我的代碼似乎無法從桌面上拉取圖片進行預覽。我不知道是什麼。所有這一切都是,給我看一張破碎的圖像。這是代碼。使用php和javascript創建圖片上傳器預覽圖片
的JavaScript
function ajaxFileUpload(upload_field)
{
// Checking file type
var re_text = /\.jpg|\.gif|\.jpeg|\.png|\.gif/i;
var filename = upload_field.value;
if (filename.search(re_text) == -1) {
alert("File should be either jpg or gif or jpeg or png");
upload_field.form.reset();
return false;
}
document.getElementById('picture_preview').innerHTML = '<img src="" width="10%" border="0" />';
upload_field.form.action = 'upload-picture.php';
upload_field.form.target = 'upload_iframe';
upload_field.form.submit();
upload_field.form.action = '';
upload_field.form.target = '';
return true;
}
HTML
<!-- iframe used for ajax file upload-->
<!-- debug: change it to style="display:block" -->
<iframe name="upload_iframe" id="upload_iframe" style="display:none;"></iframe>
<!-- iframe used for ajax file upload-->
<form name="pictureForm" method="post" autocomplete="off" enctype="multipart/form-data">
<div>
<span>Upload Picture :</span>
<input type="file" name="picture" onclick="preview()" id="picture" onchange="return ajaxFileUpload(this);" />
<span id="picture_error"></span>
<div id="picture_preview"></div>
</div>
</form>
瀏覽器顯示一張損壞的圖像,因爲它無法找到您的圖像。檢查您的瀏覽器控制檯,錯誤消息說什麼? –
它給了我一個「404(未找到)」的錯誤 – user2938948