HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" href="./style.css"/>
</head>
<body>
<div class="load-body">
<div class="wrapper">
<header>File Uploader JavaScript</header>
<form action="#">
<input class="file-input" type="file" name="file" hidden>
<i class="fas fa-cloud-upload-alt"></i>
<p>Browse File to Upload</p>
</form>
<section class="progress-area"></section>
<section class="uploaded-area"></section>
</div>
</div>
</body>
<script src="./jquery.js"></script>
<script src="./script.js"></script>
</html>
JS
const form = document.querySelector("form"),
fileInput = document.querySelector(".file-input"),
progressArea = document.querySelector(".progress-area"),
uploadedArea = document.querySelector(".uploaded-area");
// form click event
form.addEventListener("click", () => {
fileInput.click();
});
fileInput.onchange = ({target}) => {
let file = target.files[0]; //getting file [0] this means if user has selected multiple files then get first one only
var data = new FormData();
data.append('avatar', file);
$.ajax({
url: 'http://127.0.0.1:5000/file_uploader',
type: 'POST',
data: data,
cache: false,
processData: false,
contentType: false,
success: function(data, textStatus) {
progressArea.innerHTML = "";
let uploadedHTML = `<li class="row">
${file.name}上传完成 -> ${data}
</li>`;
// uploadedArea.innerHTML = uploadedHTML; //uncomment this line if you don't want to show upload history
uploadedArea.insertAdjacentHTML("afterbegin", uploadedHTML);
}
},
)
}
CSS
.load-body{
height: 1000px;
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: "Poppins", sans-serif;
display: flex;
align-items: center;
justify-content: center;
min-height: 100vh;
background: #6990F2;
}
::selection{
color: #fff;
background: #6990F2;
}
.wrapper{
width: 430px;
background: #fff;
border-radius: 5px;
padding: 30px;
box-shadow: 7px 7px 12px rgba(0,0,0,0.05);
}
.wrapper header{
color: #6990F2;
font-size: 27px;
font-weight: 600;
text-align: center;
}
.wrapper form{
height: 167px;
display: flex;
cursor: pointer;
margin: 30px 0;
align-items: center;
justify-content: center;
flex-direction: column;
border-radius: 5px;
border: 2px dashed #6990F2;
}
form :where(i, p){
color: #6990F2;
}
form i{
font-size: 50px;
}
form p{
margin-top: 15px;
font-size: 16px;
}
section .row{
margin-bottom: 10px;
background: #E9F0FF;
list-style: none;
padding: 15px 20px;
border-radius: 5px;
display: flex;
align-items: center;
justify-content: space-between;
}
Flask
@app.route("/file_uploader", methods=["POST"])
def read_asset():
# 获取普通参数
print(f"request.values: {request.values}")
print(f"request.values.get('name'): {request.values.get('name')}")
# 获取文件类型的参数
print(f"request.files: {request.files}")
print(f"request.files.get('avatar'): {request.files.get('avatar')}")
# 获取上传文件的二进制流
print(f"request.files.get('avatar').read(): {request.files.get('avatar').read()}")
# request.files["avatar"].stream.read()
return "sesscs"
if __name__ == '__main__':
app.run()
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