<html> <head> <meta charset="utf-8"> <title>xxx</title> </head> <body> <form action="" method="post"> <!-- 不能修改且不能提交 --> <input type="text" name="haha" value="hehe" disabled="disabled"> <!-- 不能修改且能提交 --> <input type="text" name="hehe44" value="lala" readonly="readonly"> <!-- 能修改且能提交 --> <input type="text" name="haha2" value="hehe" > <input type="submit" value="tijiao"> </form> </body> </html>