IcePHP框架中的快速后台中的通用CRUD功能框架(九) SCrudOperationIndex 及 SCrudOperationSearch 类

<?php

/**

* 首页操作类

*

* @author bluehire

*

*/

class SCrudOperationIndex extends SCrudOperation {

public function __construct($father){

parent::__construct($father, SCrudOperation::METHOD_INDEX);

}

/**

* 首页处理

*

* @see SCrudOperationTable::process()

*/

public function process(SRequest $req) {

// @todo:细节检查权限

$this->output ();

}

/**

* 显示首页

*/

private function output() {

//输出首页头

$this->crud->display('index_header',array('title'=>$this->crud->title));

//输出用户信息,退出登录等

$this->crud->display('index_userinfo');

//输出操作菜单

$this->crud->display('index_menu');

//输出脚本

$this->crud->display('javascript');

//输出功能区头

$this->crud->display('work_header');

//输出搜索区

$this->crud->display('search_header');

foreach ( $this->crud->fields as $field ) {

$field->showSearch();

}

$this->crud->display('search_footer');

//输出表级操作

$this->crud->operation->outputTable();

// 输出分页及排序

$this->crud->display ( 'page_sort', array (

'pagesize' => $this->crud->pageSize, //默认每页行数

'all' => $this->crud->listSortable(), //全部字段配置信息

'curField' => $this->crud->pageSort, //默认字段

'dir' => strtolower ( $this->crud->pageDir ) //排序方向

) );

//输出空白表格容器

$this->crud->display ( 'grid_container');

//输出多选操作

$this->crud->operation->outputMulti();

//输出分页

$this->crud->display('page_page');

//输出功能区尾

$this->crud->display('work_footer');

//输出首页尾

$this->crud->display('index_footer');

}

public function show($row=null){

//@todo:显示操作

echo $this->title;

}

}

<?php

/**

* 默认搜索操作

* @author bluehire

*

*/

class SCrudOperationSearch extends SCrudOperation{

public function __construct(SCrud $father) {

parent::__construct($father, self::METHOD_SEARCH);

}

/**

* 点击查询按钮后的操作

* @see SCrudOperation::process()

*

*/

public function process(SRequest $req){

//如果请求中指定了页面尺寸,设置页面尺寸

if ($req->exist ( '_pagesize' )) {

$size = intval ( $req->_pagesize );

$size = max ( min ( $size, 1000 ), 1 );

$this->crud->pageSize = $size;

} else {

$size = $this->crud->pageSize;

}

//如果请求中指定了排序依据

if ($req->exist ( '_orderby' )) {

$orderby = trim ( $req->_orderby );

$orderField = $this->crud->field ( $orderby );

if ($orderField and $orderField->isSortable ()) {

if (! $req->exist ( '_dir' )) {

$dir = 'desc';

} else {

$dir = trim ( $req->_dir );

if ($dir !== 'asc' and $dir !== 'desc') {

$dir = 'desc';

}

}

$this->crud->pageSort = $orderby;

$this->crud->pageDir = $dir;

}

}

$orderby = $this->crud->pageSort;

$dir = $this->crud->pageDir;

//查看所有搜索条件

$filter = $this->crud->gridFilter;

if (! $filter) {

$where = array ();

} elseif (is_array ( $filter )) {

$where = $filter;

} else {

$where = array (

$filter

);

}

//处理所有 可搜索字段,构造查询条件

foreach ( $this->crud->listSearchable () as $field ) {

$w = $field->where ( $req );

if (! $w) {

continue;

}

if (is_array ( $w )) {

$where = array_merge ( $where, $w );

} else {

$where [] = $w;

}

}

if (! $req->exist ( '_page' )) {

$page = 1;

} else {

$page = max(1,intval ( $req->_page ));

}

$this->output ( $where, $page, $size, $orderby, $dir );

}

//查询数据并输出

private function output($where,$page,$size,$orderby,$dir){

//所有满足条件的数据数量

$count=$this->crud->model->count($where);

//页数

$pageAll=ceil($count/$size);

//当前页

$page=max(min($page,$pageAll),1);

//主键字段必须查询

$fields=array_keys($this->crud->listGridable());

//查询数据

$data=$this->crud->model->fields($fields)->where($where)->orderby(array($orderby,$dir))->limit(array(($page-1)*$size,$size))->select();

//生成表格内容的显示

$grid=$this->outputGrid($data);

//Ajax形式返回前端

echo json_encode(array(

'count'=>$count,

'pageAll'=>$pageAll,

'page'=>$page,

'size'=>$size,

'grid'=>$grid

));

}

/**

* 根据数据输出表格内容

* @param SResult $data

* @return string

*/

private function outputGrid(SResult $data) {

$rowNo = $this->crud->rowNo;

$multi = $this->crud->operation->hasMulti ();

$operations = $this->crud->operation->rowOperations;

$fields = $this->crud->fields;

// 显示表头

$this->crud->display ( 'grid_header', array (

'rowNo' => $rowNo,

'multi' => $multi,

'operations' => $operations,

'fields' => $fields

) );

// 显示表格数据行

$this->crud->display ( 'grid_body', array (

'rowNo' => $rowNo,

'multi' => $multi,

'operations' => $operations,

'fields' => $fields,

'data' => $data

) );

// 显示表格尾

$this->crud->display('grid_footer');

return ob_get_clean ();

}

public function show($row=null){

//此处不被调用

}

}