import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
public class HttpClientUtils {
private static final Log log = LogFactory.getLog(HttpClientUtils.class);
/**
* 不带参数的get请求方式
* get 解决乱码的方法
* @param url
* @return
*/
public static String httpGet(String url) {
log.info("调用get请求方法...url:"+url);
try {
HttpGet httpGet = new HttpGet(url);
HttpClient client = new DefaultHttpClient();
HttpResponse resp = client.execute(httpGet);
HttpEntity entity = resp.getEntity();
String respContent = EntityUtils.toString(entity , "UTF-8").trim();
httpGet.abort();
client.getConnectionManager().shutdown();
log.info("调用get请求方法 请求结果字符串为"+respContent);
return respContent;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* 带参数的post请求方式
* post 解决乱码的方法
* @param url
* @param params
* @return
*/
public static String httpPost(String url, Map<String, String> params) {
log.info("调用post请求方法........url:"+url);
try {
HttpPost httpPost = new HttpPost(url);
HttpClient client = new DefaultHttpClient();
List<NameValuePair> valuePairs = new ArrayList<NameValuePair>(params.size());
for(Map.Entry<String, String> entry : params.entrySet()){
NameValuePair nameValuePair = new BasicNameValuePair(entry.getKey(), String.valueOf(entry.getValue()));
valuePairs.add(nameValuePair);
}
UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(valuePairs, "UTF-8");
httpPost.setEntity(formEntity);
HttpResponse resp = client.execute(httpPost);
HttpEntity entity = resp.getEntity();
String respContent = EntityUtils.toString(entity , "UTF-8").trim();
httpPost.abort();
client.getConnectionManager().shutdown();
log.info("调用post请求方法 请求结果字符串为"+respContent);
return respContent;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* 带参数的post请求方式
* post 解决乱码的方法
* @param url
* @param params
* @return
*/
public static String httpPut(String url, Map<String, String> params) {
log.info("调用put请求方法............url:"+url);
try {
HttpPut httpPut = new HttpPut(url);
HttpClient client = new DefaultHttpClient();
List<NameValuePair> valuePairs = new ArrayList<NameValuePair>(params.size());
for(Map.Entry<String, String> entry : params.entrySet()){
NameValuePair nameValuePair = new BasicNameValuePair(entry.getKey(), String.valueOf(entry.getValue()));
valuePairs.add(nameValuePair);
}
UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(valuePairs, "UTF-8");
httpPut.setEntity(formEntity);
HttpResponse resp = client.execute(httpPut);
HttpEntity entity = resp.getEntity();
String respContent = EntityUtils.toString(entity , "UTF-8").trim();
httpPut.abort();
client.getConnectionManager().shutdown();
log.info("调用put请求方法 请求结果字符串为"+respContent);
return respContent;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}
httpClient工具包
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