Question

我需要一些帮助，我一直得到这个错误，我从firebug得到了这个

ReferenceError: ECOFATTYACHID is not defined
getBaseplate(ECOFATTYACHID,this.value)

并且js文件看起来像这样，

function getThickness(projectName) {        

    var strURL="findThickness.php?project="+projectName;
    var req = getXMLHTTP();

    if (req) {

        req.onreadystatechange = function() {
            if (req.readyState == 4) {
                // only if "OK"
                if (req.status == 200) {                        
                    document.getElementById('thicknessDiv').innerHTML=req.responseText;
                    document.getElementById('baseplateDiv').innerHTML='<select name="baseplate">'+
                    '<option>Select Baseplate</option>'+'</select>';                        
                } else {
                    alert("Problem while using XMLHTTP:\n" + req.statusText);
                }
            }               
        }           
        req.open("GET", strURL, true);
        req.send(null);
    }       
}

function getBaseplate(projectName,thicknessVal) {       
    var strURL="findBaseplate.php?project="+projectName+"&thicknessValue="+thicknessVal;
    var req = getXMLHTTP();

    if (req) {
        req.onreadystatechange = function() {
            if (req.readyState == 4) {
                // only if "OK"
                if (req.status == 200) {                        
                    document.getElementById('baseplateDiv').innerHTML=req.responseText;                     
                } else {
                    alert("Problem while using XMLHTTP:\n" + req.statusText);
                }
            }               
        }           
        req.open("GET", strURL, true);
        req.send(null);
    }

}

并且php看起来像这样，

<?php 

$projectName = strval($_GET['project']); 

$query = "SELECT DISTINCT THICKNESS FROM COMPONENT_CUTTING WHERE PROJECT_NAME = :projectName";
$result = oci_parse($conn, $query);

oci_bind_by_name($result, ":projectName", $projectName);

oci_execute($result);

?>

<select name="thickness" onchange="getBaseplate(<?php echo $projectName?>,this.value)">
<option>Select Thickness</option>

<?php while ($row = oci_fetch_array($result, OCI_BOTH)) { ?>

<option value=<?php echo $row['THICKNESS']?>><?php echo $row['THICKNESS']?></option>

<?php } ?>

</select>

请帮助我，我在这里做错了什么？从第一次下拉和第二次下拉，我做得很好。所以我从第一个下拉列表得到projectName，从第二个下拉列表得到厚度。

Answer 1

请使用此

<select name="thickness" onchange='getBaseplate("<?php echo $projectName?>",this.value)'>

Answer 2

更改为

 <select name="thickness" onchange="getBaseplate('<?php echo $projectName?>',this.value)">

现在你要传递一个字符串

使用AJAX传递值时出错

2 个答案: