/// <summary>
/// 返回访问结果
/// </summary>
/// <param name="info"></param>
/// <param name="connect"></param>
/// <returns></returns>
private DataTable GetResult(QueryDepictInfo info, ConnectInfo connect)
{
ISourceHandle handle = null;
switch (connect.connectType)
{
case SourceTypeEnum.Excel:
handle = new ExcelHandle(JObject.Parse(connect.connectStr).ToObject <ExcelLogin>());
break;
case SourceTypeEnum.Oracle:
handle = new OracleHandle(JObject.Parse(connect.connectStr).ToObject <OracleLogin>());
break;
case SourceTypeEnum.SAP:
handle = new SapHandle(JObject.Parse(connect.connectStr).ToObject <SapLogin>());
break;
case SourceTypeEnum.SqlServer:
handle = new SqlServerHandle(JObject.Parse(connect.connectStr).ToObject <SqlServerLogin>());
break;
case SourceTypeEnum.WebService:
handle = new WebServiceHandle(JObject.Parse(connect.connectStr).ToObject <WebServiceLogin>());
break;
default:
break;
}
DataTable dt = new DataTable();
if (handle != null)
{
dt = handle.GetResult(info);
}
return(dt);
}
/// <summary>
/// 连接到服务器
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public JObject JoinService(HttpContext context)
{
JObject obj = new JObject();
try
{
List <ElementInfo> structList;
SqlServerLogin login;
ISourceHandle handle;
YZRequest request = new YZRequest(context);
string joinType = request.GetString("jointype");
if (joinType.ToUpper().Equals("THEADD"))
{
//新增模式
int connectId = request.GetInt32("connectId");
ConnectInfo connectInfo = ConnectInfoManager.GetConnectInfo(connectId);
//生成连接对象
login = JObject.Parse(connectInfo.connectStr).ToObject <SqlServerLogin>();
//实例化连接对象
handle = new SqlServerHandle(login);
//获取接口集合
structList = handle.GetElementList();
}
else
{
//编辑模式
int sourceId = request.GetInt32("sourceId");
//模糊查询表或视图的名称
string name = request.GetString("name", "");
SourceInfo sourceInfo = SourceInfoManager.GetSourceInfo(sourceId);
//生成连接对象
login = JObject.Parse(sourceInfo.connectInfo.connectStr).ToObject <SqlServerLogin>();
//实例化连接对象
handle = new SqlServerHandle(login);
//获取接口集合
structList = handle.GetElementList(name);
}
if (structList != null && structList.Count > 0)
{
List <ElementInfo> tableList = structList.Where(n => n.elementType.Trim().ToUpper().Equals("U")).ToList();
JArray tableArray = new JArray();
foreach (ElementInfo item in tableList)
{
JObject jo = new JObject();
jo["name"] = item.elementName;
tableArray.Add(jo);
}
List <ElementInfo> viewList = structList.Where(n => n.elementType.Trim().ToUpper().Equals("V")).ToList();
JArray viewArray = new JArray();
foreach (ElementInfo item in viewList)
{
JObject jo = new JObject();
jo["name"] = item.elementName;
viewArray.Add(jo);
}
obj["table"] = tableArray;
obj["view"] = viewArray;
obj[YZJsonProperty.success] = true;
return(obj);
}
else
{
obj[YZJsonProperty.success] = false;
obj[YZJsonProperty.errorMessage] = "没有可供查询的表或视图！";
return(obj);
}
}
catch (Exception ex)
{
obj[YZJsonProperty.success] = false;
obj[YZJsonProperty.errorMessage] = ex.ToString();
return(obj);
}
}
/// <summary>
/// 保存数据源
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public JObject SaveSource(HttpContext context)
{
JObject obj = new JObject();
try
{
YZRequest request = new YZRequest(context);
//操作类型
string joinType = request.GetString("joinType");
string sourceName = request.GetString("sourceName");
string caption = request.GetString("caption", "");
int connectId = request.GetInt32("connectId");
int sourceId = request.GetInt32("sourceId", 0);
string queryStr = request.GetString("queryStr");
//判断是否重名
bool isNameOnly = SourceInfoManager.IsSourceNameRepeat(sourceName, SourceTypeEnum.SqlServer, sourceId);
if (isNameOnly)
{
obj[YZJsonProperty.success] = false;
obj[YZJsonProperty.errorMessage] = "已存在同名的数据源，请重命名数据源名称！";
return(obj);
}
ConnectInfo con = ConnectInfoManager.GetConnectInfo(connectId);
SqlServerLogin login = JObject.Parse(con.connectStr).ToObject <SqlServerLogin>();
ISourceHandle handle = new SqlServerHandle(login);
QueryDepictInfo info = new QueryDepictInfo();
info.query = queryStr;
StreamReader reader = new StreamReader(context.Request.InputStream);
using (JsonTextReader streamReader = new JsonTextReader(reader))
{
//获取参数配置
JsonSerializer serializer = new JsonSerializer();
JArray array = serializer.Deserialize(streamReader) as JArray;
JObject jo = array[0] as JObject;
JArray parameterArray = jo["parameter"] as JArray;
if (parameterArray != null && parameterArray.Count > 0)
{
List <ColumnInfo> paramList = new List <ColumnInfo>();
foreach (var item in parameterArray)
{
ColumnInfo column = new ColumnInfo();
column.columnName = item["columnName"].ToString();
column.rename = item["rename"].ToString();
column.isShow = item["isShow"].ToString().ToUpper().Equals("TRUE") ? 1 : 0;
column.defaultValue = item["defaultValue"].ToString();
paramList.Add(column);
}
info.parameter = paramList;
}
JArray schemaArray = jo["schema"] as JArray;
if (schemaArray != null && schemaArray.Count > 0)
{
List <ColumnInfo> schemaList = new List <ColumnInfo>();
foreach (var item in schemaArray)
{
ColumnInfo column = new ColumnInfo();
column.columnName = item["columnName"].ToString();
column.rename = item["rename"].ToString();
column.isShow = item["isShow"].ToString().ToUpper().Equals("TRUE") ? 1 : 0;
column.defaultValue = item["defaultValue"].ToString();
schemaList.Add(column);
}
info.schema = schemaList;
}
}
if (joinType.ToUpper().Equals("THEEDIT"))
{
SourceInfo sourceInfo = SourceInfoManager.GetSourceInfo(sourceId);
sourceInfo.sourceName = sourceName;
sourceInfo.caption = caption;
sourceInfo.updateTime = DateTime.Now;
sourceInfo.sourceStr = JObject.FromObject(info).ToString();
SourceInfoManager.EditSource(sourceInfo);
}
else
{
SourceInfo sourceInfo = new SourceInfo();
sourceInfo.sourceName = sourceName;
sourceInfo.sourceType = SourceTypeEnum.SqlServer;
sourceInfo.connectInfo = ConnectInfoManager.GetConnectInfo(connectId);
sourceInfo.caption = caption;
sourceInfo.isvalid = true;
sourceInfo.createTime = DateTime.Now;
sourceInfo.updateTime = DateTime.Now;
sourceInfo.sourceStr = JObject.FromObject(info).ToString();
SourceInfoManager.AddSource(sourceInfo);
}
obj[YZJsonProperty.success] = true;
obj[YZJsonProperty.errorMessage] = "保存成功";
return(obj);
}
catch (Exception ex)
{
obj[YZJsonProperty.success] = false;
obj[YZJsonProperty.errorMessage] = ex.Message.ToString();
return(obj);
}
}
/// <summary>
/// 执行sql语句返回值
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public JObject RunSql(HttpContext context)
{
JObject obj = new JObject();
try
{
YZRequest request = new YZRequest(context);
string queryStr = request.GetString("queryStr");
QueryDepictInfo info = new QueryDepictInfo();
info.query = queryStr;
StreamReader reader = new StreamReader(context.Request.InputStream);
using (JsonTextReader streamReader = new JsonTextReader(reader))
{
//获取参数配置
JsonSerializer serializer = new JsonSerializer();
JArray array = serializer.Deserialize(streamReader) as JArray;
if (array != null && array.Count > 0)
{
List <ColumnInfo> paramList = new List <ColumnInfo>();
foreach (var item in array)
{
ColumnInfo column = new ColumnInfo();
column.columnName = item["columnName"].ToString();
column.rename = item["rename"].ToString();
column.isShow = item["isShow"].ToString().ToUpper().Equals("TRUE") ? 1 : 0;
column.defaultValue = item["defaultValue"].ToString();
paramList.Add(column);
}
info.parameter = paramList;
}
//执行
int connectId = request.GetInt32("connectId");
ConnectInfo con = ConnectInfoManager.GetConnectInfo(connectId);
SqlServerLogin login = JObject.Parse(con.connectStr).ToObject <SqlServerLogin>();
ISourceHandle handle = new SqlServerHandle(login);
DataTable dt = handle.GetResult(info);
if (dt == null)
{
obj[YZJsonProperty.success] = false;
obj[YZJsonProperty.errorMessage] = "没有可供查询的结果！";
return(obj);
}
//保存输出参数
List <ColumnInfo> schemaList = new List <ColumnInfo>();
foreach (DataColumn item in dt.Columns)
{
schemaList.Add(new ColumnInfo()
{
columnName = item.ColumnName,
rename = item.ColumnName,
columnType = item.DataType.Name,
isShow = 1
});
}
info.schema = schemaList;
JArray results = new JArray();
if (dt.Rows.Count > 0)
{
foreach (DataRow row in dt.Rows)
{
JObject item = new JObject();
foreach (DataColumn column in dt.Columns)
{
item[column.ColumnName] = row[column.ColumnName].ToString();
}
results.Add(item);
}
obj["children"] = results;
}
else
{
JObject item = new JObject();
foreach (DataColumn column in dt.Columns)
{
item[column.ColumnName] = "";
}
results.Add(item);
obj["children"] = results;
}
obj["children"] = results;
//执行数据
obj[YZJsonProperty.success] = true;
return(obj);
}
}
catch (Exception ex)
{
obj[YZJsonProperty.success] = false;
obj[YZJsonProperty.errorMessage] = ex.Message.ToString();
return(obj);
}
}
