using System;
using System.Collections.Generic;
using System.Data;
using System.Text;
using BP.En;
using BP.DA;
namespace BP.Tools
{
///
/// 返回信息格式
///
///
public class MethodReturnMessage
{
///
/// 是否运行成功
///
public bool Success { get; set; }
///
/// 信息
///
public string Message { get; set; }
///
/// 返回的数据
///
public T Data { get; set; }
}
public class Entitis2Json
{
private volatile static Entitis2Json _instance = null;
private Entitis2Json() { }
public static Entitis2Json Instance
{
get
{
if (_instance == null)
_instance = new Entitis2Json();
return _instance;
}
}
///
/// 将实体类转为json List格式数据
///
/// 实体集合类
///
public static string ConvertEntities2ListJson(Entities ens)
{
return Instance.TranslateEntitiesToListJson(ens, null);
}
///
/// 将实体类转为json List格式数据
///
/// 实体集合类
/// 需要隐藏的列,如:@No@Name
///
public static string ConvertEntities2ListJson(Entities ens, string hidenKeys)
{
return Instance.TranslateEntitiesToListJson(ens, hidenKeys);
}
///
/// 将Entitis转换为树形的json
///
/// 实体集合类
/// 根节点编号
///
public static string ConvertEntitis2GenerTree(EntitiesTree ens, string rootNo)
{
return Instance.TansEntitiesToGenerTree(ens, rootNo);
}
///
/// 将Entitis转换为树形的gridjson
///
/// 树形实体类
/// 父节点列名
/// 子节点列名
/// 父编号
/// 是否加载子节点
/// 树形的gridjson
public static string ConvertEntitis2GridTree(EntitiesTree ens, string pColumnName, string cColumnName, string ParentNo, bool appendChild)
{
return Instance.TansEntitiesToGridTree(ens, pColumnName, cColumnName, ParentNo, appendChild);
}
///
/// 将实体类转为json格式数据
///
/// 实体集合类
///
public static string ConvertEntitis2GridJsonOnlyData(Entities ens)
{
return Instance.TranslateEntitiesToGridJsonOnlyData(ens, 0, null);
}
///
/// 将实体类转为json格式数据用于分页
///
/// 实体集合类
/// 总行数
///
public static string ConvertEntitis2GridJsonOnlyData(Entities ens, int totalRows)
{
return Instance.TranslateEntitiesToGridJsonOnlyData(ens, totalRows, null);
}
///
/// 将实体类转为json格式数据
///
/// 实体集合类
/// 需要隐藏的列,如:@No@Name
///
public static string ConvertEntitis2GridJsonOnlyData(Entities ens, string hidenKeys)
{
return Instance.TranslateEntitiesToGridJsonOnlyData(ens, 0, hidenKeys);
}
///
/// 将实体类转为json格式数据用于分页
///
/// 实体集合类
/// 总行数
/// 需要隐藏的列,如:@No@Name
///
public static string ConvertEntitis2GridJsonOnlyData(Entities ens, int totalRows, string hidenKeys)
{
return Instance.TranslateEntitiesToGridJsonOnlyData(ens, totalRows, hidenKeys);
}
///
/// 将实体集合类转为json格式 包含列名和数据
///
/// 实体集合类
/// Json格式数据
public static string ConvertEntitis2GridJsonAndData(Entities ens)
{
return Instance.TranslateEntitiesToGridJsonColAndData(ens, 0, null);
}
///
/// 将实体集合类转为json格式 包含列名和数据
///
/// 实体集合类
/// 总行数
/// Json格式数据
public static string ConvertEntitis2GridJsonAndData(Entities ens, int totalRows)
{
return Instance.TranslateEntitiesToGridJsonColAndData(ens, totalRows, null);
}
///
/// 将实体集合类转为json格式 包含列名和数据
///
/// 实体集合类
/// 需要隐藏的列,如:@No@Name
///
public static string ConvertEntitis2GridJsonAndData(Entities ens, string hidenKeys)
{
return Instance.TranslateEntitiesToGridJsonColAndData(ens, 0, hidenKeys);
}
///
/// 将实体集合类转为json格式 包含列名和数据
///
/// 实体集合类
/// 总行数
/// 需要隐藏的列,如:@No@Name
///
public static string ConvertEntitis2GridJsonAndData(Entities ens, int totalRows, string hidenKeys)
{
return Instance.TranslateEntitiesToGridJsonColAndData(ens, totalRows, hidenKeys);
}
///
/// 将实体类转为json格式
///
///
/// 隐藏字段
///
public string TranslateEntityToJson(BP.En.Entity en, string hidenKeys)
{
Attrs attrs = en.EnMap.Attrs;
StringBuilder append = new StringBuilder();
append.Append("{");
foreach (Attr attr in attrs)
{
if (!DataType.IsNullOrEmpty(hidenKeys) && hidenKeys.Contains("@" + attr.Key))
continue;
string strValue = en.GetValStrByKey(attr.Key);
if (!DataType.IsNullOrEmpty(strValue) && strValue.LastIndexOf("\\") > -1)
{
strValue = strValue.Substring(0, strValue.LastIndexOf("\\"));
}
append.Append(attr.Key + ":'" + strValue + "',");
}
append = append.Remove(append.Length - 1, 1);
append.Append("}");
return ReplaceIllgalChart(append.ToString());
}
///
/// 将实体类转为json格式List
///
///
/// 隐藏字段
///
public string TranslateEntitiesToListJson(BP.En.Entities ens, string hidenKeys)
{
Attrs attrs = ens.GetNewEntity.EnMap.Attrs;
StringBuilder append = new StringBuilder();
append.Append("[");
foreach (Entity en in ens)
{
append.Append("{");
foreach (Attr attr in attrs)
{
if (!DataType.IsNullOrEmpty(hidenKeys) && hidenKeys.Contains("@" + attr.Key))
continue;
string strValue = en.GetValStrByKey(attr.Key);
if (!DataType.IsNullOrEmpty(strValue) && strValue.EndsWith("\\") == true)
{
strValue = strValue.Substring(0, strValue.LastIndexOf("\\"));
}
strValue = strValue == null ? "" : strValue.Trim();
append.Append(attr.Key + ":'" + strValue + "',");
}
append = append.Remove(append.Length - 1, 1);
append.Append("},");
}
if (append.Length > 1)
append = append.Remove(append.Length - 1, 1);
append.Append("]");
return ReplaceIllgalChart(append.ToString());
}
///
/// 将实体类转为json格式
///
///
///
///
public string TranslateEntitiesToGridJsonOnlyData(BP.En.Entities ens, int totalRows, string hidenKeys)
{
Attrs attrs = ens.GetNewEntity.EnMap.Attrs;
StringBuilder append = new StringBuilder();
append.Append("{rows:[");
foreach (Entity en in ens)
{
append.Append("{");
foreach (Attr attr in attrs)
{
if (!DataType.IsNullOrEmpty(hidenKeys) && hidenKeys.Contains("@" + attr.Key))
continue;
string strValue = en.GetValStrByKey(attr.Key);
if (!DataType.IsNullOrEmpty(strValue) && strValue.EndsWith("\\"))
{
strValue = strValue.Substring(0, strValue.LastIndexOf("\\"));
}
append.Append(attr.Key + ":'" + strValue + "',");
}
append = append.Remove(append.Length - 1, 1);
append.Append("},");
}
//长度超过{rows:[才进行截取
if (append.Length > 7)
append = append.Remove(append.Length - 1, 1);
if (totalRows == 0)
{
append.Append("],total:");
append.Append(ens != null ? ens.Count : 0);
}
else
{
append.Append("],total:" + totalRows);
}
append.Append("}");
return ReplaceIllgalChart(append.ToString());
}
///
/// 将实体类转为json格式 包含列名和数据
///
///
///
///
public string TranslateEntitiesToGridJsonColAndData(Entities ens, int totalRows, string hidenKeys)
{
Attrs attrs = ens.GetNewEntity.EnMap.Attrs;
StringBuilder append = new StringBuilder();
append.Append("{");
//整理列名
append.Append("columns:[");
foreach (Attr attr in attrs)
{
if (attr.UIVisible == false)
continue;
if (!DataType.IsNullOrEmpty(hidenKeys) && hidenKeys.Contains("@" + attr.Key))
continue;
if (attr.MyFieldType == FieldType.RefText)
continue;
if (attr.ItIsRefAttr || attr.ItIsFK || attr.ItIsEnum)
{
append.Append("{");
append.Append(string.Format("field:'{0}',title:'{1}',width:{2},sortable:true", attr.Key + "Text", attr.Desc, attr.UIWidth * 2));
append.Append("},");
continue;
}
append.Append("{");
append.Append(string.Format("field:'{0}',title:'{1}',width:{2},sortable:true", attr.Key, attr.Desc, attr.UIWidth * 2));
append.Append("},");
}
if (append.Length > 10)
append = append.Remove(append.Length - 1, 1);
append.Append("]");
//整理数据
bool bHaveData = false;
append.Append(",data:{rows:[");
foreach (Entity en in ens)
{
bHaveData = true;
append.Append("{");
foreach (Attr attr in attrs)
{
//if (attr.ItIsRefAttr || attr.UIVisible == false)
// continue;
if (attr.MyFieldType == FieldType.RefText)
continue;
if (attr.ItIsRefAttr || attr.ItIsFK || attr.ItIsEnum)
{
append.Append(attr.Key + "Text:'" + en.GetValRefTextByKey(attr.Key) + "',");
continue;
}
append.Append(attr.Key + ":'" + en.GetValStrByKey(attr.Key) + "',");
}
append = append.Remove(append.Length - 1, 1);
append.Append("},");
}
if (append.Length > 11 && bHaveData)
append = append.Remove(append.Length - 1, 1);
append.Append("],total:" + totalRows + "}");
append.Append("}");
return ReplaceIllgalChart(append.ToString());
}
///
///
///
///
///
///
///
///
///
public string TansEntitiesToGridTree(EntitiesTree ens, string pColumnName, string cColumnName, string ParentNo, bool appendChild)
{
StringBuilder stringbuilder = new StringBuilder();
Attrs attrs = ens.GetNewEntity.EnMap.Attrs;
stringbuilder.Append("[");
foreach (EntityTree en in ens)
{
stringbuilder.Append("{");
foreach (Attr attr in attrs)
{
string chidstring = TansEntitiesToGridTree(ens, pColumnName, cColumnName, en.GetValStrByKey(cColumnName), appendChild);
if (!DataType.IsNullOrEmpty(chidstring) && appendChild == true)
{
stringbuilder.Append(TranslateEntityToJson(en, ""));
stringbuilder.Replace('}', ',', stringbuilder.Length - 1, 1);
stringbuilder.Append("children:");
stringbuilder.Append(chidstring);
}
else
{
stringbuilder.Append(TranslateEntityToJson(en, ""));
stringbuilder.Append(",");
}
if (attr.ItIsRefAttr || attr.ItIsFK || attr.ItIsEnum)
{
stringbuilder.Append(attr.Key + "Text:'" + en.GetValRefTextByKey(attr.Key) + "',");
continue;
}
stringbuilder.Append(attr.Key + ":'" + en.GetValStrByKey(attr.Key) + "',");
}
stringbuilder.Replace(',', ' ', stringbuilder.Length - 1, 1);
stringbuilder.Append("]},");
}
return stringbuilder.ToString();
}
///
/// 将实体转为树形
///
///
///
StringBuilder appendMenus = new StringBuilder();
StringBuilder appendMenuSb = new StringBuilder();
public string TansEntitiesToGenerTree(EntitiesTree ens, string rootNo)
{
appendMenus = new StringBuilder();
appendMenuSb = new StringBuilder();
EntityTree root = ens.GetEntityByKey(EntityTreeAttr.ParentNo, rootNo) as EntityTree;
if (root == null)
throw new Exception("@没有找到rootNo=" + rootNo + "的entity.");
appendMenus.Append("[{");
appendMenus.Append("'id':'" + root.No + "'");
appendMenus.Append(",'text':'" + root.Name + "'");
appendMenus.Append(",'state':'open'");
// 增加它的子级.
appendMenus.Append(",'children':");
AddChildren(root, ens);
appendMenus.Append(appendMenuSb);
appendMenus.Append("}]");
return ReplaceIllgalChart(appendMenus.ToString());
}
public void AddChildren(EntityTree parentEn, EntitiesTree ens)
{
appendMenus.Append(appendMenuSb);
appendMenuSb.Clear();
appendMenuSb.Append("[");
foreach (EntityTree item in ens)
{
if (item.ParentNo != parentEn.No)
continue;
appendMenuSb.Append("{'id':'" + item.No + "','text':'" + item.Name + "','state':'closed'");
EntityTree treeNode = ens.GetEntityByKey(EntityTreeAttr.ParentNo, item.No) as EntityTree;
if (treeNode != null)
{
// 增加它的子级.
appendMenuSb.Append(",'children':");
AddChildren(item, ens);
}
appendMenuSb.Append("},");
}
if (appendMenuSb.Length > 1)
appendMenuSb = appendMenuSb.Remove(appendMenuSb.Length - 1, 1);
appendMenuSb.Append("]");
appendMenus.Append(appendMenuSb);
appendMenuSb.Clear();
}
///
/// 去除特殊字符
///
///
///
public string ReplaceIllgalChart(string s)
{
StringBuilder sb = new StringBuilder();
for (int i = 0, j = s.Length; i < j; i++)
{
char c = s[i];
switch (c)
{
case '\"':
sb.Append("\\\"");
break;
case '\\':
sb.Append("\\\\");
break;
case '/':
sb.Append("\\/");
break;
case '\b':
sb.Append("\\b");
break;
case '\f':
sb.Append("\\f");
break;
case '\n':
sb.Append("\\n");
break;
case '\r':
sb.Append("\\r");
break;
case '\t':
sb.Append("\\t");
break;
default:
sb.Append(c);
break;
}
}
return sb.ToString();
}
}
}
namespace BP.DA
{
public class DataTableConvertJson
{
#region dataTable转换成Json格式
///
/// dataTable转换成Json格式
///
///
///
public static string DataTable2Json(DataTable dt)
{
StringBuilder jsonBuilder = new StringBuilder();
jsonBuilder.Append("[");
for (int i = 0; i < dt.Rows.Count; i++)
{
jsonBuilder.Append("{");
for (int j = 0; j < dt.Columns.Count; j++)
{
jsonBuilder.Append("\"");
jsonBuilder.Append(dt.Columns[j].ColumnName);
jsonBuilder.Append("\":\"");
jsonBuilder.Append(dt.Rows[i][j].ToString());
jsonBuilder.Append("\",");
}
jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
jsonBuilder.Append("},");
}
if (jsonBuilder.Length > 1)
jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
jsonBuilder.Append("]");
return jsonBuilder.ToString();
}
///
/// 替换特殊字符,避免json解析时报错 秦-2015-5-20
///
/// 需要替换的原始字符串
///
public static string GetFilteredStrForJSON(string getText, bool checkId)
{
if (checkId)
{
getText = getText.Replace("\n", "");
}
else
{
getText = getText.Replace("\n", "ccflow_lover");
}
getText = getText.Replace("\n", "");
getText = getText.Replace("\r", "");
getText = getText.Replace("{", "{");
getText = getText.Replace("}", "}");
getText = getText.Replace("[", "【");
getText = getText.Replace("]", "】");
getText = getText.Replace("\"", "”");
getText = getText.Replace("\'", "‘");
getText = getText.Replace("<", "《");
getText = getText.Replace(">", "》");
getText = getText.Replace("(", "(");
getText = getText.Replace(")", ")");
return getText;
}
///
/// dataTable转换成Json格式 秦2014年06月23日 17:11
///
/// 表
/// 总行数
///
public static string DataTable2Json(DataTable dt, int totalRows)
{
StringBuilder jsonBuilder = new StringBuilder();
jsonBuilder.Append("{\"rows\":[");
for (int i = 0; i < dt.Rows.Count; i++)
{
jsonBuilder.Append("{");
for (int j = 0; j < dt.Columns.Count; j++)
{
jsonBuilder.Append("\""+dt.Columns[j].ColumnName.ToUpper()+"\"");
jsonBuilder.Append(":");
jsonBuilder.Append("\"" + GetFilteredStrForJSON(dt.Rows[i][j].ToString(), true) + "\"");
jsonBuilder.Append(",");
}
jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
jsonBuilder.Append("},");
}
//不存在数据时
if (jsonBuilder.Length > 11)
{
jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
}
//jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
if (totalRows == 0)
{
jsonBuilder.Append("],\"total\":0");
}
else
{
jsonBuilder.Append("],\"total\":" + totalRows);
}
jsonBuilder.Append("}");
return jsonBuilder.ToString();
}
#endregion dataTable转换成Json格式
#region DataSet转换成Json格式
///
/// DataSet转换成Json格式
///
/// DataSet
///
public static string Dataset2Json(DataSet ds)
{
StringBuilder json = new StringBuilder();
json.Append("[");
foreach (DataTable dt in ds.Tables)
{
json.Append("{\"");
json.Append(dt.TableName);
json.Append("\":");
json.Append(DataTable2Json(dt));
json.Append("},");
}
if (json.Length > 1)
{
json.Remove(json.Length - 1, 1);
}
json.Append("]");
return json.ToString();
}
#endregion
///
/// Msdn
///
///
///
///
public static string DataTableToJson(string jsonName, DataTable dt)
{
StringBuilder Json = new StringBuilder();
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++)
{
Json.Append("\"" + dt.Columns[j].ColumnName.ToString() + "\":\"" + dt.Rows[i][j].ToString() + "\"");
if (j < dt.Columns.Count - 1)
{
Json.Append(",");
}
}
Json.Append("}");
if (i < dt.Rows.Count - 1)
{
Json.Append(",");
}
}
}
Json.Append("]}");
return Json.ToString();
}
///
/// 根据DataTable生成Json树结构
///
/// 数据源
/// ID列
/// Text列
/// 关系字段
/// 父ID
///easyui tree json格式
public static string TransDataTable2TreeJson(DataTable tabel, string idCol, string txtCol, string rela, object pId)
{
treeResult = new StringBuilder();
treesb = new StringBuilder();
return GetTreeJsonByTable(tabel, idCol, txtCol, rela, pId);
}
///
/// 根据DataTable生成Json树结构
///
/// 数据源
/// ID列
/// Text列
/// 关系字段
/// 父ID
///easyui tree json格式
static StringBuilder treeResult = new StringBuilder();
static StringBuilder treesb = new StringBuilder();
private static string GetTreeJsonByTable(DataTable tabel, string idCol, string txtCol, string rela, object pId)
{
string treeJson = string.Empty;
string treeState = "close";
treeResult.Append(treesb.ToString());
treesb.Clear();
if (treeResult.Length == 0)
{
treeState = "open";
}
if (tabel.Rows.Count > 0)
{
treesb.Append("[");
string filer = string.Empty;
if (pId.ToString() == "")
{
filer = string.Format("{0} is null", rela);
}
else
{
filer = string.Format("{0}='{1}'", rela, pId);
}
DataRow[] rows = tabel.Select(filer);
if (rows.Length > 0)
{
foreach (DataRow row in rows)
{
treesb.Append("{\"id\":\"" + row[idCol]
+ "\",\"text\":\"" + row[txtCol]
+ "\",\"state\":\"" + treeState + "\"");
if (tabel.Select(string.Format("{0}='{1}'", rela, row[idCol])).Length > 0)
{
treesb.Append(",\"children\":");
GetTreeJsonByTable(tabel, idCol, txtCol, rela, row[idCol]);
treeResult.Append(treesb.ToString());
treesb.Clear();
}
treeResult.Append(treesb.ToString());
treesb.Clear();
treesb.Append("},");
}
treesb = treesb.Remove(treesb.Length - 1, 1);
}
treesb.Append("]");
treeResult.Append(treesb.ToString());
treeJson = treeResult.ToString();
treesb.Clear();
}
return treeJson;
}
}
}