下面代码供你参考,不知道你是不是想要实现这样的效果?<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD><BODY>
<FORM METHOD=POST ACTION="">
<select size="1" name="year1" onchange="year2.value=this.options[this.selectedIndex].text">
<option></option>
<option>2002</option>
<option>2003</option>
</select>年
年份:<input type="text" name="year2" size="40">
</FORM>
</BODY>
</HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD><BODY>
<FORM METHOD=POST ACTION="">
<select size="1" name="year1" onchange="year2.value=this.options[this.selectedIndex].text">
<option></option>
<option>2002</option>
<option>2003</option>
</select>年
年份:<input type="text" name="year2" size="40">
</FORM>
</BODY>
</HTML>
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