mybatis接收以逗号分隔的字符串批量查询方式

<IF test = " supplierIds !=null and supplierIds.indexOf(',') != -1  "> 
    AND msd.supplier_id NOT IN 
    <foreach collection = "supplierIds.split(',')" item = "item" 
        OPEN = "(" SEPARATOR = "," CLOSE = ")">  
            #{item}
    </foreach>
</IF>
<IF test = "supplierIds !=null and supplierIds.indexOf(',') == -1"> 
    AND msd.supplier_id != #{supplierIds}
</IF>

String str = "a,b,c";
List<String> result = Arrays.asList(str.split(","));

    String str = "a, b, c";
    List<String> result = Splitter.on(",").trimResults().splitToList(str);

  String str = "a,b,c";
    List<String> result = Arrays.asList(StringUtils.split(str,","));

    String str = "a,b,c";
    List<String> str = Arrays.asList(StringUtils.commaDelimitedListToStringArray(str));

    List<String> list = new ArrayList<String>();
    list.add("a");
    list.add("b");
    list.add("c");
    String str = Joiner.on(",").join(list);

    List<String> list = new ArrayList<String>();
    list.add("a");
    list.add("b");
    list.add("c");
    String str = StringUtils.join(list.toArray(), ",");

List<String> list = new ArrayList<String>();
list.add("a");
list.add("b");
list.add("c");
String str = StringUtils.collectionToDelimitedString(list, ",");

  //拼接所有字符串
    public String getAllIdByUserMobile( List<String> userMobile) throws Exception {
           StringBuilder userMobileIdString = new StringBuilder();
           //拼接字符串 userMobile productId
            if( userMobile.size() <= 0){
                return "";
            }else{
                for(String item:userMobile){
                    userMobileIdString.append(item + ",");
                }
                return org.apache.commons.lang.StringUtils.removeEnd(userMobileIdString.toString(), ",");
            }
    }