我有2个嵌套表。父表行包含子表。如果需要，两个表都可以通过添加按钮添加行。父表值插入数据库中的product_size表，子表值插入product_color表中。父表包含大小，子表包含该大小的项目的颜色和数量。我想在父表行中插入子表值（颜色和数量）。表示父第一行子表值应仅插入父第一行，而父表第二行中的子表值应插入父第二行。目前，我的代码从父表的所有行获取所有子表值，并在第一行的数据库中插入，然后再从父表的所有行中获取所有子表值，并在父表的第二行中插入数据库。请检查我的代码，并帮助我指出代码中的问题所在。这是我的Html表的图片。
function addRow(tableID) {
var table = document.getElementById(tableID);
var rowCount = table.rows.length;
var row = table.insertRow(rowCount);
var colCount = table.rows[1].cells.length;
for(var i=0; i<colCount; i++) {
var newcell = row.insertCell(i);
if (i == colCount - 1) //last column which adds child table
{
//Get child table id of first row
var tableID = table.rows[1].cells[i].childNodes[1].getAttribute("id");
//Replace all occurances of parent table id's with new unique table id for child table before writing the information to DOM
newcell.innerHTML = table.rows[1].cells[i].innerHTML.replace(new RegExp(tableID,"g"), "dataTable" + Math.floor((Math.random() * 1000) + 1));
}
else //For other columns there is no need to assign unique id for controls
newcell.innerHTML = table.rows[1].cells[i].innerHTML;
//alert(newcell.childNodes);
switch(newcell.childNodes[0].type) {
case "text":
newcell.childNodes[0].value = "";
break;
case "checkbox":
newcell.childNodes[0].checked = false;
break;
case "select-one":
newcell.childNodes[0].selectedIndex = 0;
break;
}
}
}
function deleteRow(tableID) {
try {
var table = document.getElementById(tableID);
var rowCount = table.rows.length;
for(var i=0; i<rowCount; i++) {
var row = table.rows[i];
var chkbox = row.cells[0].childNodes[0];
if(null != chkbox && true == chkbox.checked) {
if(rowCount <= 1) {
alert("Cannot delete all the rows.");
break;
}
table.deleteRow(i);
rowCount--;
i--;
}
}
}catch(e) {
alert(e);
}
}
function addRow1(tableID) {
var table = document.getElementById(tableID);
var rowCount = table.rows.length;
var row = table.insertRow(rowCount);
var colCount = table.rows[1].cells.length;
for(var i=0; i<colCount; i++) {
var newcell = row.insertCell(i);
newcell.innerHTML = table.rows[1].cells[i].innerHTML;
//alert(newcell.childNodes);
switch(newcell.childNodes[0].type) {
case "text":
newcell.childNodes[0].value = "";
break;
case "checkbox":
newcell.childNodes[0].checked = false;
break;
case "select-one":
newcell.childNodes[0].selectedIndex = 0;
break;
}
}
}
function deleteRow1(tableID) {
try {
var table = document.getElementById(tableID);
var rowCount = table.rows.length;
for(var i=0; i<rowCount; i++) {
var row = table.rows[i];
var chkbox = row.cells[0].childNodes[0];
if(null != chkbox && true == chkbox.checked) {
if(rowCount <= 1) {
alert("Cannot delete all the rows.");
break;
}
table.deleteRow(i);
rowCount--;
i--;
}
}
}catch(e) {
alert(e);
}
}table {
border-collapse: collapse;
width: 100%;
border:1px solid #1E90FF;
}
th, td {
text-align: left;
padding: 8px;
border:1px solid #1E90FF;
}
th {
background-color: #1E90FF;
color: white;
}<TABLE id="dataTable">
<thead>
<tr>
<th style="text-align: center;"> Select </th>
<th style="text-align: center;"> <b>Size</b> </th>
<th style="text-align: center;"> <b>Color & Quantity</b> </th>
</tr>
</thead>
<tbody>
<tr id='C1' class='customer'>
<td><input type="checkbox" name="chk"/></td>
<td><select name="size[]" id="size" required="" >
<option value="">Select Size</option>
<option value="Small">Small</option>
<option value=">Medium">Medium</option>
<option value="Large">Large</option>
</select></td>
<td>
<TABLE style="margin-top: 20px;" id="dataTable1" width="400px" border="1">
<thead>
<th> Select </th>
<th> <b>Color Quantity</b> </th>
</thead>
<TR>
<TD><INPUT type="checkbox" name="chk"/></TD>
<TD>
<select name="color[]" required="" >
<option value="">Select Color</option>
<option value="Alizarin">Alizarin</option>
<option value="Amaranth">Amaranth</option>
<option value="Amber">Amber</option>
<option value="Amethyst">Amethyst</option>
<option value="Apricot">Apricot</option>
<option value="Aqua">Aqua</option>
<option value="Aquamarine">Aquamarine</option>
<option value="Asparagus">Asparagus</option>
<option value="Auburn">Auburn</option>
<option value="Azure">Azure</option>
<option value="Beige">Beige</option>
<option value="Bistre">Bistre</option>
<option value="Black">Black</option>
<option value="Blue">Blue</option>
<option value="Blue Green">Blue Green</option>
<option value="Blue Violet">Blue Violet</option>
<option value="Bondi Blue">Bondi Blue</option>
<option value="Brass">Brass</option>
<option value="Bronze">Bronze</option>
<option value="Brown">Brown</option>
<option value="Buff">Buff</option>
<option value="Burgundy">Burgundy</option>
<option value="Burnt Orange">Burnt Orange</option>
<option value="Burnt Sienna">Burnt Sienna</option>
<option value="Burnt Umber">Burnt Umber</option>
<option value="Camouflage Green">Camouflage Green</option>
<option value="Caput Mortuum">Caput Mortuum</option>
<option value="Cardinal">Cardinal</option>
<option value="Carmine">Carmine</option>
<option value="Carrot orange">Carrot orange</option>
<option value="Celadon">Celadon</option>
<option value="Cerise">Cerise</option>
<option value="Cerulean">Cerulean</option>
<option value="Champagne">Champagne</option>
<option value="Charcoal">Charcoal</option>
<option value="Chartreuse">Chartreuse</option>
<option value="Cherry Blossom Pink">Cherry Blossom Pink</option>
<option value="Chestnut">Chestnut</option>
<option value="Chocolate">Chocolate</option>
<option value="Cinnabar">Cinnabar</option>
<option value="Cinnamon">Cinnamon</option>
<option value="Cobalt"> Cobalt</option>
<option value="Copper">Copper</option>
<option value="Coral">Coral</option>
<option value="Corn">Corn</option>
<option value="Cornflower">Cornflower</option>
<option value="Cream">Cream</option>
<option value="Crimson">Crimson</option>
<option value="Cyan">Cyan</option>
<option value="Dandelion">Dandelion</option>
<option value="Denim">Denim</option>
<option value="Ecru">Ecru</option>
<option value="Emerald">Emerald</option>
<option value="Eggplant">Eggplant</option>
<option value="Falu red">Falu red</option>
<option value="Fern green">Fern green</option>
<option value="Firebrick">Firebrick</option>
<option value="Flax">Flax</option>
<option value="Forest green">Forest green</option>
<option value="French Rose">French Rose</option>
<option value="Fuchsia">Fuchsia</option>
<option value="Gamboge">Gamboge</option>
<option value="Gold">Gold</option>
<option value="Goldenrod">Goldenrod</option>
<option value="Green">Green</option>
<option value="Grey">Grey</option>
<option value="Han Purple">Han Purple</option>
<option value="Harlequin">Harlequin</option>
<option value="Heliotrope">Heliotrope</option>
<option value="Hollywood Cerise">Hollywood Cerise</option>
<option value="Indigo">Indigo</option>
<option value="Ivory">Ivory</option>
<option value="Jade">Jade</option>
<option value="Kelly green">Kelly green</option>
<option value="Khaki">Khaki</option>
<option value="Lavender">Lavender</option>
<option value="Lawn green">Lawn green</option>
<option value="Lemon">Lemon</option>
<option value="Lemon chiffon">Lemon chiffon</option>
<option value="Lilac">Lilac</option>
<option value="Lime">Lime</option>
<option value="Lime green">Lime green</option>
<option value="Linen">Linen</option>
<option value="Magenta">Magenta</option>
<option value="Magnolia">Magnolia</option>
<option value="Malachite">Malachite</option>
<option value="Maroon">Maroon</option>
<option value="Mauve">Mauve</option>
<option value="Midnight Blue">Midnight Blue</option>
<option value="Mint green">Mint green</option>
<option value="Misty rose">Misty rose</option>
<option value="Moss green">Moss green</option>
<option value="Mustard">Mustard</option>
<option value="Myrtle">Myrtle</option>
<option value="Navajo white">Navajo white</option>
<option value="Navy Blue">Navy Blue</option>
<option value="Ochre">Ochre</option>
<option value="Office green">Office green</option>
<option value="Olive">Olive</option>
<option value="Olivine">Olivine</option>
<option value="Orange">Orange</option>
<option value="Orchid">Orchid</option>
<option value="Papaya whip">Papaya whip</option>
<option value="Peach">Peach</option>
<option value="Pear">Pear</option>
<option value="Periwinkle">Periwinkle</option>
<option value="Persimmon">Persimmon</option>
<option value="Pine Green">Pine Green</option>
<option value="Pink">Pink</option>
<option value="Platinum">Platinum</option>
<option value="Plum">Plum</option>
<option value="Powder blue">Powder blue</option>
<option value="Puce">Puce</option>
<option value="Prussian blue">Prussian blue</option>
<option value="Psychedelic purple">Psychedelic purple</option>
<option value="Pumpkin">Pumpkin</option>
<option value="Purple">Purple</option>
<option value="Quartz Grey">Quartz Grey</option>
<option value="Raw umber">Raw umber</option>
<option value="Razzmatazz">Razzmatazz</option>
<option value="Red">Red</option>
<option value="Robin egg blue">Robin egg blue</option>
<option value="Rose">Rose</option>
<option value="Royal blue">Royal blue</option>
<option value="Royal purple">Royal purple</option>
<option value="Ruby">Ruby</option>
<option value="Russet">Russet</option>
<option value="Rust">Rust</option>
<option value="Safety orange">Safety orange</option>
<option value="Saffron">Saffron</option>
<option value="Salmon">Salmon</option>
<option value="Sandy brown">Sandy brown</option>
<option value="Sangria">Sangria</option>
<option value="Sapphire">Sapphire</option>
<option value="Scarlet">Scarlet</option>
<option value="School bus yellow">School bus yellow</option>
<option value="Sea Green">Sea Green</option>
<option value="Seashell">Seashell</option>
<option value="Sepia">Sepia</option>
<option value="Shamrock green">Shamrock green</option>
<option value="Shocking Pink">Shocking Pink</option>
<option value="Silver">Silver</option>
<option value="Sky Blue">Sky Blue</option>
<option value="Slate grey">Slate grey</option>
<option value="Smalt">Smalt</option>
<option value="Spring bud">Spring bud</option>
<option value="Spring green">Spring green</option>
<option value="Steel blue">Steel blue</option>
<option value="Tan">Tan</option>
<option value="Tangerine">Tangerine</option>
<option value="Taupe">Taupe</option>
<option value="Teal">Teal</option>
<option value="Tenné">Tenné</option>
<option value="Terra cotta">Terra cotta</option>
<option value="Thistle">Thistle</option>
<option value="Titanium White">Titanium White</option>
<option value="Tomato">Tomato</option>
<option value="Turquoise">Turquoise</option>
<option value="Tyrian purple">Tyrian purple</option>
<option value="Ultramarine">Ultramarine</option>
<option value="Van Dyke Brown">Van Dyke Brown</option>
<option value="Vermilion">Vermilion</option>
<option value="Violet">Violet</option>
<option value="Viridian">Viridian</option>
<option value="Wheat">Wheat</option>
<option value="White">White</option>
<option value="Wisteria">Wisteria</option>
<option value="Xanthic">Xanthic</option>
<option value="Yellow">Yellow</option>
<option value="Zucchini">Zucchini</option>
</select>
<input style="width: 120px; height: 26px; " oninput="javascript: if (this.value.length > this.maxLength) this.value = this.value.slice(0, this.maxLength);" type="number" name="dress_quantity[]" class="qty1" min="1" max="1000" maxlength="4" placeholder="Size Quantity" value="" required="">
</TD>
</TR>
</TABLE>
<INPUT type="button" value="Add Row" onclick="addRow1('dataTable1')" />
<INPUT type="button" value="Delete Row" onclick="deleteRow1('dataTable1')" />
</td>
</tr>
</tbody>
</TABLE>
<INPUT type="button" value="Add Row" onclick="addRow('dataTable')" />
<INPUT type="button" value="Delete Row" onclick="deleteRow('dataTable')" />
PHP代码：
if (isset($_POST['submit']))
{
$con=mysqli_connect("localhost", "root", "");
mysqli_select_db($con,"login");
for ($i=0; $i<count($_POST['size']); $i++){
$size = $_POST['size'][$i];
$qry1="INSERT INTO product_size (product_size) VALUES ('$size')";
$result1=mysqli_query($con,$qry1);
$product_size_id = mysqli_insert_id($con);
for ($j=0; $j<count($_POST['color']); $j++){
$quantity = $_POST['dress_quantity'][$j];
$color = $_POST['color'][$j];
$qry2="INSERT INTO product_color (product_size_id, product_color, product_quantity) VALUES ('$product_size_id', '$color', '$quantity')";
$result2=mysqli_query($con,$qry2);
if($result2)
{
echo '<script>alert("Record Added Successfully!")</script>';
echo '<script>window.location="try.php"</script>';
}
else
{
die("Error While Adding Stock! Please Try Again.");
}
}
}
}