jQuery动态增删改查表格信息，可左键/右键提示

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>jQuery 动态增删表格</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="Content-Language" content="zh-CN" />
<script type="text/javascript" src="http://files.cnblogs.com/Zjmainstay/jquery-1.6.2.min.js"></script>
</head>
<body>
<script type="text/javascript">
$(document).ready(function(){
var addToTrTop = 10;
var addToTrLeft = 534;
var addToTdLeft = 60; //若设置addToTdLeft则addToTrLeft失效
var preEdit = null;
var inputData = '<input id="tmpEditor" type="text" value="?"></input>';
var bindListening = function(){
console.log('bind'); //记录绑定调用
//表格点击响应
$("td").unbind().click(function(){
if($(this).hasClass('search')) return false;
var tdData = $("#tmpEditor").val();
if( !$(this).parent().hasClass('editting')) {
preEdit&&preEdit.empty().html($.trim(tdData));
preEdit = null;
$("#tmpEditor").parent().empty().html($("#tmpEditor").val());
$(".editting").removeClass('editting');
}else if( preEdit && (preEdit.parent().children().index($(preEdit)) != $(this).parent().children().index($(this))) ){
preEdit.empty().html($.trim(tdData));
preEdit = null;
}else{
if(!$("#tmpEditor").val()) {
preEdit = $(this);
var tdData = $(this).html();
$(this).empty().append(inputData.replace('?',tdData));
$("#tmpEditor").focus();
}
}
if(!$(this).parent().hasClass('editting')){
if(!addToTdLeft){
var offsetLeft = (parseInt($(this).parent().offset().left)+addToTrLeft);
}else {
var offsetLeft = (parseInt($(this).offset().left)+addToTdLeft);
}
var tipStyle = 'top:'+(parseInt($(this).offset().top)+addToTrTop)+'px;left:'+offsetLeft+'px;';
$("#clickTips").attr('style',tipStyle).show();
}
});

//向上增加一行
$("#addUp").unbind().click(function(){
doAddTrData($(this),'up');
bindListening();
});

//向下增加一行
$("#addDown").unbind().click(function(){
doAddTrData($(this),'down');
bindListening();
});

//删除当前行
$("#delete").unbind().click(function(){
doDeleteTrData($(this),'delete');
});

//编辑当前行
$("#edit").unbind().click(function(){
doEditTrData($(this),'edit');
});

//查询操作
$("#searchButton").click(function(){
$("#clickTips").hide();
var trs = $("#tableContainer").find("tr");
var tdLength = trs.eq(0).children('td').length;
var pattern = '';
for(var i=0;i<tdLength;i++){
pattern += '[^,]*'+trs.eq(1).find('input').eq(i).val()+'[^,]*,';
}
pattern = pattern.substr(0,pattern.length-1); //删除末尾逗号
pattern = new RegExp(pattern); //转成正则表达式
var stringObject = [];
for(var i=2;i<trs.length;i++){
stringObject[i] = '';
for(var j=0;j<tdLength;j++){
stringObject[i] += trs.eq(i).find('td').eq(j).html()+',';
}
stringObject[i] = stringObject[i].substr(0,stringObject[i].length-1).toString();
}
for(var i=2;i<trs.length;i++){
if(stringObject[i].search(pattern)) {
trs.eq(i).hide();
}else{
trs.eq(i).show();
}
}
});

$("#clearSearchButton").click(function(){
$("#clickTips").hide();
$(".search input[type=text]").val('');
$("tr:gt(0)").show();
})

var addTrData = $("tr:first").clone(true).attr('class','newAdd');
var getIndex = function(clickedTd,type){
var fields = $("tr");
var addIndex = -1;
for(var i=1;i<fields.length;i++){
var tipStyle = clickedTd.parent().attr('style');
var topValue = 'top: '+(parseInt(fields.eq(i).offset().top)+addToTrTop);
var ie_topValue = 'top: '+(parseInt(fields.eq(i).offset().top)+(addToTrTop-2));
if((tipStyle.indexOf(topValue) != -1) || (tipStyle.indexOf(ie_topValue) != -1)) {
switch(type.toLowerCase()){
case 'up':
addIndex = i-1;
break;
case 'down':
case 'edit':
case 'delete':
addIndex = i;
break;
}
}
}
return addIndex;
}

var doAddTrData = function(clickedTd,type){
if(getIndex(clickedTd,type) == -1) return false;
else {
var index=getIndex(clickedTd,type);
}
$("table tr").eq(index).after(addTrData);
setTimeout('$(".newAdd").attr("class",null)',1000);
$("#clickTips").hide();
return false;
}

var doDeleteTrData = function(clickedTd,type){
if(getIndex(clickedTd,type) == -1) return false;
else {
var index=getIndex(clickedTd,type);
}
$("table tr").eq(index).remove();
$("#clickTips").hide();
return false;
}