using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using WZ.Useful.Commons;
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namespace WMS
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{
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public static class Helper
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{
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public static DataTable ToDataTable<T>(IList<T> list)
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{
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return ToDataTable<T>(list, null);
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}
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/// <summary>
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/// 将泛型集合类转换成DataTable
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/// </summary>
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/// <typeparam name="T">集合项类型</typeparam>
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/// <param name="list">集合</param>
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/// <param name="propertyName">需要返回的列的列名</param>
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/// <returns>数据集(表)</returns>
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public static DataTable ToDataTable<T>(IList<T> list, params string[] propertyName)
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{
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List<string> propertyNameList = new List<string>();
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if (propertyName != null)
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propertyNameList.AddRange(propertyName);
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DataTable result = new DataTable();
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if (list.Count > 0)
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{
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PropertyInfo[] propertys = list[0].GetType().GetProperties();
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foreach (PropertyInfo pi in propertys)
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{
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try
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{
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Type nullInt32 = typeof(Int32?);
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Type classicInt32 = typeof(Int32);
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if (propertyNameList.Count == 0)
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{
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//result.Columns.Add(pi.Name, pi.PropertyType);
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var tmp = pi.PropertyType.UnderlyingSystemType.ToString();
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result.Columns.Add(pi.Name, tmp.Contains("System.Nullable") ? classicInt32 : pi.PropertyType);
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}
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else
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{
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if (propertyNameList.Contains(pi.Name))
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{
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var tmp = pi.PropertyType.UnderlyingSystemType.ToString();
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result.Columns.Add(pi.Name, tmp.Contains("System.Nullable") ? classicInt32 : pi.PropertyType);
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}
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}
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.ToString());
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}
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}
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for (int i = 0; i < list.Count; i++)
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{
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ArrayList tempList = new ArrayList();
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foreach (PropertyInfo pi in propertys)
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{
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if (propertyNameList.Count == 0)
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{
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object obj = pi.GetValue(list[i], null);
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tempList.Add(obj);
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}
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else
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{
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if (propertyNameList.Contains(pi.Name))
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{
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object obj = pi.GetValue(list[i], null);
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tempList.Add(obj);
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}
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}
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}
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object[] array = tempList.ToArray();
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result.LoadDataRow(array, true);
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}
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}
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return result;
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}
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public static void DataSetToExcel(DataTable ds)
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{
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string filePath = FileDialogHelper.SaveExcel();
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WZ.Useful.Commons.ExcelHelper.DataSetToExcel(ds, filePath);
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}
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/// <summary>
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/// 将linq查询转换为datatable
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="array"></param>
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/// <returns></returns>
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public static DataTable CopyToDataTable<T>(IEnumerable<T> array)
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{
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if (array == null)
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{
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return null;
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}
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var ret = new DataTable();
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foreach (PropertyDescriptor dp in TypeDescriptor.GetProperties(typeof(T)))
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ret.Columns.Add(dp.Name);
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foreach (T item in array)
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{
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var Row = ret.NewRow();
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foreach (PropertyDescriptor dp in TypeDescriptor.GetProperties(typeof(T)))
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Row[dp.Name] = dp.GetValue(item);
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ret.Rows.Add(Row);
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}
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return ret;
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}
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/// <summary>
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/// 翻译
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/// </summary>
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/// <param name="c"></param>
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public static void ChangeLanguage(Control c)
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{
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try
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{
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WZ.Useful.Commons.ControlHelper.SetControlProperty(c, "Text", WMSFrmMain.languageDic[c.Name]);
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}
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catch
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{
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}
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}
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/// <summary>
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/// 翻译
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/// </summary>
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/// <param name="c"></param>
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public static void ChangeLanguage(DataGridViewColumn c)
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{
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try
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{
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c.HeaderText = WMSFrmMain.languageDic[c.Name];
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}
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catch
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{
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}
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}
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/// <summary>
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/// 翻译
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/// </summary>
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/// <param name="c"></param>
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public static void ChangeLanguage(ToolStripMenuItem c)
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{
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try
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{
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c.Text = WMSFrmMain.languageDic[c.Name];
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}
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catch
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{
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}
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}
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/// <summary>
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/// 翻译
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/// </summary>
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/// <param name="c"></param>
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public static void ChangeLanguage(ToolStripItem c)
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{
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try
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{
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c.Text = WMSFrmMain.languageDic[c.Name];
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}
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catch
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{
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}
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}
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public static void FindAllControls(Control c)
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{
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foreach (Control ctrl in c.Controls)
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{
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ChangeLanguage(ctrl);
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//if (ctrl is DataGridView)
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//{
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// FindAllControls(ctrl);
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//}
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if (ctrl.Controls.Count > 0)
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{
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FindAllControls(ctrl);
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}
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}
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}
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}
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}
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