完美解决PS导出文件过大的问题
教程作者：黑亦本篇教程和同学们分享一个小技巧，相信在PS做图当中有时会遇到PS卡顿或者提示PS导出JPG文件过大的问题，那么此时同学们都是如何做的呢？把PS关了再开启？把图片大小缩小，其实都是不是这个原因，具体如何做可以解决，通过教程我们一起来学习一下吧，说不定遇到的问题一下就解决了呢。
教程素材：//www.16xx8.com/photoshop/sucai/2018/d488538.html
操作步骤：
1.
http://pic1.16xx8.com/allimg/180627/16xx8-79330-0.png
这是文件的尺寸，不大也不小
2.
http://pic1.16xx8.com/allimg/180627/16xx8-79330-1.thumb.png
导出jpg可以看到，目前一张jpg差不多42 M
3.
http://pic1.16xx8.com/allimg/180627/16xx8-79330-2.thumb.png
然后导入制作好的文件，通过脚本导入。导入后ps会卡顿一小会，等正常后文件就恢复正常了。（因为内容问题，所以我把内容覆盖掉了）
4.
http://pic1.16xx8.com/allimg/180627/16xx8-79330-3.thumb.png
最后重新导出，可以看到文件已经是370 K 了。
5.文件制作：
function deleteDocumentAncestorsMetadata() {
whatApp = String(app.name);//String version of the app name
if(whatApp.search("Photoshop") > 0) { //Check for photoshop specifically, or this will cause errors
//Function Scrubs Document Ancestors from Files
if(!documents.length) {
alert("There are no open documents. Please open a file to run this s cript.")
return;
}
if (ExternalObject.AdobeXMPs cript == undefined) ExternalObject.AdobeXMPs cript = new ExternalObject("lib:AdobeXMPs cript");
var xmp = new XMPMeta( activeDocument.xmpMetadata.rawData);
// Begone foul Document Ancestors!
xmp.deleteProperty(XMPConst.NS_PHOTOSHOP, "DocumentAncestors");
app.activeDocument.xmpMetadata.rawData = xmp.serialize();
}
}
//Now run the function to remove the document ancestors
deleteDocumentAncestorsMetadata();
用记事本粘贴以上代码后另存，后缀改为JSX，即（名字.jsx）后打开问题文件，文件-脚本-浏览-载入JSX格式文件即可。
PS：如果怕该代码文件会损坏到psd文件，可以备份使用。
同学们可以试一下，遇到的问题说不定就迎刃而解了呢。http://www.16xx8.com/1diy/imges/wxapp_2wm.jpg 错误 代码有几处错误：function deleteDocumentAncestorsMetadata() {
whatApp = String(app.name);//String version of the app name
if(whatApp.search("Photoshop") > 0) { //Check for photoshop specifically, or this will cause errors
//Function Scrubs Document Ancestors from Files
if(!documents.length) {
alert("There are no open documents. Please open a file to run this script.")
return;
}
if (ExternalObject.AdobeXMPScript == undefined) ExternalObject.AdobeXMPScript = new ExternalObject("lib:AdobeXMPScript");
var xmp = new XMPMeta( activeDocument.xmpMetadata.rawData);
// Begone foul Document Ancestors!
xmp.deleteProperty(XMPConst.NS_PHOTOSHOP, "DocumentAncestors");
app.activeDocument.xmpMetadata.rawData = xmp.serialize();
}
}
//Now run the function to remove the document ancestors
deleteDocumentAncestorsMetadata();代码注意分行。
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