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| $(function () {
class Upload {
constructor() {
this.$box = $(".box");
this.$input = $(".box .upload");
this.$image = $(".popup .image");
this.$popup = "";
this.cropper = null;
this.imgUrl = "";
this.init();
}
init() {
this.bindFileInputClick();
this.bindImageClick();
this.bindUploadChange();
}
openLayer() {
var that = this;
layui.use("layer", function () {
var layer = layui.layer;
that.$popup = layer.open({
offset: "100px",
title: "裁剪图片",
type: 1,
btn: ["确定"],
content: $(".popup"),
success: function () {
that.cropper = new Cropper(that.$image[0], {
aspectRatio: 1,
viewMode: 3,
});
console.log("new Cropper");
},
yes: function (index) {
console.log("保存");
that.saveCropped();
that.cropper.destroy();
that.cropper = null;
layer.close(index, () => {
$(".popup").hide();
});
console.log("cropper destroy");
},
cancel: function (index) {
that.cropper.destroy();
that.cropper = null;
layer.close(index, () => {
$(".popup").hide();
});
console.log("cropper destroy");
},
});
});
}
bindImageClick() {
var that = this;
this.$box.on("click", function (e) {
e.preventDefault();
e.stopPropagation();
that.$input.click();
});
}
bindFileInputClick() {
this.$input.on("click", function (e) {
e.stopPropagation();
});
}
initPopup(url) {
this.$input.val("");
this.$image.attr("src", url);
this.openLayer();
}
bindUploadChange() {
var that = this;
this.$input.on("change", function (e) {
var files = e.target.files;
var reader;
var file;
var url;
if (files && files.length > 0) {
file = files[0];
}
that.initPopup(URL.createObjectURL(file));
});
}
saveCropped() {
var that = this;
var saveAvatar = this.$box.find(".avatar").attr("src");
if (this.cropper) {
this.imgUrl = "";
var canvas = this.cropper.getCroppedCanvas({
width: 300,
height: 300,
});
canvas.toBlob(function (blob) {
var formData = new FormData();
formData.append("avatar", blob, "avatar.jpg");
$.ajax({
url: "https://jsonplaceholder.typicode.com/posts",
method: "post",
processData: false,
contentType: false,
success: function (res) {
console.log("upload success");
that.imgUrl = res.url;
console.log(res);
that.$box.find(".avatar").attr("src", canvas.toDataURL());
},
error: function () {
that.$box.find(".avatar").attr("src", saveAvatar);
console.log("upload error");
},
});
});
}
}
}
class Page {
constructor() {
this.$upload = new Upload();
this.consoleUrl();
}
consoleUrl() {
var that = this;
$(document).on("click", function () {
console.log(that.$upload.imgUrl);
});
}
}
new Page();
});
|
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