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综合教程

根据车籍地(车牌号码前2位)获取地区代码(城市)

發布時間：2023/12/19 综合教程 20 生活家

生活随笔收集整理的這篇文章主要介紹了根据车籍地(车牌号码前2位)获取地区代码(城市) 小編覺得挺不錯的,現在分享給大家,幫大家做個參考.

json文件CityInfo.json 內容如下

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對象如下(對象的屬性名需要和json中的對象名一致)：

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

namespace Model
{
    public class CityInfo
    {
        /// <summary>
        /// 車牌前兩位
        /// </summary>
        public string Hp { get; set; }
        /// <summary>
        /// 城市
        /// </summary>
        public string City { get; set; }
        /// <summary>
        /// 省份
        /// </summary>
        public string Province { get; set; }
        /// <summary>
        /// 拼音縮寫
        /// </summary>
        public string Pcode { get; set; }
        /// <summary>
        /// 地區代碼
        /// </summary>
        public string AreaCode { get; set; }
    }
}

獲取方法：

　　　　  /// <summary>
        /// 根據號牌獲取車籍地所在的地區代碼
        /// </summary>
        /// <param name="Num">號牌號碼</param>
        /// <returns></returns>
        public string GetAreaCodeByNum(string Num)
        {
            string hp = Num.Substring(0, 2);//號牌前2位，例如陜A
            string areaCode = "";//區域代碼
            using (StreamReader file = File.OpenText("CityInfo.json"))
            {
                using (JsonTextReader reader = new JsonTextReader(file))
                {
                    JObject jsonobject = (JObject)JToken.ReadFrom(reader);
                    string jCodeInfoList = jsonobject["CodeInfo"].ToString();
                    var cityList = Newtonsoft.Json.Linq.JArray.Parse(jCodeInfoList);
                    List<CityInfo> codeInfoList = cityList.ToObject<List<CityInfo>>();
                    foreach (var codeInfo in codeInfoList)
                    {
                        if (hp.Contains(codeInfo.Hp))
                        {
                            areaCode = codeInfo.AreaCode;
                            break;
                        }
                    }
                    return areaCode;
                }
            }
        }

總結

以上是生活随笔為你收集整理的根据车籍地(车牌号码前2位)获取地区代码(城市)的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。

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