package com.xzx.gc.util;
|
|
import java.util.ArrayList;
|
import java.util.Collections;
|
import java.util.List;
|
|
/**
|
* 数据格式转化类
|
* @author xiandafu
|
*
|
*/
|
public class ConvertUtil {
|
/**
|
* 转化逗号分隔的id到long数组，通常用于批量操作
|
* @param str
|
* @return
|
*/
|
public static List<Long> str2longs(String str){
|
if(str.length()==0){
|
return Collections.EMPTY_LIST;
|
}
|
String[] array = str.split(",");
|
List<Long> rets = new ArrayList(array.length);
|
int i = 0;
|
for(String id:array){
|
try{
|
rets.add(Long.parseLong(id));
|
}catch(Exception ex){
|
throw new RuntimeException("转化 "+str+ " 到Long数组出错");
|
}
|
|
}
|
return rets;
|
}
|
}
|
