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85问答库 > JAVA连接LDAP(Windows AD)验证时，密码为空验证通过的问题?

JAVA连接LDAP(Windows AD)验证时，密码为空验证通过的问题?

2025-04-07 15:00:17

推荐回答（4个）

回答1：

密码为空，实际值是null

任何值与null比较时，记得返回值都是true，

故在程序里需要预先把空值过滤掉

if(pwd==null)
System.out.println("输入密码为空，验证不通过！");

回答2：

String passwd;
if("".equals(password.trim())){
passwd = null;
}

回答3：

匹配问题可以针对空字符串的情况特殊处理。

回答4：

在String passwd=password;加入判断
if(passwd.trim().equals("")){
System.out.println("验证失败");
return false;
}

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