客户端client发送请求
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import com.sun.tools.example.debug.expr.ParseException;
public class HttpUtil {
/**
创新互联建站:成立与2013年为各行业开拓出企业自己的“网站建设”服务,为上千余家公司企业提供了专业的成都网站设计、成都网站制作、网页设计和网站推广服务, 按需定制由设计师亲自精心设计,设计的效果完全按照客户的要求,并适当的提出合理的建议,拥有的视觉效果,策划师分析客户的同行竞争对手,根据客户的实际情况给出合理的网站构架,制作客户同行业具有领先地位的。
- 模拟请求
- @param url 资源地址
- @param map 参数列表
- @param encoding 编码
- @return
- @throws ParseException
@throws IOException
*/
public static String send(String url, Mapmap, String encoding) throws ParseException, IOException {
String body = "";
// 创建httpclient对象
CloseableHttpClient client = HttpClients.createDefault();
// 创建post方式请求对象
HttpPost httpPost = new HttpPost(url);
// 装填参数
Listnvps = new ArrayList ();
if (map != null) {
for (Entryentry : map.entrySet()) {
nvps.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
}
}
// 设置参数到请求对象中
httpPost.setEntity(new UrlEncodedFormEntity(nvps, encoding));System.out.println("请求地址:" + url); System.out.println("请求参数:" + nvps.toString()); // 设置header信息 // 指定报文头【Content-type】、【User-Agent】 httpPost.setHeader("Content-type", "application/x-www-form-urlencoded"); httpPost.setHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)"); // 执行请求操作,并拿到结果(同步阻塞) CloseableHttpResponse response = client.execute(httpPost); // 获取结果实体 HttpEntity entity = response.getEntity(); if (entity != null) { // 按指定编码转换结果实体为String类型 body = EntityUtils.toString(entity, encoding); } EntityUtils.consume(entity); // 释放链接 response.close(); return body;
}
public static void main(String[] args) {
Mapparams = new HashMap ();
params.put("call", "Order.pushOrderInfo");
params.put("sign", "5639a9327cb6841517021a1d8c646ee9");
params.put("args","");
try {
System.out.println(send("http://192.168.1.1/user/add", params, "utf-8"));
} catch (ParseException | IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
文章名称:客户端client发送请求
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