StringUtils操作

1. 组织编码操作

/**
     * 按长度拆分
     *
     * @param str
     * @param length
     * @return
     */
    public static String[] split(String str, int length) {
        int count = (int) Math.ceil((double) str.length() / length); // 计算分割后的子串个数
        String[] subStrs = new String[count];
        for (int i = 0; i < count; i++) {
            if (i == count - 1) {
                subStrs[i] = str.substring(i * length);
            } else {
                subStrs[i] = str.substring(i * length, (i + 1) * length);
            }
        }
        return subStrs;
    }
	
	    /**
     * 按长度拆分OrgCode
     *
     * @param str
     * @param length
     * @return
     */
    public static String[] splitOrgCode(String str, int length) {
        if(StringUtils.isEmpty(str)){
            return new String[1];
        }
        if(str.length()<length){
            return new String[1];
        }
        int count = (int) Math.ceil((double) str.length() / length); // 计算分割后的子串个数
        String[] subStrs = new String[count-1];
        for (int i = 0; i < count; i++) {
            String valStr = str.substring(0,str.length()-3*(i+1));
            if(StringUtils.isEmpty(valStr)){
                break;
            }
            subStrs[i] = valStr;
        }
        return subStrs;
    }
	
    /**
     * 获取子节点所有
     * @param rootOrgCode 根节点code
     * @param childOrgCode 子节点code
     * @return
     */
    private static List<String> getOrgTreePath(String rootOrgCode,String childOrgCode) {
        int num = (childOrgCode.length() - rootOrgCode.length())/3;
        List<String> orgCodes = new ArrayList<>();
        for (int i = 0; i < num; i++) {
            orgCodes.add(childOrgCode.substring(0,(i+1)*3));
        }
        return orgCodes;
    }
    /**
     * 拼接 url
     *
     * @param url
     * @param urlParams
     * @return
     */
    public static String builderUrl(String url, Map<String, Object> urlParams) {
        StringBuilder urlBuilder = new StringBuilder(url);
        if (!urlParams.isEmpty()) {
            urlBuilder.append("?");
            int index = 0;
            for (Map.Entry entry : urlParams.entrySet()) {
                index++;
                urlBuilder.append(entry.getKey()).append("=").append(entry.getValue());
                if (index <= urlParams.size() - 1) {
                    urlBuilder.append("&");
                }

            }
        }
        return urlBuilder.toString();
    }
    /**
     * @param channelCode 1000004$1$0$0
     * @return str[0] 设备编码 str[1] 单元类型 str[2] 单元序号（默认0） str[3] 通道序号
     */
    public static String[] splitChannelCode(String channelCode) {
        return channelCode.split("\\$");
    }
    private static final String SEPERATOR = "$";
    public static String toChannelIdWithoutUnitType(String deviceCode, Integer unitSeq, Integer channelSeq) {
        return deviceCode + SEPERATOR + unitSeq + SEPERATOR + channelSeq;
    }

    /**
     * getSortedString 对参数按照Key进行ASCII排序
     * @param jsonObject 请求参数
     * @return 排序拼装后的字符串
     */
    public static String getSortedString(JSONObject jsonObject) {
        SortedMap<String, Object> sortMap = new TreeMap<>();
        StringBuilder sbf = new StringBuilder();
        for (Map.Entry<String, Object> objectEntry : jsonObject.entrySet()) {
            String key = objectEntry.getKey();
            Object value = objectEntry.getValue();
            if(StringUtils.isEmpty(key) || ObjectUtil.isNull(value)){
                continue;
            }
            if ("sign".equals(key)) {
                continue;
            }

            sortMap.put(key, value);
        }
        Set<Map.Entry<String, Object>> mapEntrySet = sortMap.entrySet();
        for (Map.Entry entry : mapEntrySet) {
            String k = (String) entry.getKey();
            Object v = entry.getValue();
            sbf.append(k).append("=").append(v).append("&");
        }
        String sbfString = sbf.toString();
//        System.out.println("排序后的字符串：" + sbfString.substring(0, sbfString.length() - 1));
        return sbfString.substring(0, sbfString.length() - 1);
    }

2.其他操作