jQuery Navbar “persistent toolbars” doesn't work even simple example - what do I do wrong?

问题

I'm trying to implement navbar "persistent toolbars" so that I need to define the navigation bar once.

ref: http://jquerymobile.com/demos/1.2.0/docs/toolbars/footer-persist-a.html

(you need to define data-id="the same" on each page)

First I put straight into my development, did no work and as I see it does not seem to work with simple cases either, I tried all kind of combinations.

What can be wrong width the following code ? Navivagtion leads to the second page but not toolbar there.

CODE:

<body>
<div data-role="page" id="page" data-id="stHedaer>
    <div data-role="header">
        <h1>Page One</h1>
        <div data-role="navbar"  data-position="fixed">
            <ul>
                <li><a href="#p2">page2</a></li>
                <li><a href="#p3">page3</a></li>
            </ul>
        </div>
    </div>
    <div data-role="content"> Page one </div>
    <div data-role="footer">
        <h4>Page Footer</h4>
    </div>
</div>
<div data-role="page" id="p2"  data-id="stHedaer">
    <div data-role="header" >
        <h1>Page Two</h1>
    </div>
    <div data-role="content"> Content </div>
    <div data-role="footer">
        <h4>Page Footer</h4>
    </div>
</div>
<div data-role="page" id="p3"  data-id="stHedaer" >
    <div data-role="header">
        <h1>Page Three</h1>
    </div>
    <div data-role="content"> Content </div>
    <div data-role="footer">
        <h4>Page Footer</h4>
    </div>
</div>
</body>

回答1:

jQM documentation must be read carefully. If you want navbar on every page you need to put it on every page. With:

...data-position="fixed" data-id="footer"...

in header and footer a like.

Here's a working example: http://jsfiddle.net/Gajotres/Beq4H/

<!DOCTYPE html>
<html>
<head>
  <title>Share QR</title>
    <meta name="viewport" content="width=device-width, initial-scale=1"/>       
  <link rel="stylesheet" href="http://code.jquery.com/mobile/1.2.0/jquery.mobile-1.2.0.min.css" />
  <script src="http://code.jquery.com/jquery-1.7.2.min.js"></script>
  <script src="http://code.jquery.com/mobile/1.2.0/jquery.mobile-1.2.0.min.js"></script>
</head>

<body>

  <div data-role="page" id="home">
    <div data-role="header" data-theme="b" data-position="fixed" data-id="footer">
      <a href="#home" data-icon="home" data-iconpos="notext">Home</a>
      <h1>Share QR</h1>
    </div>
    <div data-role="content">
      <p>Hello world!</p>
    </div>
    <div data-role="footer" data-theme="b" data-position="fixed" data-id="footer">
        <div data-role="navbar">
            <ul>
                <li><a href="#about" data-transition="slide">page2</a></li>
                <li><a href="#about" data-transition="slide">page3</a></li>
            </ul>
        </div>
    </div>
  </div>

  <div data-role="page" id="about">
    <div data-role="header" data-theme="b" data-position="fixed" data-id="footer">
      <a href="#home" data-icon="home" data-iconpos="notext">Home</a>
      <h1>About</h1>
      <a href="#home" data-icon="arrow-l" data-rel="back">Back</a> 
    </div>
    <div data-role="content">
      <p>Share your favorite URLs with other mobile phone users through QR codes.</p>
    </div>
    <div data-role="footer" data-theme="b" data-position="fixed" data-id="footer">
        <div data-role="navbar">
            <ul>
                <li><a href="#home" data-transition="slide">page2</a></li>
                <li><a href="#home" data-transition="slide">page3</a></li>
            </ul>
        </div>
    </div>
  </div>

</body>
</html>

来源：https://stackoverflow.com/questions/14416598/jquery-navbar-persistent-toolbars-doesnt-work-even-simple-example-what-do-i

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