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下面我有一個PHP腳本稱爲cancelimage.php它會顯示取消消息:如何顯示正確的消息?
<?php
$image_file_name = $_FILES['fileImage']['name'] ;
echo "$image_file_name Upload was Canceled";
?>
的問題是,當我點擊「取消」按鈕,它不會顯示此消息。相反,它會顯示消息「文件上傳過程中出現錯誤」。我相信這個消息出現的原因是因爲我說「return stopImageUpload」。
所以我的問題是,我如何能像我現在正在做的那樣返回到stopImageUpload,而是能夠顯示取消消息而不是它現在顯示的消息?
下面是我目前試圖解決這個問題但嘗試失敗的嘗試。下面同時顯示取消按鈕功能和stopImageUpload功能:
var cancelimagecounter = 0;
function startImageUpload(imageuploadform, imagefilename) {
cancelimagecounter++;
var _cancelimagecounter = cancelimagecounter;
$('.imageCancel').on("click", function (event) {
$('.upload_target').get(0).contentwindow
$("iframe[name='upload_target']").attr("src", "javascript:'<html></html>'");
jQuery.ajax("cancelimage.php?fileImage=" + image_file_name).done(function (data) {
$(".imageemsg" + _cancelimagecounter).html(data);
});
return stopImageUpload();
});
return true;
}
var imagecounter = 0;
function stopImageUpload(success, imagefilename) {
var result = '';
if (success == 1) {
result = '<span class="imagemsg' + imagecounter + '">The file was uploaded successfully!</span><br/><br/>';
$('.listImage').eq(window.lastUploadImageIndex).append('<div>' + htmlEncode(imagefilename) + '<button type="button" class="deletefileimage" image_file_name="' + imagefilename + '">Remove</button><br/><hr/></div>');
} else {
result = '<span class="imageemsg">There was an error during file upload!</span><br/><br/>';
}
return true;
}