JQERY limittext 插件0.2版(长内容限制显示)

增加一个显示更多的功能 附上代码:使用实例在附件

/** 
* demo: 
* 1.$("#limittext").limittext(); 
* 2.$("#limittext").limittext({"limit":1}); 
* 3.$("#limittext").limittext({"limit":1,"fill":"......","morefn":{"status":true}}); 
* 4.$("#limittext").limittext({"limit":1,"fill":"......","morefn":{"status":true,"moretext":"更多","lesstext":"隐藏部分","fullfn":function(){alert("more")},"lessfn":function(){alert("less")}}}) 
* 5.$("#limittext").limittext({"limit":1,"fill":"......","morefn":{"status":true}}).limit("all"); 
* @param {Object} opt 
* { 
* limit:30,//显示文字个数 
* fill:'...'//隐藏时候填充的文字 
* morefn:{ 
* status:false,//是否启用更多 
* moretext: "(more)",//隐藏部分文字时候显示的文字 
* lesstext:"(less)",//全部文字时候显示的文字 
* cssclass:"limittextclass",//启用更多的A标签的CSS类名 
* lessfn:function(){},//当文字为更少显示时候回调函数 
* fullfn:function(){}//当文字为更多时候回调函数 
* } 
* @author Lonely 
* @link http://www.liushan.net 
* @version 0.2 
*/ 
jQuery.fn.extend({ 
limittext:function(opt){ 
opt=$.extend({ 
"limit":30, 
"fill":"..." 
},opt); 
opt.morefn=$.extend({ 
"status": false, 
"moretext": "(more)", 
"lesstext":"(less)", 
"cssclass": "limittextclass", 
"lessfn": function(){ 
}, 
"fullfn": function(){ 
} 
},opt.morefn); 
var othis=this; 
var $this=$(othis); 
var body=$this.data('body'); 
if(body==null){ 
body=$this.html(); 
$this.data('body',body); 
} 
var getbuttom=function(showtext){ 
return "<a href='javascript:;' class='" 
+opt.morefn.cssclass+"'>" 
+showtext 
+"<a>"; 
} 
this.limit=function(limit){ 
if(body.length<=limit||limit=='all'){ 
var showbody=body+(opt.morefn.status?getbuttom(opt.morefn.lesstext):""); 
}else{ 
if(!opt.morefn.status){ 
var showbody=body.substring(0,limit) 
+opt.fill; 
}else{ 
var showbody=body.substring(0,limit) 
+opt.fill 
+getbuttom(opt.morefn.moretext); 
} 
} 
$this.html(showbody); 
} 
this.limit(opt.limit); 
$("."+opt.morefn.cssclass).live("click",function(){ 
if($(this).html()==opt.morefn.moretext){ 
showbody=body 
+getbuttom(opt.morefn.lesstext); 
$this.html(showbody); 
opt.morefn.fullfn(); 
}else{ 
othis.limit(opt.limit); 
opt.morefn.lessfn(); 
} 
}); 
return this; 
} 
});

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