![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>创造表格</title>
<style>
body{
padding: 0;
margin: 0;
}
.wrap{
width: 960px;
margin: auto;
}
header,footer{
display: block;
min-width: 960px;
height: 88px;
line-height: 88px;
text-align: center;
font-size: 28px;
font-weight: 600;
margin-bottom: 20px;
box-shadow: 0 4px 20px -10px #ccc;
overflow: hidden;
}
footer{
box-shadow: 0 -4px 20px -10px #ccc;
margin-top: 20px;
}
.box{
padding: 16px;
}
.input{
width: 200px;
height: 40px;
border: 1px solid;
padding-left: 16px;
font-size: 18px;
border-radius: 4px;
}
.button input{
display: inline-block;
width: 100px;
height: 40px;
font-size: 18px;
border: none;
background: skyblue;
border-radius: 6px;
outline: none;
margin-right: 12px;
cursor: pointer;
}
</style>
</head>
<body>
<header>创造表格</header>
<article>
<div class="wrap">
<div class="box">
<h2>动态创造表格</h2>
<p class="title">
<label for="tableTitle">请输入表格标题：</label>
<input type="text" name="tableTitle" id="tableTitle" placeholder="标题" class="input">
</p>
<p class="rows">
<label for="rows">请输入表格行数：</label>
<input type="text" name="rows" id="rows" placeholder="大于零的整数" class="input">
</p>
<p class="cols">
<label for="cols">请输入表格列数：</label>
<input type="text" name="cols" id="cols" placeholder="大于零的整数" class="input">
</p>
<p class="button">
<input type="submit" name="submit">
<input type="reset" name="reset">
</p>
</div>
</div>
</article>
<footer>End..</footer>
<!-- <script src= "js/jquery-1.8.3.min.js"></script> -->
<script src= "js/jquery-3.2.1.js"></script>
<script>
$(function(){
var flag = true;;
//输入框
var input01 = $('p .input[name=tableTitle');
var input02 = $('p .input[name=rows]');
var input03 = $('p .input[name=cols]');
console.log(input01);
console.log(input02);
console.log(input03);
var submit = $('.button :submit').css("background","red");
var reset = $('.button input[type=reset').css('background','green')
input01.on('focus',function(){
$(this).next().remove();
})
input02.on('focus',function(){
$(this).next().remove();
})
input03.on('focus',function(){
$(this).next().remove();
})
input01.on('blur',function(){
if($(this).val().length == 0){
$(this).after('<span style="color: red;">标题内容不能为空</span>');
}
})
input02.on('blur',function(){
if($(this).val().length == 0){
$(this).after('<span style="color: red;">内容不能为空</span>');
}else if(isNaN($(this).val()) || $(this).val() <= 0){
$(this).after('<span style="color: red;">内容为大于零的整数</span>');
}
})
input03.on('blur',function(){
if($(this).val().length == 0){
$(this).after('<span style="color: red;">内容不能为空</span>');
}else if(isNaN($(this).val()) || $(this).val() <= 0){
$(this).after('<span style="color: red;">内容为大于零的整数</span>');
}
})
submit.on('click',function(){
$('.button').next().remove();
$.get(
"a.php",
{
caption: input01.val(),
row: input02.val(),
col: input03.val()
},
function(res){
$('.button').after(res);
}
)
})
reset.on('click',function(){
$('.button').next().remove();
input01.val('');
input02.val('');
input03.val('');
})
})
</script>
</body>
</html>点击 "运行实例" 按钮查看在线实例
<?
if($_SERVER['REQUEST_METHOD'] == 'GET'){
if(!empty($_GET['row']) && (!empty($_GET['col'])) && (!empty($_GET['caption']))){
$caption = $_GET['caption'];
$rows = $_GET['row'];
$cols = $_GET['col'];
$table = '<table border = "1" cellspacing="0" cellpadding= "4" align = "center" width="80%">';
$table.='<caption>'.$caption.'</caption>';
$table.='<tr align="cneter" bgcolor= "skyblue">';
for($i = 0;$i<$cols;$i++){
$table.='<th>'.$i.'</th>';
}
$tabel.='</tr>';
for($i=0;$i<$rows;$i++){
$table.='<tr>';
for($j= 0;$j<$cols;$j++){
$table.='<td align = "center" bgcolor="skyblue">'.($i*$cols+$j).'</td>';
}
}
$table.='</tr></table>';
echo $table;
exit();
}
}else{
exit('<span style="color: red;">请求类型错误</span>');
}点击 "运行实例" 按钮查看在线实例
运行图片：
