因为需要保护用户隐私，所以除非用户自己设置加好友免验证功能，否则其他人不能直接添加其为好友。
qq添加好友方法：
1.在QQ首页点击右上角的“添加”。
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https://iknow-pic.cdn.bcebos.com/738b4710b912c8fc8396be39f0039245d78821d8"/>
2.输入好友的QQ号码，点击查找。
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https://iknow-pic.cdn.bcebos.com/8601a18b87d6277f135e7acc24381f30e824fcf2"/>
3.点击好友的头像打开好友页面。
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https://iknow-pic.cdn.bcebos.com/0d338744ebf81a4c927ba43ddb2a6059242da6fd"/>
4.找到好友后点击下方的“加好友”。
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https://iknow-pic.cdn.bcebos.com/f11f3a292df5e0fe96cac1f5506034a85fdf7277"/>
5.表明自己的身份后，点击右上角的“发送”。
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6.完成添加好友。