注意：prototype.js是js类库，'dict.txt'是中文词典。在我的126/163邮箱和开心网附件里
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>
<script language="javascript" src="prototype.js"></script>
<script language="javascript">
var dict = "";
var lastword = "";
//ajax 装载字库
new Ajax.Request('dict.txt',{onComplete:function(response){dict=response.responseText+"";}});
var rs = [];
function divide(text){
if(text.length==0) return true;
var word = text.substring(0,1)+"";
var regExp = /\w/;
//英文
if(regExp.test(word)){
var tmp = text.replace(/^\s*(\w+)\s*.*$/,"$1");
text = text.replace(/^\s*\w+\s*/,"");
rs.push(tmp);
divide(text);
return;
}
var words = [];
var end = 0;
var start = -1;
while((start = dict.indexOf('\r\n'+word,end))!=-1){
end = dict.indexOf('\r\n',start+1);
if(start==-1||end==-1) return false;
if(start>end) return false;
words.push(dict.substr(start,end-start).replace(/(\r\n|\s)/g,""));
}
var tmp = "";
for(j=0;j<words.length;j++){
//找到最长的词，当然也可以将所有词保留
if(text.indexOf(words[j])!=-1&&words[j].length>tmp.length){
tmp=words[j];
}
}
//词库不存在的词
if(tmp == ""){
tmp = word;
}
text=text.replace(tmp,"");
if(tmp.replace(/\s/g,'')!="")
rs.push(tmp);
divide(text);
}
function dodivde(){
var text = $('word').value;
rs = [];
divide(text);
$('dividresult').innerHTML=rs;
}
</script>
<BODY>
<input type="text" name="word" id="word" onblur="dodivde();" />
<input name="do" type="button" value="分词" onclick="dodivde();" />
<span id="dividresult"></span>
</body>
</html>
随滚动条上下滚动
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