自定义表单优化

application/admin/controller/Form.php

@@ -72,7 +72,7 @@ class Form extends Admin {
 	 */
 	public function edit(\think\Request $request) {
 		if ($this->request->isPost()) {
-			$result = $this->model->validate('Form')->save($request->post(), array('id' => $request->post('id')));
+			$result = $this->model->validate('Form.edit')->save($request->post(), array('id' => $request->post('id')));
 			if (false !== $result) {
 				return $this->success('修改成功！', url('admin/form/index'));
 			} else {
@@ -116,13 +116,14 @@ class Form extends Admin {
 		$list = M($form['name'], 'form')->order('id desc')->paginate(25);
 
 		$data = array(
+			'grid_list'  => $form['grid_list'],
 			'form_id'  => $form_id,
 			'list'   => $list,
 			'page'   => $list->render()
 		);
 		$this->assign($data);
 		$this->setMeta('数据列表');
-		return $this->fetch('list_'.$form['name']);
+		return $this->fetch('list');
 	}
 
 	/**
@@ -147,20 +148,28 @@ class Form extends Admin {
 	public function outxls($form_id = '') {
 		$form = $this->model->where('id', $form_id)->find();
 
-		$attr = $this->Fattr->where('form_id', $form_id)->where('is_show', 1)->select();
-		foreach ($attr as $key => $value) {
-			$title[$value['name']] = $value['title'];
-		}
+		$attr = $this->Fattr->where('form_id', $form_id)->column('*', 'name');
 
-		$data[] = $title;
+		// $data[] = $title;
+		$list = [];
 		$res = M($form['name'], 'form')->order('id desc')->select();
 
-		foreach ($res as $key => $value) {
-			$data[] = $value;
+		foreach ($res as $value) {
+			$item = [];
+			foreach ($value as $key => $value) {
+				if (isset($attr[$key])) {
+					$item[$attr[$key]['title']] = $value;
+				}else{
+					$item[$key] = $value;
+				}
+			}
+			$list[] = $item;
 		}
-
-		$out = new \com\Outxls($data, date('Y-m-d'));
-		$out->out();
+		$data = [
+			'data' => $list,
+			'file_name' => $form['title'] . time(),
+		];
+		return $data;
 	}
 
 	/**
@@ -268,6 +277,7 @@ class Form extends Admin {
 			array('name' => 'length', 'title' => '字段长度', 'help' => '字段的长度值', 'type' => 'text'),
 			array('name' => 'extra', 'title' => '参数', 'help' => '布尔、枚举、多选字段类型的定义数据', 'type' => 'textarea'),
 			array('name' => 'value', 'title' => '默认值', 'help' => '字段的默认值', 'type' => 'text'),
+			array('name' => 'sort', 'title' => '排序', 'help' => '排序，数字越大越靠后', 'type' => 'text'),
 			array('name' => 'remark', 'title' => '字段备注', 'help' => '用于表单中的提示', 'type' => 'text'),
 			array('name' => 'is_show', 'title' => '是否显示', 'help' => '是否显示在表单中', 'type' => 'select', 'option' => array('1' => '始终显示', '2' => '新增显示', '3' => '编辑显示', '0' => '不显示'), 'value' => 1),
 			array('name' => 'is_must', 'title' => '是否必填', 'help' => '用于自动验证', 'type' => 'select', 'option' => array('0' => '否', '1' => '是')),

application/admin/view/form/index.html

@@ -54,6 +54,7 @@
 							<a href="{:url('admin/form/edit?id='.$item['id'])}">编辑</a>
 							<a href="{:url('admin/form/del?id='.$item['id'])}" class="confirm ajax-get">删除</a>
 							<a href="{:url('admin/form/lists?form_id='.$item['id'])}">数据</a>
+							<a href="{:url('index/form/index', ['id'=>$item['id'], 'name'=>$item['show_title']])}" target="_blank">浏览</a>
 						</td>
 					</tr>
 					{/volist}

application/admin/view/form/list.html

@@ -0,0 +1,85 @@
+{extend name="public/base"/}
+{block name="body"}
+<div class="main-box clearfix">
+	<header class="main-box-header clearfix">
+		<div class="pull-left">
+			<h2>{$meta_title}</h2>
+		</div>
+		<div class="pull-right">
+			<a class="btn btn-primary" data-action="out" data-href="{:url('admin/form/outxls?form_id='.$form_id)}" target="_blank">导出</a>
+		</div>
+	</header>
+	<div class="main-box-body clearfix">
+		<div class="table-responsive clearfix">
+			<table class="table table-hover">
+				<thead>
+					<tr>
+						<th><input class="checkbox check-all" type="checkbox"></th>
+						{volist name="grid_list" id="item"}
+						<th>{$item['title']}</th>
+						{/volist}
+						<th>操作</th>
+					</tr>
+				</thead>
+				<tbody>
+					{volist name="list" id="item"}
+					<tr>
+						<td><input class="ids row-selected" type="checkbox" name="id[]" value="{$item['id']}"></td>
+						{volist name="grid_list" id="grid"}
+						<td>{$item[$grid['field']]|default=''}</td>
+						{/volist}
+						<td>
+							<a href="{:url('deldata',array('id'=>$item['id'], 'form_id'=>$form_id))}" class="confirm ajax-get">删除</a>
+						</td>
+					</tr>
+					{/volist}
+				</tbody>
+			</table>
+			{$page}
+		</div>
+	</div>
+</div>
+{/block}
+{block name="script"}
+<script type="text/javascript" src="/static/js/xlsx.js"></script>
+<script type="text/javascript">
+$(function(){
+	$('a[data-action=out]').click(function(e){
+		e.preventDefault();
+		outXlsx($(this).data('href'), 1)
+	});
+})
+
+var outList = [];
+function outXlsx(url, page = 1){
+	var data = $('form').serialize();
+	var pagesize = $('select.pagesize').val() || 30;
+	data = data + '&out=1&pagesize='+pagesize+'&page='+page
+	$.ajax({
+		url: url,
+		data: data,
+		type: 'get',
+		beforeSend: function(){
+			layer.load();
+			layer.msg('正在导出第'+page+'页，请耐心等待，不要关闭浏览器');
+		},
+		error: function(){
+			layer.msg('导出失败！');
+		},
+		success:function(res){
+			outList = outList.concat(res.data);
+			if (res.last_page > page) {
+				outXlsx(url, page+1)
+			}else{
+				xls.downloadExl(outList,res.file_name);
+				layer.msg('导出完成！');
+				setTimeout(function(){
+					layer.closeAll('loading');
+				}, 3000);
+			}
+		},
+		dataType: 'json'
+	})
+}
+</script>
+{/block}

application/common/model/DiyForm.php

@@ -15,4 +15,9 @@ namespace app\common\model;
 class DiyForm extends BaseModel{
 
 	protected $attrDb = 'FormAttr';
+	
+	protected $type = array(
+		'create_time'   => 'integer',
+		'update_time'   => 'integer',
+	);
 }

application/common/model/Form.php

@@ -22,17 +22,40 @@ class Form extends Base{
 		'update_time'    => 'integer',
 	);
 
-	public $addField = array(
-		array('name'=>'name','title'=>'标识','type'=>'text','help'=>''),
-		array('name'=>'title','title'=>'标题','type'=>'text','help'=>'')
-	);
+	public $addField = [
+		['name' => 'name', 'title' => '标识', 'type' => 'text', 'help' => ''],
+		['name' => 'title', 'title' => '标题', 'type' => 'text', 'help' => ''],
+		['name' => 'show_title', 'title' => '显示标题', 'type' => 'readonly', 'help' => ''],
+		['name' => 'logo', 'title' => '显示Logo', 'type' => 'images', 'help' => ''],
+		['name' => 'cover', 'title' => 'banner图片', 'type' => 'images', 'help' => ''],
+		['name' => 'content', 'title' => '内容', 'type' => 'editor', 'help' => ''],
+		['name' => 'sub_action', 'title' => '提交后操作', 'type' => 'select', 'option' => ['0' => '提示信息', '1' => '跳转连接'], 'help' => ''],
+		['name' => 'sub_content', 'title' => '提交后内容', 'type' => 'textarea', 'help' => ''],
+		['name' => 'sub_tips', 'title' => '提交后提示', 'type' => 'images', 'help' => ''],
+		['name' => 'relation', 'title' => '相关内容', 'type' => 'text', 'help' => '请用英文“,”隔开，如1,2,3'],
+		['name' => 'relation_title', 'title' => '关联标题', 'type' => 'text', 'help' => ''],
+		['name' => 'form_title', 'title' => '表单标题', 'type' => 'text', 'help' => ''],
+		['name' => 'header_info', 'title' => '头部信息', 'type' => 'editor', 'help' => ''],
+		['name' => 'copyright', 'title' => '版权信息', 'type' => 'editor', 'help' => ''],
+	];
 
-	public $editField = array(
-		array('name'=>'id','title'=>'ID','type'=>'hidden','help'=>''),
-		array('name'=>'name','title'=>'标识','type'=>'text','help'=>''),
-		array('name'=>'title','title'=>'标题','type'=>'text','help'=>''),
-		array('name' => 'list_grid', 'title'=>'列表定义', 'type' => 'textarea', 'help'=>'')
-	);
+	public $editField = [
+		['name' => 'id', 'title' => 'ID', 'type' => 'hidden', 'help' => ''],
+		['name' => 'title', 'title' => '标题', 'type' => 'text', 'help' => ''],
+		['name' => 'show_title', 'title' => '显示标题', 'type' => 'text', 'help' => ''],
+		['name' => 'logo', 'title' => '显示Logo', 'type' => 'images', 'help' => ''],
+		['name' => 'cover', 'title' => 'banner图片', 'type' => 'images', 'help' => ''],
+		['name' => 'content', 'title' => '内容', 'type' => 'editor', 'help' => ''],
+		['name' => 'sub_action', 'title' => '提交后操作', 'type' => 'select', 'option' => ['0' => '提示信息', '1' => '跳转连接'], 'help' => ''],
+		['name' => 'sub_content', 'title' => '提交后内容', 'type' => 'textarea', 'help' => ''],
+		['name' => 'sub_tips', 'title' => '提交后提示', 'type' => 'images', 'help' => ''],
+		['name' => 'relation', 'title' => '相关内容', 'type' => 'text', 'help' => '请用英文“,”隔开，如1,2,3'],
+		['name' => 'relation_title', 'title' => '关联标题', 'type' => 'text', 'help' => ''],
+		['name' => 'list_grid', 'title' => '列表定义', 'type' => 'textarea', 'help' => ''],
+		['name' => 'form_title', 'title' => '表单标题', 'type' => 'text', 'help' => ''],
+		['name' => 'header_info', 'title' => '头部信息', 'type' => 'editor', 'help' => ''],
+		['name' => 'copyright', 'title' => '版权信息', 'type' => 'editor', 'help' => ''],
+	];
 
 	protected static function init(){
 		self::beforeInsert(function($event){
@@ -82,6 +105,18 @@ class Form extends Base{
 		// });
 	}
 
+	public function getGridListAttr($value, $data){
+		$grid = [];
+		if ($data['list_grid']) {
+			$row = explode("\r\n", $data['list_grid']);
+			foreach ($row as $key => $value) {
+				$item = explode(":", $value);
+				$grid[] = ['field' => $item[0], 'title' => $item[1]];
+			}
+		}
+		return $grid;
+	}
+
 	public function getStatusTextAttr($value, $data) {
 		$status = array(
 			0 => '禁用',
@@ -90,4 +125,7 @@ class Form extends Base{
 		return $status[$data['status']];
 	}
 
+	public function attr(){
+		return $this->hasMany('FormAttr');
+	}
 }

application/common/model/FormAttr.php

@@ -57,6 +57,22 @@ class FormAttr extends Base{
         return $type_text[0];
 	}
 
+	protected function getExtraListAttr($value, $data){
+		$extra = [];
+		if ($data['extra']) {
+			$e = explode("\r\n", $data['extra']);
+			foreach ($e as $key => $value) {
+				if (strrpos($value, ":")) {
+					list($k, $v) = explode(":", $value);
+					$extra[] = ['key'=> $k, 'label' =>$v];
+				}else{
+					$extra[] = ['key'=> $key, 'label' =>$value];
+				}
+			}
+		}
+		return $extra;
+	}
+
 	public function getFieldlist($map,$index='id'){
 		$list = array();
 		$row = $this->field('*,remark as help,type,extra as "option"')->where($map)->order('group_id asc, sort asc')->select();

application/index/controller/Form.php

@@ -8,7 +8,9 @@
 // +----------------------------------------------------------------------
 
 namespace app\index\controller;
+
 use app\common\controller\Front;
+use app\common\model\Form as FormM;
 
 class Form extends Front {
 
@@ -23,6 +25,33 @@ class Form extends Front {
 	 * 表单首页
 	 */
 	public function index(){
+		$id = $this->request->param('id');
+		$map = [];
+
+		$map['id']  = $id;
+
+		$info = FormM::where($map)->find();
+
+		$info['logo_url'] = get_cover($info['logo'], 'path');
+		$info['cover_url'] = get_cover($info['cover'], 'path');
+
+		$info['attr'] = $info->attr()->where('is_show', 1)->order('sort asc, id asc')->select();
+
+		if ($info['relation']) {
+			$relation = explode(",", $info['relation']);
+			if (is_array($relation)) {
+				$rmap['id'] = ['IN', $relation];
+			}elseif (is_string($relation)) {
+				$rmap['id'] = $relation;
+			}
+			$info['relation_list'] = M('Article')->where($rmap)->order('sort desc, id asc')->select();
+		}
+
+		$data = [
+			'info' => $info
+		];
+
+		$this->assign($data);
 		return $this->fetch();
 	}
 
@@ -47,9 +76,23 @@ class Form extends Front {
 	public function add(\think\Request $request){
 		if ($request->isPost()) {
 			$data = $request->param();
+
+			$form = FormM::where('id', $data['form_id'])->find();
+
+			$data['is_mobile'] = $this->isMobile();
 			$result = $this->model->save($data);
 			if (false !== $result) {
-				return $this->success('提交成功！');
+				$data = ['code' => 0, 'data' => '', 'msg' => '', 'url' => ''];
+				if ($form['sub_action'] == 0) {
+					$data['code'] = 1;
+				}elseif ($form['sub_action'] == 1) {
+					$data['code'] = 2;
+				}elseif ($form['sub_action'] == 2) {
+					$data['code'] = 3;
+				}
+				$data['msg'] = $form['sub_content'];
+				// $data['data'] = $form['sub_tips'] ? get_cover($form['sub_tips'], 'path') : '';
+				return $data;
 			}else{
 				return $this->error('提交失败！');
 			}
@@ -64,4 +107,13 @@ class Form extends Front {
 			return $this->fetch();
 		}
 	}
+
+	public function msg(){
+		$param = $this->request->param();
+
+		$form = FormM::where('id', $param['id'])->find();
+		$form['sub_tips_url'] = $form['sub_tips'] ? get_cover($form['sub_tips'], 'path') : '';
+		$this->assign(['form' => $form]);
+		return $this->fetch();
+	}
 }

application/route.php

@@ -15,6 +15,8 @@ return array(
 	'/home'              => 'index/index/index', // 首页访问路由
 	'search'         => 'index/search/index', // 首页访问路由
 
+	'form/:id/:show_time' => 'index/form/index',
+
 	'cart/index'     => 'index/cart/index',
 	'cart/add'       => 'index/cart/add',
 	'cart/count'     => 'index/cart/count',

web/static/js/xlsx.js

@@ -0,0 +1,58 @@
+;(function(document, $){
+	// var wopts = { bookType: 'csv', bookSST: false, type: 'binary' };//ods格式
+	var wopts = { bookType: 'xlsx', bookSST: false, type: 'binary' };//这里的数据是用来定义导出的格式类型
+	// var wopts = { bookType: 'ods', bookSST: false, type: 'binary' };//ods格式
+	// var wopts = { bookType: 'xlsb', bookSST: false, type: 'binary' };//xlsb格式
+	// var wopts = { bookType: 'fods', bookSST: false, type: 'binary' };//fods格式
+	// var wopts = { bookType: 'biff2', bookSST: false, type: 'binary' };//xls格式
+
+	var xls = {
+
+		downloadExl: function (data, fileName) {
+			checkFileIn();
+			var wb = { SheetNames: ['Sheet1'], Sheets: {}, Props: {} };
+			wb.Sheets['Sheet1'] = XLSX.utils.json_to_sheet(data);//通过json_to_sheet转成单页(Sheet)数据
+			this.saveAs(new Blob([this.s2ab(XLSX.write(wb, wopts))], { type: "application/octet-stream" }), fileName + '.' + (wopts.bookType=="biff2"?"xls":wopts.bookType));
+		},
+
+		//如果使用 FileSaver.js 就不要同时使用以下函数
+		saveAs: function(obj, fileName) {
+			//当然可以自定义简单的下载文件实现方式 
+			var tmpa = document.createElement("a");
+			tmpa.download = fileName || "下载";
+			//绑定a标签
+			tmpa.href = URL.createObjectURL(obj);
+			tmpa.click(); //模拟点击实现下载
+			setTimeout(function () { //延时释放
+				URL.revokeObjectURL(obj); //用URL.revokeObjectURL()来释放这个object URL
+			}, 100);
+		},
+
+		s2ab: function(s) {
+			if (typeof ArrayBuffer !== 'undefined') {
+				var buf = new ArrayBuffer(s.length);
+				var view = new Uint8Array(buf);
+				for (var i = 0; i != s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF;
+				return buf;
+			} else {
+				var buf = new Array(s.length);
+				for (var i = 0; i != s.length; ++i) buf[i] = s.charCodeAt(i) & 0xFF;
+				return buf;
+			}
+		}
+	};
+
+	checkFileIn = function(){
+		if($("script[src='/static/plugs/js-xlsx/xlsx.full.min.js']").length > 0){
+			return;
+		}else{
+			var body = $("body");
+			var script = $("<script>");
+			$(script).attr('type','text/javascript');
+			$(script).attr('src','/static/plugs/js-xlsx/xlsx.full.min.js');
+			$(body).append(script);
+		}
+	}
+
+	window.xls = xls;
+})(document, jQuery)

web/static/plugs/js-xlsx/LICENSE

@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "{}"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright (C) 2012-present   SheetJS LLC 
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.