首先在Div中高度固定 宽度自动 里面添加文字 如图：
如果文字过长就自动扩充宽度达到如下图所示：
希望能给出代码 谢谢
在线等 求助 本人刚毕业菜鸟 弄JAVA 对前台不是很熟悉
nbsp;html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
nbsp;html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>首页</title> <style> #d1 { height: 100px; width: 50px; border: 1px solid red; word-wrap: break-word; } </style></head><body> <input type="text" id="txt" value="" onkeyup="check()" /> <div id="d1"> </div> <script type="text/javascript"> function getLength(str) { var wordwide = 0; for (var i = 0; i < str.length; i++) { var c = str.charCodeAt(i); if ((c >= 0x0001 && c <= 0x007e) || (0xff60 <= c && c <= 0xff9f)) {//单字节加1 wordwide++; } else { wordwide += 1; } } return wordwide; } function check() { var strContent = document.getElementById("txt").value; document.getElementById("d1").innerHTML = strContent; var _oldWidth = document.getElementById("d1").style.width.toString().replace("px", ""); if (_oldWidth != "") _oldWidth = parseInt(_oldWidth); else _oldWidth = 50; var _cnWordCnt = getLength(strContent); //汉字个数 var _totLength = strContent.length - _cnWordCnt + _cnWordCnt * 2; if (_totLength > (34 * (_oldWidth / 50))) { document.getElementById("d1").style.width = (_oldWidth + 50).toString() + "px"; } } </script></body></html>
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