[英]How to check is an user has a role on discord
I am struggling to find a way to check if an user has a role.我正在努力寻找一种方法来检查用户是否具有角色。 I know how to find a certain role:
我知道如何找到某个角色:
public Role findRole(Guild guild, String name) {
List<Role> roles = guild.getRolesByName(name, true);
if (roles.size() <= 0) {
throw new RuntimeException("Role with name " + name + " on Guild " + guild.getName() + " not found!");
} else {
return roles.get(0);
}
}
and i have a role: Role neededEole=findRole(event.getGuild(),"Admin");
我有一个角色:
Role neededEole=findRole(event.getGuild(),"Admin");
I know how to search an user: String user=event.getAuthor().getId();
我知道如何搜索用户:
String user=event.getAuthor().getId();
or: User user=event.getAuthor();
或:
User user=event.getAuthor();
But i don't know how to get those two work together in JDA to check if that user has that role.但我不知道如何让这两个在 JDA 中一起工作以检查该用户是否具有该角色。
Can please someone help me?可以请人帮助我吗?
The Member
object puts a user in the guild context. Member
object 将用户置于公会上下文中。 You can get the member with Guild#getMember(user)
.您可以使用
Guild#getMember(user)
获取成员。 This gives you the option to retrieve guild information of this user:这使您可以选择检索此用户的公会信息:
Member member = guild.getMember(user);
Member member = guild.getMemberById(userId);
List<Member> member = guild.getMembersByName(name, true);
List<Member> member = guild.getMembersByRoles(role);
public Role findRole(Member member, String name) {
List<Role> roles = member.getRoles();
return roles.stream()
.filter(role -> role.getName().equals(name)) // filter by role name
.findFirst() // take first result
.orElse(null); // else return null
}
Other ways to access a member instance are outlined in the See Also
section of the member documentation: Member .访问成员实例的其他方法在成员文档的
See Also
部分中概述: 成员。 Some events also offer a getMember()
alternative if the event could happen in a guild context.如果事件可能发生在公会上下文中,某些事件还提供
getMember()
替代方案。
I know this post is 1+ year old but for the people coming here to check this you can just do this (I did static in this code because I was putting it in another class):我知道这篇文章已有 1 年以上的历史,但对于来这里检查的人来说,你可以这样做(我在这段代码中做了 static,因为我把它放在另一个类中):
public static boolean hasRole(Member member, Role role) {
List<Role> memberRoles = member.getRoles();
return memberRoles.contains(role);
}
Since there's no such feature in the doc yet, you can do this:由于文档中还没有这样的功能,您可以这样做:
boolean hasRole;
for(int i=0; i<builder.getGuildById(guild).getMemberById(userId).getRoles().size(); i++){
if("RoleName".equals(builder.getGuildById(guild).getMemberById(userId).getRoles().get(i).getName())){
hasRole = true;
}
}
Then, for true if (hasRole)
or false if (!hasRole)
然后,对于 true
if (hasRole)
或 false if (!hasRole)
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