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我实现了导航从一个页面(PAGE_1)到另一个页面(page_2)当你点击的按钮。这些是内部页面。但是,我想强制重新加载page_2当你点击该按钮(指当你从page_2回PAGE_1,按钮上再次单击导航在这个时候我想刷新页面page_2)。如何实现这一点。我使用了下面的代码,但它不工作。请任何人都可以帮助我。jQuery的手机:如何刷新内部页面,当你点击按钮
Updated
食品&练习屏幕
<div data-role="page" id="Page_1">
<div data-role="header" data-theme="b" data-position="fixed">
<h1>Food_Exercise</h1>
</div>
<div data-role="content">
<div id="FItem1" data-role="fieldcontain" onclick="food_selection(this)">Select Food item</div>
</div>
</div>
< script type="text/javascript">
function food_selection(ofoodsel)
{
$("#Food_Items").trigger("create");
$.mobile.changePage($("#Food_Items"), {transition: "pop"});
}
< /script>
Food Screen
<div data-role="page" id="Food_Items">
<div data-role="header" data-theme="b" data-position="fixed">
<a data-role="button" data-rel="back" data-icon="back">back</a>
<h1>Food Items</h1>
</div>
<div data-role="content">
<form>
<div>
<select id="choice" name="choice" onchange="setFoodItemQty(this,Item_Qty)" size="1" >
<option selected="selected">Select Food Items</option>
<script type="application/javascript">
setFoodItem(this);
</script>
</select>
<select id="Item_Qty" name="Item_Qty" disabled="disabled" size="1" onchange="setItemCal(choice,this)" ></select>
<div id="Food_Calories" data-role="fieldcontain"></div>
</div>
</form>
<a onclick="display_food()" data-role="button">Submit</a>
</div>
</div>
Food Script
< script type="text/javascript">
var foodItems = Object();
//Food
foodItems['Cooked rice'] = '1cup(100gms)|2cups(200gms)|3cups(300gms)|4cups(400gms)|5cups(500gms)|6cups(600gms)|7cups(700gms)';
foodItems['Chapathi'] = '1(46.5gms)|2(93gms)|3(140gms)|4(186gms)|5(233gms)|6(279gms)';
foodItems['Dosa'] = '1(50gms)|2(100gms)|3(150gms)|4(200gms)|5(250gms)|6(300gms)';
foodItems['Sambar'] = '1cup(150gms)|2cups(300gms)|3cups(450gms)|4cups(600gms)|5cups(750gms)';
foodItems['TomatoRasam'] = '1cup(130gms)|2cups(260gms)|3cups(390gms)|4cups(520gms)|5cups(650gms)';
foodItems['Brinjal curry'] = '1cup(305gms)|2cups(610gms)|3cups(915gms)|4cups(1220gms)|5cups(1525gms)';
//Calorie count arrays for Food
var cookedRiceArr = Object();
cookedRiceArr[0] = '228 cal|456 cal|684 cal|912 cal|1140 cal|1368 cal| 1596 cal';
var chapathiArr = Object();
chapathiArr[0] = '101.5 cal|203 cal|304.5 cal|406 cal|507.5 cal|609 cal'
var dosaArr = Object();
dosaArr[0] = '135 cal|270 cal|405 cal|540 cal|675 cal|810 cal'
var sambarArr = Object();
sambarArr[0] = '100 cal|200 cal|300 cal|400 cal|500 cal'
var tomatoRasamArr = Object();
tomatoRasamArr[0] = '156 cal|312 cal|468 cal|624 cal|780 cal'
var brinjalCurryArr = Object();
brinjalCurryArr[0] = '215 cal|430 cal|645 cal|860 cal|1075 cal'
//End of food item calorie arrays
//Food Cohice
var choiceItem;
var foodQuantity;
var foodCal;
//Food item and Quantity instance
var foodItemInstance;
var qtyInstance;
function setFoodItem(oChoiceSel)
{
for (choice in foodItems)
document.write('<option value="' + choice + '">' + choice + '</option>');
}
function setFoodItemQty(oChoiceSel, oItemQtySel)
{
var itemQtyArr;
oItemQtySel.length = 0;
choiceItem = oChoiceSel.options[oChoiceSel.selectedIndex].text;
$('#Food_Calories').text("");
if (foodItems[choiceItem])
{
$(oItemQtySel).selectmenu('enable');
oItemQtySel.options[0] = new Option('Select Quantity','');
itemQtyArr = foodItems[choiceItem].split('|');
for (var i = 0; i < itemQtyArr.length; i++)
oItemQtySel.options[i + 1] = new Option(itemQtyArr[i], itemQtyArr[i]);
$(oItemQtySel).selectmenu("refresh");
}
else
{
$(oItemQtySel).selectmenu("refresh");
$(oItemQtySel).selectmenu('disable');
}
}
function setItemCal(oChoiceSel, oItemQtySel)
{
//instances
foodItemInstance = oChoiceSel;
qtyInstance = oItemQtySel;
foodQuantity = oItemQtySel.options[oItemQtySel.selectedIndex].text;
if(oChoiceSel.selectedIndex == 1)
{
var cookedRice = cookedRiceArr[0].split('|');
for (var i = 1; i <= cookedRice.length; i++)
{
if(i == oItemQtySel.selectedIndex)
{
foodCal = cookedRice[i-1];
$('#Food_Calories').text("Calories: "+cookedRice[i-1]);
}
}
}
if(oChoiceSel.selectedIndex == 2)
{
var chapathi = chapathiArr[0].split('|');
for (var i = 1; i <= chapathi.length; i++)
{
if(i == oItemQtySel.selectedIndex)
{
foodCal = chapathi[i-1];
$('#Food_Calories').text("Calories: "+chapathi[i-1]);
}
}
}
if(oChoiceSel.selectedIndex == 3)
{
var dosa = dosaArr[0].split('|');
for (var i = 1; i <= dosa.length; i++)
{
if(i == oItemQtySel.selectedIndex)
{
foodCal = dosa[i-1];
$('#Food_Calories').text("Calories: "+dosa[i-1]);
}
}
}
if(oChoiceSel.selectedIndex == 4)
{
var sambar = sambarArr[0].split('|');
for (var i = 1; i <= sambar.length; i++)
{
if(i == oItemQtySel.selectedIndex)
{
foodCal = sambar[i-1];
$('#Food_Calories').text("Calories: "+sambar[i-1]);
}
}
}
if(oChoiceSel.selectedIndex == 5)
{
var tomatoRasam = tomatoRasamArr[0].split('|');
for (var i = 1; i <= tomatoRasam.length; i++)
{
if(i == oItemQtySel.selectedIndex)
{
foodCal = tomatoRasam[i-1];
$('#Food_Calories').text("Calories: "+tomatoRasam[i-1]);
}
}
}
if(oChoiceSel.selectedIndex == 6)
{
var brinjalCurry = brinjalCurryArr[0].split('|');
for (var i = 1; i <= brinjalCurry.length; i++)
{
if(i == oItemQtySel.selectedIndex)
{
foodCal = brinjalCurry[i-1]+"cal";
$('#Food_Calories').text("Calories: "+brinjalCurry[i-1]);
}
}
}
}
</script>
它不工作。我应该在哪里使用上面的代码。我在changePage行上面使用。在page_2中,我正在动态添加数据。这是否有任何问题刷新页面? – naresh 2012-01-09 07:09:40
我加了代码请看一次 – naresh 2012-01-09 07:40:16
调用.trigger(“create”);在添加/更改/修改列表项后,请调用它 – 2012-01-09 14:19:23