摘要：<!DOCTYPE html><html><head> <meta charset="UTF-8"> <title>Document</title> <style type="text/css"> *{padding: 0px;marg
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
*{padding: 0px;margin: 0px;}
body{font-size: 12px}
.box{width: 600px;height: 500px;border: 1px solid #ccc;margin: 0px auto;padding: 10px}
img{float: left;width: 150px;height: 24px;}
.box1{float: left;margin-left: 255px;width: 150px;height: 24px;text-align: right;font-size: 14px;color: #888;}
.box1 span{font-size: 14px;font-weight: bold;}
#text{width: 600px;height: 100px;border: 1px solid #888;margin-top: 5px;}
.box #sp4,#sp1,#sp2,#sp3{float: left；width 30px;height: 30px;line-height: 32px;padding-left: 30px}
#sp4{margin-left:300px;margin-right: 15px;color: #ccc;}
#text1{display: inline-block;width: 600px;height: 100px;border: none;margin-bottom: 5px;}
.box2{width: 600px;border: none;}
#but{float: right;width: 88px;height: 30px;border: none;background: #ffc09f;color: #fff;}
</style>
<script type="text/javascript">
var text,number,leng,but,val1,text1,val2;
window.onload=function(){
text=document.getElementById("text");
text1=document.getElementById("text1");
number=document.getElementById("number");
but=document.getElementById("but");
text.onkeyup=function aa(){
//获取输入框的字体长度
val1=text.value.toString();
leng=140-text.value.length;
if(leng<0){
number.style.color="red";
}else{
number.style.color="#000";
}
//显示长度
number.innerHTML=leng;
};
but.onclick=function bb(){
if(leng==140){
alert("你还未曾输入");
//放回输入框
text.focus;
}else if(leng<0){
alert("你超过了输入框的最大输入字数");
//放回输入框
text.focus;
}else{
alert("输入成功！！");
text1.innerHTML=val1;
val2=text.Value="";
leng=140;
number.innerHTML=leng;
text.innerHTML=val2; text.focus;
};
}
}
</script>
</head>
<div>
<span id="text1"></span>
<img src="css/image.jpg">
<div>还可以输入
<span id="number"></span>
<span >字</span> </div>
<textarea id="text"></textarea>
<span id="sp1">表情</span>
<span id="sp2">图片</span>
<span id="sp3">视频</span>
<span id="sp4">公开</span>
<input type="button" value="发布" id="but">
</div>
</body>
</html>
批改老师：灭绝师太批改时间：2018-11-15 09:08:07
老师总结：前端基本的样式还是要完善的，图片素材都在课件下载中
