交换机端口安全 端口的粘性学习

using

System.Data;

using

System.Text;

using

System.Collections.Generic;

using

System.Reflection;

/// <summary>

/// 将DataTable或Ilist<>转换成JSON格式

/// </summary>

public

class

ToJson

{

public

ToJson()

{

}

//DataTable转成Json

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();

}

//List转成json

public

static

string

ObjectToJson<T>(

string

jsonName, IList<T> IL)

{

StringBuilder Json =

new

StringBuilder();

Json.Append(

"{\""

+ jsonName +

"\":["

);

if

(IL.Count > 0)

{

for

(

int

i = 0; i < IL.Count; i++)

{

T obj = Activator.CreateInstance<T>();

Type type = obj.GetType();

PropertyInfo[] pis = type.GetProperties();

Json.Append(

"{"

);

for

(

int

j = 0; j < pis.Length; j++)

{

Json.Append(

"\""

+ pis[j].Name.ToString() +

"\":\""

+ pis[j].GetValue(IL[i],

null

) +

"\""

);

if

(j < pis.Length - 1)

{

Json.Append(

","

);

}

}

Json.Append(

"}"

);

if

(i < IL.Count - 1)

{

Json.Append(

","

);

}

}

}

Json.Append(

"]}"

);

return

Json.ToString();

}