[英]How to get the base64 image from TUI Image Editor?
你好,我在使用和编辑 api 方面是新手,我对 TUI 的图像编辑器有点难过。
我正在尝试将图像数据作为变量获取,以便我可以将其单独上传到网站,而不仅仅是将其下载到计算机上。
我正在使用这个人的 tui 版本。 我也尝试了其他方法,但它们对我来说并不完全奏效。
const imageEditor = new tui.ImageEditor('#tui-image-editor-container', {
includeUI: {
loadImage: {
path: 'img/sampleImage2.png',
name: 'SampleImage',
},
theme: blackTheme, // or whiteTheme
initMenu: 'filter',
menuBarPosition: 'bottom',
},
cssMaxWidth: 700,
cssMaxHeight: 500,
usageStatistics: false,
});
window.onresize = function () {
imageEditor.ui.resizeEditor();
}
document.querySelector('#downloadButton').addEventListener('click', () => {
const myImage = instance.toDataURL();
document.getElementById("url").innerHTML = myImage;
});
</script>
<p id="url">Test</p>
尝试使用其他指南更改代码,但现在显示此错误
更改代码
var imageEditor = new tui.ImageEditor('#tui-image-editor-container', {
includeUI: {
loadImage: {
path: 'img/sampleImage2.png',
name: 'SampleImage',
},
theme: blackTheme,
initMenu: 'filter',
menuBarPosition: 'left'
},
cssMaxWidth: 700,
cssMaxHeight: 1000,
usageStatistics: false
});
window.onresize = function() {
imageEditor.ui.resizeEditor();
}
function dataURLtoBlob(dataurl) {
var arr = dataurl.split(','), mime = arr[0].match(/:(.*?);/)[1],
bstr = atob(arr[1]), n = bstr.length, u8arr = new Uint8Array(n);
while(n--){
u8arr[n] = bstr.charCodeAt(n);
}
return new Blob([u8arr], {type:mime});
}
jQuery(document).ready(function ($) {
$('.tui-image-editor-download-btn').on('click', function (e) {
var blob = dataURLtoBlob(imageEditor.toDataURL());
var formData = new FormData();
formData.append('croppedImage', blob, 'sampleimage.png');
$.ajax({
url: '/files/upload_files/', // upload url
method: "POST",
data: formData,
success: function (data) {
alert('UPLOADED SUCCESSFULLY, PLEASE TRY AGAIN...');
},
error: function(xhr, status, error) {
alert('UPLOAD FAILED, PLEASE TRY AGAIN...');
}
});
return false;
});
});
</script>
添加了一些虚假陈述,以便可以发送 object 表格。
jQuery(document).ready(function ($) {
$('.tui-image-editor-download-btn').on('click', function (e) {
var blob = dataURLtoBlob(imageEditor.toDataURL());
var formData = new FormData();
formData.append('croppedImage', blob, 'sampleimage.png');
$.ajax({
contentType: false, //added
processData: false, //added
url: '/files/upload_files/', // upload url
method: "POST",
data: formData,
success: function (data) {
alert('UPLOADED SUCCESSFULLY, PLEASE TRY AGAIN...');
},
error: function(xhr, status, error) {
alert('UPLOAD FAILED, PLEASE TRY AGAIN...');
}
});
return false;
});
});
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