标签：JQuery 创建表格 string Json jsonString ToString dt 数据 Append
原文链接：http://www.cnblogs.com/xiao_haun/archive/2011/01/25/1944689.html一般处理程序JsonDate.ashx
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
DataTable data2 = myData();
string str = DataTableToJson("myJson", data2);//构建的json数据
context.Response.Write(str);
}
public bool IsReusable
{
get
{
return false;
}
}
//用datatable做数据,数据模拟
public DataTable myData()
{
DataTable dt = new DataTable();
DataColumn dc;
DataRow dr;
dc = new DataColumn("Name", System.Type.GetType("System.String"));
dt.Columns.Add(dc);
dc = new DataColumn("Email", System.Type.GetType("System.String"));
dt.Columns.Add(dc);
dc = new DataColumn("Phon", System.Type.GetType("System.String"));
dt.Columns.Add(dc);
dc = new DataColumn("Move", System.Type.GetType("System.String"));
dt.Columns.Add(dc);
dc = new DataColumn("Pan", System.Type.GetType("System.String"));
dt.Columns.Add(dc);
dc = new DataColumn("select", System.Type.GetType("System.String"));
dt.Columns.Add(dc);
for (int i = 1; i < 7; i++)
{
dr = dt.NewRow();
dr["Name"] = "Name" + i.ToString();
dr["Email"] = "Email" + i.ToString();
dr["Phon"] = "Phon" + i.ToString();
dr["Move"] = "Move" + i.ToString();
dr["Pan"] = "Pan" + i.ToString();
dr["select"] = i.ToString();
dt.Rows.Add(dr);
}
int count = dt.Rows.Count;
return dt;
}
//将datatable数据转换成JSON数据
public string DataTableToJson(string jsonName, DataTable dt)
{
StringBuilder Json = new StringBuilder();
Json.Append("[");
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();
}
//列表数据转换到json数据
public string ObjectToJson<T>(string jsonName, IList<T> IL)
{
StringBuilder Json = new StringBuilder();
Json.Append("[");
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();
}
页面Default.aspx
function GetData()
{
$.getJSON(
"JsonData.ashx",//产生Json数据的服务端页面
function(json)
{
for(var i=0;i<json.length;i++)
{
//开始
var index=-1;
var txtTRLastIndex = findObj("txtTRLastIndex",document);
var rowID = parseInt(txtTRLastIndex.value);
var signFrame = findObj("SignFrame",document);
//添加行
var newTR = signFrame.insertRow(signFrame.rows.length);
newTR.id = "SignItem" + rowID;
//添加列:序号
var newNameTD=newTR.insertCell(0);
//添加列内容
newNameTD.innerHTML = newTR.rowIndex.toString();
//添加列:姓名
var newNameTD=newTR.insertCell(1);
//添加列内容
newNameTD.innerHTML = "<input name='txtName" + rowID + "' id='txtName" + rowID + "' value='"+json[i].Name+"' type='text' size='12' />";
//添加列:电子邮箱
var newEmailTD=newTR.insertCell(2);
//添加列内容
newEmailTD.innerHTML = "<input name='txtEMail" + rowID + "' id='txtEmail" + rowID + "' value='"+json[i].Email+"' type='text' size='20' />";
//添加列:电话
var newTelTD=newTR.insertCell(3);
//添加列内容
newTelTD.innerHTML = "<input name='txtTel" + rowID + "' id='txtTel" + rowID + "' value='"+json[i].Phon+"' type='text' size='10' />";
//添加列:手机
var newMobileTD=newTR.insertCell(4);
//添加列内容
newMobileTD.innerHTML = "<input name='txtMobile" + rowID + "' id='txtMobile" + rowID + "' value='"+json[i].Move+"' type='text' size='12' />";
//添加列:公司名
var newCompanyTD=newTR.insertCell(5);
//添加列内容
newCompanyTD.innerHTML = "<input name='txtCompany" + rowID + "' id='txtCompany" + rowID + "' value='"+json[i].Pan+"' type='text' size='20' />";
//添加下拉框
var newCompanyTD=newTR.insertCell(6);
newCompanyTD.innerHTML = "<select id='Select"+rowID+"'><option value='1'>1</option><option value='2'>2</option><option value='3'>3</option><option value='4'>4</option><option value='5'>5</option> </select>";
//动态选中下拉框
for(var j=0;j<document.getElementById("Select"+rowID).options.length;j++)
{
if(document.getElementById("Select"+rowID).options[j].text==json[i].select)
index=j;
}
if(index>=0)
document.getElementById("Select"+rowID).options[index].selected=true;
//添加列:删除按钮
var newDeleteTD=newTR.insertCell(7);
//添加列内容
newDeleteTD.innerHTML = "<div align='center' style='width:40px'><a href='javascript:;' οnclick=\"DeleteSignRow('SignItem" + rowID + "')\">删除</a></div>";
//将行号推进下一行
txtTRLastIndex.value = (rowID + 1).toString();
}
}
)
}
-----------------------------------------------------
---------------------------------------------------
1将DataTable或Ilist<>转换成JSON格式using System;
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();
}
}
2各种数据集转换为json/// <summary>
/// 对象转换为Json字符串
/// </summary>
/// <param name="jsonObject">对象</param>
/// <returns>Json字符串</returns>
public static string ToJson(object jsonObject)
{
string jsonString = "{";
PropertyInfo[] propertyInfo = jsonObject.GetType().GetProperties();
for (int i = 0; i < propertyInfo.Length; i++)
{
object objectValue = propertyInfo[i].GetGetMethod().Invoke(jsonObject, null);
string value = string.Empty;
if (objectValue is DateTime || objectValue is Guid || objectValue is TimeSpan)
{
value = "'" + objectValue.ToString() + "'";
}
else if(objectValue is string)
{
value = "'" + ToJson(objectValue.ToString()) + "'";
}
else if (objectValue is IEnumerable)
{
value = ToJson((IEnumerable)objectValue);
}
else
{
value = ToJson(objectValue.ToString());
}
jsonString += "\"" + ToJson(propertyInfo[i].Name) + "\":" + value + ",";
}
return Json.DeleteLast(jsonString) + "}";
}
/// <summary>
/// 对象集合转换Json
/// </summary>
/// <param name="array">集合对象</param>
/// <returns>Json字符串</returns>
public static string ToJson(IEnumerable array)
{
string jsonString = "[";
foreach (object item in array)
{
jsonString += Json.ToJson(item) + ",";
}
return Json.DeleteLast(jsonString) + "]";
}
/// <summary>
/// 普通集合转换Json
/// </summary>
/// <param name="array">集合对象</param>
/// <returns>Json字符串</returns>
public static string ToArrayString(IEnumerable array)
{
string jsonString = "[";
foreach (object item in array)
{
jsonString = ToJson(item.ToString()) + ",";
}
return Json.DeleteLast(jsonString) + "]";
}
/// <summary>
/// 删除结尾字符
/// </summary>
/// <param name="str">需要删除的字符</param>
/// <returns>完成后的字符串</returns>
private static string DeleteLast(string str)
{
if (str.Length > 1)
{
return str.Substring(0, str.Length - 1);
}
return str;
}
/// <summary>
/// Datatable转换为Json
/// </summary>
/// <param name="table">Datatable对象</param>
/// <returns>Json字符串</returns>
public static string ToJson(DataTable table)
{
string jsonString = "[";
DataRowCollection drc = table.Rows;
for (int i = 0; i < drc.Count; i++)
{
jsonString += "{";
foreach (DataColumn column in table.Columns)
{
jsonString += "\"" + ToJson(column.ColumnName) + "\":";
if (column.DataType == typeof(DateTime) || column.DataType == typeof(string))
{
jsonString += "\"" + ToJson(drc[i][column.ColumnName].ToString()) + "\",";
}
else
{
jsonString += ToJson(drc[i][column.ColumnName].ToString()) + ",";
}
}
jsonString = DeleteLast(jsonString) + "},";
}
return DeleteLast(jsonString) + "]";
}
/// <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)
{
string jsonString = "[";
while (dataReader.Read())
{
jsonString += "{";
for (int i = 0; i < dataReader.FieldCount; i++)
{
jsonString += "\"" + ToJson(dataReader.GetName(i)) + "\":";
if (dataReader.GetFieldType(i) == typeof(DateTime) || dataReader.GetFieldType(i) == typeof(string))
{
jsonString += "\"" + ToJson(dataReader[i].ToString()) + "\",";
}
else
{
jsonString += ToJson(dataReader[i].ToString()) + ",";
}
}
jsonString = DeleteLast(jsonString) + "}";
}
dataReader.Close();
return DeleteLast(jsonString) + "]";
}
/// <summary>
/// DataSet转换为Json
/// </summary>
/// <param name="dataSet">DataSet对象</param>
/// <returns>Json字符串</returns>
public static string ToJson(DataSet dataSet)
{
string jsonString = "{";
foreach (DataTable table in dataSet.Tables)
{
jsonString += "\"" + ToJson(table.TableName) + "\":" + ToJson(table) + ",";
}
return jsonString = DeleteLast(jsonString) + "}";
}
/// <summary>
/// String转换为Json
/// </summary>
/// <param name="value">String对象</param>
/// <returns>Json字符串</returns>
public static string ToJson(string value)
{
if (string.IsNullOrEmpty(value))
{
return string.Empty;
}
string temstr;
temstr = value;
temstr = temstr.Replace("{", "｛").Replace("}", "｝").Replace(":", "：").Replace(",", "，").Replace("[", "【").Replace("]", "】").Replace(";", "；").Replace("\n", "<br/>").Replace("\r", "");
temstr = temstr.Replace("\t", " ");
temstr = temstr.Replace("'", "\'");
temstr = temstr.Replace(@"\", @"\\");
temstr = temstr.Replace("\"", "\"\"");
return temstr;
} 文章来源：http://www.cnblogs.com/xiachufeng/archive/2010/12/16/1907673.html
转载于:https://www.cnblogs.com/xiao_haun/archive/2011/01/25/1944689.html
标签：JQuery,创建表格,string,Json,jsonString,ToString,dt,数据,Append 来源： https://blog.csdn.net/weixin_30883311/article/details/99059903
本站声明： 1. iCode9 技术分享网（下文简称本站）提供的所有内容，仅供技术学习、探讨和分享； 2. 关于本站的所有留言、评论、转载及引用，纯属内容发起人的个人观点，与本站观点和立场无关； 3. 关于本站的所有言论和文字，纯属内容发起人的个人观点，与本站观点和立场无关； 4. 本站文章均是网友提供，不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属；如您发现该文章侵犯了您的权益，可联系我们第一时间进行删除； 5. 本站为非盈利性的个人网站，所有内容不会用来进行牟利，也不会利用任何形式的广告来间接获益，纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。