关于C# WinForm FastReport Studio的使用方法

using System; using System.Data; using FastReport; using Szcx.GeneralDB; using System.Collections.Generic; namespace CxFastReport { //基类 public abstract class BasePlugin :IfrxUserDataSet, IfrxUserDataSetEvents, IfrxDataSet, IfrxPlugin { private int itemIndex; /// <summary> /// 报表行索引,包括报表头，尾和数据行 /// </summary> public int ItemIndex { get { return itemIndex; } set { itemIndex = value; } } private int columnCount; /// <summary> /// 列数 /// </summary> public int ColumnCount { get { return columnCount; } set { columnCount = value; } } int rowCount = 0; /// <summary> /// 数据项总行数 /// </summary> public int RowCount { get { return rowCount; } set { rowCount = value; } } #region IfrxUserDataSet 成员 string fields; /// <summary> /// 报表列集合，格式：('column1'\n'column1'\n........) /// </summary> public string Fields { get { return fields; } set { fields = value; } } string name; public string Name { get { return name; } set { name = value; } } #endregion #region IfrxUserDataSetEvents 成员 public void OnFirst() { ItemIndex = 0; } public void OnNext() { ItemIndex++; } public void OnPrior() { ItemIndex--; } public void OnCheckEOF(out bool IsEOF) { IsEOF = (ItemIndex >= rowCount); } /// <summary> /// 报表时获取数据 /// </summary> /// <param name="VarName">列名</param> /// <param name="Value">值</param> public abstract void OnGetValue(object columanName, out object Value); #endregion #region IfrxDataSet 成员 public int CurrentRecordNo { get { return ItemIndex; } } public void GoFirst() { ItemIndex = 0; } public void GoNext() { ItemIndex++; } public void GoPrior() { ItemIndex--; } public int FieldsCount { get { return ColumnCount; } } public int RecordsCount { get { return this.rowCount; } } public int RangeEndCount { get { // TODO: Add ReportDataTable.RangeEndCount getter implementation return 0; } set { // TODO: Add ReportDataTable.RangeEndCount setter implementation } } public FastReport.frxRangeBegin RangeBegin { get { // TODO: Add ReportDataTable.RangeBegin getter implementation return new FastReport.frxRangeBegin(); } set { // TODO: Add ReportDataTable.RangeBegin setter implementation } } public abstract object ValueOfField(string FieldName); string userName = ""; public string UserName { get { return userName; } set { userName = value; } } public FastReport.frxRangeEnd RangeEnd { get { // TODO: Add ReportDataTable.RangeEnd getter implementation return new FastReport.frxRangeEnd(); } set { // TODO: Add ReportDataTable.RangeEnd setter implementation } } #endregion #region IfrxPlugin 成员 public FastReport.frxPluginType PluginType { get { return FastReport.frxPluginType.ptDataSet; } } #endregion } } using System; using System.Data; using FastReport; using Szcx.GeneralDB; using System.Collections.Generic; using Szcx.Misc; namespace CxFastReport { //实现Table数据的转换 public class ReportDataTable : BasePlugin { private DataTable dataTable; /// <summary> /// 构造方法，构建列 /// </summary> /// <param name="table">数据表</param> /// <param name="dataSourceName">生成的数据源名称</param> public ReportDataTable(DataTable table,string dataSourceName) { dataTable = table; FeildMap.Clear(); //初始化 this.Name = dataSourceName; this.UserName = dataSourceName; this.RowCount = table.Rows.Count; this.Fields = null; this.ColumnCount = table.Columns.Count; //构建列 foreach (DataColumn col in dataTable.Columns) { FeildMap.Add(field.FLD_DESC, field); this.Fields += field.FLD_DESC + "\n"; } } /// <summary> /// 实现报表时获取数据 /// </summary> /// <param name="columnName">列名</param> /// <param name="Value">获取的值</param> public override void OnGetValue(object columnName, out object Value) { //报表时获取值 object value = dataTable.Rows[this.ItemIndex][columnName.ToString()]; //将Decimal数据类型装换为Int32,FastReport不能识别Decimal数据类型 if (Value is Decimal) { Value = Decimal.ToInt32((Decimal)Value); } } public override object ValueOfField(string FieldName) { throw new Exception("The method or operation is not implemented."); } } } using System; using System.Collections.Generic; using System.Text; using FastReport; using System.Data; namespace CxFastReport { //数据绑定类 public class ReportBinding { private List<BasePlugin> reportBasePlugins = new List<BasePlugin>(); public void BindToReport(List<BasePlugin> plugins, TfrxReportClass report) { reportBasePlugins.Clear(); foreach (BasePlugin plugin in plugins) { this.reportBasePlugins.Add(plugin); report.BindObject(plugin); report.SelectDataset(true, plugin); } } /// <summary> /// 卸载数据源 /// </summary> public void UnbindFromReport(TfrxReportClass report) { foreach (BasePlugin local_table in this.reportBasePlugins) { report.SelectDataset(false, local_table); } reportBasePlugins.Clear(); } } } //继承FastReporet的新类 using System; using System.Collections.Generic; using System.Text; using FastReport; using System.Data; using System.Windows.Forms; using System.Collections; namespace CxFastReport { public class FrxFastReport : TfrxReportClass { Form form; bool secondLang; public bool SecondLang { get { return secondLang; } set { secondLang = value; } } /// <summary> /// 绑定数据源对象的类 /// </summary> private ReportBinding reportBinding = null; /// <summary> /// 数据源插件对象:分别是由：ReportDataTable,ReportList实现的 /// </summary> List<BasePlugin> plugins = new List<BasePlugin>(); private IList list = null; public FrxFastReport(Form form, bool secondLang) { this.secondLang = secondLang; this.reportBinding = new ReportBinding(); this.form = form; } Dictionary<string, object> listDataSource = new Dictionary<string, object>(); /// <summary> /// 数据源和名称,键值对,object为数据源，string数据源名称, /// 如：ListDataSource.Add(new Dictionary<tableName,dataTable>); /// </summary> public Dictionary<string, object> ListDataSource { get { return listDataSource; } set { listDataSource = value; } } /// <summary> /// 绑定数据到报表 /// </summary> public void BindToReport() { IEnumerator ienumeratorKey = ListDataSource.Keys.GetEnumerator(); while (ienumeratorKey.MoveNext()) { string key = ienumeratorKey.Current.ToString(); object reportDataSource = this.ListDataSource[key]; if (reportDataSource is DataTable) { this.plugins.Add(new ReportDataTable((DataTable)reportDataSource, key)); continue; } if (reportDataSource is DataView) { DataTable tempTable = ((DataView)reportDataSource).Table; this.plugins.Add(new ReportDataTable(tempTable, key)); continue; } if (reportDataSource is IList) { this.list = (IList)reportDataSource; this.plugins.Add(new ReportList(this.list, key)); continue; } } this.reportBinding.BindToReport(this.plugins, this); } /// <summary> /// 卸载数据源 /// </summary> public void UnbindFromReport() { this.reportBinding.UnbindFromReport(this); } } } //掉用方法 //设置FastReport数据源 Dictionary<string, DataTable> listDataSource = new Dictionary<string, DataTable>(); /// <summary> /// 数据源和名称,键值对,object为数据源，string数据源名称, /// 如：ListDataSource.Add(new Dictionary<tableName,dataTable>); /// </summary> public Dictionary<string, DataTable> ListDataSource { get { return listDataSource; } set { listDataSource = value; } } /// <summary> /// 绑定数据到报表 /// </summary> public void BindToReport() { IEnumerator ienumeratorKey = ListDataSource.Keys.GetEnumerator(); while (ienumeratorKey.MoveNext()) { string key = ienumeratorKey.Current.ToString(); DataTable reportDataSource = this.ListDataSource[key]; this.plugins.Add(new ReportDataTable((DataTable)reportDataSource, key)); this.reportBinding.BindToReport(this.plugins, this); }