How to add hidden ID correctly? The following is all the code I added, but it still fails.

Question

Backend management

Duke · Answer

namespace Admin\Controller;

use Think\Controller;

class ArticleController extends Controller {

public function lst( ){

//Instantiation

$article=D('ArticleView');

$count= $article->count();// The query satisfies The total number of records required

$Page= new \Think\Page($count,5);// Instantiate the paging class and pass in the total number of records and the number of records displayed on each page (25)

$show= $Page->show();// Display output in paging

$list = $article->order('id desc')->limit($Page-> ;firstRow.','.$Page->listRows)->select();

$this->assign('list',$list);// Assignment data set

$this->assign('page',$show);// Assign paging output

$this->display();

}

Public function add(){

//Instantiation

$article=D('article');

if(IS_POST){

$date['title']=I('title');

$date['content']=I('content');

$date['desc']= I('desc');

$date['cateid']=I('cateid'); ''){

use using to use using ‐ ‐ ‐ .

# ’ ./'; // Set the root directory for uploading attachments

$upload->savePath ='/Public/Uploads/'; // Set the (sub) directory for uploading attachments

Single file

$ info = $ upload-& gt; uploadone ($ _ files ['pic']);

=$info['savepath'].$info['savename'];

##

if($article->create($date)){

if($article->add()){

$this->success('添加文章成功',U('lst'));

}else{

$this->error('添加文章失败!');

}

}else{

$this->error($article->getError());

}

return;

}

$cateres=D('cate')->select();

$this->assign('cateres',$cateres);

$this->display();

}

public function edit(){

//实例化

$article=D('article');

if(IS_POST){

$date['title']=I('title');

$date['content']=I('content');

$date['desc']=I('desc');

$date['cateid']=I('cateid');

if($_FILES['pic']['tmp_name']!=''){

$upload = new \Think\Upload();// 实例化上传类

$upload->maxSize=3145728 ;// 设置附件上传大小

$upload->exts =array('jpg', 'gif', 'png', 'jpeg');// 设置附件上传类型

$upload->rootPath= './'; // 设置附件上传根目录

$upload->savePath ='/Public/Uploads/'; // 设置附件上传（子）目录

// 上传单个文件

$info = $upload->uploadOne($_FILES['pic']);

if(!$info) {// 上传错误提示错误信息

$this->error($upload->getError());

}else{// 上传成功获取上传文件信息

$date['pic']=$info['savepath'].$info['savename'];

}

}else{

}

if($article->create($date)){

if($article->save()){

$this->success('Modify Article successful',U('lst'));

##} else {

$ this-& gt; error ($ Article-& GT; Geterror ());

##}

## Return;

}

$articler=$article->find(I('id'));

$this->assign('articler',$articler);

$cateres=D('cate')->select();

$this->assign('cateres',$cateres);

$this- >display();

}

## public function del(){

//Instantiation

$article=D('article');

if($article->delete(I('id'))){

$this->success('Delete article Success! ',U('lst'));

}else{

$this->error('Failed to delete article!');

}

public function sort(){

//var_dump($_POST); //In a row

//dump($_POST ); //Cash from the branch

$article=D('article');

foreach ($_POST as $id => $sort) {

// code...

$article->where(array('id'=>$id))->setField('sort',$sort);

}

$this->success('Sorting update successful! ',U('lst'));

}

How to add hidden ID correctly? The following is all the code I added, but it still fails.

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