htmlarea 里面的内容全部选择和删除

htmlarea 里面的内容全部选择和删除是调用那几个方法。还有就是中文字符怎么再前台就是“？？？？”二〇〇九，显示成了“二？？？？九”

解决方案 »

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<script>
function ss(){
    var obj=document.getElementById("tt");
    var rng=document.body.createTextRange();

    rng.moveToElementText( obj );
    rng.select();
}
function dd(){
    var obj=document.getElementById("tt");
    obj.value="";
}
</script>
<textarea id="tt"></textarea>
<input type=button value="select" onclick="ss();"/>
<input type=button value="delete" onclick="dd();"/>
function ss(){
    var obj=document.getElementById("tt");
    obj.select();
}
3楼，我用了。调不了哦，主要是textarea 被htmlarea重写了，不能取到对象哦。4楼，我想问的是htmlarea的方式哦。谢谢你们了。问题还带解决中哦。
<%@ page contentType="text/html;charset=gb2312"%>
<%@ taglib uri="webwork" prefix="ww" %><html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>修改<ww:property value="infoTcategory.infoPname"/></title>
<link href="../css/admin.css" rel="stylesheet" type="text/css">
<script language='javascript' src='{WWWROOT}js/popcalendar/popcalendar.js'></script>
<script type="text/javascript">
　　 _editor_url = "../htmlarea/";
　　 _editor_lang = "zh-cn";
</script>
<script type="text/javascript" src="../htmlarea/htmlarea.js"></script>
<script type="text/javascript">
　　var editor = null;
function initEditor(){
　　editor = new HTMLArea("info_content");
　　editor.generate();
}
/*
function window.onload(){
    initEditor();
    tick();
    }
*/
</script>
<script LANGUAGE="javascript"> function FirstFocus()
{
    initEditor();
    tick();
document.FrmAddLink.info_title.focus()
}
function FrmAddLink_onsubmit()
{
if(document.FrmAddLink.info_title.value=="") {
alert("对不起，请输入标题！")
document.FrmAddLink.info_title.focus()
return false
} //else if (document.FrmAddLink.info_content.value=="") {
// alert("请填入内容")
// document.FrmAddLink.info_content.focus()
// return false
// }
}
function save(){
     if(document.getElementById("MyInfoTitle").value==""){
         alert("新闻要闻标题不能为空");
         document.getElementById("MyInfoTitle").focus();
         return false;
     }

document.FrmAddLink.info_content.value=editor.getHTML();
//alert(document.FrmAddLink.info_content.value);
if(document.FrmAddLink.idContent.value==""){
document.FrmAddLink.action="addInfoTcontent.action";
document.FrmAddLink.submit();
}else{
document.FrmAddLink.action="modiInfoTcontent.action";
document.FrmAddLink.submit();
}
//alert(document.FrmAddLink.idContent.value)
}
function picSflag()
{
if (document.FrmAddLink.ImgFlag.checked == true) {
document.FrmAddLink.picfile.disabled=false;
} else {
document.FrmAddLink.picfile.disabled=true;
document.FrmAddLink.ImgFile.value="";
}
}
function test(){
document.FrmAddLink.info_content.value=editor.getHTML();
//var t=document.FrmAddLink.info_content.value;
//alert(t);
}

function preview(){
window.open('../admin/Preview.jsp')
}

function focustext(){

var obj=document.getElementById("info_content");
    var rng=document.body.createTextRange();
    rng.moveToElementText( obj );
    rng.select();

}
function seftext(){
var obj=document.getElementById("info_content");
    obj.value="";
}

</script>
</head>
<body background="../images/admin/020.gif" onLoad="FirstFocus()">
<form method="POST" action="" name="FrmAddLink" language="javascript" onsubmit=" FrmAddLink_onsubmit()"><table width="800" border=1 align="center" cellPadding="6" cellSpacing="0" borderColorLight="#5E9BF7" borderColorDark="#FFFFFF" bgcolor="#FFFFFF">
  <tr>
<td bgcolor="#99CCFF" align="center" style="padding-top:6px;font-size:14px"><b>修改<ww:if test="infoTcategory.infoPid==8"><ww:property value='infoTcontent.infoTitle'/> </ww:if> <ww:else><ww:property value="infoTmiddle.infoMname"/></ww:else></b></td>
  </tr>
  <tr>
     <td bgcolor="#FFFFFF">
       <table border="0" width="100%">
          <tr>
            <td align="right" style="padding-top:3px"><b><ww:if test="infoTcategory.infoPid==8"><ww:property value='infoTcontent.infoTitle'/> </ww:if> <ww:else><ww:property value="infoTmiddle.infoMname"/></ww:else>标题：</b></td>
            <td height="30"><input class="TextBorder" id="MyInfoTitle" name="infoTcontent.infoTitle" value="<ww:property value='infoTcontent.infoTitle'/>" size="80" maxlength="60"><font color="#FF0000">*</font></td>
          </tr>


          <tr>
            <td align="right" valign="top" style="padding-top:3px"><b><ww:if test="infoTcategory.infoPid==8"><ww:property value='infoTcontent.infoTitle'/> </ww:if> <ww:else><ww:property value="infoTmiddle.infoMname"/></ww:else>内容：</b></td>
            <td height="30">
<div><textarea id="info_content" name="info_Content" cols="80" rows="35"><ww:property value='infoTcontent.infoContent'/></textarea></div>
          </tr>
          <tr>
            <td align="right" valign="top" style="padding-top:3px"><b>查询关键字：</b></td>
            <td height="30"><input class="TextBorder"  name="infoTcontent.infoSearchkey" value="<ww:property value='infoTcontent.infoSearchkey'/>" size="80" maxlength="60"></td>
          </tr>
        </table>
       </td>
  </tr>
<tr><td align="center" bgcolor="#eeeeee">
<input type="button" value=" 确定 " name="CmdOk" class="button" onclick="save()"> 
<input type="reset" value=" 返回 " name="CmdCancel" class="button" onclick="javascript:history.go(-1)">
<input type="button" value=" 预览 " name="CmdCance2" class="button" onclick="preview()">
<input type="button" value=" 全选2 " name="CmdCance4" class="button" onclick="focustext()" >
<input type="button" value=" 全选3 " name="CmdCance5" class="button" onclick="seftext()" > </td>
  </tr>
</table>
</form>
</body>
</html>