html – jquery mobile – 设置选择/选项值

我尝试使用jquery Mobile设置选择/选项值，似乎无法使其工作。

<!-- Complete example below. -->
 
<!DOCTYPE html>
<html>
<head>
    <link rel="stylesheet" href="jquery.mobile/jquery.mobile.css" /> 
    <script type="text/javascript" src="jquery.mobile/jquery.js"></script>
    <script type="text/javascript" src="jquery.mobile/jquery.mobile.js"></script>
</head>
<body>
 
<div data-role="page" id="mainmenu">
    <div data-role="header" data-position="inline">
    <h1>Main Menu</h1>
    </div>
    <div class="ui-body ui-body-c">
    <div data-role="content">   
        <div id='placeholderA' ></div>  
        <div id='placeholderB' ></div>  
    <div class="ui-block-b"><button type="submit"  id="addPart" data-theme="a" data-icon="plus">Add Serial/Part</button></div>
    </div>
</body>
</html>         
 
<script>        
 
    var currentTab = "A";       
 
    // An XML fragment
    testXML =  "<?xml version='1.0' encoding='UTF-8' ?>\
    <Doc>\
        <DtlFields>\
            <ACTC>B</ACTC>\
            <QTY>5</QTY>\
        </DtlFields>\
        <DtlFields>\
            <ACTC>A</ACTC>\
            <QTY>6</QTY>\
        </DtlFields>\
    </Doc>";
 
    // An HTML fragment
    section = "<ul data-role='listview' data-theme='a'>\
            <li>PART: <span class='thisSection'></span>\
            <div data-role='fieldcontain'>\
                <label>A Label</label>\
                <select name='ACTC' id='preAction' data-theme='a'>\
                <option value='A'>A</option>\
                <option value='B'>B</option>\
                <option value='C'>C</option>\
                </select>\
            </div>\
            </li>\
            </ul>\
            <!-- ***   Quantity     *** -->\
            <div data-role='fieldcontain'>\
                <label>QTY</label>\
                <input type='range' name='QTY' id='preQuant01' value='1' min='1' max='10'/>\
            </div>\
        </div>";
 
 
$(document).ready(function () {
 
    /* Add a listeners to ADD PART */   
        $('#addPart').click(function() {                                
            var xml = $($.parseXML(testXML));           
            xml.find("DtlFields").each(function () {
                var XMLString= $(this);             
                fnAddPart(XMLString);                               
            });     
            return false;
        });   
 
    // add a part section to a Group on screen
    function fnAddPart(XMLString){
        myTmpl = $(section);                                                    
 
        if (XMLString != "" ){
 
            // set Quantity - this works
            var x =((XMLString).find("QTY").text());
            myTmpl.find("input[name='QTY']").attr('value',x);          
 
            // ************ set Activity - but this does not work! ***************
            var x =((XMLString).find("ACTC").text());           
            myTmpl.find("input[name='ACTC']").attr('value',x); 
 
        }       
        // append to page
        myTmpl.appendTo("#placeholder"+currentTab).page();                                                      
    }
});
 
</script>

解决方法

当在jQuery Mobile中以编程方式操作诸如选择字段的元素时，一旦进行了相关选择，您需要刷新元素，以便更新用户界面。这是一个在select字段中设置值的示例代码段，然后更新它：

// Grab a select field
var el = $('#YOUR_SELECT_FIELD');
 
// Select the relevant option,de-select any others
el.val('some value').attr('selected',true).siblings('option').removeAttr('selected');
 
// jQM refresh
el.selectmenu("refresh",true);

所以这是我怀疑你需要的最后一行。

html – jquery mobile – 设置选择/选项值

解决方法

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