图片裁剪上传
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2022-03-02 12:44:49
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[email protected].com:zj18508029370/-amongst-in-the-midst-of-.git
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>裁剪框</title>
<link rel="stylesheet" href="css/cropper.min.css">
<link rel="stylesheet" href="css/ImgCropping.css">
</head>
<body>
<div style="display: none" class="tailoring-container">
<div class="black-cloth" onclick="closeTailor(this)"></div>
<div class="tailoring-content">
<div class="tailoring-content-one">
<label title="上传图片" for="chooseImg" class="l-btn choose-btn">
<input type="file" accept="image/jpg,image/jpeg,image/png" name="file" id="chooseImg"
class="hidden" onchange="selectImg(this)">
选择图片
</label>
<div class="close-tailoring" onclick="closeTailor(this)">×</div>
</div>
<div class="tailoring-content-two">
<div class="tailoring-box-parcel">
<img id="tailoringImg">
</div>
<div class="preview-box-parcel">
<p>图片预览：</p>
<div class="square previewImg"></div>
<div class="circular previewImg"></div>
</div>
</div>
<div class="tailoring-content-three">
<button class="l-btn cropper-reset-btn">复位</button>
<button class="l-btn cropper-rotate-btn">旋转</button>
<button class="l-btn cropper-scaleX-btn">换向</button>
<button class="l-btn sureCut" id="sureCut">确定</button>
</div>
</div>
</div>
<img class="reolacImeUpload" src="" alt="">
<button id='replaceImg'>上传</button>
<script src="./js/jquery-1.12.4.js"></script>
<script src="./js/cropper.min.js"></script>
<script>
//弹出框水平垂直居中
(window.onresize = function () {
var win_height = $(window).height();
var win_width = $(window).width();
if (win_width <= 768) {
$(".tailoring-content").css({
"top": (win_height - $(".tailoring-content").outerHeight()) / 2,
"left": 0
});
} else {
$(".tailoring-content").css({
"top": (win_height - $(".tailoring-content").outerHeight()) / 2,
"left": (win_width - $(".tailoring-content").outerWidth()) / 2
});
}
})();
//弹出图片裁剪框
$("#replaceImg").on("click", function () {
$(".tailoring-container").toggle();
});
//图像上传
function selectImg(file) {
if (!file.files || !file.files[0]) {
return;
}
var reader = new FileReader();
reader.onload = function (evt) {
var replaceSrc = evt.target.result;
//更换cropper的图片
$('#tailoringImg').cropper('replace', replaceSrc, false);//默认false，适应高度，不失真
}
reader.readAsDataURL(file.files[0]);
}
//cropper图片裁剪
$('#tailoringImg').cropper({
aspectRatio: 1.3 / 2,//默认比例
preview: '.previewImg',//预览视图
guides: false, //裁剪框的虚线(九宫格)
autoCropArea: 0.5, //0-1之间的数值，定义自动剪裁区域的大小，默认0.8
movable: true, //是否允许移动图片
dragCrop: true, //是否允许移除当前的剪裁框，并通过拖动来新建一个剪裁框区域
movable: true, //是否允许移动剪裁框
resizable: true, //是否允许改变裁剪框的大小
zoomable: false, //是否允许缩放图片大小
mouseWheelZoom: true, //是否允许通过鼠标滚轮来缩放图片
touchDragZoom: true, //是否允许通过触摸移动来缩放图片
rotatable: true, //是否允许旋转图片
crop: function (e) {
// 输出结果数据裁剪图像。
}
});
//旋转
$(".cropper-rotate-btn").on("click", function () {
$('#tailoringImg').cropper("rotate", 45);
});
//复位
$(".cropper-reset-btn").on("click", function () {
$('#tailoringImg').cropper("reset");
});
//换向
var flagX = true;
$(".cropper-scaleX-btn").on("click", function () {
if (flagX) {
$('#tailoringImg').cropper("scaleX", -1);
flagX = false;
} else {
$('#tailoringImg').cropper("scaleX", 1);
flagX = true;
}
flagX != flagX;
});
//裁剪后的处理
$("#sureCut").on("click", function () {
if ($("#tailoringImg").attr("src") == null) {
return false;
} else {
var cas = $('#tailoringImg').cropper('getCroppedCanvas');//获取被裁剪后的canvas
var base64url = cas.toDataURL('image/png'); //转换为base64地址形式
$('.reolacImeUpload').attr('src',base64url)//显示为图片的形式
var file=base64url
//关闭裁剪框
closeTailor();
// $.ajax({
// url: '',
// type: '',
// data: {
// base: '64',
// file: file
// },
// async: true,
// success: function (res) {
// }
// });
}
});
//关闭裁剪框
function closeTailor() {
$(".tailoring-container").toggle();
}
</script>
</body>
</html>`在这里插入代码片`
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