40 lines
780 B
Plaintext
40 lines
780 B
Plaintext
package com.securityControl.common.core.utils.aes;
|
|
|
|
|
|
import org.apache.poi.ss.formula.functions.T;
|
|
|
|
import java.util.List;
|
|
|
|
public class ListHelper {
|
|
|
|
public static <T> boolean isNotEmpty(List<T> list){
|
|
if(list!=null &&list.size()>0){
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
public static <T> boolean isEmpty(List<T> list){
|
|
|
|
return !isNotEmpty(list);
|
|
}
|
|
|
|
/**
|
|
* 集合转字符串
|
|
* @param list
|
|
* @param join
|
|
* @return
|
|
*/
|
|
public static String joinList(List<String> list,String join){
|
|
String strs=null;
|
|
for (String st:list) {
|
|
if(strs==null){
|
|
strs=st;
|
|
}else{
|
|
strs=strs+join+st;
|
|
}
|
|
}
|
|
return strs;
|
|
}
|
|
|
|
}
|