小楼夜听雨

原贴链接

支持无限多关键词分色高亮，如果多个关键词则以空格间隔。并且支持网页内的框架。完全可以取代内置的查找。可以将关键词保存在cookies中。这对大量查找文献资料的朋友非常有帮助。左上角浮动窗口显示关键词与所有匹配结果。并且可以点击实现“查找下一个”。

方法：
1、将以下内容复制粘贴到记事本，保存为uhb2.5.js文件，放在一个位置，如：\Opera\profile\JS这样的自建文件夹。

// Ultimate Highlight Bookmarklet 2.1
// nontroppo.org/wiki/UHB
//  Guide for scripting:
//   UltimateHighlight();                 -> Prompts for keywords to highlight
//   UltimateHighlightKeywords('keywords'); -> Highlights the 'keywords' string

// Options: 
var p000_UHOption_AutoHighlight= 1, // 1=Automatically highlight pages from google results
    p000_UHOption_AlwaysAsk    = 0, // 1=Always prompt for keywords
    p000_UHOption_ShowFollowUp = 1, // 1=Show results pane when possible
    p000_UHOption_UseCookies   = 1, // 1=Store search terms for each website using cookies
    p000_UHOption_ShowStats    = 0; // 1=Always show result tallies in javascript alert on framed pages

var p000_UHVar_colors=new Array('#ffff66','#A0FFFF','#99ff99','#ff9999','#ff66ff','coral','lime','chartreuse','deepskyblue','fuchsia','gold','indianred','silver','lightsteelblue','olive','orange','lightblue');
var p000_UHVar_gCount,p000_UHVar_gText,p000_UHVar_gKeywords,p000_UHVar_gRE,p000_UHVar_framed;
var p000_UHVar_d1=new Array(),p000_UHVar_d2=new Array(),p000_UHVar_d3=new Array();

// Constructs the results pane
function p000_UHFunc_CreateDiv() {
if(p000_UHOption_ShowFollowUp) {
var divel=document.createElement('div');
var bza='';
var br='<br style=\'display:inline\'/>';
divel.id='divz7rx8v';
divel.style.position='fixed !important';
divel.style.top='0 !important';
divel.style.right='0 !important';
divel.style.margin='0 !important';
divel.style.padding='5px !important';
divel.style.backgroundColor='#f2f2ee';
divel.style.border='2px solid #aaa';
divel.style.zIndex=9000;
divel.style.lineHeight='18px !important';
// "+ _ x" buttons
bza+='<SPAN STYLE=\'padding:5px; margin:0px;\'><a href=\'javascript:UltimateHighlight();UltimateHighlight();\' onmouseover=\'this.style.color=\"#AAA\";this.style.backgroundColor=\"#f2f2ee\";\' onmouseout=\'this.style.color=\"#333\";\' style=\'color:#333; font-family:verdana; text-decoration:none; border:none; font-weight:bold; font-size:12pt; line-height:18px;\'>+</a></SPAN>';
bza+='<SPAN STYLE=\'position:fixed !important; right:10px; top:5px;\'><a href=\'javascript:p000_UHFunc_CloseDiv();\' onmouseover=\'this.style.color=\"#AAA\";this.style.backgroundColor=\"#f2f2ee\";\' onmouseout=\'this.style.color=\"#333\";\' style=\'color:#333; font-family:verdana; text-decoration:none; border:none; font-weight:bold; font-size:12pt; line-height:18px;\'>_</a> ';
bza+='<a href=\'javascript:UltimateHighlight();\' onmouseover=\'this.style.color=\"#AAA\";this.style.backgroundColor=\"#f2f2ee\";\' onmouseout=\'this.style.color=\"#333\";\' style=\'color:#333; font-family:verdana; text-decoration:none; border:none; font-weight:bold; font-size:12pt; line-height:18px;\'>x</a></SPAN>'+br;
// Results
for(var i=0;i<p000_UHVar_d1.length;i++) {
if (p000_UHVar_d2[i]==0){
bza += '<SPAN STYLE=\'padding:5px; color:#000; font-family:verdana; text-decoration:none; border:none; font-size:10pt; line-height:18px;\'>'
+ p000_UHVar_d1[i]+' : '+'not found'+'<span> </span></SPAN>'+br;
} else {
bza += '<SPAN STYLE=\'padding:5px;\'>'
+ '<a href=\'#\' id=\'anch'+p000_UHVar_d1[i].replace(/\ /g,'_')+'\' onclick=p000_UHFunc_Goto(\''+i+'\') onmouseover=\'this.style.color=\"#e22\";this.style.backgroundColor=\"#f2f2ee\";\' onmouseout=\'this.style.color=\"#c00\";\' style=\'color:#c00; font-family:verdana; text-decoration:none; border:none; font-weight:bold; font-size:10pt; line-height:18px;\'>'
+ p000_UHVar_d1[i]+' : '+p000_UHVar_d2[i]+'<span> </span></a></SPAN>'+br;
}
}
divel.innerHTML=bza;
document.body.appendChild(divel);
}
}

// Jumps to the next result
function p000_UHFunc_Goto(here) {
var a = document.getElementById('anch' + p000_UHVar_d1[here].replace(/\ /g,'_'));
a.href = '#g7z' + p000_UHVar_d1[here].replace(/\ /g,'_') + p000_UHVar_d3[here];
a.childNodes[1].firstChild.data = ' / ' + (p000_UHVar_d3[here]+1);

p000_UHVar_d3[here]++;
if(p000_UHVar_d3[here] >= p000_UHVar_d2[here])
p000_UHVar_d3[here] = 0;
}

// Closes the results pane
function p000_UHFunc_CloseDiv() {
var ar;
if(ar=document.getElementById('divz7rx8v')) {
if(window.opera) {
ar.removeNode(true);
} else {
var arL=ar.childNodes.length;
for(var i=0;i<arL;i++) {
ar.removeChild(ar.childNodes[0]);
}
ar.parentNode.removeChild(ar);
}
}
}

// Loads the last saved highlight query used on the current domain
function p000_UHFunc_GetCookie() {
if(p000_UHOption_UseCookies) {
// Don't load cookie for google domain, because we will use the google search query instead
if(document.URL.indexOf('.google.')==-1) {
var search='xz7rx8vUltimateHighlight=';
if(document.cookie.length>0) {
var offset=document.cookie.indexOf(search);
if(offset!=-1) {
offset+=search.length;
var end=document.cookie.indexOf(';',offset);
if(end==-1) {
end=document.cookie.length;
}
p000_UHVar_gText=decodeURIComponent(document.cookie.substring(offset,end));
}
}
}
}
}

// Saves the highlight query in a cookie
function p000_UHFunc_SetCookie() {
if(p000_UHOption_UseCookies) {
document.cookie='xz7rx8vUltimateHighlight='+encodeURIComponent(p000_UHVar_gText)+';path=/;';
}
}

// Constructs the gKeywords, gCount, gRE, gText, d1, d2 and d3 objects
// using the highlight search query "text"
function p000_UHFunc_CheckSearchString(text) {
var x=text;
var i;
var er;
if(text==null) return;
if(text.length==0) return;

// Separate search terms with "|" character
var insidedblquotes=false;
var textpart=text.split('"');
text='';
for (i=0; i<textpart.length; i++) {
if (insidedblquotes) {
text=text+textpart[i].replace(/([\x00-\x19\x28-\x29\x7B-\xBF])+/g,'|').replace(/\+/g,' ');
} else {
text=text+textpart[i].replace(/([\x00-\x20\x28-\x29\x7B-\xBF\+])+/g,'|');
}
insidedblquotes=!insidedblquotes;
}
text='|'+text+'|';
text=text.replace(/\|+/g,'|');
if(text.length<=1) return;
p000_UHVar_gKeywords=null;
p000_UHVar_gRE=null;
p000_UHVar_gText=x;
p000_UHFunc_SetCookie();

// Construct global vars
p000_UHVar_gCount=null;
p000_UHVar_d1.length=0;
p000_UHVar_d2.length=0;
p000_UHVar_d3.length=0;
text=text.substring(1,text.length-1).toLowerCase();
p000_UHVar_gCount=text.split('|');
var len=text.replace(/[^\|]/g, '').length;
p000_UHVar_gKeywords=text.split('|');
for (i=len;i>=0;i--) {
p000_UHVar_d1[i]=p000_UHVar_gKeywords[i];
p000_UHVar_d2[i]=0;
p000_UHVar_d3[i]=0;
p000_UHVar_gKeywords[p000_UHVar_gKeywords[i]]=i;
p000_UHVar_gCount[p000_UHVar_gCount[i]]=0;
}

// Construct regular expression from text query
try {
// Join search terms
var temp='(('+p000_UHVar_d1.join(')|(')+'))';

// Escape special characters inside regexp
temp=temp.replace(/\\/g,'\\\\');
temp=temp.replace(/\-/g,'\\-');
temp=temp.replace(/\*/g,'\\/');
temp=temp.replace(/\$/g,'\\$');
temp=temp.replace(/\^/g,'\\^');
temp=temp.replace(/\./g,'\\.');

// Remove useless "|()" from regexp
temp=temp.replace(/\|\(\)/g,'');

p000_UHVar_gRE=new RegExp(temp,'i');
}
catch(er) {
alert('Unable to make regular expression with: '+text+'.\n\n'+er);
return;
}
return true;
}

// Remove highlights in window w
function p000_UHFunc_ClearWindowHighlights(w) {
var i;
var result=false;
if(p000_UHVar_framed) {
for (i=0;i<w.frames.length;i++) {
result=p000_UHFunc_ClearWindowHighlights(w.frames[i])||result;
}
} else {
result=p000_UHFunc_ClearNodeHighlights(w.document.body);
}
return result;
}

// Removes highlights created by ShowNodeHighlights
function p000_UHFunc_ClearNodeHighlights(node) {
var child,result=false,r;
if(node.nodeType==1) {
if(node.agohighlight) {
// Spannode
result=true;
node.parentNode.replaceChild(node.firstChild,node);
} else if(node.class_gz5rt7vw) {
// Anchor
result=true;
node.parentNode.removeChild(node);
} else if(node.childNodes&&node.tagName.toUpperCase()!='SCRIPT'&&node.tagName.toUpperCase!='STYLE') {
// Child nodes
for (child=node.childNodes.length-1;child>=0;child--) {
r=p000_UHFunc_ClearNodeHighlights(node.childNodes[child]);
result=result||r;
}
}
}
return result;
}

// Highlights all search terms in window w
function p000_UHFunc_ShowWindowHighlights(w) {
var j=0;
if(p000_UHVar_framed) {
for (j=0;j<w.frames.length;j++) {
p000_UHFunc_ShowWindowHighlights(w.frames[j],j);
}
} else {
p000_UHFunc_ShowNodeHighlights(w.document.body,w.document);
}
return true;
}

// Find and highlight search terms in a node
// Returns: the number of nodes that were added by this script
function p000_UHFunc_ShowNodeHighlights(node,mydoc) {
var nkeyw,match,pos=0,skip=0,spannode,middlebit,endbit,middleclone;
if(node.nodeType==3&&node.data) {
tmpdata=node.data.replace(/(\<SELECT.+\<\/SELECT.?\>|\<TEXTAREA.+\<\/TEXTAREA.?\>)/gi,'');
pos=tmpdata.search(p000_UHVar_gRE);
if(pos>=0) {
// Search term found -> Highlight the word(s)
match=RegExp.$1.toLowerCase();
nkeyw=p000_UHVar_gKeywords[match];
p000_UHVar_gCount[match]++;
spannode=mydoc.createElement('SPAN');
spannode.agohighlight=true;
spannode.style.border='dashed black 1px';
spannode.style.fontWeight='bold';
spannode.style.color='black';
spannode.style.backgroundColor=p000_UHVar_colors[nkeyw];
middlebit=node.splitText(pos);
endbit=middlebit.splitText(match.length);
middleclone=middlebit.cloneNode(true);
spannode.appendChild(middleclone);
middlebit.parentNode.replaceChild(spannode,middlebit);
skip=1;
if(p000_UHOption_ShowFollowUp) {
// Create an anchor to jump to this search term
anch=mydoc.createElement('a');
anch.class_gz5rt7vw=true;
anch.id='g7z'+p000_UHVar_d1[nkeyw].replace(/\ /g,'_')+p000_UHVar_d2[nkeyw];
spannode.parentNode.insertBefore(anch,spannode);
p000_UHVar_d2[nkeyw]++;
skip=2;
}
}
} else {
if(node.nodeType==1 && node.childNodes && node.tagName.toUpperCase()!='SCRIPT' && node.tagName.toUpperCase!='STYLE') {
// Visit all child nodes
for (var child=0; child<node.childNodes.length; ++child) {
child = child + p000_UHFunc_ShowNodeHighlights(node.childNodes[child],mydoc);
}
}
}
return skip;  
}

// MAIN highlighting function (Call UltimateHighlight(); with no parameters for normal behavior)
function UltimateHighlight(NoPopup,ReferrerOnly) {
var text,i;
try {
var f=window.top.frames;
}
catch (e) {
var f=window.frames;
}
// Don't show results pane on framed page
if(p000_UHVar_framed=(f.length>document.getElementsByTagName('iframe').length))
p000_UHOption_ShowFollowUp=0;

// If second execution -> Clear results and exit
if(p000_UHFunc_ClearWindowHighlights(window) || document.getElementById('divz7rx8v')) {
p000_UHFunc_CloseDiv();
return;
}

// Reload the last used search query
if(!ReferrerOnly && (p000_UHVar_gText==null))
p000_UHFunc_GetCookie();

// Check if google is the last page in history, and if so, use the search string from it
if(ReferrerOnly||(p000_UHVar_gText==null)) {
if(document.referrer.match(/(^|\.)google\.([^\.]+|[^\.]{2,3}\.[^\.]{2})$/) && document.referrer.indexOf('q=')!=-1) {
var queryTermsRegExp=new RegExp('q=([^&]+)');
if(queryTermsRegExp.test(document.referrer)) {
text=RegExp.$1.replace(/\+/g,' ');
text=decodeURI(text);
}
}
if(location.hostname.match(/(^|\.)google\.([^\.]+|[^\.]{2,3}\.[^\.]{2})$/) && document.URL.indexOf('q=')!=-1) {
var queryTermsRegExp=new RegExp('q=([^&]+)');
if(queryTermsRegExp.test(document.URL)) {
text=RegExp.$1.replace(/\+/g,' ');
text=decodeURI(text);
}
}
}

// Show a javascript popup asking for search string if necessary
if(!ReferrerOnly) {
if(NoPopup) {
text=p000_UHVar_gText;
} else {
text=(p000_UHOption_AlwaysAsk||!text)?prompt('Highlight keywords:',(p000_UHVar_gText==null?((text==null)?'':text):p000_UHVar_gText)):text;
}
}

// Validate search string and create global vars
if(!p000_UHFunc_CheckSearchString(text))
return;

// Make the magic happen
p000_UHFunc_ShowWindowHighlights(window);

if(p000_UHOption_ShowFollowUp) {
// Show results pane
p000_UHFunc_CreateDiv();
} else {
if(p000_UHOption_ShowStats&&!NoPopup) {
// Show results in a javascript alert
text='';
for (i=0;i < p000_UHVar_gCount.length;i++) {
text+=p000_UHVar_gCount[i]+': '+p000_UHVar_gCount[p000_UHVar_gCount[i]]+'\n';
}
text='Items found:\n'+text+'';
alert(text);
}
}
}

// Highlight search keywords
function UltimateHighlightKeywords(findtext) {
// Sometimes Opera sends the current URL to the script when the Opera search field is empty.
// If this is the case, it must be ignored.
tmp=findtext;
if(tmp.indexOf('#')>-1)
tmp=tmp.substr(0,tmp.indexOf('#'));
if(document.URL!=tmp){
p000_UHVar_gText=findtext;
UltimateHighlight(!p000_UHOption_AlwaysAsk,false);
} else {
UltimateHighlight();
}
}

// Auto-highlighting of search terms when google is referrer
if(p000_UHOption_AutoHighlight){
if( ! location.hostname.match(/(^|\.)google\.([^\.]+|[^\.]{2,3}\.[^\.]{2})$/) ) {
document.addEventListener('load',function(e) {UltimateHighlight(true,true);}, false);
}
}


// IF YOU ARE USING A BUTTON IN YOUR TOOLBAR THAT CAME WITH AN OLD VERSION, YOU EITHER HAVE
// TO UPDATE IT OR TO UNCOMMENT THE FOLLOWING LINE FOR COMPATIBILITY:
// function Highlight() {UltimateHighlight();} function HighlightKeywords(keys) {UltimateHighlightKeywords(keys);}

2、添加Highlight按钮。

3、在首选项－高级－内容中，指定JS选项中的用户JS文件路径，为1中自己保存的uhb2.5.js路径。重启。