This time I will show you how to use image to submit form, what are the precautions to use image to submit form, the following is a practical case, let's take a look.
The code is as follows:<form method="post" action="formtest.html" target="_blank" name="formtest"> <input type="hidden" name="userid" value="userid"> <input type="hidden" name="username" value="username"> <input type="image" src="imagesubmit.gif" border="0"> </form>
That way it will be submitted twice, the input itself is submitted once, and the js script is submitted again Submit once
Use
picture as the submit button. There are several methods as follows: 1.
<form method="post" action="formtest.jsp"> <input type="hidden" name="userid" value="userid"> <input type="hidden" name="username" value="username"> <input type="image" src="imagesubmit.gif" border="0"> </form>
2.
<script>
function formsubmit(){
document.formtest.action="formtest.jsp";
document.formtest.submit();
}
</script>
<form method="post" name="formtest">
<input type="hidden" name="userid" value="userid">
<input type="hidden" name="username" value="username">
<img src="imagesubmit.gif" border="0" onclick="formsubmit()">
</form>ProgrammingIf the parameters you want to submit change with the dynamically retrieved content
I believe you have mastered the methods after reading these cases. For more exciting information, please pay attention to other related articles on the php Chinese website! Related reading:How to implement HTML-like command line interface
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The above is the detailed content of How to use image to submit form. For more information, please follow other related articles on the PHP Chinese website!
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