摘要：<!DOCTYPE html><html><head><meta charset="UTF-8"><title>Document</title><style type="text/css">#webo{height:180px;width: 620px;border:10px
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
#webo{
height:180px;
width: 620px;
border:10px solid #FFC0CB;
margin: 0px auto;
}
#webo_top{
height: 40px;
width:100%;
font-size: 14px;
color: #888888;
position: relative;
}
#webo_top img{
float: left;
position: absolute;
left:15px;
top:10px;
}
#top_num_font{
font-weight: bold;
line-height: 40px;
}
#top_font{
display: inline;
height: 40px;
margin-right: 30px;
float: right;
}
textarea{
height:103px;
width: 600px;
border: 1px solid #cccccc;
margin:0px 7px;
}
#webo_bottom{
padding: 0px 10px;
}
#webo_bottom div{
float:left;
height:28px;
width:60px;
background-repeat: no-repeat;
}
#webo_bottom span{
font-size: 12px;
color:#000000;
margin-left: 28px;
}
#bg_1{background-image: url(images/an5.png);}
#bg_2{background-image: url(images/an4.png);}
#bg_3{background-image: url(images/an3.png);}
#bg_4{background-image: url(images/an2.png);}
#bg_5{background-image: url(images/an1.png);}
#webo_bottom_right{
height: 28px;
width:150px;
float: right;
}
#webo_bottom_right span{
color:#888888;
font-size: 12px;
margin-right: 14px
}
input{
height:25px;
width: 80px;
background-color:#FFC09F;
border:none;
border-radius: 3px;
color:#fff;
}
/* 复选框css*/
#w_checkbox{
height: 300px;
width: 200px;
border: 1px solid #888;
padding: 5px;
margin:40px auto;
font-size: 14px;
}
#w_checkbox_head{
height: 50px;
border-bottom:1px solid #888;
}
#w_checkbox input{
height:15px;
width:15px;
}
</style>
<script type="text/javascript">
var text,num,m
window.onload=function(){
text=document.getElementById('webo_textarea')
num=document.getElementById('top_num_font')
bt=document.getElementById('bottom_button')
text.onkeyup=function aa(){
m=10-text.value.length
if (m<0){
num.style.color="red"
}else {
num.style.color="#888"
}
num.innerHTML=m
}
bt.onclick=function(){
if (m==10){
alert('你还没有输入内容')
text.focus()
}
else if (m<0){
alert('你输入的字数超出限制了')
text.focus()
}
else {
alert('你已成功提交')
}
}
aa()
}
//复选框script
function checkall(){
var item,checkall
item=document.getElementsByName('chh')
checkall=document.getElementById('chh_all')
for(i=0;i<item.length;i++){
if(checkall.checked){
item[i].checked=true
}else{
item[i].checked=false
}
}
}
</script>
</head>
<body>
<div id="webo">
<div id="webo_top">
<img src="images/12.png">
<div id="top_font">还可以输入<span id="top_num_font"></span>字</div>
</div>
<textarea id="webo_textarea"></textarea>
<div id="webo_bottom">
<div id="bg_1"><span >表情</span></div>
<div id="bg_2"><span >图片</span></div>
<div id="bg_3"><span >视频</span></div>
<div id="bg_4"><span >话题</span></div>
<div id="bg_5" style="width:70px;"><span >长微博</span></div>
</div>
<div id="webo_bottom_right">
<span>公开</span>
<input type="button" name="button" id="bottom_button" value="提交">
</div>
</div>
<!--复选框-->
<div id="w_checkbox">
<div id="w_checkbox_head">
<input type="checkbox" id="chh_all" value="" onclick="checkall()"><label for="chh_all">全选</label>
</div>
<div id="w_checkbox_body">
<label><input type="checkbox" name="chh" value="">A.上海</label>
<label><input type="checkbox" name="chh" value="">B.北京</label>
</div>
</div>
</body>
</html>
