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java如何实现post请求webservice服务端

 更新时间：2022年03月23日 10:17:21   作者：litGrey  
这篇文章主要介绍了java如何实现post请求webservice服务端，具有很好的参考价值，希望对大家有所帮助。如有错误或未考虑完全的地方，望不吝赐教

post请求webservice服务端

当生成webService的客户端不好实现时，通过java的post请求不失为一种好办法。

1.例如我此时有一个wsdl文件

http://xxx.xxx.xxx.xxx:8081/APIService.svc?wsdl

2.通过SoapUI 我们可以将swdl文件转换。从而模拟发送请求。以及参数

(不懂soapui请自行百度)

2.点击row查看具体的发送参数

具体参数对应规则（以下对应代码上应该发送的参数是什么）

3.代码实现

  public static void main(String[] args) {
        try{
            String url="http://xxx.xxx.xxx.xxx:8081/APIService.svc";
            String params="<soapenv:Envelope xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:tem=\"http://tempuri.org/\" xmlns:hn=\"http://schemas.datacontract.org/2004/07/hn.DataAccess.bll\">\n" +
                    "         </tem:input>\n" +
                    "   </soapenv:Body>\n" +
                    "</soapenv:Envelope>";
            String host="xxx.xxx.xxx.xxx:8081";
            String SOAPAction="http://aaa/aaa/aaa";
 
            //接受返回报文
            String result = new String();
            URL u = new URL(url);
            HttpURLConnection conn = (HttpURLConnection) u.openConnection();
            conn.setDoInput(true);
            //允许对外输出数据
            conn.setDoOutput(true);
            conn.setUseCaches(false);
            conn.setDefaultUseCaches(false);
            conn.setRequestProperty("Host",host);
            conn.setRequestProperty("Content-Type","text/xml;charset=UTF-8");
            //soap
            conn.setRequestProperty("SOAPAction",SOAPAction);
            conn.setRequestProperty("Content-Length",String.valueOf(params.length()));
            conn.setRequestMethod("POST");
            //定义输出流
            OutputStream output = conn.getOutputStream();
            if(StringUtils.isNotBlank(params)){
                byte[] b = params.getBytes("UTF-8");
                //发送soap请求报文
                output.write(b,0,b.length);
                output.flush();
                output.close();
                //定义输入流，获取soap报文
                InputStream input = conn.getInputStream();
                //设置编码格式
                result = IOUtils.toString(input,"UTF-8");
                input.close();
            }
            System.out.println("请求返回报文：" + result);
        }catch (Exception e){
            System.out.println(e.getMessage());
        } 
    }

3.1参数说明

  • url：这个地址即wsdl文件地址去掉后缀  “?wsdl”。如此例就是：
  • wsdl：
http://xxx.xxx.xxx.xxx:8081/APIService.svc?wsdl
  • url：
http://xxx.xxx.xxx.xxx:8081/APIService.svc
  • params：这个即是请求的参数
  • host：这个是对方的主机地址和端口号。 如此例为：  xxx.xxx.xxx.xxx:8081
  • SOAPAction：具体service路径

用post请求调用webservice

先说下遇到的坑，最先用post请求的时候一直返回500的错误码

最终通过打印错误信息分析，请求头必须添加SOAPAction

//请求头必须设置SOAPAction
connection.setRequestProperty("SOAPAction","application/soap+xml; charset=utf-8"); 

xml转json需要用到hutool-all-4.0.12.jar，解析json比xml要简单得多。

如果不需要用xml转json，除需要jdk自带的包不再需要引入其他的包。

package com.baidu.util; 
import cn.hutool.json.XML;
import net.sf.json.JSONObject; 
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
 
/**
 * @author 蓝珂一剑
 * @version 1.0.0
 * @ClassName SoapUtil.java
 * @Description webservice调用工具类
 * @createTime 2020/9/29 10:37
 */
public class SoapUtil {
 
    /**
     * 发送http post调用webservice
     *
     * @param strUrl
     * @param requestSoapXml
     * @return
     * @throws IOException
     */
    public static String soapPost(String strUrl, String requestSoapXml) throws IOException {
        //第一步：创建服务地址，不是WSDL地址
        URL url = new URL(strUrl);
        //第二步：打开一个通向服务地址的连接
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        //第三步：设置参数
        //3.1发送方式设置：POST必须大写
        connection.setRequestMethod("POST");
        //3.2设置数据格式：content-type
        connection.setRequestProperty("content-type", "text/xml;charset=utf-8");
        //3.3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);
        //请求头必须设置SOAPAction
        connection.setRequestProperty("SOAPAction","application/soap+xml; charset=utf-8");
        //第四步：组织SOAP数据，发送请求
        OutputStream os = connection.getOutputStream();
        //os.write(requestSoapXml.getBytes());这个方法遇到一个大坑记录下
        //当时在开发工具中通过这个方法调用接口一切都OK，但是放到客户服务器上发送post
        //请求就返回500错误，错误信息太少，走了很多弯路，百度无果后，
        //后面灵机一动，会不会是传输的数据编码不对，
        //导致接口服务端解析请求数据报错从而返回500错误码，
        //其实我是不知道服务端到底用的什么编码，
        //经过尝试 os.write(requestSoapXml.getBytes("utf-8"));
        //结果成功了，根据实际情况这个编码会改动
        os.write(requestSoapXml.getBytes());
        //第五步：接收服务端响应，打印
        int responseCode = connection.getResponseCode();
        //==============打印错误信息
//        try{
//            InputStream iss = connection.getErrorStream();    //通过getErrorStream了解错误的详情
//            InputStreamReader isrs = new InputStreamReader(iss,"utf-8");
//            BufferedReader ins = new BufferedReader(isrs);
//            String inputLine;
//            BufferedWriter bws = new BufferedWriter(new OutputStreamWriter(
//                    new FileOutputStream("result.xml")));// 将结果存放的位置
//            while ((inputLine = ins.readLine()) != null)
//            {
//                System.out.println(inputLine);
//                bws.write(inputLine);
//                bws.newLine();
//
//            }
//            bws.close();
//        }catch (Exception e){
//
//        }
        //==============
        StringBuilder sb = new StringBuilder();
        if (200 == responseCode) {//表示服务端响应成功
            InputStream is = connection.getInputStream();
            InputStreamReader isr = new InputStreamReader(is);
            BufferedReader br = new BufferedReader(isr);
 
            String temp = null;
            while (null != (temp = br.readLine())) {
                sb.append(temp);
            }
            is.close();
            isr.close();
            br.close();
        }else{
            throw new RuntimeException("调用webservice失败：服务器端返回HTTP code " + responseCode + "信息：" );
        }
 
        os.close();
        return sb.toString(); 
    }
    
    public static void main(String[] args)  {
        String url = "http://192.168.100.86:6888/ormrpc/services/WSImpExtFaCardFacade";
        String p = "<soapenv:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:web=\"http://webservice.app.manage.fa.fi.eas.kingdee.com\">\n" +
                "   <soapenv:Header/>\n" +
                "   <soapenv:Body>\n" +
                "      <web:impFaCard soapenv:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">\n" +
                "         <jsonStr xsi:type=\"xsd:string\">{\"header\":{\"bizcode\":\"42AC39EC\",\"bizdate\":\"2020-10-12\"},\"datas\":[{\"companynum\":\"D01\",\"facatnum\":\"04\",\"number\":\"JD04202010120000175\",\"oldnumber\":\"\",\"assetname\":\"服务器\",\"assetamount\":\"1\",\"measureunitnum\":\"件\",\"recorddate\":\"2020-10-12\",\"fiaccountdate\":\"2020-10-12\",\"originnum\":\"00101\",\"fausestatusnum\":\"101\",\"economypurposenum\":\"001\",\"storecitynum\":\"001\",\"specs\":\" \",\"parea\":\"\",\"manufacturer\":\"\",\"leavefactorydate\":\"\",\"paperno\":\"\",\"fromunit\":\"-1\",\"deptnum\":\"JD.001\",\"keepernum\":\"EP17019484\",\"remark\":\"\",\"currencynum\":\"BB01\",\"exchangerate\":\"1\",\"originalamount\":\"12000.0\",\"additiveamount\":\"0\",\"localamount\":\"12000.0\",\"inputtax\":\"0\",\"fairvalue\":\"0\",\"buyoriginalvalue\":\"0\",\"buyaddupdep\":\"0\",\"treatmentincome\":\"0\",\"deliverdate\":\"\",\"startdate\":\"2020-10-12\",\"expuseyears\":\"5\",\"expuseperiod\":\"60\",\"depperiod\":\"0\",\"addupdep\":\"0\",\"neatleftrate\":\"0\",\"expneatleftvalue\":\"3600.0\",\"neatvalue\":\"12000.0\",\"addupdepthisyear\":\"0\",\"decprepare\":\"0\",\"neatamount\":\"12000.0\",\"deprmethodnum\":\"0\",\"measureunitwlnum\":\"\",\"accountassetsnum\":\"04\",\"accountaccudeprnum\":\"04\",\"accountdecvaluenum\":\"04\",\"initevalvalue\":\"0\",\"evalperiodleft\":\"0\",\"accudeprall\":\"0\",\"hasdisabled\":\"0\",\"addonfare\":\"0\",\"monthrate\":\"0\",\"wrtyperiod\":\"\",\"wrtynumber\":\"\",\"groupnumber\":\"\",\"barcode\":\"JD04202010120000175\",\"usedepartmentnum\":\"JD.001\",\"usepersonnum\":\"\",\"usage\":\"\",\"asstacttypenum\":\"CBZX\",\"asstactitemnum\":\"Y0101\",\"accountnum\":\"6602.05\",\"apportionscale\":\"100\"},{\"companynum\":\"D01\",\"facatnum\":\"04\",\"number\":\"JD04202010120000176\",\"oldnumber\":\"\",\"assetname\":\"服务器\",\"assetamount\":\"1\",\"measureunitnum\":\"件\",\"recorddate\":\"2020-10-12\",\"fiaccountdate\":\"2020-10-12\",\"originnum\":\"00101\",\"fausestatusnum\":\"101\",\"economypurposenum\":\"001\",\"storecitynum\":\"001\",\"specs\":\" \",\"parea\":\"\",\"manufacturer\":\"\",\"leavefactorydate\":\"\",\"paperno\":\"\",\"fromunit\":\"-1\",\"deptnum\":\"JD.001\",\"keepernum\":\"EP17019484\",\"remark\":\"\",\"currencynum\":\"BB01\",\"exchangerate\":\"1\",\"originalamount\":\"12000.0\",\"additiveamount\":\"0\",\"localamount\":\"12000.0\",\"inputtax\":\"0\",\"fairvalue\":\"0\",\"buyoriginalvalue\":\"0\",\"buyaddupdep\":\"0\",\"treatmentincome\":\"0\",\"deliverdate\":\"\",\"startdate\":\"2020-10-12\",\"expuseyears\":\"5\",\"expuseperiod\":\"60\",\"depperiod\":\"0\",\"addupdep\":\"0\",\"neatleftrate\":\"0\",\"expneatleftvalue\":\"3600.0\",\"neatvalue\":\"12000.0\",\"addupdepthisyear\":\"0\",\"decprepare\":\"0\",\"neatamount\":\"12000.0\",\"deprmethodnum\":\"0\",\"measureunitwlnum\":\"\",\"accountassetsnum\":\"04\",\"accountaccudeprnum\":\"04\",\"accountdecvaluenum\":\"04\",\"initevalvalue\":\"0\",\"evalperiodleft\":\"0\",\"accudeprall\":\"0\",\"hasdisabled\":\"0\",\"addonfare\":\"0\",\"monthrate\":\"0\",\"wrtyperiod\":\"\",\"wrtynumber\":\"\",\"groupnumber\":\"\",\"barcode\":\"JD04202010120000176\",\"usedepartmentnum\":\"JD.001\",\"usepersonnum\":\"\",\"usage\":\"\",\"asstacttypenum\":\"CBZX\",\"asstactitemnum\":\"Y0101\",\"accountnum\":\"6602.05\",\"apportionscale\":\"100\"},{\"companynum\":\"D01\",\"facatnum\":\"04\",\"number\":\"JD04202010120000177\",\"oldnumber\":\"\",\"assetname\":\"服务器\",\"assetamount\":\"1\",\"measureunitnum\":\"件\",\"recorddate\":\"2020-10-12\",\"fiaccountdate\":\"2020-10-12\",\"originnum\":\"00101\",\"fausestatusnum\":\"101\",\"economypurposenum\":\"001\",\"storecitynum\":\"001\",\"specs\":\" \",\"parea\":\"\",\"manufacturer\":\"\",\"leavefactorydate\":\"\",\"paperno\":\"\",\"fromunit\":\"-1\",\"deptnum\":\"JD.001\",\"keepernum\":\"EP17019484\",\"remark\":\"\",\"currencynum\":\"BB01\",\"exchangerate\":\"1\",\"originalamount\":\"12000.0\",\"additiveamount\":\"0\",\"localamount\":\"12000.0\",\"inputtax\":\"0\",\"fairvalue\":\"0\",\"buyoriginalvalue\":\"0\",\"buyaddupdep\":\"0\",\"treatmentincome\":\"0\",\"deliverdate\":\"\",\"startdate\":\"2020-10-12\",\"expuseyears\":\"5\",\"expuseperiod\":\"60\",\"depperiod\":\"0\",\"addupdep\":\"0\",\"neatleftrate\":\"0\",\"expneatleftvalue\":\"3600.0\",\"neatvalue\":\"12000.0\",\"addupdepthisyear\":\"0\",\"decprepare\":\"0\",\"neatamount\":\"12000.0\",\"deprmethodnum\":\"0\",\"measureunitwlnum\":\"\",\"accountassetsnum\":\"04\",\"accountaccudeprnum\":\"04\",\"accountdecvaluenum\":\"04\",\"initevalvalue\":\"0\",\"evalperiodleft\":\"0\",\"accudeprall\":\"0\",\"hasdisabled\":\"0\",\"addonfare\":\"0\",\"monthrate\":\"0\",\"wrtyperiod\":\"\",\"wrtynumber\":\"\",\"groupnumber\":\"\",\"barcode\":\"JD04202010120000177\",\"usedepartmentnum\":\"JD.001\",\"usepersonnum\":\"\",\"usage\":\"\",\"asstacttypenum\":\"CBZX\",\"asstactitemnum\":\"Y0101\",\"accountnum\":\"6602.05\",\"apportionscale\":\"100\"},{\"companynum\":\"D01\",\"facatnum\":\"04\",\"number\":\"JD04202010120000178\",\"oldnumber\":\"\",\"assetname\":\"服务器\",\"assetamount\":\"1\",\"measureunitnum\":\"件\",\"recorddate\":\"2020-10-12\",\"fiaccountdate\":\"2020-10-12\",\"originnum\":\"00101\",\"fausestatusnum\":\"101\",\"economypurposenum\":\"001\",\"storecitynum\":\"001\",\"specs\":\" \",\"parea\":\"\",\"manufacturer\":\"\",\"leavefactorydate\":\"\",\"paperno\":\"\",\"fromunit\":\"-1\",\"deptnum\":\"JD.001\",\"keepernum\":\"EP17019484\",\"remark\":\"\",\"currencynum\":\"BB01\",\"exchangerate\":\"1\",\"originalamount\":\"12000.0\",\"additiveamount\":\"0\",\"localamount\":\"12000.0\",\"inputtax\":\"0\",\"fairvalue\":\"0\",\"buyoriginalvalue\":\"0\",\"buyaddupdep\":\"0\",\"treatmentincome\":\"0\",\"deliverdate\":\"\",\"startdate\":\"2020-10-12\",\"expuseyears\":\"5\",\"expuseperiod\":\"60\",\"depperiod\":\"0\",\"addupdep\":\"0\",\"neatleftrate\":\"0\",\"expneatleftvalue\":\"3600.0\",\"neatvalue\":\"12000.0\",\"addupdepthisyear\":\"0\",\"decprepare\":\"0\",\"neatamount\":\"12000.0\",\"deprmethodnum\":\"0\",\"measureunitwlnum\":\"\",\"accountassetsnum\":\"04\",\"accountaccudeprnum\":\"04\",\"accountdecvaluenum\":\"04\",\"initevalvalue\":\"0\",\"evalperiodleft\":\"0\",\"accudeprall\":\"0\",\"hasdisabled\":\"0\",\"addonfare\":\"0\",\"monthrate\":\"0\",\"wrtyperiod\":\"\",\"wrtynumber\":\"\",\"groupnumber\":\"\",\"barcode\":\"JD04202010120000178\",\"usedepartmentnum\":\"JD.001\",\"usepersonnum\":\"\",\"usage\":\"\",\"asstacttypenum\":\"CBZX\",\"asstactitemnum\":\"Y0101\",\"accountnum\":\"6602.05\",\"apportionscale\":\"100\"},{\"companynum\":\"D01\",\"facatnum\":\"04\",\"number\":\"JD04202010120000179\",\"oldnumber\":\"\",\"assetname\":\"服务器\",\"assetamount\":\"1\",\"measureunitnum\":\"件\",\"recorddate\":\"2020-10-12\",\"fiaccountdate\":\"2020-10-12\",\"originnum\":\"00101\",\"fausestatusnum\":\"101\",\"economypurposenum\":\"001\",\"storecitynum\":\"001\",\"specs\":\" \",\"parea\":\"\",\"manufacturer\":\"\",\"leavefactorydate\":\"\",\"paperno\":\"\",\"fromunit\":\"-1\",\"deptnum\":\"JD.001\",\"keepernum\":\"EP17019484\",\"remark\":\"\",\"currencynum\":\"BB01\",\"exchangerate\":\"1\",\"originalamount\":\"12000.0\",\"additiveamount\":\"0\",\"localamount\":\"12000.0\",\"inputtax\":\"0\",\"fairvalue\":\"0\",\"buyoriginalvalue\":\"0\",\"buyaddupdep\":\"0\",\"treatmentincome\":\"0\",\"deliverdate\":\"\",\"startdate\":\"2020-10-12\",\"expuseyears\":\"5\",\"expuseperiod\":\"60\",\"depperiod\":\"0\",\"addupdep\":\"0\",\"neatleftrate\":\"0\",\"expneatleftvalue\":\"3600.0\",\"neatvalue\":\"12000.0\",\"addupdepthisyear\":\"0\",\"decprepare\":\"0\",\"neatamount\":\"12000.0\",\"deprmethodnum\":\"0\",\"measureunitwlnum\":\"\",\"accountassetsnum\":\"04\",\"accountaccudeprnum\":\"04\",\"accountdecvaluenum\":\"04\",\"initevalvalue\":\"0\",\"evalperiodleft\":\"0\",\"accudeprall\":\"0\",\"hasdisabled\":\"0\",\"addonfare\":\"0\",\"monthrate\":\"0\",\"wrtyperiod\":\"\",\"wrtynumber\":\"\",\"groupnumber\":\"\",\"barcode\":\"JD04202010120000179\",\"usedepartmentnum\":\"JD.001\",\"usepersonnum\":\"\",\"usage\":\"\",\"asstacttypenum\":\"CBZX\",\"asstactitemnum\":\"Y0101\",\"accountnum\":\"6602.05\",\"apportionscale\":\"100\"}]}</jsonStr>\n" +
                "      </web:impFaCard>\n" +
                "   </soapenv:Body>\n" +
                "</soapenv:Envelope>";
       try{
           String response = SoapUtil.soapPost(url,p);
           cn.hutool.json.JSONObject data = XML.toJSONObject(response);
           //从data中解析rescode和resmsg，其中"rescode"为0时代表成功，其他均为失败。
           String resMsg = data.getJSONObject("soapenv:Envelope").getJSONObject("soapenv:Body").getJSONObject("ns1:impFaCardResponse").getJSONObject("impFaCardReturn").getStr("content");
           JSONObject jsonObject = JSONObject.fromObject(resMsg);
           String bizcode = jsonObject.getString("bizcode");
           String bizdate = jsonObject.getString("bizdate");
           String rescode = jsonObject.getString("rescode");
           String resmsg = jsonObject.getString("resmsg");
           System.out.println(resmsg);
       }catch (Exception e){
           e.printStackTrace();
       }
    } 
}

以上为个人经验，希望能给大家一个参考，也希望大家多多支持脚本之家。

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