         }  
    167.         sb.append("   </o:PropertyIsEqualTo>");  
    168.         sb.append("        </o:Filter>");  
    169.         sb.append("     </w:Delete>");  
    170.         sb.append(" </w:Transaction>");  
    171.         String response = HttpUtils.doGeoServerPOST(  
    172.                 "http://10.100.108.20:8080/geoserver/wfs?outputFormat=json",  
    173.                 sb.toString());  
    174.         System.out.println("response:");  
    175.         System.out.println("" + response);  
    176.     }  
    177. }  
    package com.geoserver;

import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;

/**
 * 操作geoserver的几种方法
 * 
 * 
 * 
 * @Title: TODO
 * @Description: 实现TODO
 * @Copyright:Copyright (c) 2011
 * @Company:
 * @Date:2012-8-30
 * @author 
 * @version 1.0
 */
public class MainGeoService {

	public static void main(String[] args) {
		addGeoServerService();
		
	
	}
	/**
	 * 添加地图定的信息
	 */
	public static void addGeoServerService(){
		String layerName="loc_point";
		String namespaceValue="http://www.easyway.net.cn";
		double lat=139.54d;
		double lon=-116.23d;
		
		 Map<String,String> params=new HashMap<String,String>();
		 params.put("FID", "loc_point.4");
		 params.put("NAME", "easyway_001");
		 params.put("OBJECT_CODE", "beijing_tsingperk_768");
		 params.put("HANDLE_ID", "768");
		 params.put("STATUS", "1");
		 params.put("DESCRIPTION", "this is point add by programe");
			
		 
		StringBuffer sb = new StringBuffer();
		sb.append("<wfs:Transaction service='WFS' version='1.0.0'   ");
		sb.append("outputFormat='GML2'   ");
		sb.append(" xmlns:opengis='"+namespaceValue+"'   ");
		sb.append(" xmlns:wfs='http://www.opengis.net/wfs'   ");
		sb.append(" xmlns:ogc='http://www.opengis.net/ogc'   ");
		sb.append(" xmlns:gml='http://www.opengis.net/gml'   ");
		sb.append("xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'   ");
		sb.append(" xsi:schemaLocation='http://www.opengis.net/wfs   http://schemas.opengis.net/wfs/1.0.0/WFS-basic.xsd'>   "); 
		sb.append(" <wfs:Insert handle='"+layerName+"'>");
		sb.append("  <opengis:"+layerName+">");
		sb.append("    <opengis:the_geom>");
		sb.append("     <gml:Point srsName='http://www.opengis.net/gml/srs/epsg.xml#3395' >");
		sb.append(" 	<gml:coordinates decimal='.' cs=',' ts=' '>"+lat+","+lon+"</gml:coordinates>");
		sb.append("   </gml:Point>");
		sb.append(" </opengis:the_geom>");
		
		if(!params.isEmpty()){
			for (Entry<String,String> entry : params.entrySet()) {
				sb.append("      <opengis:"+entry.getKey()+">"+entry.getValue()+"</opengis:"+entry.getKey()+">");
			}
		}
		sb.append("  </opengis:"+layerName+">");
		sb.append(" </wfs:Insert>   ");
		sb.append(" </wfs:Transaction>");
		String response = HttpUtils.doGeoServerPOST(
				"http://10.100.108.20:8080/geoserver/wfs?outputFormat=json",
				sb.toString());
		System.out.println("response:");
		System.out.println("" + response);
	}
	/**
	 * 查询地图中的访问
	 * 假定我们指定的查询范围为bbox，根据上述参数设定，进行范围查询的Url为：
	 * “WfsUrl?REQUEST=GetFeature&typeName= WfsNamespace : WfsLayerName &bbox=bbox&outputFormat=json”。
	 * bbox是怎么来的呢？bbox实际上描绘的是一个矩形，假定矩形左下角的点是Max(x1,y1)，右上角的点是Min(x2,y2)，
	 * 则bbox是形如“x1,y1,x2,y2”的一个字符串。
	 */
	public static void queryRangeGeoServerService() {
		//空间 
		String namespace="jacob";
		//图层名称
		String layerName="loc_point";
		 
		double minX=40.34d;
		double minY=65.344d;
		double maxX=45.34d;
		double maxY=67.34d;
		 
		String queryRangeURL="http://10.100.108.20:8080/geoserver/wfs?REQUEST=GetFeature&typeName="+namespace+":"+layerName+"&bbox="+minX+","+minY+","+maxX+","+maxY+"&outputFormat=json";
		String response = HttpUtils.doGeoServerPOST(queryRangeURL,"");
		System.out.println("response:");
		System.out.println("" + response);
	}
	/**
	 * 查询名称为cesuo 的地方
	 * 
	 */
	public static void queryGeoServerService() {
		 String namespace="jacob";
		 String namespaceValue="http://www.easyway.net.cn";
		 String layerName="loc_point";
		 Map<String,String> params=new HashMap<String,String>();
		 params.put("Name", "cesuo");
		 
		StringBuffer sb = new StringBuffer();
		sb.append("<w:GetFeature service='WFS' version='1.1.0' ");
		sb.append(" xmlns:w='http://www.opengis.net/wfs' ");
		sb.append(" xmlns:f='"+namespaceValue+"' ");
		sb.append(" xmlns:g='http://www.opengis.net/gml' ");
		sb.append(" xmlns:o='http://www.opengis.net/ogc' ");
		sb.append(" x:schemaLocation='http://www.opengis.net/wfs http://schemas.opengis.net/wfs/1.1.0/wfs.xsd WfsUrl/DescribeFeatureType?version=1.1.0&amp;typename="+namespace+":"+layerName+"' ");
		sb.append(" xmlns:x='http://www.w3.org/2001/XMLSchema-instance'>");
		sb.append(" <w:Query typeName='f:"+layerName+"'>");
		sb.append("  <o:Filter>");
		sb.append("     <o:PropertyIsEqualTo>");
		if(!params.isEmpty()){
			for (Entry<String,String> entry : params.entrySet()) {
				sb.append("      <o:PropertyName>f:"+entry.getKey()+"</o:PropertyName>");
				sb.append("       <o:Literal>"+entry.getValue()+"</o:Literal>");
			}
		}
		sb.append("   </o:PropertyIsEqualTo>");
		sb.append(" </o:Filter>");
		sb.append(" </w:Query>");
		sb.append("</w:GetFeature>");
		String response = HttpUtils.doGeoServerPOST(
				"http://10.100.108.20:8080/geoserver/wfs?outputFormat=json",
				sb.toString());
		System.out.println("response:");
		System.out.println("" + response);
	}

	/**
	 * 
	 * 假定我们要删除的STATE_NAME为北京的点，则根据上述参数设定，此查询的url为：WfsUrl，
	 * 同时需要将如下形式的参数信息，提交到服务器。如以post的方式，
	 * 将参数信息写入HttpWebRequest的RequestStream中。
	 * 
	 */
	public static void deletePointGeoServerService() {
		
		 String namespace="jacob";
		 String namespaceValue="http://www.easyway.net.cn";
		 String layerName="loc_point";
		 Map<String,String> params=new HashMap<String,String>();
		 params.put("Name", "cesuo");
		
		StringBuffer sb = new StringBuffer();
		sb.append("<w:Transaction xmlns:w='http://www.opengis.net/wfs' ");
		sb.append(" xmlns:f='"+namespaceValue+"' xmlns:g='http://www.opengis.net/gml' ");
		sb.append("	 service='WFS' version='1.1.0' xmlns:o='http://www.opengis.net/ogc' ");
		sb.append("	 x:schemaLocation='http://www.opengis.net/wfs http://schemas.opengis.net/wfs/1.1.0/wfs.xsd WfsUrl /DescribeFeatureType?version=1.1.0&amp;typename="+namespace+":"+layerName+" ' xmlns:x='http://www.w3.org/2001/XMLSchema-instance'>");
		sb.append("   <w:Delete typeName='f:"+layerName+"'>");
		sb.append("  <o:Filter>");
		sb.append("    <o:PropertyIsEqualTo>");
		if(!params.isEmpty()){
			for (Entry<String,String> entry : params.entrySet()) {
				sb.append("      <o:PropertyName>f:"+entry.getKey()+"</o:PropertyName>");
				sb.append("       <o:Literal>"+entry.getValue()+"</o:Literal>");
			}
		}
		sb.append("   </o:PropertyIsEqualTo>");
		sb.append("        </o:Filter>");
		sb.append("     </w:Delete>");
		sb.append(" </w:Transaction>");
		String response = HttpUtils.doGeoServerPOST(
				"http://10.100.108.20:8080/geoserver/wfs?outputFormat=json",
				sb.toString());
		System.out.println("response:");
		System.out.println("" + response);
	}
}
    http工具类：
    Java代码 复制代码 收藏代码
    1. package com.geoserver;  
    2.   
    3. import java.io.IOException;  
    4. import java.io.ObjectInputStream;  
    5.   
    6. import org.apache.http.Header;  
    7. import org.apache.http.HttpEntity;  
    8. import org.apache.http.HttpHost;  
    9. import org.apache.http.HttpResponse;  
    10. import org.apache.http.client.HttpClient;  
    11. import org.apache.http.client.methods.HttpPost;  
    12. import org.apache.http.conn.scheme.PlainSocketFactory;  
    13. import org.apache.http.conn.scheme.Scheme;  
    14. import org.apache.http.conn.scheme.SchemeRegistry;  
    15. import org.apache.http.conn.ssl.SSLSocketFactory;  
    16. import org.apache.http.entity.StringEntity;  
    17. import org.apache.http.impl.client.DefaultHttpClient;  
    18. import org.apache.http.params.CoreConnectionPNames;  
    19. import org.apache.http.util.EntityUtils;  
    20. import org.slf4j.Logger;  
    21. import org.slf4j.LoggerFactory;  
    22.   
    23. /** 
    24.  *  
    25.  * @Title: TODO 
    26.  * @Description: 实现TODO 
    27.  * @Copyright:Copyright (c) 2011 
    28.  * @Company: 
    29.  * @Date:2012-8-30 
    30.  * @author  
    31.  * @version 1.0 
    32.  */  
    33. public class HttpUtils {  
    34.   
    35.     private final static Logger logger = LoggerFactory.getLogger(HttpUtils.class);  
    36.       
    37.   
    38.     private static final int    DEFAULT_CONN_TIMEOUT_MILLISECONDS   = 5 * 1000;  
    39.   
    40.     private static final int    DEFAULT_READ_TIMEOUT_MILLISECONDS   = 60 * 1000;  
    41.   
    42.   
    43.     private static final String CHARSET = "utf-8";  
    44.       
    45.     private static HttpClient httpClient;  
    46.       
    47.     static HttpHost proxy;  
    48.   
    49.     static {  
    50.         proxy = new HttpHost("10.0.0.172", 80);  
    51.     }  
    52.       
    53.     private static HttpClient initHttpClient(String charset) {  
    54.         if (charset == null)  
    55.             charset = System.getProperty("sun.jnu.encoding");  
    56.         releaseConnection();  
    57.           
    58.         // 设置我们的HttpClient支持HTTP和HTTPS两种模式  
    59.         SchemeRegistry schemeRegistry = new SchemeRegistry();  
    60.         schemeRegistry.register(new Scheme("http", 80, PlainSocketFactory.getSocketFactory()));  
    61.         schemeRegistry.register(new Scheme("https", 443, SSLSocketFactory.getSocketFactory()));  
    62.   
    63.         // 使用线程安全的连接管理来创建HttpClient  
    64.         /*ThreadSafeClientConnManager connectionManager = new ThreadSafeClientConnManager(schemeRegistry); 
    65.         connectionManager.setMaxTotal(DEFAULT_MAX_TOTAL_CONNECTIONS); 
    66.         connectionManager.setDefaultMaxPerRoute(DEFAULT_MAX_CONNECTIONS_PER_ROUTE);*/  
    67.         httpClient = new DefaultHttpClient();  
    68.   
    69.         /*HttpParams params = httpClient.getParams(); 
    70.         params.setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 
    71.                 DEFAULT_CONN_TIMEOUT_MILLISECONDS); 
    72.         params.setIntParameter(CoreConnectionPNames.SO_TIMEOUT, 
    73.                 DEFAULT_READ_TIMEOUT_MILLISECONDS);*/  
    74.           
    75.         setConnectTimeout(DEFAULT_CONN_TIMEOUT_MILLISECONDS);  
    76.         setReadTimeout(DEFAULT_READ_TIMEOUT_MILLISECONDS);  
    77.           
    78.         return httpClient;  
    79.     }  
    80.       
    81.       
    82.   
    83.   
    84.   
    85.     /** 
    86.      * HTTP post请求 
    87.      *  
    88.      * @param url 
    89.      *            请求地址 
    90.      * @param parmsMap 
    91.      *            post数据 
    92.      * @return 
    93.      */  
    94.     public static String doGeoServerPOST(String url, String requst) {  
    95.         HttpPost httpPost = null;  
    96.         HttpResponse httpResponse = null;  
    97.         ObjectInputStream ois = null;  
    98.         try {  
    99.             if (httpClient == null)  
    100.                 initHttpClient(CHARSET);  
    101.               
    102.             httpPost = new HttpPost(url);  
    103.             // 绑定参数Entity  
    104.             StringEntity stringEntity = new StringEntity(requst, CHARSET);  
    105.             httpPost.setEntity(stringEntity);  
    106.             // 发送请求  
    107.             httpResponse = httpClient.execute(httpPost);  
    108.   
    109.             if (httpResponse.getStatusLine().getStatusCode() == 200) {  
    110.                 Header[] headers = httpResponse.getAllHeaders();  
    111.                 for(Header h : headers){  
    112.                     System.err.println(h.getName() + " : " + h.getValue());  
    113.                 }  
    114.                 HttpEntity entity = httpResponse.getEntity();  
    115.                 return EntityUtils.toString(entity);  
    116.             }  
    117.             return null;  
    118.         } catch (Exception e) {  
    119.             e.printStackTrace();  
    120.             return null;  
    121.         } finally {  
    122.             try {  
    123.                 if (ois != null) {  
    124.                     ois.close();  
    125.                 }  
    126.             } catch (IOException e) {  
    127.                 e.printStackTrace();  
    128.             }  
    129.             httpClient.getConnectionManager().shutdown();  
    130.         }  
    131.     }  
    132.   
    133.     /**  
    134.      * Set the connection timeout for the underlying HttpClient. A timeout value  
    135.      * of 0 specifies an infinite timeout.  
    136.      *   
    137.      * @param timeout the timeout value in milliseconds  
    138.      */    
    139.     private static void setConnectTimeout(int timeout) {    
    140.         httpClient.getParams().setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT,    
    141.                 timeout);    
    142.     }    
    143.     
    144.     /**  
    145.      * Set the socket timeout (SO_TIMEOUT) in milliseconds, which is the timeout  
    146.      * for waiting for data or, put differently, a maximum period inactivity  
    147.      * between two consecutive data packets.A timeout value of 0 specifies an  
    148.      * infinite timeout.  
    149.      *   
    150.      * @param timeout the timeout value in milliseconds  
    151.      */    
    152.     private static void setReadTimeout(int timeout) {    
    153.         httpClient.getParams().setIntParameter(CoreConnectionPNames.SO_TIMEOUT, timeout);    
    154.     }  
    155.       
    156.   
    157.     private static void releaseConnection() {  
    158.         if (httpClient != null)  
    159.             httpClient.getConnectionManager().shutdown();  
    160.     }  
    161.       
    162.   
    163. }  
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  • 原文地址：https://www.cnblogs.com/tian830937/p/4419757.html
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