龙空技术网

HTML5实现头像的上传

拼搏的小浣熊 60

前言:

目前兄弟们对“html5图片居左代码”大体比较注意,兄弟们都想要学习一些“html5图片居左代码”的相关资讯。那么小编同时在网上汇集了一些关于“html5图片居左代码””的相关文章,希望姐妹们能喜欢,小伙伴们快快来学习一下吧!

HTML5实现头像的上传这是利用form-data给后台传输数据,来实现头像的上传加载!html代码

<!DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8">    <meta name="viewport" content="width=, initial-scale=1.0">    <meta http-equiv="X-UA-Compatible" content="ie=edge">    <title>Document</title>    </head><body>    <div class="container">        <input enctype="multipart/form-data" type="file">        <input id="Susername"  type="text" placeholder="用户名">        <input id="Ssex" type="number" placeholder="年龄">        <input id="Sage" type="text" placeholder="专业">        <input id="Smajor" type="text" placeholder="学校">        <input id="Sschool" type="text" placeholder="QQ">        <input id="Sqq" type="text" placeholder="地址">        <input id="Saddress" type="text" placeholder="座右铭">        <input id="Smotto" type="button" value="上传">               <div style="clear: both;"></div>             <progress value="0" max="100"></progress>    </div>    <div class="showarea">        <h3>显示区域</h3>    </div>    </body></html>
样式代码
 .container{            box-sizing: border-box;            width: 404px;            height: 100px;            border: 1px solid #ccc;            border-radius: 5px;            padding-top: 20px;            background: linear-gradient(to bottom,#0ff,#0ff 20px,transparent 0);            margin: 0 auto;        }        input{            padding: 0;            margin: 0;                  }        .container input[type=file]{            width: 300px;            height: 30px;            border: 1px solid #ccc;            background: #7FFFD4;            color: #133131;            float: left;        }        .container input[typr=button]{            width: 100px;            height: 32px;            float: left;            border: 1px solid #ccc;            color:  #133131;        }        progress{            display: none;            width: 400px;            height: 30px;            margin-top: 7px;        }        .showarea{            width: 600px;            min-height: 200px;            border: 1px solid #ccc;            margin: 30px auto;        }        .showarea h3{            widows: 100px;            margin: 0 auto;            line-height: 60px;            text-align: center;            border-bottom: 1px solid #cccc;            color: #133131;                    }        .showareaimg{            max-width: 1000%;        }
javescript代码
  var file = document.querySelector('[type=file]');        var sub = document.querySelector('[type=button]');        var show = document.querySelector('.showarea');        var progress = document.querySelector('progress');        var Susername = document.getElementById('Susername');        var Ssex = document.getElementById('Ssex');        var Sage = document.getElementById('Sage');        var Smajor = document.getElementById('Smajor');        var Sschool = document.getElementById('Sschool');        var Sqq = document.getElementById('Sqq');        var Saddress = document.getElementById('Saddress');        var Smotto = document.getElementById('Smotto');                sub.onclick = function(e){            var fileobje = file.files[0];            var formdata = new FormData();            formdata.append('upload',fileobje);            formdata.append('upload',Susername.value);            formdata.append('upload',Ssex.value);            formdata.append('upload',Sage.value);            formdata.append('upload',Smajor.value);            formdata.append('upload',Sschool.value);            formdata.append('upload',Sqq.value);            formdata.append('upload',Saddress.value);            formdata.append('upload',Smotto.value);            var xhr = new XMLHttpRequest();            var fr = new FileReader();            fr.readAsDataURL(fileobje)            fr.onload=function(e){                // console.log(e);                var img = document.createElement('img');                img.src = this.result;                // console.log( img.src);                show.appendChild(img)            }            xhr.upload.onprogress = function(e){                progress.value= parseInt(e.loaded/e.total*100)            }          xhr.open("POST",";)        //   console.log(formdata)          xhr.send(formdata);          console.log(formdata)        console.log(formdata.getAll("upload"))        }

标签: #html5图片居左代码 #html5formdata