直接上代码
param=""
String roleIds = param.replace("\"", ""); //分割权限id String[] splitroleIds = roleIds.split(","); //如果splitroleIds等于"" 表示没有需要给用户设置权限 List<String> tmp = new ArrayList<String>(); for (String str : splitroleIds) { if (str != null && str.length() != 0) { tmp.add(str); } } splitroleIds = tmp.toArray(new String[0]);