完善分页插件，增加内部成员，确定控件是否已经初始化过一次。

//代码整理：懒人之家 www.lanrenzhijia.com
//分页插件
/**
2014-08-05 ch
2016-07-19 Modified By RenGuoQiang
**/
(function($){
var ms = {
init:function(obj,args){
return (function(){
ms.fillHtml(obj,args);
ms.bindEvent(obj,args);
})();
},
//填充html
fillHtml:function(obj,args){
return (function(){
obj.empty();
//上一页
if(args.current > 1){
obj.append('<a href="javascript:;" class="prevPage">&lt</a>');
}else{
obj.remove('.prevPage');
obj.append('<span class="disabled">&lt</span>');
}
//中间页码
if(args.current != 1 && args.current >= 4 && args.pageCount != 4){
obj.append('<a href="javascript:;" class="tcdNumber">'+1+'</a>');
}
if(args.current-2 > 2 && args.current <= args.pageCount && args.pageCount > 5){
obj.append('<span>...</span>');
}
var start = args.current -1,end = args.current+1;
if((start > 1 && args.current < 4)||args.current == 1){
end++;
}
if(args.current > args.pageCount-4 && args.current >= args.pageCount){
start--;
}
for (;start <= end; start++) {
if(start <= args.pageCount && start >= 1){
if(start != args.current){
obj.append('<a href="javascript:;" class="tcdNumber">'+ start +'</a>');
}else{
obj.append('<span class="current">'+ start +'</span>');
}
}
}
if(args.current + 2 < args.pageCount - 1 && args.current >= 1 && args.pageCount > 5){
obj.append('<span>...</span>');
}
if(args.current != args.pageCount && args.current < args.pageCount -2 && args.pageCount != 4){
obj.append('<a href="javascript:;" class="tcdNumber">'+args.pageCount+'</a>');
}
//下一页
if(args.current < args.pageCount){
obj.append('<a href="javascript:;" class="nextPage">&gt</a>');
}else{
obj.remove('.nextPage');
obj.append('<span class="disabled">&gt</span>');
}
})();
},
//绑定事件
bindEvent:function(obj,args){
return (function(){
obj.on("click","a.tcdNumber",function(){
var current = parseInt($(this).text());
ms.fillHtml(obj,{"current":current,"pageCount":args.pageCount});
if(typeof(args.backFn)=="function"){
args.backFn(current);
}
});
//上一页
obj.on("click","a.prevPage",function(){
var current = parseInt(obj.children("span.current").text());
ms.fillHtml(obj,{"current":current-1,"pageCount":args.pageCount});
if(typeof(args.backFn)=="function"){
args.backFn(current-1);
}
});
//下一页
obj.on("click","a.nextPage",function(){
var current = parseInt(obj.children("span.current").text());
ms.fillHtml(obj,{"current":current+1,"pageCount":args.pageCount});
if(typeof(args.backFn)=="function"){
args.backFn(current+1);
}
});
})();
}
}
$.fn.createPage = function(options){
var inited = false;
var args = $.extend({
pageCount : 10,
current : 1,
backFn : function(){}
},options);
alert(inited);
if(!inited) {
ms.init(this,args);
inited = true;
}
}
})(jQuery);