java接口对接——调用别人接口推送数据

实际开发中经常会遇到要和其他平台或系统对接的情况，实际操作就是互相调用别人的接口获取或者推送数据，

当我们调用别人接口推送数据时，需要对方给一个接口地址以及接口的规范文档，规范中要包括接口的明确入参及其格式，和接口返回状态的几种情况，

调用的后台acion层业务管理层代码：

/**
     * 调用XXX市接口推送银行开户信息
     * ywguid 即为 projectguid
     * @exception/throws [违例类型] [违例说明]
     * @see [类、类#方法、类#成员]
     */
    public void pushToSZOpenAcountApplyinfo(String projectguid) {
        try {
            YzyhEntityServiceImpl yzyhEntityServiceImpl = new YzyhEntityServiceImpl();
            System.out.println("===================引入银行印章流程得实体service" + yzyhEntityServiceImpl);
            YzyhEntity yzyhEntity = yzyhEntityServiceImpl.getYzyhEntityByProjectguid(projectguid);
            //时间格式化
            SimpleDateFormat sdf2 = new SimpleDateFormat("yyyy-MM-dd 00:00:00");
            if (yzyhEntity != null) {
                RestfulService restfulservice = new RestfulService();
                JSONObject jobparasjson = new JSONObject();
                JSONObject jobjparas = new JSONObject();
                jobparasjson.put("token", "xxx_WebSerivce_**##0601");
                //业务标识
                jobjparas.put("ywguid", projectguid);
                //存款人名称
                jobjparas.put("acctna", StringUtil.isBlank(yzyhEntity.getAcctna()) ? "" : yzyhEntity.getAcctna());
                //证明文件种类
                if (StringUtil.isNotBlank(yzyhEntity.getIdtftp())) {
                    jobjparas.put("idtftp", yzyhEntity.getIdtftp());
                } else {
                    jobjparas.put("idtftp", "M");
                }
                String areacode = "";
                //证明文件编号
                jobjparas.put("idtfno", StringUtil.isBlank(yzyhEntity.getIdtfno()) ? "" : yzyhEntity.getIdtfno());
                //证明文件有效期
                jobjparas.put("matudt", StringUtil.isBlank(yzyhEntity.getMatudt()) ? "2099-12-30 00:00:00"
                        : sdf2.format(yzyhEntity.getMatudt()));
                //地址
                //                String address = yzyhEntity.get("Ctrl66") + "省（市/区）";
                //                address += yzyhEntity.get("Ctrl67") + "市（区/盟/州）";
                //                address += yzyhEntity.get("Ctrl68") + "县";
                //                address += yzyhEntity.get("Ctrl69") + "乡（镇/街道）";
                //                address += yzyhEntity.get("Ctrl70") + "村（路）";
                //                address += yzyhEntity.get("Ctrl71") + "号";
                //id有效期
                jobjparas.put("lwiddt", StringUtil.isBlank(yzyhEntity.getLwiddt()) ? "2099-12-30 00:00:00"
                        : sdf2.format(yzyhEntity.getLwiddt()));
                //证件编号
                jobjparas.put("lwidno", yzyhEntity.getLwidno());
                //基本账户开户许可核准号
                jobjparas.put("dtittp", "ACO1");
                //代理人证件有效期
                jobjparas.put("pxmudt", StringUtil.isBlank(yzyhEntity.getPxmudt()) ? "2099-12-30 00:00:00"
                        : sdf2.format(yzyhEntity.getPxmudt()));
                //业务代码
                jobjparas.put("qxcode", yzyhEntity.getQxcode());
                jobparasjson.put("params", jobjparas);
                System.out.println("开户申请参数：" + jobparasjson);
                //调用市政上报接口
                String result = restfulservice.getTaskinfo(jobparasjson.toString());
                System.out.println("===============开户申请信息返回值：" + result);
                if (StringUtil.isBlank(result)) {
                    System.out.println("=============开户申请信息推送失败=====================");
                }
                JSONObject jsonresult = (JSONObject) JSONObject.parse(result);
                String custom = jsonresult.getString("custom");
                JSONObject jsoncustom = (JSONObject) JSONObject.parse(custom);
                String code = jsoncustom.getString("code");
                if ("1".equals(code)) {
                    System.out.println("==============开户申请返回结果：" + jsoncustom.getString("text"));
                } else {
                    System.out.println("==============开户申请返回结果：" + jsoncustom.getString("text"));
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            System.out.print(e.toString());
        }
    }

所调用的所调用的restful接口，包含http模拟请求代码的service层业务逻辑实施层代码：

package com.xxx.xxxxx.yzyhentity.action;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.RequestEntity;
import org.apache.commons.httpclient.methods.StringRequestEntity;

import com.xxx.basic.bizlogic.sysconf.systemparameters.service.FrameConfigService9;
/**
 * 接口请求
 *  [一句话功能简述]
 *  [功能详细描述]
 * @see [相关类/方法]
 * @since [产品/模块版本]
 */
public class RestfulService
{

    private static String SZRESTFULURL;

    private static String pushSZzwzxOpenAcountApplyinfo = "szbank/pushSZzwzxOpenAcountApplyinfo";//开户申请推送市政务服务中心商业银行 

    static {
        SZRESTFULURL = new FrameConfigService9().getFrameConfigValue("苏州市restful接口地址");
    }

    /**
     *  开户申请推送市政务服务中心商业银行
     *  [一句话功能简述]
     *  [功能详细描述]
     *  @param param ，为调用别人接口的入参
     *  @return
     * @exception/throws [违例类型] [违例说明]
     * @see [类、类#方法、类#成员]
     */
    public String getTaskinfo(String param) {
        String url = SZRESTFULURL + pushSZzwzxOpenAcountApplyinfo;
        System.out.println("=============开户申请信息推送地址："+url);
        return sendPost(url, param);
    }

    /**
     * http模拟请求
     */
    public String sendPost(String url, String param) {
        try {
            String result = null;
            String loginresturl = url;
            HttpClient httpClient = new HttpClient();
            PostMethod post = new PostMethod(loginresturl);
            HttpMethod method = post;
            System.out.println("=============开户申请信息推送地址："+url);
            if (param != null) {
                RequestEntity se = new StringRequestEntity(param, "application/json", "UTF-8");
                post.setRequestEntity(se);
            }
            try {
                httpClient.executeMethod(method);
                String restresponse = method.getResponseBodyAsString();
                System.out.println("===================restresponse:" + restresponse);
                result=restresponse;
            } catch (Exception e) {
                e.printStackTrace();

            } finally {
                post.releaseConnection();

            }
            return result;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

}