1.模态对话框
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.hide{
display: none;
}
.c1{
position: fixed;
left: 0;
top: 0;
right: 0;
bottom: 0;
background-color: black;
opacity: 0.6;
z-index: 9;
}
.c2{
width: 500px;
height: 400px;
background-color: white;
position: fixed;
left: 50%;
top: 50%;
margin-left: -250px;
margin-top: -200px;
z-index: 10;
}
</style>
</head>
<body>
<div>
<input type="button" value="添加" onclick="ShowModel();" />
</div>
<!--遮罩层开始-->
<div id="i1" class="c1 hide" ></div>
<!--遮罩层结束-->
<!--弹出框（模态框）开始-->
<div id="i2" class="c2 hide">
<p><input type="text" /></p>
<p><input type="text" /></p>
<p>
<input type="button" value="取消" onclick="HideModel();" />
<input type="button" value="确定" onclick="HideModel();" />
</p>
</div>
<!--弹出框（模态框）结束-->
<script>
function ShowModel(){
document.getElementById('i1').classList.remove('hide');
document.getElementById('i2').classList.remove('hide');
}
function HideModel(){
document.getElementById('i1').classList.add('hide');
document.getElementById('i2').classList.add('hide');
}
</script>
</body>
</html>
2.全选反选以及取消
checkbox
获取值
checkbox对象.checked
设置值
checkbox对象.checked = true
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.hide{
display: none;
}
.c1{
position: fixed;
left: 0;
top: 0;
right: 0;
bottom: 0;
background-color: black;
opacity: 0.6;
z-index: 9;
}
.c2{
width: 500px;
height: 400px;
background-color: white;
position: fixed;
left: 50%;
top: 50%;
margin-left: -250px;
margin-top: -200px;
z-index: 10;
}
</style>
</head>
<body style="margin: 0;">
<div>
<input type="button" value="添加" onclick="ShowModel();" />
<input type="button" value="全选" onclick="ChooseAll();" />
<input type="button" value="取消" onclick="CancleAll();" />
<input type="button" value="反选" onclick="ReverseAll();" />
<table>
<thead>
<tr>
<th>选择</th>
<th>主机名</th>
<th>端口</th>
</tr>
</thead>
<tbody id="tb">
<tr>
<td>
<input type="checkbox" />
</td>
<td>1.1.1.1</td>
<td>190</td>
</tr>
<tr>
<td><input type="checkbox"f id="test" /></td>
<td>1.1.1.2</td>
<td>192</td>
</tr>
<tr>
<td><input type="checkbox" /></td>
<td>1.1.1.3</td>
<td>193</td>
</tr>
</tbody>
</table>
</div>
<!-- 遮罩层开始 -->
<div id="i1" class="c1 hide"></div>
<!-- 遮罩层结束 -->
<!-- 弹出框开始 -->
<div id="i2" class="c2 hide">
<p><input type="text" /></p>
<p><input type="text" /></p>
<p>
<input type="button" value="取消" onclick="HideModel();"/>
<input type="button" value="确定"/>
</p>
</div>
<!-- 弹出框结束 -->
<script>
function ShowModel(){
document.getElementById('i1').classList.remove('hide');
document.getElementById('i2').classList.remove('hide');
}
function HideModel(){
document.getElementById('i1').classList.add('hide');
document.getElementById('i2').classList.add('hide');
}
function ChooseAll(){
var tbody = document.getElementById('tb');
// 获取所有的tr
var tr_list = tbody.children;
for(var i=0;i<tr_list.length;i++){
// 循环所有的tr，current_tr
var current_tr = tr_list[i];
var checkbox = current_tr.children[0].children[0];
checkbox.checked = true;
}
}
function CancleAll(){
var tbody = document.getElementById('tb');
// 获取所有的tr
var tr_list = tbody.children;
for(var i=0;i<tr_list.length;i++){
// 循环所有的tr，current_tr
var current_tr = tr_list[i];
var checkbox = current_tr.children[0].children[0];
checkbox.checked = false;
}
}
function ReverseAll(){
var tbody = document.getElementById('tb');
// 获取所有的tr
var tr_list = tbody.children;
for(var i=0;i<tr_list.length;i++){
// 循环所有的tr，current_tr
var current_tr = tr_list[i];
var checkbox = current_tr.children[0].children[0];
if(checkbox.checked){checkbox.checked = false;}else{checkbox.checked = true;}}}
</script>
</body>
</html>
3.后台管理左侧菜单
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.hide{
display: none;
}
.item .header{
height: 35px;
background-color: #2459a2;
color: white;
line-height: 35px;
}
</style>
</head>
<body>
<div style="height: 48px"></div>
<div style=" 300px">
<div class="item">
<div id='i1' class="header" onclick="ChangeMenu('i1');">菜单1</div>
<div class="content">
<div>内容1</div>
<div>内容1</div>
<div>内容1</div>
</div>
</div>
<div class="item">
<div id='i2' class="header" onclick="ChangeMenu('i2');">菜单2</div>
<div class="content hide">
<div>内容2</div>
<div>内容2</div>
<div>内容2</div>
</div>
</div>
<div class="item">
<div id='i3' class="header" onclick="ChangeMenu('i3');">菜单3</div>
<div class="content hide">
<div>内容3</div>
<div>内容3</div>
<div>内容3</div>
</div>
</div>
<div class="item">
<div id='i4' class="header" onclick="ChangeMenu('i4');">菜单4</div>
<div class="content hide">
<div>内容4</div>
<div>内容4</div>
<div>内容4</div>
</div>
</div>
</div>
<script>
function ChangeMenu(nid){
var current_header = document.getElementById(nid);
var item_list = current_header.parentElement.parentElement.children;
for(var i=0;i<item_list.length;i++){
var current_item = item_list[i];
current_item.children[1].classList.add('hide');
}
current_header.nextElementSibling.classList.remove('hide');
}
</script>
</body>
</html>