2014-5-12 总结

本文详细介绍了如何使用PHP进行文件上传的全过程,包括设置表单属性、接收上传文件、验证及移动文件到指定目录,最后展示了如何在网页上显示已上传的图片。

文件上传

1、enctype="multipart/form-data" :上传文件的属性,放在<form>中

       <form action="../homework/home_two.php" method="post" enctype="multipart/form-data">

2、 $file=$_FILES['  ']:判断是否有文件上传

        $file=$_FILES['photos'];

3、$file:是数组类型

        $file['name'];
        $file['type'];
        $file['tmp_name'];

4、 move_uploaded_file( );移动文件到哪里

        move_uploaded_file($tmp_name,"img/".$name);

5、输出图片时,要加上<img  src="">标签

       <img src="<?php echo $row[6] ?>" >

 

转载于:https://www.cnblogs.com/zouyajun/p/3724442.html

otal 0 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 a7s_boot_a -> /dev/block/mmcblk0p18 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 a7s_boot_b -> /dev/block/mmcblk0p19 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 a7s_dtb_a -> /dev/block/mmcblk0p20 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 a7s_dtb_b -> /dev/block/mmcblk0p21 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 a7s_root_a -> /dev/block/mmcblk0p22 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 a7s_root_b -> /dev/block/mmcblk0p23 lrwxrwxrwx 1 root root 20 2014-03-27 17:30 boot_a -> /dev/block/mmcblk0p2 lrwxrwxrwx 1 root root 20 2014-03-27 17:30 boot_b -> /dev/block/mmcblk0p3 lrwxrwxrwx 1 root root 20 2014-03-27 17:30 cache -> /dev/block/mmcblk0p7 lrwxrwxrwx 1 root root 20 2014-03-27 17:30 dtb_a -> /dev/block/mmcblk0p9 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 dtb_b -> /dev/block/mmcblk0p10 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 dtb_rec -> /dev/block/mmcblk0p17 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 dtbo_a -> /dev/block/mmcblk0p24 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 dtbo_b -> /dev/block/mmcblk0p25 lrwxrwxrwx 1 root root 20 2014-03-27 17:30 env -> /dev/block/mmcblk0p6 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 hazens -> /dev/block/mmcblk0p28 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 misc -> /dev/block/mmcblk0p12 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 ota -> /dev/block/mmcblk0p27 lrwxrwxrwx 1 root root 20 2014-03-27 17:30 recovery -> /dev/block/mmcblk0p8 lrwxrwxrwx 1 root root 20 2014-03-27 17:30 secure -> /dev/block/mmcblk0p1 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 sest -> /dev/block/mmcblk0p16 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 splash -> /dev/block/mmcblk0p11 lrwxrwxrwx 1 root root 20 2014-03-27 17:30 system_a -> /dev/block/mmcblk0p4 lrwxrwxrwx 1 root root 20 2014-03-27 17:30 system_b -> /dev/block/mmcblk0p5 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 tcc -> /dev/block/mmcblk0p13 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 userdata -> /dev/block/mmcblk0p29 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 vendor_a -> /dev/block/mmcblk0p14 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 vendor_b -> /dev/block/mmcblk0p15 lrwxrwxrwx 1 root root 21 2014-03-27 17:30 voice -> /dev/block/mmcblk0p26
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