white-space: pre-wrap!important
word-wrap: break-word!important
*white-space:normal!important
}
css pre加了 强制换行怎么不可以比如，指定宽度为200px换行代码：
overflow: visible
width:200px
word-wrap:break-word
white-space:-moz-pre-wrap
针对IE7的强制换行代码:
word-wrap:break-word
针对火狐的强制换行代码:
white-space:-moz-pre-wrap
<script>
function toBreakWord(intLen){
var obj=document.getElementById("ff")
var strContent=obj.innerHTML
var strTemp=""
while(strContent.length>intLen){
strTemp+=strContent.substr(0,intLen)+"<br>"
strContent=strContent.substr(intLen,strContent.length)
}
strTemp+="<br>"+strContent
obj.innerHTML=strTemp
}
if(document.getElementById &&!document.all) toBreakWord(37)
</script>
