枚举数组转换字符串

数据库中存放的为枚举数组，例"1,2,3,4"，对应的字符串为"内部员工,内部司机,租赁司机,临时代驾"

 1 public class EnumToString
 2     {
 3         /// <summary>
 4         /// 枚举转换字符串
 5         /// </summary>
 6         /// <typeparam name="T">泛型</typeparam>
 7         /// <param name="obj">集合对象</param>
 8         /// <param name="t">对象类型</param>
 9         /// <param name="dic">数组字典</param>
10         /// <param name="st">数组字典名称</param>
11         /// <returns></returns>
12         public static IList<T> Temp<T>(IList<T> obj, Type t, EnumDicHelper dic, string[] st)
13         {
14             //获取筛选后的成员,NonPublic:非公共成员加入搜索中，Public:公共成员加入搜索中，Instance:指定实例加入搜索中，DeclaredOnly:继承成员不加入搜索中
15             PropertyInfo[] finfos = t.GetProperties(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly);
16             //循环传入的数组长度
17             for (int i = 0; i < obj.Count; i++)
18             {
19                 //循环传入的字典长度
20                 for (int j = 0; j < st.Length; j++)
21                 {
22                     //循环遍历成员对象
23                     foreach (PropertyInfo finfo in finfos)
24                     {
25                         //成员对象 等于 数组字典名称
26                         if (finfo.Name == st[j])
27                         {
28                             string[] temp = { };
29                             //为该名称的对象成员值不为null
30                             if (finfo.GetValue(obj[i]) != null)
31                             {
32                                 //将该对象成员的值用以','分割 存入数组
33                                 temp = finfo.GetValue(obj[i]).ToString().Split(',');
34                             }
35                             string b = "";
36                             //循环 分割后的对象成员数组长度
37                             for (int k = 0; k < temp.Length; k++)
38                             {
39                                 //如果字典对象包括该枚举值
40                                 if (dic.Dic[st[j]].ContainsKey(temp[k]))
41                                 {
42                                     //将枚举值对应的字典值读取并用','分割 加入 字符串中
43                                     b += dic.Dic[st[j]][temp[k]] + ',';
44                                 }
45                             }
46                             //去除第一个字节为','的字符串
47                             if (b.IndexOf(',') > -1)
48                             {
49                                 b = b.Remove(b.LastIndexOf(','), 1);
50                             }
51                             finfo.SetValue(obj[i], b);
52                         }
53                     }
54                 }
55             }
56             return obj;
57         }
58     }
59 
60     public class EnumDicHelper
61     {
62         public IDictionary<string, Dictionary<string, string>> Dic { get; set; } = new Dictionary<string, Dictionary<string, string>>()
63         {
64                 { "RentObject",new Dictionary<string, string>//适用对象
65                                   {
66                                       { "1","内部使用"},{ "2","员工自用"},{ "3","客户职员"},{ "4","网约车登记"},{ "5","平台用户"}
67                                   }
68                 },
69                 { "AllowDrive",new Dictionary<string, string>//允许驾驶
70                                   {
71                                      { "1","内部员工"}, { "2","内部司机"}, { "3","租赁司机"}, { "4","临时代驾"}
72                                   }
73                 },
74                 { "DrivingWays",new Dictionary<string, string>//准驾方式
75                                   {
76                                      { "1","自驾"}, { "2","陪驾"}, { "3","代驾"}
77                                   }
78                 },
79                 {"DrivingVehicle",new Dictionary<string, string>//准驾车辆
80                                   {
81                                      { "1","公司车辆"}, { "2","长租车辆"}, { "3","短租车辆"},{ "4","班车车辆"},{ "5","其他车辆"}
82                                   }
83                 },
84         };
85 
86         public EnumDicHelper()
87         {
88 
89         }
90 
91         public EnumDicHelper(IDictionary<string, Dictionary<string, string>> dic)
92         {
93             Dic = dic;
94         }
95     }

调用例子:

var items = EnumToString.Temp(对象数组, typeof(Modal), new EnumDicHelper(), new string[] { "枚举对象", "AllowDrive", "DrivingWays", "DrivingVehicle" });