/*** 分页页码

*@paramtotalcount 记录总数

*@paramnum 每页记录数

*@paramindex 当前页码

*@paramparamstr 参数串&隔开，如：a=1&b=2

*@paraminstate 当第二页码与第一页不连续时，中间的替换字符串，空为不需要

*@return

*/

public static Map pages(int totalcount,int num,intindex,String paramstr,String instate){int half=3;

Map result=new HashMap();

result.put("page", "");if(totalcount<1){

result.put("code", "1");

result.put("msg", "totalcount错误");returnresult;

}if(num<1){

result.put("code", "2");

result.put("msg", "num错误");returnresult;

}if(index<1)

index=1;int total=totalcount/num;if(totalcount%num!=0)

total+=1;if(index>total)

index=total;int leftm=((index-half)-1)*-1;if(leftm<0)

leftm=0;int rightm=(index+half)-total;if(rightm<0)

rightm=0;int left=index-half;if(left<1)

left=1;int right=index+half;if(right>total)

right=total;

List plist=new ArrayList();for(int i=left;i<=right;i++){

plist.add(i);

}int f=plist.get(0);int l=plist.get(plist.size()-1);int lend=f-rightm;if(lend<1)

lend=1;for(int i=f-1;i>=lend;i--){

plist.add(0, i);

}int rend=l+leftm;if(rend>total)

rend=total;for(int i=l+1;i<=rend;i++){

plist.add(i);

}if(instate.length()>0){

f=plist.get(0);

l=plist.get(plist.size()-1);if(f>1)

plist.add(0,1);if(l

plist.add(total);

}

List> pagelist=new ArrayList>();

Map pg=null;for(int i=0;i0 && i==1){if(plist.get(i)>2){

pg=new HashMap();

pg.put("value", "");//参数传递

pg.put("page", instate);//页码显示内容

pg.put("btn", "0");//是否是页码按钮

pg.put("idx", "0");//是否当前页码

pagelist.add(pg);

}

}

pg=new HashMap();

String vl=paramstr;if(vl.length()>0)

vl+="&";

vl+="page="+plist.get(i);

pg.put("value", vl);

pg.put("page", plist.get(i)+"");

pg.put("btn", "1");

pg.put("idx", "0");if(plist.get(i)==index)

pg.put("idx", "1");

pagelist.add(pg);if(instate.length()>0 && i==plist.size()-2){if(plist.get(i)

pg=new HashMap();

pg.put("value", "");

pg.put("page", instate);

pg.put("btn", "0");

pg.put("idx", "0");

pagelist.add(pg);

}

}

}int pre=index-1;if(pre<1)

pre=1;int next=index+1;if(next>total)

next=total;

Map map=new HashMap();

map.put("pagelist", pagelist);//页码集合

map.put("pagenum", num+"");//每页记录数

map.put("index", index+"");//当前页码

map.put("pre", pre+"");//当前页码上一页

map.put("next", next+"");//当前页码下一页

map.put("first", "1");//第一页

map.put("last", total+"");//最后一页

result.put("code", "0");

result.put("msg", "");

result.put("page", map);returnresult;

}