<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>jquery上传头像</title>
<script src="http://libs.baidu.com/jquery/1.11.3/jquery.min.js"></script>
<style>
</style>
</head>
<body>
<img id="pic" style="width:100px;height:100px;border-radius:50%;" src="https://avatar.csdn.net/5/6/2/3_qq_38881495.jpg">
<input id="upload" name="file" accept="image/*" type="file" style="display: none">
<script>
$(function() {
$("#pic").click(function() {
$("#upload").click(); //隐藏了input:file样式后，点击头像就可以本地上传
$("#upload").on("change", function() {
var objUrl = getObjectURL(this.files[0]); //获取图片的路径，该路径不是图片在本地的路径
if (objUrl) {
$("#pic").attr("src", objUrl); //将图片路径存入src中，显示出图片
upimg();
}
});
});
});
//建立一?可存取到?file的url
function getObjectURL(file) {
var url = null;
if (window.createObjectURL != undefined) { // basic
url = window.createObjectURL(file);
} else if (window.URL != undefined) { // mozilla(firefox)
url = window.URL.createObjectURL(file);
} else if (window.webkitURL != undefined) { // webkit or chrome
url = window.webkitURL.createObjectURL(file);
}
return url;
}
//上传头像到服务器
function upimg() {
console.log(344)
var pic = $('#upload')[0].files[0];
var file = new FormData();
file.append('image', pic);
$.ajax({
url: "/uploadImg",
type: "post",
data: file,
cache: false,
contentType: false,
processData: false,
success: function(data) {
console.log(data);
var res = data;
$("#resimg").append("<img src='/" + res + "'>")
}
});
}
</script>
</body>
</html>
jquery上传头像图片功能完整前端实例
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