一个简单的注册页面：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" href="/static/bs/css/bootstrap.css">
<script src="/static/js/jquery-3.2.1.min.js"></script>
<style>
#avatar{
/*隐藏上传按钮-*/
display: none;
}
/*设置预览头像尺寸*/
.avatar_img{
width: 60px;
height: 60px;
margin-left: 10px;
}
.error{
color: red;
}
</style>
</head>
<body>
<h3>注册页面</h3>
<div class="container">
<div class="row">
<div class="col-md-6 col-md-offset-3">
<form>
{% csrf_token %}
<div class="form-group">
<label for="user">用户名</label>
<input type="text" id="user" class="form-control"><span class="error pull-right"></span>
</div>
<div class="form-group">
<label for="pwd">密码</label>
<input type="password" id="pwd" class="form-control"><span class="error pull-right"></span>
</div>
<div class="form-group">
<label for="repeat_pwd">确认密码</label>
<input type="password" id="repeat_pwd" class="form-control"><span class="error pull-right"></span>
</div>
<div class="form-group">
<label for="email">邮箱</label>
<input type="email" id="email" class="form-control"><span class="error pull-right"></span>
</div>
<div class="form-group">
<!--label实现点击图片就能上传头像-->
<!--img显示默认图片-->
<label for="avatar">头像 <img src="/static/img/default.png" alt="" class="avatar_img"></label>
<input type="file" id="avatar" class="form-control">
</div>
<input type="button" value="submit" class="reg_btn btn btn-default">
<span class="error"></span>
</form>
</div>
</div>
</div>
<script>
// 头像预览
$("#avatar").change(function () {
//FileReader可以读出头像在客户端存放路径
var reader=new FileReader();
//获取头像对象
var choose_file=$(this)[0].files[0];
//用reader对象录取图片对象
reader.readAsDataURL(choose_file);
//reader需要一定时间，onload等待reader读完
reader.onload=function(){
//result获取图片路径，将src的默认图片地址更换为本地头像路径
$(".avatar_img").attr("src",reader.result)
};
})
// 注册
$(".reg_btn").click(function () {
var formdata=new FormData();
formdata.append("user",$("#user").val());
formdata.append("pwd",$("#pwd").val());
formdata.append("email",$("#email").val());
formdata.append("repeat_pwd",$("#repeat_pwd").val());
formdata.append("avatar_img",$("#avatar")[0].files[0]);
$.ajax({
url:"",
type:"post",
contentType:false,
processData:false,
data:formdata,
success:function (data) {
// console.log(data);
var data=JSON.parse(data);
if (data.user){
console.log("OK")
}else{
// 清空操作
$("form span.error").html("")
console.log(data.msg)
$.each(data.msg,function (filed,error_list) {
$("#"+filed).next().html(error_list[0])
})
}
}
})
})
</script>
</body>
</html>
原文地址：https://www.cnblogs.com/guoyunlong666/p/9038591.html
时间： 2024-07-31 06:08:47