mirror of https://gitee.com/bigwinds/arangodb
139 lines
3.5 KiB
JavaScript
139 lines
3.5 KiB
JavaScript
(function($) {
|
||
$.fn.pagination = function(o) {
|
||
var prevText = o.prevText ? o.prevText : '<<';
|
||
var nextText = o.nextText ? o.nextText : '>>';
|
||
var moreText = o.moreText ? o.moreText :'...';
|
||
var isDisplayFirst = o.isDisplayFirst || true;
|
||
var isDisplayLast = o.isDisplayLast || true;
|
||
var current = o.current ? o.current : 1;
|
||
var count = o.count ? o.count : 0;
|
||
var link = o.link ? o.link : '#?page={p}';
|
||
var displayCount = o.displayCount ? o.displayCount : 7;
|
||
|
||
var me = $(this);
|
||
|
||
console.log(current);
|
||
|
||
me.initPagination = function () {
|
||
// 创建 ul
|
||
var ul = $('<ul>');
|
||
// 获取 页码数组
|
||
var disp = me.computeDisplayPageNumber();
|
||
for(var i=0;i<disp.length;i++){
|
||
// 创建 li
|
||
var li = $('<li>');
|
||
// 创建 a
|
||
var a = $("<a>");
|
||
// 计算超链接中的页码
|
||
var p=0;
|
||
if(disp[i]==moreText){
|
||
if(i==2){
|
||
p=disp[i+1]-1;
|
||
}else if(i==displayCount|| i==displayCount+1){
|
||
p=disp[i-1]+1;
|
||
}
|
||
}else if(disp[i]==prevText){
|
||
p = current-1;
|
||
}else if(disp[i]==nextText){
|
||
p = current+1;
|
||
}else{
|
||
p = disp[i];
|
||
}
|
||
// 超链接
|
||
var pLink = link.replace('{p}',p);
|
||
// 设置a的超链接和显示文本
|
||
a.attr("href",pLink).text(disp[i]);
|
||
// 为li添加a
|
||
li.append(a);
|
||
// 如果是当前页，设置样式
|
||
if(current ==disp[i]){
|
||
li.addClass('active');
|
||
}
|
||
// 向 ul 添加这个li
|
||
ul.append(li);
|
||
}
|
||
// 添加ul
|
||
me.append(ul);
|
||
};
|
||
|
||
me.computeDisplayPageNumber = function(){
|
||
var disp = new Array();
|
||
var j = 0;
|
||
// 如果当前页不是第一页，则添加 prevText
|
||
if(current>1){
|
||
disp[j] = prevText;
|
||
j++;
|
||
}
|
||
// 添加具体页码的逻辑
|
||
if(count <= 1){
|
||
// 如果总页数小于等于1，不添加任何页码
|
||
return disp;
|
||
}else if(count <= displayCount){
|
||
// 如果总页数小于显示页数，则添加页码——1至count
|
||
for(var i=1;i<=count;i++){
|
||
disp[j] = i;
|
||
j++;
|
||
}
|
||
}else if(displayCount - current >=2){
|
||
// (当前页在前端)如果显示页数 - 当前页 大于等于2，则添加页码——1至displayCount，后面再添加一个moreText，后面再添加一个末页页码
|
||
for(var i=1;i<displayCount;i++){
|
||
disp[j] = i;
|
||
j++;
|
||
}
|
||
disp[j] = moreText;
|
||
j++;
|
||
if(isDisplayLast){
|
||
disp[j] = count;
|
||
j++;
|
||
}
|
||
}else if(count - current <= (displayCount-1)/2){
|
||
// (当前页在后端)如果总页数 - 当前页 小于等于(displayCount-1)/2，则先添加一个首页页码，再添加一个moreText，再添加页码——count-(displayCount-2)至count
|
||
if(isDisplayFirst){
|
||
disp[j] = 1;
|
||
j++;
|
||
}
|
||
disp[j] = moreText;
|
||
j++;
|
||
for(var i=1;i<displayCount;i++){
|
||
disp[j] = count - (displayCount -i-1);
|
||
j++;
|
||
}
|
||
}else{
|
||
// (当前页在中间)其他的情况，则先添加一个首页页码，再添加一个moreText，再添加当前页左边(displayCount-1)/2-1个页码，再添加当前页码，再添加一个moreText，再添加末页页码
|
||
if(isDisplayFirst){
|
||
disp[j] = 1;
|
||
j++;
|
||
}
|
||
disp[j] = moreText;
|
||
j++;
|
||
var alignLeftCount = (displayCount-1)/2-1;
|
||
for(var i=0;i<alignLeftCount;i++){
|
||
disp[j] = current-alignLeftCount+i;
|
||
j++;
|
||
}
|
||
disp[j] = current;
|
||
j++;
|
||
var alignRightCount = alignLeftCount;
|
||
for(var i=0;i<alignRightCount;i++){
|
||
disp[j] = current+i+1;
|
||
j++;
|
||
}
|
||
disp[j] = moreText;
|
||
j++;
|
||
if(isDisplayLast){
|
||
disp[j] = count;
|
||
j++;
|
||
}
|
||
}
|
||
// 如果当前页不是最后一页，则添加 nextText
|
||
if(current != count){
|
||
disp[j] = nextText;
|
||
j++;
|
||
}
|
||
return disp;
|
||
};
|
||
|
||
me.initPagination();
|
||
};
|
||
})(jQuery);
|