<form> <p align=center>用户姓名:<input type=text name=username size=30></p> <p align=center>用户密码:<input type=password name=pwd size=30></p> <p align=center>所在单位:<input type=text name=danwei size=30></p> <p align=center>联系方式:<input type=text name=lianxi size=30></p> <p align=center>详细地址:<input type=text name=dizhi size=30></p> <p align=center><input type=submit name=b1 value=" 确定 " onclick="disabled=true;username.disabled=true;pwd.disabled=true;danwei.disabled=true;lianxi.disabled=true;dizhi.disabled=true"> <input type=reset name=b1 value=" 重新填写 "></p> </form>