RsRequestUtils.java
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package com.genersoft.iot.vmp.vmanager.util;
import cn.hutool.http.HttpUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.security.MessageDigest;
import java.util.*;
/**
* RS 接口调用工具类
* Created by panzhao on 2017/8/2.
*/
public class RsRequestUtils {
private static String password;
static {
password = "f8267b7bc5e51994bab57c8e8884f203609d1dc3";
}
static Logger logger = LoggerFactory.getLogger(RsRequestUtils.class);
/**
* 生成参数字符串
*
* @return
*/
public static String getParams() {
String rs = "";
try {
String nonce = getNonce(6);
long t = System.currentTimeMillis();
Map<String, String> map = new HashMap<>();
map.put("password", password);
map.put("timestamp", t + "");
map.put("nonce", nonce);
String sign = getSHA1(map);
rs = "?password=" + password + "×tamp=" + t + "&nonce=" + nonce + "&sign=" + sign;
} catch (Exception e) {
logger.error("", e);
}
return rs;
}
/**
* 生成参数字符串
*
* @return
*/
public static String getParams(Map<String, String> paramMap) {
StringBuilder rs = new StringBuilder("?");
try {
String nonce = getNonce(6);
long t = System.currentTimeMillis();
paramMap.put("password", password);
paramMap.put("timestamp", t + "");
paramMap.put("nonce", nonce);
String sign = getSHA1(paramMap);
paramMap.put("sign", sign);
Set<String> ks = paramMap.keySet();
for (String k : ks) {
rs.append(k + "=" + paramMap.get(k) + "&");
}
rs.deleteCharAt(rs.length() - 1);
} catch (Exception e) {
logger.error("", e);
}
return rs.toString();
}
/**
* 生成随机字符串
*
* @return
*/
public static String getNonce(int length) {
String base = "abcdefghijklmnopqrstuvwxyz0123456789";
Random random = new Random();
StringBuffer sb = new StringBuffer();
for (int i = 0; i < length; i++) {
int number = random.nextInt(base.length());
sb.append(base.charAt(number));
}
return sb.toString();
}
private static String getSHA1(Map<String, String> map) throws Exception {
try {
String[] array = new String[map.size()];
map.values().toArray(array);
StringBuffer sb = new StringBuffer();
// 字符串排序
Arrays.sort(array);
for (int i = 0; i < array.length; i++) {
sb.append(array[i]);
}
String str = sb.toString();
// SHA1签名生成
MessageDigest md = MessageDigest.getInstance("SHA-1");
md.update(str.getBytes());
byte[] digest = md.digest();
StringBuffer hexStr = new StringBuffer();
String shaHex;
for (int i = 0; i < digest.length; i++) {
shaHex = Integer.toHexString(digest[i] & 0xFF);
if (shaHex.length() < 2) {
hexStr.append(0);
}
hexStr.append(shaHex);
}
return hexStr.toString();
} catch (Exception e) {
throw e;
}
}
public static void main(String[] args) {
// StringBuilder rs = null;
// try {
// rs = HttpClientUtils.get("http://106.14.30.180:9089/webservice/rest/schedule_real/execs?password=e126853c7f6f43b4857fa8dfe3b28b5d90be9e68×tamp=1587101390953&nonce=z5uefd&sign=cbdc60ec931cdf8f4b45104ddd6809a16f82e76f");
// } catch (Exception e) {
// e.printStackTrace();
// }
String lineInfoUrl = "http://58.34.47.74:9089/webservice/rest/line/company/55" + RsRequestUtils.getParams();
String lineInfoJson = HttpUtil.get(lineInfoUrl);
System.out.println(lineInfoUrl);
// System.out.println(rs.toString());
// List<ScheduleRealInfo> list = JSONArray.parseArray(rs.toString(), ScheduleRealInfo.class);
// System.out.println(list.size());
}
}