問題：

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在打印模板中獲取子表內(nèi)容，可從數(shù)據(jù)庫中取數(shù)據(jù)，而當(dāng)前項目數(shù)據(jù)庫里面數(shù)據(jù)按年度錄入，但是只需要顯示近3年的數(shù)據(jù)，插件如何實現(xiàn)排序取數(shù)據(jù)？

解決方法：

1、先直接寫一個SQL語句，把近3年排序后的數(shù)據(jù)讀取出來

2、在調(diào)用子表接口加載數(shù)據(jù)

3、示例：

var monthly = DateTime.Now.Month;

            var selectsql = string.Format(@"SELECT

                                              t1.Yearly,

                                              t1.Monthly,

                                              t1.BudgetUnitName,

                                              t1.BudgetUnitCode,

                                              t1.BudgetItemName,

                                              t1.BudgetItemCode,

                                              t1.Budget

                                              FROM XL_YS_BudgetPay t1

                                              WHERE t1.Yearly = {0}

                                              --AND Monthly > {1}

                                              AND t1.BudgetUnitCode = '{2}'

                                              AND BudgetItemCode = '{3}'

                                              ORDER BY Monthly", yearly, monthly, budgetunitcode, budgetitemcode);

var dt = OThinker.H3.WorkSheet.AppUtility.Engine.Query.QueryTable(selectsql);

var list = new List();

var monthlist = new List { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "December" };

if (dt.Rows.Count > 0)

{

//DeptCostBudgetInfo 為子表名稱

              BizObjectSchema childSchema = this.ActionContext.Schema.GetProperty("DeptCostBudgetInfo").ChildSchema;

               var bizObject = new BizObject(this.ActionContext.Engine, childSchema, this.ActionContext.User.UserID);

               bizObject["DataType"] = "原始";

               bizObject["BudgetItemName"] = dt.Rows[0]["BudgetItemName"].ToString();

               bizObject["BudgetItemCode"] = dt.Rows[0]["BudgetItemCode"].ToString();

               var bizObject2 = new BizObject(this.ActionContext.Engine, childSchema, this.ActionContext.User.UserID);

               bizObject2["DataType"] = "修改";

               bizObject2["BudgetItemName"] = dt.Rows[0]["BudgetItemName"].ToString();

               bizObject2["BudgetItemCode"] = dt.Rows[0]["BudgetItemCode"].ToString();

               for (int i = 0; i < monthlist.Count; i++)

               {

                 bizObject[monthlist] = dt.Rows["Budget"].ToString();

                 bizObject2[monthlist] = dt.Rows["Budget"].ToString();

                }

                list.Add(bizObject);

                list.Add(bizObject2);

               }

               if (bos != null)

               {

                   if (bos.Length > 1)

                   {

                       list.AddRange(bos);

                   }

               }

               this.ActionContext.InstanceData["DeptCostBudgetInfo"].Value = list.ToArray();

               ActionContext.InstanceData.Submit();

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名稱欄目：關(guān)于H3BPM數(shù)據(jù)庫如何實現(xiàn)排序取數(shù)據(jù)的問題-創(chuàng)新互聯(lián)
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