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70 lines
1.8 KiB
Plaintext
70 lines
1.8 KiB
Plaintext
9 months ago
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Collections;
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namespace BP.En
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{
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/// <summary>
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/// 缓存SQL
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/// </summary>
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public class SQLCache
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{
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public string EnName = null;
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public string Insert = null;
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public string Update = null;
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public string Delete = null;
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public string Select = null;
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public SQLCache()
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{
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}
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public SQLCache(Entity en)
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{
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this.EnName = en.ToString();
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this.Insert = SqlBuilder.InsertForPara(en);
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this.Update = SqlBuilder.UpdateForPara(en, null);
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this.Delete = SqlBuilder.DeleteForPara(en);
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this.Select = SqlBuilder.RetrieveForPara(en);
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}
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/// <summary>
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/// 获取指定的key, 返回更新的语句。
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/// </summary>
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/// <param name="keys"></param>
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/// <returns></returns>
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public string GetUpdateSQL(Entity en, string[] keys)
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{
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if (keys == null)
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return this.Update;
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string mykey = "";
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foreach (string k in keys)
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mykey += k;
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string sql = this.UpdateSQLs[mykey] as string;
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if (sql == null)
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UpdateSQLs[mykey] = SqlBuilder.UpdateForPara(en, keys);
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sql = UpdateSQLs[mykey] as string;
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if (sql == null)
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throw new Exception("@error");
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return sql;
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}
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#region UpdateSQLs
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private Hashtable _UpdateSQLs;
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public Hashtable UpdateSQLs
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{
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get
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{
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if (_UpdateSQLs == null)
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_UpdateSQLs = new Hashtable();
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return _UpdateSQLs;
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}
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}
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#endregion
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}
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}
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