php篇一 之上傳文件
阿新 • • 發佈：2018-04-28
width ID 商品列表 proc div lin 錯誤 input 分類
其實上傳文件明白了道理也就很簡單啦，小編當時學的時候也是一頭霧水，搞了好多天才弄懂一點，好了廢話少說吧，嘿嘿。首先運用的是tp3.2的框架，我這裏前端名字是img.html
所以後臺首先運用的是public function img()，然後選擇上傳的商品種類，再根據種類來選擇固定的函數，而upload也就是確定所上傳文件的格式還有保存路徑等。最後再根據db_img上傳到數據庫。
首先是前端代碼
<!DOCTYPE html>
<html>
<head>
<title>後臺管理</title>
<link rel="stylesheet" type="text/css" href="__PUBLIC__/css/img.css"/>
</head>
<body>
<header>
<h1><img src="__PUBLIC__/image/admin_logo.png"/></h1>
<ul class="rt_nav">
<li><a href="{:U(‘Login/img‘)}" target="_blank" class="website_icon">站點首頁</a></li>
<li><a href="{:U(‘Login/order2‘)}" class="admin_icon">查看交易</a></li>
<li><a href="{:U(‘Login/loginprocess‘)}" class="quit_icon">安全退出</a></li>
</ul>
</header>
<aside class="lt_aside_nav content mCustomScrollbar">
<h2><a href="index.php">起始頁</a></h2>
<ul>
<li>
<dl>
<dt>商品信息</dt>
<!--當前鏈接則添加class:active-->
<dd><a href="{:U(‘Login/img‘)}" >商品列表</a></dd>
<dd><a href="{:U(‘Login/img‘)}" >商品分類</a></dd>
<dd><a href="{:U(‘Login/img‘)}" >商品列表</a></dd>
<dd><a href="{:U(‘Login/img‘)}" >商品信息</a></dd>
</dl>
</li>
<li>
<dl>
<dt>訂單信息</dt>
<dd><a href="{:U(‘Login/order2‘)}">訂單列表</a></dd>
<dd><a href="{:U(‘Login/order3‘)}">用戶購物車列表</a></dd>
</dl>
</li>
<li>
<p class="btm_infor">? 八號當鋪 版權所有</p>
</li>
</ul>
</aside>
<h2><strong style="color:grey;text-align: center;" >歡迎<span style="color:red">{$_SESSION[‘username‘]}</span>成為賣家</strong></h2>
<section>
<h2><strong style="color:grey;">賣家上傳</strong></h2>
<form method="POST" enctype="multipart/form-data">
<ul class="ulColumn2">
<li>
<span class="item_name" style="width:120px;">商品名稱：</span>
<input type="text" class="textbox textbox_295" placeholder="文本信息提示..." name="f_name"/>
<!-- <span class="errorTips">錯誤提示信息...</span> -->
</li>
<li>
<span class="item_name" style="width:120px;">商品價格：</span>
<input type="text" class="textbox textbox_295" placeholder="文本信息提示..." name="money" />
<!-- <span class="errorTips">錯誤提示信息...</span> -->
</li>
<li>
<span class="item_name" style="width:120px;">種類：</span>
<select class="select" name="sel">
<option value="close">服裝</option>
<option value="book">書刊</option>
<option value="dian">電子</option>
</select>
<!-- <span class="errorTips">錯誤提示信息...</span> -->
</li>
<!-- <li>
<span class="item_name" style="width:120px;">是否熱銷：</span>
<label class="single_selection" ><input type="radio" value="y" />推薦</label>
<label class="single_selection"><input type="radio" value="n" />不推薦</label>
</li> -->
<li>
<span class="item_name" style="width:120px;">摘要：</span>
<textarea placeholder="摘要信息" class="textarea" style="width:500px;height:100px;" name="message"></textarea>
</li>
<li>
<span class="item_name" style="width:120px;">上傳圖片：</span>
<label class="uploadImg">
<input type="file" name="file[]" />
<span>上傳圖片</span>
</label>
</li>
<li>
<span class="item_name" style="width:120px;"></span>
<input type="submit" value="提交" class="link_btn"/>
</li>
</ul>
</form>
</section>
</body>
</html>
其次是後臺（運用的是tp3.2框架）
// //後臺添加圖片
public function upload()
{
// //實例化上傳類
$upload = new \Think\Upload();
$upload->maxSize = 3145728;
$upload->exts = [‘jpg‘, ‘jpeg‘, ‘gif‘, ‘png‘];
$upload->savePath = ‘./Public/Uploads/‘;
$upload->rootPath = ‘./‘;
$info = $upload->upload();
$upload = new Upload();
if (!$info) {
$this->error($upload->getError());
// $this->error(‘shuangchuanshibai ‘,U(‘Login/loginss‘),2);
} else {
//$this->success(‘上傳成功‘);
return $info;
}
}
public function insert()
{
$login = D(‘logins‘);
$result = $login->where([‘username‘ => $_SESSIN[‘username‘]])->field()->find();
// if(empty($_FILES)){
if (empty($_FILES)) {
$this->error(‘請選擇需要上傳的文件‘);
}
if (!empty($_FILES)) {
$arr = $this->upload();
foreach ($arr as $key => $value) {
$path[][‘savepath‘] = $value[‘savepath‘] . $value[‘savename‘];
}
// $data[‘single‘]=‘推薦‘;
$data[‘f_name‘] = $_POST[‘f_name‘];
// $data[‘create_time‘]=time();
$data[‘money‘] = $_POST[‘money‘];
$data[‘message‘] = $_POST[‘message‘];
$data[‘username‘] = $_SESSION[‘username‘];
// $data[‘create_time‘] = time
// $data[‘login_id‘] = $result[‘id‘];();
if (isset($data)) {
//如果上傳文件的信息不為空，我們就將這些信息保存到數據庫中
$this->db_img($data, $path);
} else {
$this->error(‘數據為空‘);
}
}
}
public function db_img($data, $path)
{
// if($_POST[‘sel‘]==‘close‘){
// if($_POST[‘single‘]==‘y‘){
$file = D(‘file‘);
$img = D(‘file_c‘);
foreach ($path as $vo) {
$data[‘savepath‘] = $vo[‘savepath‘];
}
// $data[‘single‘] ="推薦";
$data[‘f_name‘] = $_POST[‘f_name‘];
$data[‘username‘] = $_SESSION[‘username‘];
$t = time();
$data[‘create_time‘] = date("Y-m-d H:i:s", $t);
$data[‘money‘] = $_POST[‘money‘];
$data[‘message‘] = $_POST[‘message‘];
// $img->add();
if (!$img->create($data) || !$file->create($data)) {
$this->error(‘上傳失敗‘);
} else {
if (!$img->add($data) || !$file->add($data)) {
$this->error(‘上傳失敗‘);
}
}
$this->success(‘上傳成功....‘, U(‘Login/img‘));
}
//insert1
public function insert1()
{
$login = D(‘logins‘);
$result = $login->where([‘username‘ => $_SESSIN[‘username‘]])->field()->find();
// if(empty($_FILES)){
if (empty($_FILES)) {
$this->error(‘請選擇需要上傳的文件‘);
}
if (!empty($_FILES)) {
$arr = $this->upload();
foreach ($arr as $key => $value) {
$path[][‘savepath‘] = $value[‘savepath‘] . $value[‘savename‘];
}
$data[‘f_name‘] = $_POST[‘f_name‘];
$data[‘money‘] = $_POST[‘money‘];
$data[‘message‘] = $_POST[‘message‘];
$data[‘username‘] = $_SESSION[‘username‘];
if (isset($data)) {
//如果上傳文件的信息不為空，我們就將這些信息保存到數據庫中
$this->db_img1($data, $path);
} else {
$this->error(‘數據為空‘);
}
}
}
public function db_img1($data, $path)
{
// if($_POST[‘sel‘]==‘close‘){
// if($_POST[‘single‘]==‘y‘){
$img = D(‘file_b‘);
$file = D(‘file‘);
foreach ($path as $vo) {
$data[‘savepath‘] = $vo[‘savepath‘];
}
$data[‘f_name‘] = $_POST[‘f_name‘];
$data[‘username‘] = $_SESSION[‘username‘];
$t = time();
$data[‘create_time‘] = date("Y-m-d H:i:s", $t);
$data[‘money‘] = $_POST[‘money‘];
$data[‘message‘] = $_POST[‘message‘];
// $img->add($data);
if (!$img->create($data) || !$file->create($data)) {
$this->error(‘上傳失敗‘);
} else {
if (!$img->add($data) || !$file->add($data)) {
$this->error(‘上傳失敗‘);
}
}
$this->success(‘上傳成功....‘, U(‘Login/img‘));
}
//insert2
public function insert2()
{
$login = D(‘logins‘);
$result = $login->where([‘username‘ => $_SESSIN[‘username‘]])->field()->find();
// if(empty($_FILES)){
if (empty($_FILES)) {
$this->error(‘請選擇需要上傳的文件‘);
}
if (!empty($_FILES)) {
$arr = $this->upload();
foreach ($arr as $key => $value) {
$path[][‘savepath‘] = $value[‘savepath‘] . $value[‘savename‘];
}
$data[‘f_name‘] = $_POST[‘f_name‘];
$data[‘money‘] = $_POST[‘money‘];
$data[‘message‘] = $_POST[‘message‘];
$data[‘username‘] = $_SESSION[‘username‘];
if (isset($data)) {
//如果上傳文件的信息不為空，我們就將這些信息保存到數據庫中
$this->db_img2($data, $path);
} else {
$this->error(‘數據為空‘);
}
}
}
public function db_img2($data, $path)
{
// if($_POST[‘sel‘]==‘close‘){
// if($_POST[‘single‘]==‘y‘){
$img = D(‘file_d‘);
$file = D(‘file‘);
foreach ($path as $vo) {
$data[‘savepath‘] = $vo[‘savepath‘];
}
$data[‘f_name‘] = $_POST[‘f_name‘];
$data[‘username‘] = $_SESSION[‘username‘];
$t = time();
$data[‘create_time‘] = date("Y-m-d H:i:s", $t);
$data[‘money‘] = $_POST[‘money‘];
$data[‘message‘] = $_POST[‘message‘];
// $img->add($data);
if (!$img->create($data) || !$file->create($data)) {
$this->error(‘上傳失敗‘);
} else {
if (!$img->add($data) || !$file->add($data)) {
$this->error(‘上傳失敗‘);
}
}
$this->success(‘上傳成功....‘, U(‘Login/img‘));
}
public function img()
{
if (IS_POST) {
if ($_POST[‘sel‘] == ‘close‘) {
$this->insert();
}
if ($_POST[‘sel‘] == ‘book‘) {
$this->insert1();
}
if ($_POST[‘sel‘] == ‘dian‘) {
$this->insert2();
}
}
$this->display();
}
php篇一 之上傳文件