* list中有150條數據,每次只拿20條數據,直到拿完所有數據
*/
List<String> urlList = new ArrayList<String>();
for (int i = 0; i < 150; i++) {
urlList.add(i+"");
}
for(int i = 0;i < urlList.size();i+=20){
List<String> param = new ArrayList<String>();//用戶存放每次獲取到的二十條數據
if( i + 20 < urlList.size()){
for (int j = i; j < i + 20; j++) {
param.add(urlList.get(j));
}
}else {
for (int j = i; j < urlList.size() ; j++) {
param.add(urlList.get(j));
}
}
System.out.println("每次獲取到的20條數據:" + param);
}