我有多选盒。这是我的Html代码
<section class="container">
<div>
<select id="leftValues" name="leftValues[]" size="5" multiple>
<option value="a">1</option>
<option value="b">2</option>
<option value="c">3</option>
</select>
<input type="hidden" id="txtLeft" name=txtLeft/>
</div>
<div>
<input type="button" id="btnLeft" value="<<" />
<input type="button" id="btnRight" value=">>" />
</div>
<div>
<select id="rightValues" name=rightValues[] size="4" multiple>
<option value="x">9</option>
<option value="y">8</option>
<option value="z">7</option>
</select>
<div>
<input type="hidden" id="txtRight" name=txtRight/>
</div>
</div>
</section>
<button type="submit" id="value" class="blue">Save</button>
这就是我试过的jquery。我希望当我单击Save按钮时,addedLeftValues数组中的所有值都更新为txtLeft,addedRightValues数组中的值都更新为txtLeft
<script>
var left;
var right;
var newLeft;
var newRight;
var addedLeftValues = new Array();
var addedRightValues = new Array();
$(document).ready(function() {
SaveOldValues();
});
function SaveOldValues()
{
left = new Array();
right = new Array();
$('#leftValues .left').each(function(){
left.push($(this).val());
});
$('#rightValues .right').each(function(){
right.push($(this).val());
});
}
function UpdatedValues()
{
newLeft = new Array();
newRight = new Array();
$('#leftValues .left').each(function(){
newLeft.push($(this).val());
});
$('#rightValues .right').each(function(){
newRight.push($(this).val());
});;
}
$("#btnLeft").click(function () {
var selectedItem = $("#rightValues option:selected");
$(selectedItem).attr("class","left");
$("#leftValues").append(selectedItem);
});
$("#btnRight").click(function () {
var selectedItem = $("#leftValues option:selected");
$(selectedItem).attr("class","right");
$("#rightValues").append(selectedItem);
});
$("#rightValues").change(function () {
var selectedItem = $("#rightValues option:selected");
});
$("#value").on("click",function(){
UpdatedValues();
$(newLeft).each(function(k,value){
if($.inArray(value, left) == -1)
{
alert("new value in left is: " + value);
addedLeftValues.push(value);
$("#txtLeft").val(function(i, v) {
arr.push(addedLeftValues);
});
}
});
$(newRight).each(function(k,value){
if($.inArray(value, right) == -1)
{
alert("new value in Right is: " + value);
addedRightValues.push(value);
$("#txtRight").val(function(i, v) {
arr.push(addedRightValues);
});
}
});
});
这是我的CSS代码
<style>
SELECT, INPUT[type="text"] {
width: 160px;
box-sizing: border-box;
}
SECTION {
padding: 8px;
background-color: #f0f0f0;
overflow: auto;
}
SECTION > DIV {
float: left;
padding: 4px;
}
SECTION > DIV + DIV {
width: 40px;
text-align: center;
}
</style>
最佳答案
当你把所有的代码都放在dome ready方法中时,它似乎是有效的
$(function () {
var left;
var right;
var newLeft;
var newRight;
var addedLeftValues = new Array();
var addedRightValues = new Array();
SaveOldValues();
function SaveOldValues() {
left = new Array();
right = new Array();
$('#leftValues .left').each(function () {
left.push($(this).val());
});
$('#rightValues .right').each(function () {
right.push($(this).val());
});
}
function UpdatedValues() {
newLeft = new Array();
newRight = new Array();
$('#leftValues .left').each(function () {
newLeft.push($(this).val());
});
$('#rightValues .right').each(function () {
newRight.push($(this).val());
});;
}
$("#btnLeft").click(function () {
var selectedItem = $("#rightValues option:selected");
$(selectedItem).attr("class", "left");
$("#leftValues").append(selectedItem);
});
$("#btnRight").click(function () {
var selectedItem = $("#leftValues option:selected");
$(selectedItem).attr("class", "right");
$("#rightValues").append(selectedItem);
});
$("#value").click(function () {
UpdatedValues();
$(newLeft).each(function (k, value) {
if ($.inArray(value, left) == -1) {
alert("new value in left is: " + value);
addedLeftValues.push(value);
$("#txtLeft").val(function (i, v) {
arr.push(addedLeftValues);
});
}
});
$(newRight).each(function (k, value) {
if ($.inArray(value, right) == -1) {
alert("new value in Right is: " + value);
addedRightValues.push(value);
$("#txtRight").val(function (i, v) {
arr.push(addedRightValues);
});
}
});
});
});
但是在第54行和第64行,您将面临一个新的错误
arr.push(addedRightValues);
ReferenceError: arr is not defined
检查fiddlejshttp://jsfiddle.net/p6MKv/
关于php - 使用jquery将jquery数组更新为隐藏字段,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/20772574/