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568 lines
23 KiB
568 lines
23 KiB
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Data;
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using System.Data.Common;
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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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namespace ICSSoft.Common
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{
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public class DataToJsonHelper
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{
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/* string sql = @"SELECT Identification,y.DepCode,a.ToWarehouseCode AS WarehouseCode
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FROM ICSWareHouseLotInfoLog a
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INNER JOIN ICSInventoryLotDetail b ON a.LotNo=b.LotNo AND a.WorkPoint=b.WorkPoint
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INNER JOIN ICSOApplyNegDetail c ON b.TransCode=c.OApplyNegCode AND b.TransSequence=c.Sequence AND b.WorkPoint=c.WorkPoint
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INNER JOIN ICSOOPick x ON c.SourceDetailID=x.PickID AND c.WorkPoint=x.WorkPoint
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INNER JOIN ICSOutsourcingOrder y ON x.OODetailID=y.OODetailID AND x.WorkPoint=y.WorkPoint
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GROUP BY Identification,y.DepCode,a.ToWarehouseCode
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SELECT Identification,y.OOCode,
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a.InvCode,SUM(a.Quantity) AS Quantity,0 AS Amount,c.SourceDetailID
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FROM ICSWareHouseLotInfoLog a
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INNER JOIN ICSInventoryLotDetail b ON a.LotNo=b.LotNo AND a.WorkPoint=b.WorkPoint
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INNER JOIN ICSOApplyNegDetail c ON b.TransCode=c.OApplyNegCode AND b.TransSequence=c.Sequence AND b.WorkPoint=c.WorkPoint
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INNER JOIN ICSOOPick x ON c.SourceDetailID=x.PickID AND c.WorkPoint=x.WorkPoint
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INNER JOIN ICSOutsourcingOrder y ON x.OODetailID=y.OODetailID AND x.WorkPoint=y.WorkPoint
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GROUP BY Identification,y.OOCode,a.MUSER,a.InvCode,c.SourceDetailID";
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DataSet ds = DBHelper.SQlReturnDataSet(sql, cmd, language);
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string RelationName = "details";
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DataRelation dr = new DataRelation(RelationName, ds.Tables[0].Columns["Identification"], ds.Tables[1].Columns["Identification"]);
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ds.Relations.Add(dr);
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string aaa = DataToJson.DataSetToJson(ds, RelationName);
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*/
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/// <summary>
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/// DataSet转Json字符串，主子结构
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/// 需要建立主子表关系，第一张表为主表
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/// 会排除关联列
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/// </summary>
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/// <param name="dataSet"></param>
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/// <param name="RelationName">关系名称</param>
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/// <returns></returns>
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public static string DataSetToJson(DataSet dataSet,string RelationName,string column)
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{
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//if (!dataSet.Tables[0].Columns.Contains(column))
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//{
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//}
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DataRelation dataRelation = new DataRelation(RelationName, dataSet.Tables[0].Columns[column], dataSet.Tables[1].Columns[column]);
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dataSet.Relations.Add(dataRelation);
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StringBuilder jsonString = new StringBuilder();
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//foreach (DataTable table in dataSet.Tables)
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//{
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DataTable table = dataSet.Tables[0];
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jsonString.Append("[");
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DataRowCollection drc = table.Rows;
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for (int i = 0; i < drc.Count; i++)
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{
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DataRow dataRow = drc[i];
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jsonString.Append("{");
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for (int j = 0; j < table.Columns.Count; j++)
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{
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string strKey = table.Columns[j].ColumnName;
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if (dataSet.Relations[RelationName].ParentColumns.Select(a=>a.Caption).Contains(strKey))
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continue;
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string strValue = dataRow[j].ToString();
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Type type = table.Columns[j].DataType;
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jsonString.Append("\"" + strKey + "\":");
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strValue = StringFormat(strValue, type);
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if (j < table.Columns.Count - 1)
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{
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jsonString.Append(strValue + ",");
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}
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else
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{
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jsonString.Append(strValue);
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}
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}
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jsonString.Append(",\"" + RelationName + "\":");
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DataRow[] drs = dataRow.GetChildRows(RelationName);
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jsonString.Append("[");
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foreach (DataRow dr in drs)
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{
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DataTable dt = dr.Table;
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jsonString.Append("{");
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for (int j = 0; j < dt.Columns.Count; j++)
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{
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string strKey = dt.Columns[j].ColumnName;
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if (dataSet.Relations[RelationName].ChildColumns.Select(a => a.Caption).Contains(strKey))
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continue;
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string strValue = dr[j].ToString();
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Type type = dt.Columns[j].DataType;
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jsonString.Append("\"" + strKey + "\":");
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strValue = StringFormat(strValue, type);
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if (j < dt.Columns.Count - 1)
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{
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jsonString.Append(strValue + ",");
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}
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else
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{
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jsonString.Append(strValue);
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}
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}
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jsonString.Append("},");
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}
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if(drs.Length>0)
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jsonString.Remove(jsonString.Length - 1, 1);
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jsonString.Append("]");
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jsonString.Append("},");
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}
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jsonString.Remove(jsonString.Length - 1, 1);
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jsonString.Append("]");
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//}
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string res = jsonString.ToString();
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return res;
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}
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/// <summary>
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/// DataSet转Json字符串，"主-子-子"结构
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/// 需要建立主子表关系，第一张表为主表,第二张表为子表，第三张表为子件表
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/// 会排除关联列
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/// </summary>
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/// <param name="dataSet"></param>
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/// <param name="RelationName">关系名称</param>
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/// <returns></returns>
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public static string DataSetToJson(DataSet dataSet,string RelationName,string column,string RelationName2,string column2)
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{
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//if (!dataSet.Tables[0].Columns.Contains(column))
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//{
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//}
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DataRelation dataRelation = new DataRelation(RelationName, dataSet.Tables[0].Columns[column], dataSet.Tables[1].Columns[column]);
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DataRelation dataRelation2 = new DataRelation(RelationName2, dataSet.Tables[1].Columns[column2], dataSet.Tables[2].Columns[column2]);
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dataSet.Relations.Add(dataRelation);
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dataSet.Relations.Add(dataRelation2);
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StringBuilder jsonString = new StringBuilder();
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//foreach (DataTable table in dataSet.Tables)
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//{
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DataTable table = dataSet.Tables[0];
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DataTable table2 = dataSet.Tables[1];
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jsonString.Append("[");
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DataRowCollection drc = table.Rows;
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for (int i = 0; i < drc.Count; i++)
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{
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DataRow dataRow = drc[i];
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jsonString.Append("{");
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for (int j = 0; j < table.Columns.Count; j++)
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{
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string strKey = table.Columns[j].ColumnName;
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if (dataSet.Relations[RelationName].ParentColumns.Select(a=>a.Caption).Contains(strKey))
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continue;
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string strValue = dataRow[j].ToString();
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Type type = table.Columns[j].DataType;
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jsonString.Append("\"" + strKey + "\":");
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strValue = StringFormat(strValue, type);
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if (j < table.Columns.Count - 1)
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{
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jsonString.Append(strValue + ",");
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}
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else
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{
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jsonString.Append(strValue);
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}
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}
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jsonString.Append(",\"" + RelationName + "\":");
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DataRow[] drs = dataRow.GetChildRows(RelationName);
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jsonString.Append("[");
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foreach (DataRow dr in drs)
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{
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DataTable dt = dr.Table;
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jsonString.Append("{");
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for (int j = 0; j < dt.Columns.Count; j++)
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{
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string strKey = dt.Columns[j].ColumnName;
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if (dataSet.Relations[RelationName].ChildColumns.Select(a => a.Caption).Contains(strKey))
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continue;
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string strValue = dr[j].ToString();
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Type type = dt.Columns[j].DataType;
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jsonString.Append("\"" + strKey + "\":");
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strValue = StringFormat(strValue, type);
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if (j < dt.Columns.Count - 1)
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{
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jsonString.Append(strValue + ",");
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}
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else
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{
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jsonString.Append(strValue);
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}
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}
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////子件表
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jsonString.Append(",\"" + RelationName2 + "\":");
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//DataRowCollection drc2 = table2.Rows;
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//for (int j = 0; j < drc2.Count; j++)
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//{
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// DataRow dataRow2 = drc2[j];
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DataRow[] drss = dr.GetChildRows(RelationName2);//取不到值
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jsonString.Append("[");
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foreach (DataRow drSec in drss)
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{
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DataTable dtSec = drSec.Table;
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jsonString.Append("{");
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for (int k = 0; k < dtSec.Columns.Count; k++)
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{
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string strKey = dtSec.Columns[k].ColumnName;
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if (dataSet.Relations[RelationName2].ChildColumns.Select(a => a.Caption).Contains(strKey))
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continue;
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string strValue = drSec[k].ToString();
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Type type = dtSec.Columns[k].DataType;
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jsonString.Append("\"" + strKey + "\":");
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strValue = StringFormat(strValue, type);
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if (k < dtSec.Columns.Count - 1)
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{
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jsonString.Append(strValue + ",");
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}
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else
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{
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jsonString.Append(strValue);
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}
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}
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jsonString.Append("},");
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}
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if (drss.Length > 0)
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jsonString.Remove(jsonString.Length - 1, 1);
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jsonString.Append("]");//detailss的后方括号
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jsonString.Append("},");
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}
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if (drs.Length>0)
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jsonString.Remove(jsonString.Length - 1, 1);
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jsonString.Append("]");
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jsonString.Append("},");
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}
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jsonString.Remove(jsonString.Length - 1, 1);
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jsonString.Append("]");
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//}
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string res = jsonString.ToString();
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return res;
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}
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#region 私有方法
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/// <summary>
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/// 过滤特殊字符
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/// </summary>
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/// <param name="s">字符串</param>
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/// <returns>json字符串</returns>
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private static string String2Json(String s)
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{
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < s.Length; i++)
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{
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char c = s.ToCharArray()[i];
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switch (c)
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{
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case '\"':
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sb.Append("\\\""); break;
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case '\\':
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sb.Append("\\\\"); break;
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case '/':
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sb.Append("\\/"); break;
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case '\b':
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sb.Append("\\b"); break;
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case '\f':
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sb.Append("\\f"); break;
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case '\n':
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sb.Append("\\n"); break;
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case '\r':
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sb.Append("\\r"); break;
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case '\t':
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sb.Append("\\t"); break;
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default:
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sb.Append(c); break;
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}
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}
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return sb.ToString();
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}
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/// <summary>
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/// 格式化字符型、日期型、布尔型
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/// </summary>
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/// <param name="str"></param>
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/// <param name="type"></param>
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/// <returns></returns>
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private static string StringFormat(string str, Type type)
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{
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if (type == typeof(string))
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{
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str = String2Json(str);
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str = "\"" + str + "\"";
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}
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else if (type == typeof(DateTime))
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{
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str = "\"" + str + "\"";
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}
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else if (type == typeof(bool))
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{
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str = str.ToLower();
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}
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else if (type != typeof(string) && string.IsNullOrEmpty(str))
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{
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str = "\"" + str + "\"";
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}
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return str;
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}
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#endregion
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#region list转换成JSON
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/// <summary>
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/// list转换为Json
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="list"></param>
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/// <returns></returns>
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public static string ListToJson<T>(IList<T> list)
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{
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object obj = list[0];
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return ListToJson<T>(list, obj.GetType().Name);
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}
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/// <summary>
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/// list转换为json
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/// </summary>
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/// <typeparam name="T1"></typeparam>
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/// <param name="list"></param>
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/// <param name="p"></param>
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/// <returns></returns>
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private static string ListToJson<T>(IList<T> list, string JsonName)
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{
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StringBuilder Json = new StringBuilder();
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if (string.IsNullOrEmpty(JsonName))
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JsonName = list[0].GetType().Name;
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Json.Append("{\"" + JsonName + "\":[");
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if (list.Count > 0)
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{
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for (int i = 0; i < list.Count; i++)
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{
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T obj = Activator.CreateInstance<T>();
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PropertyInfo[] pi = obj.GetType().GetProperties();
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Json.Append("{");
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for (int j = 0; j < pi.Length; j++)
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{
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Type type = pi[j].GetValue(list[i], null).GetType();
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Json.Append("\"" + pi[j].Name.ToString() + "\":" + StringFormat(pi[j].GetValue(list[i], null).ToString(), type));
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if (j < pi.Length - 1)
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{
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Json.Append(",");
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}
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}
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Json.Append("}");
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if (i < list.Count - 1)
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{
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Json.Append(",");
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}
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}
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}
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Json.Append("]}");
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return Json.ToString();
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}
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#endregion
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#region 对象转换为Json
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/// <summary>
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/// 对象转换为json
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/// </summary>
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/// <param name="jsonObject">json对象</param>
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/// <returns>json字符串</returns>
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public static string ToJson(object jsonObject)
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{
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string jsonString = "{";
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PropertyInfo[] propertyInfo = jsonObject.GetType().GetProperties();
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for (int i = 0; i < propertyInfo.Length; i++)
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{
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object objectValue = propertyInfo[i].GetGetMethod().Invoke(jsonObject, null);
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string value = string.Empty;
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if (objectValue is DateTime || objectValue is Guid || objectValue is TimeSpan)
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{
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value = "'" + objectValue.ToString() + "'";
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}
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else if (objectValue is string)
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{
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value = "'" + ToJson(objectValue.ToString()) + "'";
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}
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else if (objectValue is IEnumerable)
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{
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value = ToJson((IEnumerable)objectValue);
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}
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else
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{
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value = ToJson(objectValue.ToString());
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}
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jsonString += "\"" + ToJson(propertyInfo[i].Name) + "\":" + value + ",";
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}
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jsonString.Remove(jsonString.Length - 1, jsonString.Length);
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return jsonString + "}";
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}
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#endregion
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#region 对象集合转换为json
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/// <summary>
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/// 对象集合转换为json
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/// </summary>
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/// <param name="array">对象集合</param>
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/// <returns>json字符串</returns>
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public static string ToJson(IEnumerable array)
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{
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string jsonString = "{";
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foreach (object item in array)
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{
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jsonString += ToJson(item) + ",";
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}
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jsonString.Remove(jsonString.Length - 1, jsonString.Length);
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return jsonString + "]";
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}
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#endregion
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#region 普通集合转换Json
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/// <summary>
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/// 普通集合转换Json
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/// </summary>
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/// <param name="array">集合对象</param>
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/// <returns>Json字符串</returns>
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public static string ToArrayString(IEnumerable array)
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{
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string jsonString = "[";
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foreach (object item in array)
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{
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jsonString = ToJson(item.ToString()) + ",";
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}
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jsonString.Remove(jsonString.Length - 1, jsonString.Length);
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return jsonString + "]";
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}
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#endregion
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#region DataSet转换为Json
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/// <summary>
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/// DataSet转换为Json
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/// </summary>
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/// <param name="dataSet">DataSet对象</param>
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/// <returns>Json字符串</returns>
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public static string ToJson(DataSet dataSet)
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{
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string jsonString = "{";
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foreach (DataTable table in dataSet.Tables)
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{
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jsonString += "\"" + table.TableName + "\":" + ToJson(table) + ",";
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}
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jsonString = jsonString.TrimEnd(',');
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return jsonString + "}";
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}
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#endregion
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#region Datatable转换为Json
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/// <summary>
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/// Datatable转换为Json
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/// </summary>
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/// <param name="table">Datatable对象</param>
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/// <returns>Json字符串</returns>
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public static string ToJson(DataTable dt)
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{
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StringBuilder jsonString = new StringBuilder();
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jsonString.Append("[");
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DataRowCollection drc = dt.Rows;
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for (int i = 0; i < drc.Count; i++)
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{
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jsonString.Append("{");
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for (int j = 0; j < dt.Columns.Count; j++)
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{
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string strKey = dt.Columns[j].ColumnName;
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string strValue = drc[i][j].ToString();
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Type type = dt.Columns[j].DataType;
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jsonString.Append("\"" + strKey + "\":");
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strValue = StringFormat(strValue, type);
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if (j < dt.Columns.Count - 1)
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{
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jsonString.Append(strValue + ",");
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}
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else
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{
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jsonString.Append(strValue);
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}
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}
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jsonString.Append("},");
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}
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jsonString.Remove(jsonString.Length - 1, 1);
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jsonString.Append("]");
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return jsonString.ToString();
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}
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/// <summary>
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/// DataTable转换为Json
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/// </summary>
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public static string ToJson(DataTable dt, string jsonName)
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{
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StringBuilder Json = new StringBuilder();
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if (string.IsNullOrEmpty(jsonName))
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jsonName = dt.TableName;
|
|
Json.Append("{\"" + jsonName + "\":[");
|
|
if (dt.Rows.Count > 0)
|
|
{
|
|
for (int i = 0; i < dt.Rows.Count; i++)
|
|
{
|
|
Json.Append("{");
|
|
for (int j = 0; j < dt.Columns.Count; j++)
|
|
{
|
|
Type type = dt.Rows[i][j].GetType();
|
|
Json.Append("\"" + dt.Columns[j].ColumnName.ToString() + "\":" + StringFormat(dt.Rows[i][j].ToString(), type));
|
|
if (j < dt.Columns.Count - 1)
|
|
{
|
|
Json.Append(",");
|
|
}
|
|
}
|
|
Json.Append("}");
|
|
if (i < dt.Rows.Count - 1)
|
|
{
|
|
Json.Append(",");
|
|
}
|
|
}
|
|
}
|
|
Json.Append("]}");
|
|
return Json.ToString();
|
|
}
|
|
#endregion
|
|
|
|
#region DataReader转换为Json
|
|
/// <summary>
|
|
/// DataReader转换为Json
|
|
/// </summary>
|
|
/// <param name="dataReader">DataReader对象</param>
|
|
/// <returns>Json字符串</returns>
|
|
public static string ToJson(DbDataReader dataReader)
|
|
{
|
|
StringBuilder jsonString = new StringBuilder();
|
|
jsonString.Append("[");
|
|
while (dataReader.Read())
|
|
{
|
|
jsonString.Append("{");
|
|
for (int i = 0; i < dataReader.FieldCount; i++)
|
|
{
|
|
Type type = dataReader.GetFieldType(i);
|
|
string strKey = dataReader.GetName(i);
|
|
string strValue = dataReader[i].ToString();
|
|
jsonString.Append("\"" + strKey + "\":");
|
|
strValue = StringFormat(strValue, type);
|
|
if (i < dataReader.FieldCount - 1)
|
|
{
|
|
jsonString.Append(strValue + ",");
|
|
}
|
|
else
|
|
{
|
|
jsonString.Append(strValue);
|
|
}
|
|
}
|
|
jsonString.Append("},");
|
|
}
|
|
dataReader.Close();
|
|
jsonString.Remove(jsonString.Length - 1, 1);
|
|
jsonString.Append("]");
|
|
return jsonString.ToString();
|
|
}
|
|
#endregion
|
|
}
|
|
}
|