自己使用jquery-easyui编写的简单通用查询，字段类型未做判断，以后完善。
search.html代码如下：
通用查询 打开高级检索 关闭高级检索
search.js代码如下：
var colFilter = [['col1','字段1','n'],['col2','字段2','s'],['col3','字段3','s'],['col4','字段4','s'],['col5','字段5','s'],['col6','字段6','d'],['col7','字段7','s']]
var opFilter = [['=','等于'],['<','小于'],['<=','小于等于'],['>','大于'],['>=','大于等于'],['<>','不等于'],['like','近似于']];
var logicFilter = [['and','并且'],['or','或者']];
var contentId = 0;
function findData() {
where = " where (";
var colname = "";
var coltype = "";
var colRealname = "";
var opname = "";
var text = "";
var logicname = "";
for(var i = 0 ; i < contentId ; i++) {
if($('#checkbox'+i)[0] == undefined)
continue;
if($('#text'+i)[0].value == "") {
$.messager.alert('提示', '请填写查询内容', 'info');
return;
}
colname = $('#col'+i)[0].value;
opname = $('#op'+i)[0].value;
text = $('#text'+i)[0].value;
if(opname == "like") {
text = "%"+text+"%";
}
logicname = $('#logic'+i)[0].value;
coltype = getColType(colname);
colRealname = getColRealname(colname);
switch(coltype) {
case "s":
where += colname + " " + opname + " '" + text + "' " + logicname + " ";
break;
case "n":
if(opname != "like") {
text = parseInt($('#text'+i)[0].value);
if(isNaN(text)) {
$.messager.alert('提示',colRealname+'应输入数字','info');
return;
}
where += colname + " " + opname + " " + text + " " + logicname + " ";
} else {
where += colname + " " + opname + " '" + text + "' " + logicname + " ";
}
break;
case "d":
where += "to_date(to_char(" + colname + ",'yyyy-MM-dd'),'yyyy-MM-dd') " + opname + " to_date('" + text + "','yyyy-MM-dd') " + logicname + " ";
break;
default:
$.messager.alert('提示','出现未知数据类型','info');
return;
}
}
where += "1=1)";
alert(where);
closeDiv();
}
function getColType(col) {
for(var i = 0 ; i < colFilter.length ; i++) {
if(colFilter[i][0] == col) {
return colFilter[i][2];
}
}
return undefined;
}
function getColRealname(col) {
for(var i = 0 ; i < colFilter.length ; i++) {
if(colFilter[i][0] == col) {
return colFilter[i][1];
} else {
return undefined;
}
}
}
function addFilter() {
var html = '';
html += '';
html += '';
html += ' ';
html += '';
html += '';
html += ' ';
html += '';
html += '';
html += ' ';
html += '';
html += '';
html += ' ';
html += '';
html += '';
html += ' ';
html += ' ';
$('#filterContent').append(html);
$('#op'+contentId).attr('value','like');
if(getColType($('#col'+contentId)[0].value) == "n") {
$('#text'+contentId).bind("keypress",function(sender) {
if(isNaN(parseInt(String.fromCharCode(sender.keyCode)))) {
$.messager.alert('提示','请输入数字','info');
return false;
} else {
}
});
}
$('#col'+contentId).bind('change', contentId, function(sender) {
var colType = getColType(this.value);
switch(colType) {
case "s":
$('#text'+sender.data).unbind('click');
$('#text'+sender.data).unbind('keypress');
break;
case "n":
$('#text'+sender.data).bind("keypress",function(sender) {
if(isNaN(parseInt(String.fromCharCode(sender.keyCode)))) {
$.messager.alert('提示','请输入数字','info');
return false;
} else {
}
});
break;
case "d":
$('#text'+sender.data).bind('click', function(){ WdatePicker(); });
break;
default:
$('#text'+sender.data).unbind('click');
$('#text'+sender.data).unbind('keypress');
}
});
contentId += 1;
}
function delFilter() {
var ischeck = 0;
for(var i = 0 ; i < contentId ; i++) {
if($('#checkbox'+i)[0] == undefined)
continue;
if($('#checkbox'+i)[0].checked)
ischeck += 1;
}
if(ischeck == 1) {
var selectId = 0;
for(var i = 0 ; i < contentId ; i++) {
if($('#checkbox'+i)[0] == undefined)
continue;
if($('#checkbox'+i)[0].checked) {
selectId = i;
break;
}
}
$('#tr'+selectId).remove();
} else {
$.messager.alert('提示', '请选择一条数据', 'info');
}
}
function upFilter() {
$.messager.alert('提示', '该功能已被屏蔽', 'info');
}
function downFilter() {
$.messager.alert('提示', '该功能已被屏蔽', 'info');
}
function clearFilter() {
for(var i = 0 ; i < contentId ; i++) {
if($('#checkbox'+i)[0] == undefined)
continue;
$('#tr'+i).remove();
}
contentId = 0;
}
[/size]