钉钉氚云平台人事管理学习日记单据流水号

Posted 2022-08-31 no-trouble

今天产品小哥过来跟我说要做一个自动产生流水号的功能，由于该字段是位于表体，系统标准流水号功能只支持表头，所以需要进行开发。

设计思路：查询数据库中最大流水编号，+1 后update字段

其实有想过做一个种子表的，但由于其前面编号的规则是根据2个下拉框结果组合产生的，就是年+A字段+B字段+流水号，一种组合生成一种流水号编码，要根据所有组合一一创建种子表，不建议使用。

话不多说，上代码

using System;
using System.Collections.Generic;
using System.Text;
using H3;

public class D001365b02412ae8b784b3f94f8789416a9e42e: H3.SmartForm.SmartFormController

    public D001365b02412ae8b784b3f94f8789416a9e42e(H3.SmartForm.SmartFormRequest request): base(request)
   
   

    protected override void OnLoad(H3.SmartForm.LoadSmartFormResponse response)
   
        base.OnLoad(response);
        // string a ="19S001";
        // string b=a.Length.ToString();
        // response.Message=b;
   

    protected override void OnSubmit(string actionName, H3.SmartForm.SmartFormPostValue postValue, H3.SmartForm.SubmitSmartFormResponse response)
   
        base.OnSubmit(actionName, postValue, response);
        if(actionName == "Submit")
       
            //判断是否是新增
            bool isCreateMode = this.Request.IsCreateMode;
            // if(isCreateMode == true)
            //
            string headtablename = "D001365b02412ae8b784b3f94f8789416a9e42e";
            string entitytablename = "D001365F732ebe2190a845c7863dc39511ef3407";
            // string headtablename = "D001365ff79a1a3560f4658a9156701f2bc83a3";
            // string entitytablename = "D001365a139d3ff1a834f2bab4c45aa2be0ae0e";
            string oldfield = "F0000072";
            //加载当前对象
            H3.DataModel.BizObject currentBo = H3.DataModel.BizObject.Load(H3.Organization.User.SystemUserId, this.Request.Engine, headtablename, this.Request.BizObject.ObjectId, false);

            //获取子表的数据
            H3.DataModel.BizObject[] entity = (H3.DataModel.BizObject[]) currentBo[entitytablename];

            for(int i = 0;i < entity.Length; i++)
           
                string number = entity[i][oldfield].ToString();
                int len = number.Length;
                //判断长度
                if(len == 6)
               
                    int historynumber = HistoryNumber.GetHistoryNumber(this.Request.Engine, entitytablename, number) + 1;
                    string newnumber = number + historynumber.ToString().PadLeft(3, ‘0‘);
                    entity[i][oldfield] = newnumber;
                    entity[i].Update();
                   
           
            response.Refresh = true;
            //
       
   


//获取流水号编码公共类
public class HistoryNumber

    public static int GetHistoryNumber(H3.IEngine engine, string entitytablename, string number)
   
        int m = 0;
        //表名为阅读工作计划表
        if(entitytablename == "D001365F732ebe2190a845c7863dc39511ef3407")
        //if(entitytablename == "D001365a139d3ff1a834f2bab4c45aa2be0ae0e")
       
            string field = "F0000072";
            //构建表名
            string sqltablename = "I_" + entitytablename;
            string sql2 = string.Format("SELECT * FROM 0  ", sqltablename);
            System.Data.DataTable dt2 = engine.Query.QueryTable(sql2, null);
            //string sql = string.Format("select substring(2,6) as historynumber from 0 where 3 like ‘1%‘ and LENGTH(4) >6 order by substring(5,6) desc  limit 1 ", sqltablename, number, newfield, newfield, newfield, newfield);
            string sql = string.Format("select right(2,3) as historynumber from 0 where 3 like ‘1%‘ and LENGTH(4) >6 order by right(5,3) desc  limit 1 ", sqltablename, number, field, field, field, field);
            System.Data.DataTable dt = engine.Query.QueryTable(sql, null);
            if(dt != null && dt.Rows.Count > 0)
           
                int historynumber = Convert.ToInt32(dt.Rows[0]["historynumber"]);
                return historynumber;
           
            else  //没有记录，则赋予初始流水号
           
                return m;
           
       
        else
       
            return m;
       
   

 

流水号规则是前六位根据用户选择生成+3位流水号，由于前六位根据用户选择生成并有显示在流水号字段，所以我获取了单据上流水号字段，并在数据库中用order by和like截取了后三位最大的流水号，且判断只有字段长度为6才会触发获取流水号事件