Javascript实现的分页函数_JavaScript

2020-11-27 来源：星星旅游

From: IECN.Net ; Author: 钟钟

/**
* 分页类构造
* 参数 nTotalList: 总条数
* 参数 nPageSize: 每页显示条数
* 参数 nPageNum: 当前页码
* 参数 sPageUrl: 分页链接的URL，页码以[pn]代替，输出时将被替换为实际页码
* 参数 nPageListSize: 页码列表（下拉框）中显示的最多页码条数。该参数可省略，默认100
*/
function Pagination(nTotalList, nPageSize, nPageNum, sPageUrl, nPageListSize) {
this.totalList = nTotalList;
this.pageSize = nPageSize;
this.pageNum = nPageNum;
if (nTotalList == 0)
this.totalPages = 1;
else
this.totalPages = Math.floor((this.totalList-1)/this.pageSize + 1);
this.pageUrl = sPageUrl;
if (arguments[4])
this.pageListSize = nPageListSize;
else
this.pageListSize = 100;
}

/**
* 生成分页，将HTML直接输出
* 无参数
* 无返回值
*/
Pagination.prototype.generate = function() {
var output = "";
output += "

";
output += "共 " + this.totalList + " 条每页 " + this.pageSize + " 条当前第 ";
output += "";
output += "/" + this.totalPages + " 页 ";
if (this.pageNum == 1) {
output += "[首页] ";
output += "[上页] ";
}
else {
output += "[首页] ";
output += "[上页] ";
}
if (this.pageNum == this.totalPages) {
output += "[下页] ";
output += "[尾页]";
}
else {
output += "[下页] ";
output += "[尾页] ";
}
output += "

";
document.writeln(output);
}

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Javascript实现的分页函数_JavaScript