//去除List中重复数据
for(int i=0;i<xxlist_print.size()-1;i++){
Xxk xxk_i=(Xxk) xxlist_print.get(i);
long xxk_i_xxkid=xxk_i.getXxid();
for(int j=xxlist_print.size()-1 ;j>i;j--){
Xxk xxk_jj=(Xxk) xxlist_print.get(j);
long xxk_jj_xxkid=xxk_jj.getXxid();
if(xxk_i_xxkid == xxk_jj_xxkid){
xxlist_print.remove(xxk_jj);
}
}
}