cropbox.js是一款轻量级图片在线裁剪插件,很适合做头像裁剪功能,支持放大缩小图片和多次裁剪。
js代码
<script src="javascript/cropbox.js"></script>
<script type="text/javascript">
window.onload = function() {
var options =
{
imageBox: '.imageBox',
thumbBox: '.thumbBox',
spinner: '.spinner',
imgSrc: 'tx.png'
}
var cropper = new cropbox(options);
document.querySelector('#file').addEventListener('change', function(){
var reader = new FileReader();
reader.onload = function(e) {
options.imgSrc = e.target.result;
cropper = new cropbox(options);
}
reader.readAsDataURL(this.files[0]);
this.files = [];
})
document.querySelector('#btnCrop').addEventListener('click', function(){
var img = cropper.getDataURL();
document.querySelector('.cropped').innerHTML += '<img src="'+img+'">';
})
document.querySelector('#btnZoomIn').addEventListener('click', function(){
cropper.zoomIn();
})
document.querySelector('#btnZoomOut').addEventListener('click', function(){
cropper.zoomOut();
})
};
</script>
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