记录：tp5 fastadmin对列表页选中数据的多张图片进行压缩并下载。

html代码

<a href="javascript:;" class="btn btn-info btn-apple btn-disabled disabled {:$auth->check('zhuanli/zhuanli/xiazai')?'':'hide'}" title="批量下载专利证书"><i class="fa fa-check"></i> 批量下载专利证书</a>

js代码

define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefined, Backend, Table, Form) {var Controller = {index: function () {// 初始化表格参数配置Table.api.init({extend: {index_url: 'zhuanli/zhuanli/index' + location.search,add_url: 'zhuanli/zhuanli/add',edit_url: 'zhuanli/zhuanli/edit',del_url: 'zhuanli/zhuanli/del',multi_url: 'zhuanli/zhuanli/multi',import_url: 'zhuanli/zhuanli/import',table: 'zhuanli',}});var table = $("#table");// 初始化表格table.bootstrapTable({url: $.fn.bootstrapTable.defaults.extend.index_url,pk: 'id',sortName: 'id',fixedColumns: true,fixedRightNumber: 1,search:false,columns: [[{checkbox: true, rowspan: 2},// {field: 'id', title: __('Id'), rowspan: 2},{field: 'xuhao', title: __('Xuhao'), rowspan: 2},{field: 'zhuanlicategory.name', title: __('Zhuanlicategory.name'), operate: 'LIKE', rowspan: 2},{field: 'title', title: __('Title'), operate: 'LIKE', rowspan: 2},{field: 'shenqinghao', title: __('Shenqinghao'), operate: 'LIKE', rowspan: 2},{field: 'shenqingdate', title: __('Shenqingdate'), operate:'RANGE', addclass:'datetimerange', autocomplete:false, rowspan: 2},{field: 'gongkaidate', title: __('Gongkaidate'), operate:'RANGE', addclass:'datetimerange', autocomplete:false, rowspan: 2},{field: 'shouquandate', title: __('Shouquandate'), operate:'RANGE', addclass:'datetimerange', autocomplete:false, rowspan: 2},{field: 'zhuanliquanren', title: __('Zhuanliquanren'), operate: 'LIKE', rowspan: 2},{field: 'famingren', title: __('Famingren'), operate: 'LIKE', rowspan: 2},{field: 'zhuanlizhengshu', title: __('Zhuanlizhengshu'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images, rowspan: 2},{field: 'shoulitongzhishu', title: __('Shoulitongzhishu'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images, rowspan: 2},{field: 'bandengtongzhishu', title: __('Bandengtongzhishu'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images, rowspan: 2},{field: 'images', title: __('Images'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images, rowspan: 2},{field: 'qita', title: __('Qita'), operate: 'LIKE', rowspan: 2},{field: 'status', title: __('Status'), searchList: {"normal":__('Normal'),"hidden":__('Hidden')}, formatter: Table.api.formatter.status, rowspan: 2},                        {field: 'nianfei', title: __('年费收据'), operate: false, colspan:20},// {field: 'createtime', title: __('Createtime')},// {field: 'updatetime', title: __('Updatetime')},{field: 'operate', title: __('Operate'), table: table, events: Table.api.events.operate, formatter: Table.api.formatter.operate, rowspan: 2}],[{field: 'images1', title: __('Images1'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images2', title: __('Images2'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images3', title: __('Images3'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images4', title: __('Images4'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images5', title: __('Images5'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images6', title: __('Images6'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images7', title: __('Images7'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images8', title: __('Images8'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images9', title: __('Images9'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images10', title: __('Images10'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images11', title: __('Images11'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images12', title: __('Images12'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images13', title: __('Images13'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images14', title: __('Images14'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images15', title: __('Images15'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images16', title: __('Images16'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images17', title: __('Images17'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images18', title: __('Images18'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images19', title: __('Images19'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},{field: 'images20', title: __('Images20'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.images},]]});// 为表格绑定事件Table.api.bindevent(table);table.on('load-success.bs.table', function (data) {$(".btn-editone").data("area", ["100%", "100%"]);$(".btn-add").data("area", ["100%", "100%"]);});// 批量下载专利证书$(document).on("click", ".btn-apple", function () {var ids = Table.api.selectedids(table);//获取选中列的idif(ids.length==0){layer.alert("请选择要操作的数据");return false;}window.open("zhuanli/xiazai?ids="+ids.join(','));})},add: function () {Controller.api.bindevent();},edit: function () {Controller.api.bindevent();},api: {bindevent: function () {Form.api.bindevent($("form[role=form]"));}}};return Controller;
});

后端代码

/*** 批量下载专利证书*/public function xiazai() {$ids = $this->request->get("ids");if (!$ids) {$this->error('请选择需要下载专利证书的数据');}//要打包的文件$files = [];foreach (explode(',', $ids) as $k => $v){$zhuanlizhengshu = explode(',', $this->model->where('id',$v)->value('zhuanlizhengshu'));$files = array_merge($files, $zhuanlizhengshu);}$zip = new \ZipArchive;//压缩文件名$filename = 'uploads/zhuanlizhengshu/'.date('YmdHis').'.zip';// 使用本类，linux需开启zlib，windows需取消php_zip.dll前的注释if ($zip->open ($filename ,\ZipArchive::OVERWRITE) !== true) {//OVERWRITE 参数会覆写压缩包的文件 文件必须已经存在if($zip->open ($filename ,\ZipArchive::CREATE) !== true){// 文件不存在则生成一个新的文件 用CREATE打开文件会追加内容至zipecho '无法打开文件，或者文件创建失败';exit;}}//循环压缩文件foreach($files as $key => $value){// $zip->addEmptyDir("attach");$file = ROOT_PATH.'public'.$value;if(file_exists($file)){$zip->addFile($file, basename($file));} else {echo '检测到有文件不存在';exit;}}// 关闭$zip->close();//打包下载zipheader("Cache-Control:max-age=0");header("Content-Description: File Transfer");header("Content-disposition: attachment; filename=".basename($filename));//文件名header("Content-Type:application/zip"); //格式为zipheader("Content-Transfer-Encoding:binary"); //这是二进制文件header("Content-Length:".filesize($filename)); //文件大小@readfile($filename);exit;}