为什么下面隐藏文本域的属性name的名字不能改成别的呀``一改就报错了`只能是“countent”
这个名字也是我开始的时候随便起了``后来要别人帮我解决发留言不换行的问题``给我加了个隐藏文本域和以下JScript代码``
`后来我为了阅读方便``把那个countent随便换什么名字发贴后就报错```换回countent就好了`错误代码在最下面``<script type="text/javascript">
function show(){
var nstr = "<pre>"+document.form.mycountent.value+"</pre>";
document.form.xcountent.value = nstr;
document.form[0].submit();
}
</script>
<form name="form" action="insert" method="post"> <table width="60%" border="0">
<tr >
<td>
内容<br>
<textarea rows="10" cols="50" name="countent" style="display: none"></textarea>
<textarea name="mycountent" rows="10" cols="50" /> </textarea>
</td>
</tr>
<tr align="center">
<td colspan="2">
<input type="submit" value="提交" onclick="show()"/>
<input type="reset" value="重至" /> </td>
</tr>
</table></form>
HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception java.lang.NullPointerException
com.jsp.web.InsertSerlvet.doPost(InsertSerlvet.java:36)
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.23 logs.
这个名字也是我开始的时候随便起了``后来要别人帮我解决发留言不换行的问题``给我加了个隐藏文本域和以下JScript代码``
`后来我为了阅读方便``把那个countent随便换什么名字发贴后就报错```换回countent就好了`错误代码在最下面``<script type="text/javascript">
function show(){
var nstr = "<pre>"+document.form.mycountent.value+"</pre>";
document.form.xcountent.value = nstr;
document.form[0].submit();
}
</script>
<form name="form" action="insert" method="post"> <table width="60%" border="0">
<tr >
<td>
内容<br>
<textarea rows="10" cols="50" name="countent" style="display: none"></textarea>
<textarea name="mycountent" rows="10" cols="50" /> </textarea>
</td>
</tr>
<tr align="center">
<td colspan="2">
<input type="submit" value="提交" onclick="show()"/>
<input type="reset" value="重至" /> </td>
</tr>
</table></form>
HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception java.lang.NullPointerException
com.jsp.web.InsertSerlvet.doPost(InsertSerlvet.java:36)
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.23 logs.
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