js表格分页实现代码_javascript技巧

来源：桦砣汽车网

代码如下:

原料库管理

function Page(iAbsolute,sTableId,sTBodyId,page)
{
this.absolute = iAbsolute; //每页最大记录数
this.tableId = sTableId;
this.tBodyId = sTBodyId;
this.rowCount = 0;//记录数
this.pageCount = 0;//页数
this.pageIndex = 0;//页索引
this.__oTable__ = null;//表格引用
this.__oTBody__ = null;//要分页内容
this.__dataRows__ = 0;//记录行引用
this.__oldTBody__ = null;
this.__init__(); //初始化;
};
/**//*
初始化
*/
Page.prototype.__init__ = function(){
this.__oTable__ = document.getElementById(this.tableId);//获取table引用
this.__oTBody__ = this.__oTable__.tBodies[this.tBodyId];//获取tBody引用
this.__dataRows__ = this.__oTBody__.rows;
this.rowCount = this.__dataRows__.length;
try{
this.absolute = (this.absolute <= 0) || (this.absolute>this.rowCount) ? this.rowCount : this.absolute;
this.pageCount = parseInt(this.rowCount%this.absolute == 0
? this.rowCount/this.absolute : this.rowCount/this.absolute+1);
}catch(exception){}
this.__updateTableRows__();
};
Page.prototype.GetBar=function(obj)
{
var bar= document.getElementById(obj.id);
bar.innerHTML= "每页"+this.absolute+"条/共"+this.rowCount+"条";// 第2页/共6页首页上一页 1 2 3 4 5 6 下一页末页
}
/**//*
下一页
*/
Page.prototype.nextPage = function(){
if(this.pageIndex + 1 < this.pageCount){
this.pageIndex += 1;
this.__updateTableRows__();
}
};
/**//*
上一页
*/
Page.prototype.prePage = function(){
if(this.pageIndex >= 1){
this.pageIndex -= 1;
this.__updateTableRows__();
}
};
/**//*
首页
*/
Page.prototype.firstPage = function(){
if(this.pageIndex != 0){
this.pageIndex = 0;
this.__updateTableRows__();
}
};
/**//*
尾页
*/
Page.prototype.lastPage = function(){
if(this.pageIndex+1 != this.pageCount){
this.pageIndex = this.pageCount - 1;
this.__updateTableRows__();
}
};
/**//*
页定位方法
*/
Page.prototype.aimPage = function(){
var abc = document.getElementById("pageno");
var iPageIndex = abc.value;
var iPageIndex = iPageIndex*1;
if(iPageIndex > this.pageCount-1){
this.pageIndex = this.pageCount -1;
}else if(iPageIndex < 0){
this.pageIndex = 0;
}else{
this.pageIndex = iPageIndex-1;
}
this.__updateTableRows__();
};
/**//*
执行分页时，更新显示表格内容
*/
Page.prototype.__updateTableRows__ = function(){
var iCurrentRowCount = this.absolute * this.pageIndex;
var iMoreRow = this.absolute+iCurrentRowCount > this.rowCount ? this.absolute+iCurrentRowCount - this.rowCount : 0;
var tempRows = this.__cloneRows__();
var removedTBody = this.__oTable__.removeChild(this.__oTBody__);
var newTBody = document.createElement("TBODY");
newTBody.setAttribute("id", this.tBodyId);
for(var i=iCurrentRowCount; i < this.absolute+iCurrentRowCount-iMoreRow; i++){
newTBody.appendChild(tempRows[i]);
}
this.__oTable__.appendChild(newTBody);
this.__dataRows__ = tempRows;
this.__oTBody__ = newTBody;
//页脚显示分
var divFood = document.getElementById("divFood");//分页工具栏
divFood.innerHTML="";
var rightBar = document.createElement("divFood");
rightBar.setAttribute("display","");
rightBar.setAttribute("float","left");
rightBar.innerHTML="第"+(this.pageIndex+1)+"页/共"+this.pageCount+"页";
var isOK="Y";
var cssColor="";
divFood.appendChild(rightBar);
////页脚显示分页结
};
/**//*
克隆原始操作行集合
*/
Page.prototype.__cloneRows__ = function(){
var tempRows = [];
for(var i=0; itempRows[i] = this.__dataRows__[i].cloneNode(1);
}
return tempRows;
};

window.onload = function(){
page = new Page(3,'senfe','group_one'); };

function senfe(o,a,b,c,d){
var t=document.getElementById(o).getElementsByTagName("tr");
for(var i=0;it[i].style.backgroundColor=(t[i].sectionRowIndex%2==0)?a:b;
}
}
-->

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//senfe("表格名称","奇数行背景","偶数行背景","鼠标经过背景","点击后背景");
senfe("senfe","#fff","#ccc","#cfc","#f00");
-->

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