實現了：
1.選中除開表頭的任何一行中的任何一項，選中該行復選框，有利於用戶體驗。
2.至少選中表中一項，表單提交。
html:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>帶複選框的表單提交</title>
<script src="../commonJqery/jquery-3.0.0.js" type="text/javascript"></script>
<style type="text/css">
table {
border-collapse: collapse;
}
td,th {
width: 40px;
height: 100px;
border:1px solid #000;
}
table tbody tr:hover {
background-color: red;
}
table tbody tr:not(:first-child):hover {background-color: #666;
}
</style>
</head>
<body>
<form action="http://www.baidu.com" id="order_shopping" name="order_shopping" method="get" οnsubmit="return checkShopping();">
<table id="table" class="fl">
<thead>
<tr>
<th>商品名</th>
<th>單價</th>
<th>購買數量</th>
<th><input id="both" type="checkbox" name="both" autocomplete="off"></th>
</tr>
</thead>
<tbody>
<tr>
<td>香蕉</td>
<td>100</td>
<td>4</td>
<td>
<input type="checkbox" name="choice" autocomplete="off">
</td>
</tr>
<tr>
<td>蘋果</td>
<td>100</td>
<td>5</td>
<td>
<input type="checkbox" name="choice" autocomplete="off">
</td>
</tr>
</tbody>
</table>
<input type="submit" id="add_shopping" value="添加購物車"/>
</form>
<p id="msg"></p>
</body>
</html>js:
<script type="text/javascript">
$(function(){
//全選
$("input[name='both']").click(function(){
var $isSelected = $(this).is(":checked");
for(var i = 0;i<$("input[name='choice']").length;i++){
$("input[name='choice']")[i].checked = $isSelected;
}
})
//選中行選中checkbox
$("#table tr").slice(1).each(function(){
var This = this;
$(this).children().click(function(){
$($(This).children()[3]).children().each(function(){
if(this.type=="checkbox"){
if(!this.checked){
this.checked = true;
}else{
this.checked = false;
}
}
});
});
});
});
// 有選中才提交
function checkShopping(){
$("#msg").html('');
var $checkbox = $("input[name='choice']");
for(var i = 0 ;i<$checkbox.length;i++){
if(checkObj($checkbox[i])){
return true;
}
}
if(i==$checkbox.length){
$("#msg").html('提示：至少選擇1條信息!');
return false;
}
}
function checkObj(obj){
if(obj.checked){
return true;
}else{
return false;
}
}
</script>