webservice的POST和GET请求调用 POST请求 1.发送请求 import java.io.DataOutputStream;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.URL;import java.util.HashMap;import java.util.Map;import org.apache.commons.httpclient.HttpClient;import org.apache.commons.httpclient.methods.PostMethod;import org.apache.commons.httpclient.methods.RequestEntity;import org.apache.commons.httpclient.methods.StringRequestEntity;import com.google.common.io.ByteStreams;/** * HttpClient发送SOAP请求 * @param wsdl url地址 * @param xml 请求体参数 * @return * @throws Exception */public static String sendHttpPost(String wsdl, String xml) throws Exception{ int timeout = 10000; // HttpClient发送SOAP请求 System.out.println("HttpClient 发送SOAP请求"); HttpClient client = new HttpClient(); PostMethod postMethod = new PostMethod(wsdl); // 设置连接超时 client.getHttpConnectionManager().getParams().setConnectionTimeout(timeout); // 设置读取时间超时 client.getHttpConnectionManager().getParams().setSoTimeout(timeout); // 然后把Soap请求数据添加到PostMethod中 RequestEntity requestEntity = new StringRequestEntity(xml, "text/xml", "UTF-8"); // 设置请求体 postMethod.setRequestEntity(requestEntity); int status = client.executeMethod(postMethod); // 打印请求状态码 System.out.println("status:" + status); // 获取响应体输入流 InputStream is = postMethod.getResponseBodyAsStream(); // 获取请求结果字符串 return new String(ByteStreams.toByteArray(is));}/** * HttpURLConnection 发送SOAP请求 * @param wsdl url地址 * @param xml 请求体参数 * @return * @throws Exception */public static String sendURLConnection(String wsdl, String xml) throws Exception{ int timeout = 10000; // HttpURLConnection 发送SOAP请求 System.out.println("HttpURLConnection 发送SOAP请求"); URL url = new URL(wsdl); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestProperty("Content-Type", "text/xml; charset=utf-8"); conn.setRequestMethod("POST"); conn.setUseCaches(false); conn.setDoInput(true); conn.setDoOutput(true); conn.setConnectTimeout(timeout); conn.setReadTimeout(timeout); DataOutputStream dos = new DataOutputStream(conn.getOutputStream()); dos.write(xml.getBytes("utf-8")); dos.flush(); InputStream inputStream = conn.getInputStream(); // 获取请求结果字符串 return new String(ByteStreams.toByteArray(inputStream));} ByteStreams的maven <dependency> <groupId>com.google.guava</groupId> <artifactId>guava</artifactId> <version>27.0.1-jre</version> </dependency> 2.POST请求体 /** * POST请求体 * @param map 请求参数 * @param methodName 方法名 * @return */public static String getXml(Map<String ,String> map , String methodName){ StringBuffer sb = new StringBuffer(""); sb.append("<?xml version="1.0" encoding="UTF-8"?>"); sb.append("<soap:Envelope " + "xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' " + "xmlns:xsd='http://www.w3.org/2001/XMLSchema' " + "xmlns:soap='http://schemas.xmlsoap.org/soap/envelope/'>"); sb.append("<soap:Body>"); sb.append("<" + methodName + " xmlns='http://tempuri.org/'>"); //post参数 for (String str : map.keySet()){ sb.append("<"+str+">"+map.get(str)+"</"+str+">"); } sb.append("</" + methodName + ">"); sb.append("</soap:Body>"); sb.append("</soap:Envelope>"); return sb.toString();} 3.测试
/**
* HTTP POST请求
*/
public static void main(String[] args) throws Exception{ String wsdl = "http://IP:端口/xxx?wsdl"; String methodName = "方法名"; Map<String ,String> map = new HashMap<>(); map.put("参数名","参数值"); //请求体xml String xml = getXml(map, methodName); //发送请求 String s = sendHttpPost(wsdl, xml); System.out.println(s);} GET请求
/**
* 发送请求
*/
import com.google.common.io.ByteStreams;import org.apache.commons.httpclient.HttpStatus;import org.codehaus.jettison.json.JSONObject;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.URL;import java.util.HashMap;import java.util.Map;public static void main(String[] args) throws Exception{String url = "http://IP:端口/xxx/方法名?参数名=参数值"; Map result = new HashMap(16); try { URL url = new URL(url); HttpURLConnection connection = (HttpURLConnection)url.openConnection(); //设置输入输出，因为默认新创建的connection没有读写权限， connection.setDoInput(true); connection.setDoOutput(true); //接收服务端响应 int responseCode = connection.getResponseCode(); if(HttpStatus.SC_OK == responseCode){//表示服务端响应成功 InputStream is = connection.getInputStream(); //响应结果 String s = new String(ByteStreams.toByteArray(is)); result = com.alibaba.fastjson.JSONObject.parseObject(s, Map.class); } } catch (Exception e) { e.printStackTrace(); System.out.println("查询在线状态1:"+e.getMessage()); } System.out.println(result);}