Page.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="EntityList.aspx.cs" Inherits="Web.admin.Entity.EntityList" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<script src="../../js/jquery-1.7.min.js" type="text/javascript"></script>
<title></title>
<script>
$(document).ready(function () {
showEntityList();//显示所有列表
//删除
$("#delBtn").bind("click", function () {
$("tbody input:checkbox").each(function () {
if (this.checked) {
//var chk_value = [];
//$('input[name="ckbAll"]:checked').each(function () {
// chk_value.push($(this).val());
// alert(chk_value.push($(this).val()));
//});
//alert(chk_value.length == 0 ? '你还没有选择任何内容！' : chk_value);
var str = document.getElementsByName("ckbAll");
var objarray = str.length;
var chestr = "";
for (i = 0; i < objarray; i++) {
if (str[i].checked == true) {
$.get("EntityHandler.ashx", {
method: "delEntity", id: str[i].value
},
function (resultData) {
//alert(resultData.message);
$(this).parent().parent().remove();
}, "json");
//chestr += str[i].value + ",";
}
}
$(this).parent().parent().remove();
}
});
});
// 全选
$("#ckbAll").bind('click', function () {
if (this.checked) {
$("tbody input:checkbox").each(function () {
this.checked = true;
});
} else {
$("tbody input:checkbox").each(function () {
this.checked = false;
});
}
});
});
//取消
function CleanEntity() {
$("#name").val("");
$("#address").val("");
$("#phone").val("");
$("#person").val("");
}
// 添加
function addEntity() {
if ($.trim($("#name").val()) == 0) {
alert("请输入名称！");
$("#name").focus();
return;
}
if ($.trim($("#num").val()) == 0) {
alert("请输入编码！");
$("#num").focus();
return;
}
if ($.trim($("#address").val()).length == 0) {
alert("请输入地址！");
$("#address").focus();
return;
}
if ($.trim($("#phone").val()).length == 0) {
alert("请输入电话！");
$("#phone").focus();
return;
}
if ($.trim($("#person").val()).length == 0) {
alert("请输入联系人！");
$("#person").focus();
return;
}
$.post("EntityHandler.ashx", {
method: "AddEntity", name: $.trim($("#name").val()), num: $.trim($("#num").val()), address: $.trim($("#address").val()), phone: $.trim($("#phone").val()), person: $("#person").val()
},
function (resultData) {
alert(resultData.message);
}, "json");
}
//查询
function showEntityList() {
$.post("EntityHandler.ashx", { method: "GetDataByName" },
function (data) {
var obj = eval(data);
for (var i = 0; i < obj.length; i++) {
// 创建tr
var $tr = $("<tr></tr>");
// 创建td
var $td1 = $("<td></td>");
var $td2 = $("<td></td>");
var $td3 = $("<td></td>");
var $td4 = $("<td></td>");
var $td5 = $("<td></td>");
var $td6 = $("<td></td>");
var $td7 = $("<td></td>");
// 为td添加文本内容
var $ipt = $("<input/>");
$ipt.attr({ type: "checkbox", name: "ckbAll", value: obj[i].EntityId });
$td1.append($ipt);
$td2.text(obj[i].EntityName);
$td3.text(obj[i].EntityNum);
$td4.text(obj[i].EntityAddress);
$td5.text(obj[i].EntityPhone);
$td6.text(obj[i].EntityPerson);
$td7.text(obj[i].EntityState);
$tr.append($td1).append($td2).append($td3).append($td4).append($td5)
.append($td6).append($td7);
$tr.find("td").each(function (i) {
if (i == 0) {
} else {
$(this).bind("dblclick", function () {
var $td = $(this);
if ($td.children("input").length > 0) {
return false;
}
var $input = $("<input type='text'/>");
var yval = $td.text();
$input.attr("value", yval);
$td.html("");
$td.append($input);
$input.keyup(function (event) {
var key = event.which;
if (key == 13) {
$td.html($input.val());
} else if (key == 27) {
$td.html(yval);
}
});
});
}
});
$("#showUsers").append($tr);
}
}, "json");
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div align="center">
<div>
名称:
<input type="text" name="name" id="name" />
<br />
编号:
<input type="text" name="num" id="num" />
<br />
地址:
<input type="text" name="address" id="address" />
<br />
联系电话:
<input type="text" name="phone" id="phone" />
<br />
联系人:
<input type="text" name="person" id="person" />
<br />
<br /><br />
<input type="button" value="添加" id="addUser" onclick="addEntity()" />
<input type="button" value="取消" id="btnQX" onclick="CleanEntity()" />
</div>
<div>
<input type="button" value="删除所选" id="delBtn"/>
<table border="1px" cellpadding="0" cellspacing="0">
<thead>
<tr>
<th>
<input type="checkbox" id="ckbAll" name="ckbAll"/>
</th>
<th>
名称
</th>
<th>
编号
</th>
<th>
地址
</th>
<th>
联系电话
</th>
<th>
联系人
</th>
<th>
状态
</th>
</tr>
</thead>
<tbody id="showUsers">
</tbody>
</table>
</div>
</div>
</form>
</body>
</html>
EntityHandler.ashx
using Newtonsoft.Json;
using PQWeb.Forum;
using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Linq;
using System.Text;
using System.Web;
namespace Web.admin.Entity
{
/// <summary>
/// EntityHandler 的摘要说明
/// </summary>
public class EntityHandler : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
//context.Response.ContentType = "text/plain";
//context.Response.Write("Hello World");
string method = context.Request["method"];
if (!string.IsNullOrEmpty(method))
{
switch (method)
{
case "AddEntity": AddEntity(context); return;
case "GetDataByName": GetDataByName(context); return;
case "delEntity": delEntity(context); return;
}
}
}
/// <summary>
/// 删除
/// </summary>
/// <param name="context"></param>
private void delEntity(HttpContext context)
{
context.Response.ContentType = "application/json";
string resultData = "{{\"error\":{0},\"message\":\"{1}\"}}";
if (context.Request["id"] == "on")
{
return;
}
if (EntityForum.delEntity(int.Parse(context.Request["id"])) > 0)
{
context.Response.Write(string.Format(resultData, 0, "删除成功！"));
}
else
{
context.Response.Write(string.Format(resultData, -1, "删除失败！"));
}
}
/// <summary>
/// 添加
/// </summary>
/// <param name="context"></param>
private void AddEntity(HttpContext context)
{
context.Response.ContentType = "application/json";
string resultData = "{{\"error\":{0},\"message\":\"{1}\"}}";
int cont=EntityForum.ExistEntity(context.Request["name"]);
if (cont == 0)
{
string name = context.Request["name"];
string num = context.Request["num"];
string address = context.Request["address"];
string phone = context.Request["phone"];
string person = context.Request["person"];
string state = "0";
bool result = EntityForum.AddEntity(name,num, address, phone, person, state);
if (result == true)
{
context.Response.Write(string.Format(resultData, 0, "添加成功！"));
}
else
{
context.Response.Write(string.Format(resultData, -1, "error"));
}
}
else
{
context.Response.Write(string.Format(resultData, -1, "添加失败已存在！"));
}
}
/// <summary>
/// 获取列表
/// </summary>
/// <param name="context"></param>
private void GetDataByName(HttpContext context)
{
//context.Response.ContentType = "text/html";
context.Response.ContentType = "application/json";
DataTable dt =EntityForum.GetEntity().Tables[0];
string[] resultData = new string[0];
int i = 0;
if (dt.Columns.Count > 0)
{
string data = ToJson(dt);
context.Response.Write(data);
}
else
{
context.Response.Write("{\"error\":-1}");
}
}
/// <summary>
/// dataTable转JSON
/// </summary>
/// <param name="atable_data"></param>
/// <returns></returns>
public string ToJson(DataTable atable_data)
{
string s_jsonstring = string.Empty;
//参数检测
if (atable_data == null)
return s_jsonstring;
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
using (JsonWriter jw = new JsonTextWriter(sw))
{
JsonSerializer ser = new JsonSerializer();
jw.WriteStartArray();
foreach (DataRow dr in atable_data.Rows)
{
jw.WriteStartObject();
foreach (DataColumn dc in atable_data.Columns)
{
jw.WritePropertyName(dc.ColumnName);
ser.Serialize(jw, dr[dc].ToString());
}
jw.WriteEndObject();
}
jw.WriteEndArray();
sw.Close();
jw.Close();
}
return sb.ToString();
}
public bool IsReusable
{
get
{
return false;
}
}
}
}
DataTable 转 JSON ， 并输出到前台. （Newtonsoft.dll）