ajax|原创.AjaxSearchClientScript.js
var tbPanel = null; //用于展示组合条件的表控件
var tableName = null; //记录查询的表
var fieldsInfo = null; //保存从服务端取得的对应表的字段信息
var no = 0; //为防止出现重复id保存的计数器
//添加条件编辑行
function addTerm(tbPanelId)
{
tbPanel = document.getElementById(tbPanelId);
if(tableName == null) tableName = document.getElementById("transValue").value;
// 添加一待填模板行
var row = tbPanel.insertRow();
no++;
row.id = "row"+no;
//*****************************step 1:添加字段选择部分*****************************
var cell = row.insertCell();
var fieldInputId = "field"+row.id;
var newElement = document.createElement("<SELECT ID='"+fieldInputId+"' onchange='javascript:getOpts("+row.id+");getInput("+row.id+")'></SELECT>");
cell.insertBefore(newElement);
//取出字段信息,首次从服务端取得
if(fieldsInfo == null)
{
fieldsInfo = WebUI.AjaxSearchSystem.AjaxSearchMethod.GetFields(tableName.toString()).value;
}
//分解字段信息，格式为“字段中文名|字段名”
var fieldsInfoLen;
var i,index;
var fieldValue;
fieldsInfoLen = fieldsInfo.length
for(i=0;i<fieldsInfoLen;i++)
{
fieldValue = fieldsInfo[i];
index = fieldValue.indexOf("|");
newElement.options[newElement.options.length] = new Option(fieldValue.substring(0,index),fieldValue.substring(index+1,fieldValue.length));
}
//*****************************step 2:提取默认（首个）字段对应的运算符*************
cell = row.insertCell();
var optInputId = "opt" +row.id;
newElement = document.createElement("<SELECT ID='"+optInputId+"' 88px'></SELECT>");
cell.insertBefore(newElement);
getOpts(row);
//*****************************step 3:设置字段条件值的录入（选择）框***************
getInput(row);
//*****************************step 4:生成连接条件选择框***************************
cell = row.insertCell();
var relateInputId = "relate"+row.id;
newElement = document.createElement("<SELECT ID='"+relateInputId+"'></SELECT>");
cell.insertBefore(newElement);
newElement.options[newElement.options.length] = new Option("并且","And");
newElement.options[newElement.options.length] = new Option("或者","Or");
//*****************************step 5:生成删除当前行按纽***************************
cell = row.insertCell();
var deleteBtnId = "delete"+row.id;
newElement = document.createElement("<INPUT ID='"+deleteBtnId+"' type='Button' class='redButtonCss' value='删除' onclick='javascript:DelRow("+row.id+")'>");
cell.insertBefore(newElement);
//*****************************step 6:生成增加下一行按纽***************************
cell = row.insertCell();
var addBtnId = "add"+row.id;
newElement = document.createElement("<INPUT ID='"+addBtnId+"' type='Button' class='redButtonCss' value='新增' onclick='javascript:addRow("+row.id+")'>");
cell.insertBefore(newElement);
}
//取得并设置运算符
function getOpts(row)
{
var rowId = row.id;
var fieldSelId = "field"+rowId;
var field = document.getElementById(fieldSelId);
var elemID = "opt"+rowId;
var element = document.getElementById(elemID);
var optInfo = WebUI.AjaxSearchSystem.AjaxSearchMethod.GetOpts(tableName.toString(),field.value).value;
var optValue;
var j,index;
//先移除原有项
while (element.options.length > 0)
{
element.options.remove(element.options.length-1);
}
for(j=0;j<optInfo.length;j++)
{
optValue = optInfo[j];
index = optValue.indexOf("|");
element.options[element.options.length] = new Option(optValue.substring(0,index),optValue.substring(index+1,optValue.length));
}
}
//设置值录入控件,取得可能存在的枚举值
function getInput(row)
{
var rowId = row.id;
var fieldSelId = "field"+rowId;
var field = document.getElementById(fieldSelId);
var inputId = "input"+rowId;
var inputElement = document.getElementById(inputId);
if (inputElement != null)
{
row.deleteCell(2);
}
//获取可能存在的枚举值
var enums = WebUI.AjaxSearchSystem.AjaxSearchMethod.GetEnums(tableName.toString(),field.value).value;
var oCell;
if (enums.length <= 1)//不存在枚举值，使用text
{
var elementSyntax = "<INPUT ID='"+elemID+"' type='text' 144px'>";
oCell = row.insertCell(2);
var elemID = "input"+rowId;
switch(enums[0])
{
case "int":
elementSyntax = "<INPUT ID='"+elemID+"' type='text' 144px' onKeyPress='javascript:return controlNumberKeyPress(this)' onKeyUp='return controlNumberOnKeyUp(this)' return !clipboardData.getData(\"text\").match(/\D/);'>"
break;
case "decimal":
elementSyntax = "<INPUT ID='"+elemID+"' type='text' 144px' onKeyPress='javascript:return controlMoneyKeyPress(this)' onKeyUp='return controlMoneyOnKeyUp(this,10,4)' return !clipboardData.getData(\"text\").match(/\D/);'>"
break;
case "datetime":
elementSyntax = "<INPUT ID='"+elemID+"' type='text' 144px' >"
break;
default:
elementSyntax = "<INPUT ID='"+elemID+"' type='text' 144px'>"
break;
}
var oNewItem = document.createElement(elementSyntax);
oCell.insertBefore(oNewItem);
}
else //存在枚举值，使用select
{
oCell = row.insertCell(2);
var elemID = "input"+rowId;
var oNewItem = document.createElement("<SELECT ID='"+elemID+"' 144px'></SELECT>");
oCell.insertBefore(oNewItem);
var enumValue;
var j,index;
var element = document.getElementById(elemID);
for(j=1;j<enums.length;j++)
{
enumValue = enums[j];
index = enumValue.indexOf("|");
element.options[element.options.length] = new Option(enumValue.substring(0,index),enumValue.substring(index+1,enumValue.length));
}
}
//用于值的数据类型
var fieldType= document.createElement("<INPUT id='type"+rowId+"'type='hidden'>");
oCell.insertBefore(fieldType);
document.getElementById("type"+rowId).value = enums[0];
}
//删除当前行
function DelRow(row)
{
var rowOfIndex = row.rowIndex;
if(tbPanel.rows.length == 1)
{
return
}
else if (rowOfIndex == tbPanel.rows.length-1)
{
//删除最后一行时，保持增加按纽在最后一行
var cell = tbPanel.rows[rowOfIndex-1].insertCell();
var addBtnId = "add"+tbPanel.rows[rowOfIndex-1].id;
newElement = document.createElement("<INPUT ID='"+addBtnId+"' type='Button' class='redButtonCss' value='新增' onclick='javascript:addRow("+tbPanel.rows[rowOfIndex-1].id+")'>");
cell.insertBefore(newElement);
}
tbPanel.deleteRow(rowOfIndex);
}
//新增行
function addRow(row)
{
row.deleteCell(5);
addTerm(tbPanel.id);
}
//得到组合条件
function getCombinTerm()
{
var lenOfRows = tbPanel.rows.length;
var i=0;
var combinTerm = "";
var field="",opt="",inputValue="",jointMode="",fieldType="";
for(i=0;i<lenOfRows;i++)
{
field = tbPanel.rows[i].cells[0].childNodes[0].value;
opt = tbPanel.rows[i].cells[1].childNodes[0].value;
inputValue = tbPanel.rows[i].cells[2].childNodes[0].value;
//判断字段类型
fieldType =tbPanel.rows[i].cells[2].childNodes[1].value;
switch(fieldType)
{
case "char":
if (inputValue == ""|| inputValue == null)
{
if(opt.toLowerCase() == "like" || opt.toLowerCase() == "not like")
{
inputValue = "'%%'";
}
else
{
inputValue = "''";
}
}
else
{
if(opt.toLowerCase() == "like" || opt.toLowerCase() == "not like")
{
inputValue = "'%"+inputValue+"%'"
}
else
{
inputValue = "'"+inputValue+"'"
}
}
break;
case "int":
if (inputValue == ""|| inputValue == null) inputValue = 0;
break;
case "decimal":
if (inputValue == ""|| inputValue == null) inputValue = 0;
break;
case "datetime":
if (inputValue == ""|| inputValue == null)
{
inputValue = "''";
}
else
{
inputValue = "'"+inputValue+"'"
}
break;
default:
break;
}
//拼接条件
combinTerm += " "+tableName+"."+field + " " + opt + " " + inputValue;
if (i<lenOfRows-1)
{
jointMode = tbPanel.rows[i].cells[3].childNodes[0].value;
combinTerm += " " + jointMode
}
}
document.getElementById("transValue").value = combinTerm;
//return combinTerm;
}
//
var oldValue = "";
var MONEY_FLAG = "";
var THOUSAND_FLAG = ",";
function controlNumberKeyPress(textbox)
{
oldValue = textbox.value.replace(MONEY_FLAG,'');
return /\d/.test(String.fromCharCode(event.keyCode))||(textbox.value.indexOf('+')<0?String.fromCharCode(event.keyCode)=="+":false);
}
//
function controlMoneyKeyPress(textbox)
{
var val = textbox.value.replace(MONEY_FLAG,'');
if(isNumber(event.keyCode))
{
return true;
}
if (textbox.value.indexOf('+') < 0)
{
if ( String.fromCharCode(event.keyCode)=="+" && val.length < 1)
return true;
}
if ( textbox.value.indexOf('.') < 0)
{
if (String.fromCharCode(event.keyCode)==".")
return true;
}
return false;
}
//控制金额录入keyUp事件
function controlNumberOnKeyUp(textbox)
{
//处理"后退"键
//alert(event.keyCode);
if (event.keyCode == 8)
{
return true;
}
if (String.fromCharCode(event.keyCode) != '\t' && event.keyCode != 13)
{
if( !/\d/.test(String.fromCharCode(event.keyCode)) &&
event.keyCode != 190/**//* 如果录入"."则不执行 */ )
{
//textbox.value = "";
textbox.value = oldValue;
oldValue = textbox.value;
return false;
}
}
return true;
}
//控制金额录入keyUp事件
function controlMoneyOnKeyUp(textbox, intBit , dotBit)
{
//处理"后退"键
if (event.keyCode == 8)
{
if (textbox.value.indexOf(MONEY_FLAG) < 0)
{
textbox.value = MONEY_FLAG + textbox.value;
}
return true;
}
if (String.fromCharCode(event.keyCode) != '\t' && event.keyCode != 13)
{
if( ! isNumber (event.keyCode) &&
event.keyCode != 190/**//* 如果录入"."则不执行 */ )
{
//textbox.value = "";
textbox.value = MONEY_FLAG + oldValue;
oldValue = textbox.value.replace(MONEY_FLAG,"");
return false;
}
textbox.value = MONEY_FLAG + textbox.value.replace(MONEY_FLAG,'');
var val = textbox.value;
var dotBehind = "";
val = val.replace(MONEY_FLAG,'').replace(/\,/g,'');
var iIndex = val.indexOf('.');
if (iIndex > 0)
{
var valDot = val.substring(val.indexOf('.') + 1,val.length);
if (iIndex > intBit)
{
val = val.substring(0,intBit);
}
if (valDot.length > dotBit)
{
textbox.value = addThousandFlag(val.substring(0,val.indexOf('.'))) + '.' + valDot.substring(0,dotBit);
return;
}
dotBehind = val.substring(val.indexOf('.'),val.length);
val = val.substring(0,val.indexOf('.'));
}
else if (val.length >= intBit)
{
if (val.length > intBit)
{
val = val.substring(0,intBit);
val = addThousandFlag(val);
}
textbox.value = val + '.';
return;
}
//val = noOtherInfoNumber;
textbox.value = addThousandFlag(val) + dotBehind;
}
}
//添加千分位号
function addThousandFlag(val)
{
var strTemp = MONEY_FLAG;
if (val.length < 4)
{
return MONEY_FLAG + val;
}
var flag = false;
if (val.length % 3 != 0)
{
strTemp += val.substring(0,(val.length % 3));
}
else
flag = true;
for(var i = val.length; i > 0; i = i - 1)
{
if (i % 3 != 0)
{
continue;
}
if (flag)
{
strTemp += val.substring(val.length - i,val.length - i + 3);
flag = false;
}
else
{
strTemp += THOUSAND_FLAG + val.substring(val.length - i,val.length - i + 3);
}
}
if (strTemp.indexOf(MONEY_FLAG) > 0)
{
strTemp = MONEY_FLAG + strTemp.replace(/￥/g,'');
}
return strTemp;
}
//判断是否是数字
function isNumber(param)
{
return /\d/.test(String.fromCharCode(param)) || (param >= 96 && param <= 105);//加上小键盘处理
} 4.AjaxSeachPage.aspx <% Page language="c#" Codebehind="AjaxSeachPage.aspx.cs" AutoEventWireup="false" Inherits="WebUI.AjaxSearchSystem.AjaxSeachPage" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>查询条件</title>
<meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
<meta content="C#" name="CODE_LANGUAGE">
<meta content="JavaScript" name="vs_defaultClientScript">
<meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
<base target="_self">
<LINK href="BasicStyle.css" type="text/css" rel="stylesheet">
<script language="javascript" src="AjaxSearchClientScript.js">
</script>
<script language="javascript" src="Calendar.js"></script>
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<TABLE id="Table1" 101; LEFT: 0px; POSITION: absolute; TOP: 0px" cellSpacing="0"
cellPadding="0" width="100%" border="0">
<TR>
<TD 23px" align="center"><asp:button id="btnOK" runat="server" CssClass="redButtonCss" Text="确定"></asp:button><INPUT class="redButtonCss" type="button" value="取消" >
</TD>
</TR>
<TR>
<TD align="center">
<TABLE id="tbPanel" cellSpacing="0" borderColorDark="aliceblue" cellPadding="0" border="1">
</TABLE>
</TD>
</TR>
<TR>
<TD align="center"></TD>
</TR>
</TABLE>
<INPUT id="transValue" 102; LEFT: 8px; POSITION: absolute; TOP: 64px" type="hidden"
name="Hidden1" runat="server">
</form>
</body>
</HTML>
AjaxSeachPage.aspx.cs
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Text;
namespace WebUI.AjaxSearchSystem
{
/// <summary>
/// AjaxSeachPage 的摘要说明。
/// </summary>
public class AjaxSeachPage : System.Web.UI.Page
{
protected System.Web.UI.HtmlControls.HtmlInputHidden transValue;
protected System.Web.UI.WebControls.Button btnOK;
public const string SEARCH_WHERE_SESSION = "SearchWhere";
private void Page_Load(object sender, System.EventArgs e)
{
if (!IsPostBack)
{
try
{
//tableName.Value = Request.QueryString["table"].Trim();
transValue.Value = "employee";
}
catch(NullReferenceException ee)
{
throw new ArgumentOutOfRangeException("table","参数不正确，请传入预先定义的表名");
}
AjaxPro.Utility.RegisterTypeForAjax(typeof(AjaxSearchMethod));
this.btnOK.Attributes.Add("OnClick","getCombinTerm()");
}
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.btnOK.Click += new System.EventHandler(this.btnOK_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void btnOK_Click(object sender, System.EventArgs e)
{
Session[SEARCH_WHERE_SESSION] = transValue.Value.Trim();
Response.Write(ClosePage());
}
private string ClosePage()
{
StringBuilder js = new StringBuilder();
js.Append("<script language=\"JavaScript\">");
js.Append("window.close();");
js.Append("</script>");
return js.ToString();
}
}
}
运行效果：
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请大家提出宝贵意见，在此感谢我的同事 提供的帮助！感谢日历控件提供者meizz
发布一个原创的基于Ajax的通用(组合)查询(续)
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