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function createRequest() { try { ggg = new XMLHttpRequest(); } catch (tryMS) { try { ggg = new ActiveXObject("Msxml2.XMLHTTP"); } catch (otherMS) { try { ggg = new ActiveXObject("Microsoft.XMLHTTP"); } catch (failed) { ggg = null; } } } return ggg; } function getDetails(itemName) { xxx = createRequest(); if (xxx == null) { alert("Unable to create request"); return; } var url = "getDetails.php?ImageID=" + escape(itemName); xxx.open("GET", url, true); xxx.onreadystatechange = displayDetails; xxx.send(null); } function displayDetails() { if (ggg.readyState == 4) { if (ggg.status == 200) { detailDiv = document.getElementById("description"); detailDiv.innerHTML = ggg.responseText; } } } /////////////////////////////////////////////////////// function displayDetails 里面没有定义 ggg, 为何能够识别到？ [ 本帖最后由 atransformer 于 2011-9-30 11:38 编辑 ] |
