She says she doesn't 'see me that way' but her actions portrays the opposite? What would you do?

Okay, so I was getting to know her for a couple months and she certainly had an interest in me because my friends caught her on many occasions checking me out and then blushing and she'd be extremely nervous around me and walk off flustered. A month ago she was acting really hot and cold she would be there one moment then disappear. Ok I thought better ask her out. I asked her out via text because she didn't want to seem to talk to me in real life. She told me these specific things, "Sorry I was just being friendly and don't view you that way. I have someone else. I'm so sorry ;(" A little butt hurt I said, "Okay, I probably misunderstood then good luck with your career and boy you like :)." I was a little butt hurt but brushed it off and never contacted her again. After a couple weeks, coming back from summer break, she'd act really really weird. When she saw me it was as if she panicked and she started playing with her clothes and hair. She also sat on my table opposite me. When we stood up she'd adjust her clothes in emphasised manor it looked really funny. Then she'd move close to me (move her body close to me) and invaded my personal space. I completely ignored her because I'm over with her. Why is she getting close and acting all nervous? Surely if you don't view someone that way you'd ignore them and not lead them on.

She says she doesn't 'see me that way' but her actions portrays the opposite? What would you do?
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