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限制输入框的字数和将阿拉伯数字翻译成中文大写

限制输入框的字数

<script language="JavaScript">
<!-- Begin
function textCounter(field, countfield, maxlimit) {
if (field.value.length > maxlimit)
field.value = field.value.substring(0,maxlimit);
else
countfield.value = maxlimit - field.value.length;
}
// End -->
</script>

将下面的代码复制到<body>~</body>内

<form method="POST" action="../0001/success.asp" name=form >
      <textarea cols="45" name="memo" rows="8" wrap="on" class="editbox2"  onKeyDown="textCounter(this.form.memo,this.form.remLen,160);" onKeyUp="textCounter(this.form.memo,this.form.remLen,160);"></textarea>
        <br>
        共可输入160字，还剩
    <input readonly type=text name=remLen size=3 maxlength=3 value="160" class=editbox1>
      字。 <br>
      <input type=submit value="  发送  " class=bottom name="submit">
      <input type=reset value="  重填  " class=bottom name="reset">
</form>


将阿拉伯数字翻译成中文的大写数字

<script language="javascript">
function Chinese(num)  //将阿拉伯数字翻译成中文的大写数字
{
    if(!/^\d*(\.\d*)?$/.test(num)) throw(new Error(-1, "Number is wrong!"));

    var AA = new Array("零","壹","贰","叁","肆","伍","陆","柒","捌","玖");
    var BB = new Array("","拾","佰","仟","萬","億","圆","");
    var CC = new Array("角", "分", "厘");
   
    var a = ("" num).replace(/(^0*)/g, "").split("."), k = 0, re = "";

    for(var i=a[0].length-1; i>=0; i--)  //author: meizz
    {
        switch(k)
        {
            case 0 : re = BB[7] re; break;
            case 4 : if(!new RegExp("0{4}\\d{" (a[0].length-i-1) "}$").test(a[0]))
                     re = BB[4] re; break;
            case 8 : re = BB[5] re; BB[7] = BB[5]; k = 0; break;
        }
        if(k%4 == 2 && a[0].charAt(i)=="0" && a[0].charAt(i 2) != "0") re = AA[0] re;
        if(a[0].charAt(i) != 0) re = AA[a[0].charAt(i)] BB[k%4] re; k ;
    }

    if(a.length>1) //加上小数部分(如果有小数部分)
    {
        re = BB[6];
        for(var i=0; i<a[1].length; i )
        {
          re = AA[a[1].charAt(i)] CC[i];
          if(i==2) break;
        }
    }
   // return re;
b.value= re ;
}

</script>
<input id=a onblur="Chinese(this.value)" onkeyup="Chinese(this.value)">
<input id=b>

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