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问题:

My English is not good enough so I hope you understand what's my problem...

I have a page 'A' with a form. When I click Submit, I want it to open/redirect to a page 'B', and I want to show on page 'B' the data of the form in page 'A'... I want to do this with JavaScript, not with jQuery or so. I've tried with window.opener or things like that... Next, the example code is shown.

Page 'A':

<html>
    <head>
    </head>
    <body>
        <form method="post" name="form1" id="form1">
            <input type="text" name="field1">
            <input type="submit" name="submit" onclick="window.open('show.html');">
        </form>
    </body>
</html>

Page 'B':

<html>
    <head>
    </head>
    <body>
        <script>
            var x = opener.document.forms["form1"]["field1"].value;
    document.write(x);
        </script>
    </body>
</html>

It's really important that page 'B' can show data from the form on page 'A'. I can't use PHP or another technology... :/

I hope you understand what I'm asking. Thanks!

**UPDATE

The solution (at least for me) is localStorage, as Sagar Hani indicated. Anyway, thanks to people who answered!

回答1:

Never you can get POST data from client side (using javascript or any other client side language)
You must use a server side language to get post data (like PHP, nodeJs).
But you can simply get GET data from client side (javascript).

Following is the exact solution that you want.

Page 'A' (a.html)

   <html>
        <head>
        </head>
        <body>
            <form action="b.html" method="get" name="form1" id="form1">
                <input type="text" name="field1">
                <input type="submit" name="submit">
            </form>
        </body>
    </html>

Page 'B' (b.html)

<script>

alert(findGetParameter("field1"))

function findGetParameter(parameterName) {
    var result = null,
        tmp = [];
    location.search
        .substr(1)
        .split("&")
        .forEach(function (item) {
          tmp = item.split("=");
          if (tmp[0] === parameterName) result = decodeURIComponent(tmp[1]);
        });
    return result;
}

</script>

回答2:

Can't be PHP? With PHP you can also send the info to page B and display to user all the info. In fact, is more user friendly because it's a server side process.