<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<script type="text/javascript">
window.onload = function () {
//注册btn事件
document.getElementById("btnPost").onclick = function () {
var txtTitle = document.getElementById("txtTitle").value;
var txtContent = document.getElementById("txtContent").value;
var txtEmail = document.getElementById("txtEmail").value;
var xhr = null;
if (typeof (XMLHttpRequest) != undefined) {
xhr = new XMLHttpRequest();
}
else {
xhr = new ActiveXObject("Microsoft.XMLHttp");
}
xhr.onreadystatechange = function () {
if (xhr.readyState == 4 && xhr.status == 200) {
var tent = JSON.parse(xhr.responseText);
if (tent.IsOK == "1") {
document.getElementById("fontMsg").innerHTML = "评论成功！";
document.getElementById("fontMsg").color = "green";
//动态添加数据到页面显示
var tbody = document.getElementById("tbody1");
var trobj = tbody.insertRow(-1);
trobj.insertCell(-1).innerHTML = tent.autoId; //编号
trobj.insertCell(-1).innerHTML = txtTitle; //标题
trobj.insertCell(-1).innerHTML = txtContent; //内容
trobj.insertCell(-1).innerHTML = txtEmail; //邮箱
}
else if (tent.IsOK == "0") {
document.getElementById("fontMsg").innerHTML = "评论失败！";
document.getElementById("fontMsg").color = "red";
}
}
};
xhr.open("Post", "AddComments.ashx", true);
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhr.send("title=" + txtTitle + "&content=" + txtContent + "&email=" + txtEmail);
};
//加载评论
var xhr = null;
if (typeof (XMLHttpRequest) != undefined) {
xhr = new XMLHttpRequest();
}
else {
xhr = new ActiveXObject("Microsoft.XMLHttp");
}
xhr.onreadystatechange = function () {
if (xhr.readyState == 4 && xhr.status == 200) {
var Comments = JSON.parse(xhr.responseText);
var tbody = document.getElementById("tbody1");
for (var i = 0; i < Comments.length; i++) {
var trobj = tbody.insertRow(-1);
trobj.insertCell(-1).innerHTML = Comments[i].autoId;
trobj.insertCell(-1).innerHTML = Comments[i].title;
trobj.insertCell(-1).innerHTML = Comments[i].content;
trobj.insertCell(-1).innerHTML = Comments[i].email;
}
}
};
xhr.open("Get", "GetComments.ashx", true);
xhr.send(null);
};
</script>
</head>
<body>
评论：<br />
<table border="1">
<tr>
<td>标题：</td>
<td><input type="text" id="txtTitle" value="" /></td>
</tr>
<tr>
<td>内容：</td>
<td><input type="text" id="txtContent" value="" /></td>
</tr>
<tr>
<td>邮箱：</td>
<td><input type="text" id="txtEmail" value="" /></td>
</tr>
<tr>
<td></td>
<td><input type="button" id="btnPost" value="评论" /><font id="fontMsg"></font></td>
</tr>
</table>
<p>=========================================================</p>
<table>
<tr>
<td>编号：</td>
<td>标题：</td>
<td>内容：</td>
<td>邮箱：</td>
</tr>
<tbody id="tbody1"></tbody>
</table>
</body>
</html>
一般处理程序:
using MyPerson.BLL;
using MyPerson.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Script.Serialization;
namespace MyPerson.UI.Ajax
{
/// <summary>
/// AddComments 的摘要说明
/// </summary>
public class AddComments : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
if (context.Request["title"] != null && context.Request["content"] != null && context.Request["email"] != null)
{
TblComments model = new TblComments();
model.title = context.Request["title"];
model.content = context.Request["content"];
model.email = context.Request["email"];
int n = new CommentsBll().AddComment(model);
string json = new JavaScriptSerializer().Serialize(new { autoId = n, IsOK = n > 0 ? 1 : 0 }); //匿名类
context.Response.Write(json);
}
}
public bool IsReusable
{
get
{
return false;
}
}
}
}
jquery版：
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<script src="../Scripts/jquery-1.7.1.js"></script>
<script type="text/javascript">
$(function () {
//注册btn事件
$("#btnPost").click(function () {
var txtTitle = $("#txtTitle").val();
var txtContent = $("#txtContent").val();
var txtEmail = $("#txtEmail").val();
$.getJSON("AddComments.ashx", { "title": txtTitle, "content": txtContent, "email": txtEmail }, function (_data) {
if (_data.IsOK == "1") {
$("#fontMsg").html("评论成功！");
$("#fontMsg").css("color", "green");
//动态添加数据到页面显示
var tr = $("<tr><td>" + _data.autoId + "</td><td>" + txtTitle + "</td><td>" + txtContent + "</td><td>" + txtEmail + "</td></tr>");
$("#tbody1").append(tr);
}
else if (_data.IsOK == "0") {
$("#fontMsg").html("评论失败！");
$("#fontMsg").css("color", "red");
}
});
});
//加载评论
$.getJSON("GetComments.ashx", null, function (_data) {
$.each(_data, function (key, value) {
var tr = $("<tr><td>" + value.autoId + "</td><td>" + value.title + "</td><td>" + value.content + "</td><td>" + value.email + "</td></tr>");
$("#tbody1").append(tr);
});
});
});
</script>
</head>
<body>
评论：<br />
<table border="1">
<tr>
<td>标题：</td>
<td><input type="text" id="txtTitle" value="" /></td>
</tr>
<tr>
<td>内容：</td>
<td><input type="text" id="txtContent" value="" /></td>
</tr>
<tr>
<td>邮箱：</td>
<td><input type="text" id="txtEmail" value="" /></td>
</tr>
<tr>
<td></td>
<td><input type="button" id="btnPost" value="评论" /><font id="fontMsg"></font></td>
</tr>
</table>
<p>=========================================================</p>
<table>
<tr>
<td>编号：</td>
<td>标题：</td>
<td>内容：</td>
<td>邮箱：</td>
</tr>
<tbody id="tbody1"></tbody>
</table>
</body>
</html>
时间： 2024-10-07 05:16:11