submit功能由图片来实现

1、用图片代替提交按钮submit和重置按钮reset,给图片加onclick事件

<scriptlanguage="javascript">
function fsubmit(obj){
obj.submit();
}
function freset(obj){
obj.reset();
}
</script>
<form id="form1" name="form1" method="post"action="login.asp">
姓名: <input type="text"name="textfield" />
<img src="uploads/200707/30_145425_001.jpg"onClick="javascript:fsubmit(document.form1);">
<img src="uploads/200707/30_145428_002.jpg"onClick="javascript:freset(document.form1);">
</form>

2、给1的图片加上style,用于弥补方法1鼠标移到图片上无反应,未能给客户好的浏览体验

<scriptlanguage="javascript">
function fsubmit(obj){
obj.submit();
}
function freset(obj){
obj.reset();
}
</script>
<form id="form1" name="form1" method="post"action="login.asp">
姓名: <input type="text"name="textfield" />
<img src="uploads/200707/30_145425_001.jpg"style="cursor:hand;"onClick="javascript:fsubmit(document.form1);">
<img src="uploads/200707/30_145428_002.jpg"style="cursor:hand;"onClick="javascript:freset(document.form1);">
</form>

3、用图片代替提交按钮submit和重置按钮reset,并加上链接,效果同2

<scriptlanguage="javascript">
function fsubmit(obj){
obj.submit();
}
function freset(obj){
obj.reset();
}
</script>
<form id="form1" name="form1" method="post"action="login.asp">
姓名: <input type="text"name="textfield" />
<ahref="javascript:fsubmit(document.form1);"><imgsrc="uploads/200707/30_145425_001.jpg" border="0"/></a>
<ahref="javascript:freset(document.form1);"><imgsrc="uploads/200707/30_145428_002.jpg" border="0"/></a>
</form>

4、使用图像域。由于默认图像域点击时都是提交表单,因而要进行适当的处理:

<scriptlanguage="javascript">
function fsubmit(obj){
obj.submit();
}
function freset(obj){
obj.reset();
}
</script>
<form id="form1" name="form1" method="post"action="login.asp">
姓名: <input type="text"name="textfield" />
<input type="image" name="imageField"onClick="javascript:fsubmit(document.form1);return false;"src="uploads/200707/30_145425_001.jpg">
<input type="image" name="imageField2"onClick="javascript:freset(document.form1);return false;"src="uploads/200707/30_145428_002.jpg">
</form>

要注意的是JS中表单提交和重置事件后必须加(),如submit()和reset()

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