合并两个JsonArray

//合并两个JSONArray
    public static String joinJSONArray(JSONArray mData, JSONArray array) {
        StringBuffer buffer = new StringBuffer();
        buffer.append("[");
        try {
            int len = mData.size();
            for (int i = 0; i < len; i++) {
                JSONObject obj1 = (JSONObject) mData.get(i);
                if (i == len - 1){
                    buffer.append(obj1.toString());
                }else{
                    buffer.append(obj1.toString()).append(",");
                }
            }
            len = array.size();
            if (len > 0){
                buffer.append(",");
            }
            for (int i = 0; i < len; i++) {
                JSONObject obj1 = (JSONObject) array.get(i);
                if (i == len - 1){
                    buffer.append(obj1.toString());
                }else{
                    buffer.append(obj1.toString()).append(",");
                }
            }

        } catch (Exception e) {
            e.printStackTrace();
            logger.error("合并jsonarray异常",e);
        }
        buffer.append("]");
        return buffer.toString();
    }