代码还有待完善:
<script type="text/javascript">
// close html tags --------------------------------------------
function closehtml(str){
var arrtags=["span","font","b","u","i","h1","h2","h3","h4","h5","h6","p","li","ul","table","div"];
for(var i=0;i<arrtags.length;i++){
var intopen=0;
var intclose=0;
var re=new regexp("\\<"+arrtags[i]+"( [^\\<\\>]+|)\\>","ig");
var arrmatch=str.match(re);
if(arrmatch!=null) intopen=arrmatch.length;
re=new regexp("\\<\\/"+arrtags[i]+"\\>","ig");
arrmatch=str.match(re);
if(arrmatch!=null) intclose=arrmatch.length;
for(var j=0;j<intopen-intclose;j++){
str+="</"+arrtags[i]+">";
}
/*for(var j=(intopen-intclose-1);j>=0;j--){
str+="</"+arrtags[i]+">";
}*/
}
return str;
}
// close ubb tags --------------------------------------------
function closeubb(str){
var arrtags=["code","quote","list","color","align","font","size","b"];
for(var i=0;i<arrtags.length;i++){
var intopen=0;
var intclose=0;
var re=new regexp("\\["+arrtags[i]+"(=[^\\[\\]]+|)\\]","ig");
var arrmatch=str.match(re);
if(arrmatch!=null) intopen=arrmatch.length;
re=new regexp("\\[\\/"+arrtags[i]+"\\]","ig");
arrmatch=str.match(re);
if(arrmatch!=null) intclose=arrmatch.length;
for(var j=0;j<intopen-intclose;j++){
str+="[/"+arrtags[i]+"]";
}
}
return str;
}
alert(closehtml("正常:<div class='testbox'><ul><li><b>加粗</b><span>字体哈哈"));
alert(closehtml("有错:<div class='testbox'><p><ul><li><b>加粗</b><span>字体哈哈"));
</script>
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