引用CSS
rush:xhtml;">
/js/jquery.imgareaselect-0.9.10/css/imgareaselect-default.css
引用js
rush:js;">
/js/jquery.imgareaselect-0.9.10/scripts/jquery.imgareaselect.min.js
/js/AjaxFileUploaderV2.1/ajaxfileupload.js
html
rush:xhtml;">
jQuery代码
rush:js;">
$("#mainimg_src",content).load(function () {
crop($("#mainimg",content));
});
function crop($img) { //$img是
//缩小比例
var scalex =$img.width() / $("#mainimg_src").width();
var scaley =$img.height() / $("#mainimg_src").height();
$img.imgAreaSelect({
x1:0,y1:0,x2:150,y2:150,handles: true,aspectRatio: '1:1',onSelectEnd: function (img,selection) {
var scaleX = 100 / (selection.width || 1);
var scaleY = 100 / (selection.height || 1);
$('#mainimgthumb').css({
width: Math.round(scaleX * 400) + 'px',height: Math.round(scaleY * 300) + 'px',marginLeft: '-' + Math.round(scaleX * selection.x1) + 'px',marginTop: '-' + Math.round(scaleY * selection.y1) + 'px'
});
$('input[name="x1"]',content).val(selection.x1/scalex);
$('input[name="y1"]',content).val(selection.y1/scaley);
$('input[name="x2"]',content).val(selection.x2/scalex);
$('input[name="y2"]',content).val(selection.y2/scaley);
}
});
}确定裁剪
rush:js;">
//确定剪切
$("form[name=fmCrop]",content).submit(function () {
var data = $("form[name=fmCrop]",content).serializeArray();
$.get('/members/web-members-rest/crop.html',data,function (r) {
switch (r.result) {
case "Success":
jAlert("操作成功");
$("#left_mainimg").attr("src","/" + r.path + '?a=' + (new Date()).format('yyyyMMddhhmmss'));
$("#myPreview",content).css("display","block");
$("#myPreview",content).prev().css("display","none");
$("#mainimg",content).imgAreaSelect({ hide: true });
$("form[name=fmUpload]","none");
$("input[name=btnSubmit]","none");
break;
}
});
return false;
});
$width = $x2-$x1;
$height = $y2-$y1;
$type=exif_imagetype($pic); //判断文件类型
$support_type=array(IMAGETYPE_JPEG,IMAGETYPE_PNG,IMAGETYPE_GIF);
if(!in_array($type,$support_type,true)) {
echo "this type of image does not support! only support jpg,gif or png";
exit();
}
switch($type) {
case IMAGETYPE_JPEG :
$image = imagecreatefromjpeg($pic);
break;
case IMAGETYPE_PNG :
$image = imagecreatefrompng($pic);
break;
case IMAGETYPE_GIF :
$image = imagecreatefromgif($pic);
break;
default:
echo "Load image error!";
exit();
}
$copy = $this->PI<a href="https://www.jb51.cc/tag/PHP/" target="_blank" class="keywords">PHP</a>_ImageCrop($image,$width,$height);//裁剪
imagejpeg($<a href="https://www.jb51.cc/tag/cop/" target="_blank" class="keywords">cop</a>y,$src_path); //替换新图
return ['result'=>'Success','path'=>$src_path]; //返回新图地址
}
function PIPHP_ImageCrop($image,$x,$y,$w,$h){
$tw = imagesx($image);
$th = imagesy($image);
if ($x > $tw || $y > $th || $w > $tw || $h > $th) return FALSE;
$temp = imagecreatetruecolor($w,$h);
image<a href="https://www.jb51.cc/tag/cop/" target="_blank" class="keywords">cop</a>yresampled($temp,$image,$h,$h);
return $temp; }
以上所述就是本文的全部内容了，希望大家能够喜欢。
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