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https://gitee.com/coder-xiaomo/flashsale
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88 lines
2.6 KiB
JavaScript
88 lines
2.6 KiB
JavaScript
//container 容器，count 总页数 pageindex 当前页数
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var paging_url;
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function setUrl (urlstring) {
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paging_url = urlstring;
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}
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function setPage(container, count, pageindex) {
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var container = container;
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var count = count;
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var pageindex = pageindex;
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var a = [];
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//总页数少于10 全部显示,大于10 显示前3 后3 中间3 其余....
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if (pageindex == 1) {
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a[a.length] = "<li class=\"disabled\"><a href=\"#\">上一页</a></li>";
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} else {
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a[a.length] = "<li><a href=\"#\">上一页</a></li>";
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}
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function setPageList() {
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if (pageindex == i) {
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a[a.length] = "<li class=\"disabled\"><a href=\"#\">" + i + "</a></li>";
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} else {
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a[a.length] = "<li><a href=\"#\">" + i + "</a></li>";
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}
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}
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//总页数小于10
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if (count <= 10) {
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for (var i = 1; i <= count; i++) {
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setPageList();
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}
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}
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//总页数大于10页
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else {
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if (pageindex <= 4) {
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for (var i = 1; i <= 5; i++) {
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setPageList();
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}
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a[a.length] = "<li><span>...</span></li><li><a href=\"#\">" + count + "</a></li>";
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} else if (pageindex >= count - 3) {
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a[a.length] = "<li><a href=\"#\"> 1 </a></li><li><span>...</span></li>";
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for (var i = count - 4; i <= count; i++) {
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setPageList();
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}
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}
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else { //当前页在中间部分
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a[a.length] = "<li><a href=\"#\"> 1 </a></li><li><span>...</span></li>";
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for (var i = pageindex - 2; i <= pageindex + 2; i++) {
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setPageList();
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}
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a[a.length] = "<li><span>...</span></li><li><a href=\"#\">" + count + " </a></li>";
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}
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}
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if (pageindex == count) {
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a[a.length] = "<li class=\"disabled\"><a href=\"#\">下一页</a></li>";
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} else {
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a[a.length] = "<li><a href=\"#\">下一页</a></li>";
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}
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container.innerHTML = a.join("");
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//事件点击
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var pageClick = function() {
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var oAlink = container.getElementsByTagName("a");
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var inx = pageindex; //初始的页码
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oAlink[0].onclick = function() { //点击上一页
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if (inx == 1) {
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return false;
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}
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inx--;
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//setPage(container, count, inx);
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window.location.href=paging_url+inx;
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return false;
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}
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for (var i = 1; i < oAlink.length - 1; i++) { //点击页码
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oAlink[i].onclick = function() {
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inx = parseInt(this.innerHTML);
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//setPage(container, count, inx);
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window.location.href=paging_url+inx;
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return false;
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}
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}
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oAlink[oAlink.length - 1].onclick = function() { //点击下一页
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if (inx == count) {
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return false;
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}
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inx++;
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//setPage(container, count, inx);
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window.location.href=paging_url+inx;
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return false;
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}
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} ()
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} |