springBoot 去除最后一个逗号，java中以逗号分隔

ゞ浴缸里的玫瑰 2022-06-02 08:18 261阅读 0赞

@RequestMapping(value="/upKeywords", method = \{ RequestMethod.GET,RequestMethod.POST \}, produces = "application/json; charset=utf-8")  
public String updateDate(String cdid)  
\{  
  
if(StringUtils.isNullorEmpty(cdid))  
\{  
return MessageUtils.errorMessages(1);  
\}else  
\{  
  
int size = 0;  
Map<String,Object> mapsussuccess=new HashMap<String,Object>();  
List listnum=new ArrayList();  
//String cdids="16384,16385,16386,16387,16388,16392,16393,16394,";  
//String substring = cdid.substring(0, cdid.length()-1);  
String\[\] split = cdid.split(",");  
  
int length = split.length;  
//Map map=new HashMap();  
//map.put("cdid", cdid);  
try \{  
int count=0;  
for(int i=0;i<length;i++)  
\{  
String string = split\[i\];  
//System.out.println(string);  
for(int j=0;j<string.length();j++)  
\{//List<CategoryLeafKeywords> findBykeywordId(String ckid);  
//List<ComtyinfoDistinct> findByComtyinfoid(String cdid);  
List<CategoryLeafKeywords> findByGoodsinfoselectID = clkdao.findBykeywordId(string);  
Integer status = findByGoodsinfoselectID.get(j).getSpdier\_status();  
Integer id = findByGoodsinfoselectID.get(j).getId();  
//System.out.println("status--->"+status);  
  
if(status.equals(1)||status==1)  
\{  
listnum.add(id);  
size = listnum.size();  
//System.out.println("listnum==>"+listnum);  
//System.out.println("listnum==>"+size);  
for(int z=0;z<size;z++)  
\{  
Object object = listnum.get(z);  
//lcygdao.update(object);  
//cdao.updateDate(object);  
clkdao.updateKeywords(object);  
\}  
  
\}  
\}  
  
//Integer status = findByGoodsinfoselectID.get(i).getStatus();  
//System.out.println("status==>"+status);  
//  
\}  
\} catch (Exception e) \{  
// TODO Auto-generated catch block  
return MessageUtils.errorMessages(1);  
\}  
//cdao.updateDate(map);  
mapsussuccess.put("linage", size);  
mapsussuccess.put("code", 200);  
mapsussuccess.put("message", "Congratulations, you made it!!!");  
return JSON.toJSONString(mapsussuccess);  
  
  
  
\}  
  
  
\}