用encodeURIComponent就可以了。如以下代碼:
var name = document.getElementById("textName").value;
if (name=="樓盤名稱")
name = "";
var url="house/searchHouse.php?district="+encodeURIComponent(district);
var name = document.getElementById("textName").value;
if (name=="樓盤名稱")
name = "";
var url="house/searchHouse.php?district="+encodeURIComponent(district);