6系统表单搜索以后如何给关键词进行高亮显示
js 文件 
sousu
jQuery.extend({highlight:function(a, j, g, f) {
if (a.nodeType === 3) {
var d = a.data.match(j);
if (d && d[0].length) {
var b = document.createElement(g || "span");
b.className = f || "highlight";
var h = a.splitText(d.index);
h.splitText(d[0].length);
var e = h.cloneNode(true);
b.appendChild(e);
h.parentNode.replaceChild(b, h);
return 1
}
} else {
if ((a.nodeType === 1 && a.childNodes) && !/(script|style)/i.test(a.tagName) && !(a.tagName === g.toUpperCase() && a.className === f)) {
for (var c = 0; c < a.childNodes.length; c++) {
c += jQuery.highlight(a.childNodes[c], j, g, f)
}
}
}
return 0
}});
jQuery.fn.unhighlight = function(a) {
var b = {className:"keyword",element:"span"};
jQuery.extend(b, a);
return this.find(b.element + "." + b.className).each(
function() {
var c = this.parentNode;
c.replaceChild(this.firstChild, this);
c.normalize()
}).end()
};
jQuery.fn.highlight = function(f, b) {
var d = {className:"keyword",element:"span",caseSensitive:false,wordsOnly:false};
jQuery.extend(d, b);
if (f.constructor === String) {
f = [f]
}
f = jQuery.grep(f, function(h, g) {
return h != ""
});
if (f.length == 0) {
return this
}
var a = d.caseSensitive ? "" : "i";
var ea = [];
$.each(f, function(i, ed) {
ed = decodeURIComponent(ed);
var eed = ed.replace(/([!~@`<>~！，。,.；;’'[]/?])/g, "$1");
if (eed) {
ea.push(eed);
}
});
var e = "(" + ea.join("|") + ")";
if (d.wordsOnly) {
e = "" + e + ""
}
var c = new RegExp(e, a);
return this.each(function() {
jQuery.highlight(this, c, d.element, d.className)
})
};
<script type="text/javascript">
(function($){
$('.tag-content').highlight(['{var name="keyword"/}']);
})(jQuery)
</script>
样式写上
span.keyword {
background-color: #ff8;
color: #f30;
}
