/**
*参数说明：
*currentPage:当前页数
*countPage：总页数
*changeMethod：执行java后台代码的js函数，即是改变分页数据的js函数
*/
function pagination(currentPage,countPage,changeMethod){
var str = "";
var countNum;
//head
if (currentPage == 1) {
str += "<a class=\"pagePre\">首页</a>";
str += "<a ><</a>";
}
else {
str += "<a href=\"javascript:void(0)\" onclick=\""+changeMethod+"(1)\" class=\"pagePre\">首页</a>";
str += "<a href=\"javascript:void(0)\" onclick=\""+changeMethod+"("+(currentPage-1)+")\"><</a>";
}
//pageNum
if(currentPage < 4||countPage < 6){
countNum = 1;
}else if(currentPage + 2 > countPage){
countNum = countPage - 4;
}else{
countNum = currentPage - 2;
}
var countPage1 = parseInt(countPage)+1;
var countNum1 = parseInt(countNum);
//body
for(var i = countNum1; i < countPage1; i++){
if(i==currentPage){
str += "<span class=\"cur\">"+i+"</span>";
}else{
str += "<a href=\"javascript:void(0)\" onclick=\""+changeMethod+"("+i+")\">"+i+"</a>";
}
if(i == countNum + 4){
break;
}
}
//end
if (currentPage == countPage) {
str += "<a>></a>";
str += "<a class=\"pagePre\">尾页</a>";
}
else {
str += "<a href=\"javascript:void(0)\" onclick=\""+changeMethod+"("+(currentPage+1)+")\">></a>";
str += "<a href=\"javascript:void(0)\" onclick=\""+changeMethod+"("+(countPage1-1)+")\" class=\"pagePre\">尾页</a>";
}
if(countPage1>2){
$(".page").empty().append(str);
}
}