lc/lc123/cloud/app/plugin/utils/FWRestfulUtils.java

package tqq9.lc123.cloud.app.plugin.utils;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import okhttp3.*;
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.entity.ContentType;
import org.apache.http.entity.StringEntity;
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 java.io.IOException;
import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.sql.Timestamp;
import java.util.*;

public class FWRestfulUtils {

    /**
     *restful接口调用案例
     *以getModeDataPageList为例
     */
    public String doAction(String url, JSONObject mainTable, String fwuserid){
        String thirdConfigByNumber = ConfigUtils.getThirdConfigByNumber("FW_Main_URL");//获取泛微接口ip、端口号
        String systemid = ConfigUtils.getThirdConfigByNumber("FW_systemid");//获取泛微接口授权用户名、系统标识
        String d_password = ConfigUtils.getThirdConfigByNumber("FW_password");//获取泛微接口授权密码

        CloseableHttpResponse response;// 响应类,
        CloseableHttpClient httpClient = HttpClients.createDefault();

        //restful接口url
        HttpPost httpPost = new HttpPost(thirdConfigByNumber + url);

        //当前日期
        String currentDate = getCurrentDate();
        //当前时间
        String currentTime = getCurrentTime();
        //获取时间戳
        String currentTimeTamp = getTimestamp();

        Map<String, Object> params = new HashMap<>();
        Map<String, Object> dataParam = new HashMap<>();
        Map<String, Object> datajson = new HashMap<>();

        //header
        Map<String, Object> header = new HashMap<>();
        header.put("systemid", systemid);
        header.put("currentDateTime", currentTimeTamp);
        String md5Source = systemid + d_password + currentTimeTamp;
        String md5OfStr = getMD5Str(md5Source).toLowerCase();
        //Md5是：系统标识+密码+时间戳 并且md5加密的结果
        header.put("Md5",md5OfStr);

        //封装pageinfo
//        JSONObject pageInfo = new JSONObject();
//        pageInfo.put("pageNo", 1);
//        pageInfo.put("pageSize", 10);
//        dataParam.put("pageInfo",pageInfo);

        //封装mainTable参数
        dataParam.put("mainTable",mainTable);

        //封装operationinfo参数
        JSONObject operationinfo = new JSONObject();
        operationinfo.put("operator", fwuserid);
        dataParam.put("operationinfo",operationinfo);

        System.out.println("===请求参数dataparam==="+dataParam);
        params.put("data",dataParam);
        Map<String, Object>[] arr = new Map[1];
        arr[0] = dataParam;

        datajson.put("header", header);
        datajson.put("data", arr);

        //装填参数
        List<BasicNameValuePair> list = new ArrayList<>();
        list.add(new BasicNameValuePair("datajson", JSON.toJSONString(datajson)));

        try{
            httpPost.addHeader("Content-Type","application/x-www-form-urlencoded; charset=utf-8");
            httpPost.setEntity(new UrlEncodedFormEntity(list, "UTF-8"));
            response = httpClient.execute(httpPost);
            if (response != null && response.getEntity() != null) {
                //返回信息
                String resulString = EntityUtils.toString(response.getEntity());
                System.out.println("成功"+ resulString);
                return resulString;
            }else{
                System.out.println("获取数据失败，请查看日志"+currentDate+" "+currentTime);
            }
        }catch (Exception e){
            System.out.println("请求失败"+currentDate+" "+currentTime+"====errormsg:"+e.getMessage());
        }
        return null;

    }

    public String getMD5Str(String plainText){
        //定义一个字节数组
        byte[] secretBytes = null;
        try {
            // 生成一个MD5加密计算摘要
            MessageDigest md = MessageDigest.getInstance("MD5");
            //对字符串进行加密
            md.update(plainText.getBytes());
            //获得加密后的数据
            secretBytes = md.digest();
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException("没有md5这个算法！");
//            throw new RuntimeException(SystemEnv.getHtmlLabelName(517545,userLanguage));
        }
        //将加密后的数据转换为16进制数字
        String md5code = new BigInteger(1, secretBytes).toString(16);
        // 如果生成数字未满32位，需要前面补0
        // 不能把变量放到循环条件，值改变之后会导致条件变化。如果生成30位 只能生成31位md5
        int tempIndex = 32 - md5code.length();
        for (int i = 0; i < tempIndex; i++) {
            md5code = "0" + md5code;
        }
        return md5code;
    }

    public static String getCurrentTime() {
        Date newdate = new Date();
        long datetime = newdate.getTime();
        Timestamp timestamp = new Timestamp(datetime);
        String currenttime = (timestamp.toString()).substring(11, 13) + ":" + (timestamp.toString()).substring(14, 16) + ":"
                + (timestamp.toString()).substring(17, 19);
        return currenttime;
    }

    public static String getCurrentDate() {
        Date newdate = new Date();
        long datetime = newdate.getTime();
        Timestamp timestamp = new Timestamp(datetime);
        String currentdate = (timestamp.toString()).substring(0, 4) + "-" + (timestamp.toString()).substring(5, 7) + "-"
                + (timestamp.toString()).substring(8, 10);
        return currentdate;
    }

    /**
     * 获取当前日期时间。 YYYY-MM-DD HH:MM:SS
     * @return		当前日期时间
     */
    public static String getCurDateTime() {
        Date newdate = new Date();
        long datetime = newdate.getTime();
        Timestamp timestamp = new Timestamp(datetime);
        return (timestamp.toString()).substring(0, 19);
    }

    /**
     * 获取时间戳   格式如：19990101235959
     * @return
     */
    public static String getTimestamp(){
        return getCurDateTime().replace("-", "").replace(":", "").replace(" ", "");
    }

    public static int getIntValue(String v, int def) {
        try {
            return Integer.parseInt(v);
        } catch (Exception ex) {
            return def;
        }
    }


    public static String null2String(Object s) {
        return s == null ? "" : s.toString();

    }
}