BookShop/Common/BookUtils.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using BookShop.Model;
using CTL.Common;

namespace BookShop
{
    public class BookUtils
    {
        /// <summary>
        /// 获取自动书籍编号
        /// </summary>
        /// <returns></returns>
        public static string GetBookNo()
        {
            return DateTime.Now.ToString("yyyyMMdd") + Utils.GetRandomString(1, 2, "0123456789");
        }


        /// <summary>
        /// 取得关键字分词结果
        /// </summary>
        /// <param name="keyword"></param>
        /// <returns></returns>
        public static List<string> GetWordSegmentation(string keyword)
        {
            List<string> words = new List<string>();
            Rainsoft.WordSegment.SegmentV3 tv = new Rainsoft.WordSegment.SegmentV3();
            string[] wordsBySeg = tv.Segment(keyword.Replace("书", ""));

            foreach (string word in wordsBySeg)
            {
                if (!words.Contains(word))
                {
                    words.Add(word);
                }
            }

            if (keyword.Contains("书"))
            {
                words.Add("书");
            }

            if (words.Count <= 0)
            {
                words.Add(keyword);
            }

            return words;

        }

        /// <summary>
        /// 更新图书用于搜索字段
        /// </summary>
        /// <param name="bookId"></param>
        /// <returns></returns>