125 lines
4.1 KiB
Plaintext
125 lines
4.1 KiB
Plaintext
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Dbup_20161024.aspx.cs"
|
||
Inherits="Song.Site.Check.Dbup_20161024" %>
|
||
|
||
<!DOCTYPE html>
|
||
<html>
|
||
<head runat="server">
|
||
<title>试题结构升级</title>
|
||
<style type="text/css">
|
||
#form1
|
||
{
|
||
width: 640px;
|
||
}
|
||
.tit
|
||
{
|
||
font-size: 22px;
|
||
margin-bottom: 10px;
|
||
font-weight: bold;
|
||
font-family: "黑体" , "微软雅黑";
|
||
color: #000;
|
||
}
|
||
*, dd, div
|
||
{
|
||
font-size: 14px;
|
||
line-height: 22px;
|
||
}
|
||
#dl3
|
||
{
|
||
color: #060;
|
||
display: none;
|
||
}
|
||
#loading
|
||
{
|
||
color: Red;
|
||
}
|
||
</style>
|
||
<script type="text/javascript" src="/Utility/CoreScripts/jquery.js"></script>
|
||
</head>
|
||
<body>
|
||
<form id="form1" runat="server">
|
||
<div class="tit">
|
||
试题结构升级
|
||
</div>
|
||
<div>
|
||
说明：<br />
|
||
原试题结构，试题题干与选项是分开存放的。<br />
|
||
这种设计符合数据库设计范式，但执行效率偏低。<br />
|
||
偏低的原因是因为，当抽取试题后，还要再分步取试题选项内容。<br />
|
||
例如一个试卷有一百道题，那么加载试题时，会读取数据库101次。
|
||
</div>
|
||
<hr />
|
||
<div id="loading" style="display: none">
|
||
正在升级中，请稍候……</div>
|
||
<div>
|
||
<dl>
|
||
<dt>第一步，升级数据库结构</dt>
|
||
<dd>
|
||
此举为调整试题的数据库结构</dd>
|
||
<dd>
|
||
<input type="button" name="btnStruct" value="升级数据库结构" id="btnStruct" />
|
||
</dd>
|
||
</dl>
|
||
<dl>
|
||
<dt>第二步，整理试题数据</dt>
|
||
<dd>
|
||
此举将原来的试题数据整理成新的格式</dd>
|
||
<dd>
|
||
<input type="button" name="btnDataTras" value="开始升级" id="btnDataTras" />
|
||
</dd>
|
||
<dd>
|
||
进度：共有试题 <span id="ltSumCount">0</span> 道，正在处理第 <span id="ltCurr">0</span> 道</dd>
|
||
</dl>
|
||
<dl id="dl3">
|
||
<dt>第三步，完成</dt>
|
||
<dd>
|
||
升级完成！</dd>
|
||
<dd>
|
||
</dd>
|
||
</dl>
|
||
</div>
|
||
</form>
|
||
<script type="text/javascript">
|
||
$("input[type=button]").click(function () {
|
||
var name = $(this).attr("name");
|
||
var func = eval(name + "_click");
|
||
$("#loading").show();
|
||
func(name);
|
||
});
|
||
//修改结构
|
||
function btnStruct_click(action) {
|
||
$.post(window.location.href, { action: action }, function (requestdata) {
|
||
if (requestdata == "1") {
|
||
alert("数据库结构升级完成！");
|
||
} else {
|
||
alert(requestdata);
|
||
}
|
||
$("#loading").hide();
|
||
});
|
||
}
|
||
//升级数据
|
||
function btnDataTras_click(action) {
|
||
var size = 100; //每页取多少条
|
||
var index = 1; //索引页
|
||
var sumcount = 0; //总记录数
|
||
btnDataTras_click_request(size, index, sumcount,0, action);
|
||
}
|
||
function btnDataTras_click_request(size, index, sumcount,orgid, action) {
|
||
index = size * index < sumcount ? ++index : index;
|
||
$.post(window.location.href, { size: size, index: index, orgid: orgid, action: action }, function (requestdata) {
|
||
var data = eval("(" + requestdata + ")");
|
||
sumcount = data.sumcount;
|
||
orgid = data.orgid;
|
||
$("#ltSumCount").html(sumcount);
|
||
$("#ltCurr").html(size * index);
|
||
if (size * index >= sumcount) {
|
||
alert("试题数据升级完成");
|
||
$("#loading").hide();
|
||
} else {
|
||
btnDataTras_click_request(size, index, sumcount, orgid, action);
|
||
}
|
||
});
|
||
}
|
||
</script>
|
||
</body>
|
||
</html>
|