基本完成

.gitignore

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+/.idea
+/vendor
+composer.lock

composer.json

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+{
+    "name": "yzh/xlswrite",
+    "description": "xlswrite excle export and import ,WebSocket client and server",
+    "license": "NPN",
+    "type": "library",
+    "authors": [
+        {
+            "name": "zhihao Yan",
+            "email": "zhihaoyan@npn.sg"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Pxlswrite\\": "src"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+
+        }
+    },
+    "require": {
+        "php": "^7.2",
+        "textalk/websocket": "^1.3"
+    },
+    "require-dev": {
+
+    }
+}

examples/download.php

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+<?php
+require_once(__DIR__.'/../vendor/autoload.php');
+
+$dir = __DIR__.'/uploads';
+$filePath = $_GET['file'];
+//$fileName = end(explode('/',$filePath));
+$fileObj = new \Pxlswrite\Pxlswrite(['path'=>$dir]);
+$fileObj->download($filePath);

examples/export_demo.php

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+<?php
+require_once(__DIR__.'/../vendor/autoload.php');
+
+use Pxlswrite\DB\DB;
+use Pxlswrite\Pxlswrite;
+use Pxlswrite\WebSocket\WebSocketClient;
+
+$time = time();
+
+
+//实例化pxlswrite
+$fileObj = new Pxlswrite(['path' => __DIR__ . '/uploads']);
+//实例化WebSocketClient--需要推送进度才实例化
+$pushHandle = new WebSocketClient('ws://192.168.18.192:9502',$_GET['fd']);
+//创建excel文件
+$fileObj->fileName('123.xlsx');
+
+//定义样式
+$leftStyle = $fileObj->styleFormat()
+    ->bold()
+    ->align(Pxlswrite::FORMAT_ALIGN_LEFT, Pxlswrite::FORMAT_ALIGN_VERTICAL_CENTER)
+    ->toResource();
+$borderStyle = $fileObj->styleFormat()
+    ->align(Pxlswrite::FORMAT_ALIGN_RIGHT, Pxlswrite::FORMAT_ALIGN_VERTICAL_CENTER)
+    ->border(Pxlswrite::BORDER_SLANT_DASH_DOT)
+    ->toResource();
+$colorStyle = $fileObj->styleFormat()
+    ->fontColor(Pxlswrite::COLOR_BLUE)
+    ->toResource();
+$backgroundStyle  = $fileObj->styleFormat()
+    ->background(Pxlswrite::COLOR_RED)
+    ->toResource();
+$numberStyle = $fileObj->styleFormat()
+    ->number('#,##0')
+    ->toResource();
+$defaultStyle = $fileObj->styleFormat()
+    ->fontColor(Pxlswrite::COLOR_ORANGE)
+    ->border(Pxlswrite::BORDER_DASH_DOT)
+    ->align(Pxlswrite::FORMAT_ALIGN_CENTER,Pxlswrite::FORMAT_ALIGN_VERTICAL_CENTER)
+    ->toResource();
+
+$filePath = $fileObj->header(array('id', 'c1', 'c2', 'c3', 'c4','c5'))//设置表格头
+    ->defaultFormat($defaultStyle)//全局默认样式
+    ->setDataByGenerator('generateData',$pushHandle)//设置数据，$pushHandle 用于推送，可不传
+    ->setRow('A1:A3', 80, $leftStyle)//设置范围行样式
+    ->setRow('A2',50,$borderStyle)//设置指定某一行样式
+    ->setRow('A3',50,$colorStyle)//设置文字颜色
+    ->setRow('A4',40,$backgroundStyle)//设置背景色
+    ->setColumn('B:B',50,$numberStyle)//设置列样式
+    ->mergeCells('A1:C1', 'Merge cells',$fileObj->styleFormat()->align(Pxlswrite::FORMAT_ALIGN_CENTER,Pxlswrite::FORMAT_ALIGN_VERTICAL_CENTER)->toResource())//合并单元格
+    ->output();//输出excel文件到磁盘
+
+//单元格插入文本
+//for ($index = 0; $index < 10; $index++) {
+//    $fileObj->insertText($index, 0, 'viest');
+//    $fileObj->insertText($index, 1, 10000, '#,##0');
+//}
+//$filePath = $fileObj->output();
+
+$memory = floor((memory_get_peak_usage()) / 1024 / 1024) . "MB";#10M 22S
+$execute_time = time() - $time . 's';
+
+//同步下载
+//$fileObj->download($filePath);
+//ajax请求返回下载地址
+echo json_encode(['code' => 1, 'msg' => '导出完毕', 'url' => '/download.php?file=' . $filePath, 'data' => ['memory' => $memory, 'excute_time' => $execute_time]]);
+
+//数据生成器--封装数据获取的方法
+function generateData(){
+    $db = DB::getInstance();
+    $step = 10000;
+    for ($i = 0; $i < 100000; $i = $i + $step) {
+        yield $db->get_records_sql("select * from sheet1 limit {$i},{$step}", null, PDO::FETCH_ASSOC);
+    }
+}

examples/import_demo.php

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+<?php
+/**
+ * 游标读取Excel
+ * 分段插入数据库
+ */
+require_once(__DIR__.'/../vendor/autoload.php');
+
+use Pxlswrite\DB\DB;
+use Pxlswrite\Pxlswrite;
+use Pxlswrite\WebSocket\WebSocketClient;
+
+$time = time();
+
+$fileObj = new Pxlswrite(['path' => dirname($_GET['file'])]);
+$fileInfo = explode('/', $_GET['file']);
+$fileName = end($fileInfo);
+//实例化WebSocketClient
+$pushHandle = new WebSocketClient('ws://192.168.18.192:9502',$_GET['fd']);
+//打开excel文件  setSkipRows(1)跳过一行数据
+$fileObj->openFile($fileName)->openSheet()->setSkipRows(1)->importData('insert_data',$pushHandle);
+
+//数据插入逻辑
+function insert_data($data)
+{
+    $db = DB::getInstance();
+    $sql = '';
+    foreach ($data as $v) {
+        $sql .= "(" . implode(",", $v) . "),";
+    }
+    $sql = trim($sql, ',');
+    $db->execute("insert into sheet2 (id,c1,c2,c3,c4) values " . $sql);
+}
+
+
+$memory = floor((memory_get_peak_usage()) / 1024 / 1024) . "MB";#10M 12S
+$execute_time = time() - $time . 's';
+echo json_encode(['code' => 1, 'data' => ['memory' => $memory, 'execute_time' => $execute_time], 'msg' => '导入完毕']);
+#5MB 57s

examples/static/layui/css/modules/code.css

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+/** layui-v2.5.6 MIT License By https://www.layui.com */
+ html #layuicss-skincodecss{display:none;position:absolute;width:1989px}.layui-code-h3,.layui-code-view{position:relative;font-size:12px}.layui-code-view{display:block;margin:10px 0;padding:0;border:1px solid #e2e2e2;border-left-width:6px;background-color:#F2F2F2;color:#333;font-family:Courier New}.layui-code-h3{padding:0 10px;height:32px;line-height:32px;border-bottom:1px solid #e2e2e2}.layui-code-h3 a{position:absolute;right:10px;top:0;color:#999}.layui-code-view .layui-code-ol{position:relative;overflow:auto}.layui-code-view .layui-code-ol li{position:relative;margin-left:45px;line-height:20px;padding:0 5px;border-left:1px solid #e2e2e2;list-style-type:decimal-leading-zero;*list-style-type:decimal;background-color:#fff}.layui-code-view pre{margin:0}.layui-code-notepad{border:1px solid #0C0C0C;border-left-color:#3F3F3F;background-color:#0C0C0C;color:#C2BE9E}.layui-code-notepad .layui-code-h3{border-bottom:none}.layui-code-notepad .layui-code-ol li{background-color:#3F3F3F;border-left:none}

examples/static/layui/lay/modules/code.js

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+/** layui-v2.5.6 MIT License By https://www.layui.com */
+ ;layui.define("jquery",function(e){"use strict";var a=layui.$,l="http://www.layui.com/doc/modules/code.html";e("code",function(e){var t=[];e=e||{},e.elem=a(e.elem||".layui-code"),e.about=!("about"in e)||e.about,e.elem.each(function(){t.push(this)}),layui.each(t.reverse(),function(t,i){var c=a(i),o=c.html();(c.attr("lay-encode")||e.encode)&&(o=o.replace(/&(?!#?[a-zA-Z0-9]+;)/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/'/g,"&#39;").replace(/"/g,"&quot;")),c.html('<ol class="layui-code-ol"><li>'+o.replace(/[\r\t\n]+/g,"</li><li>")+"</li></ol>"),c.find(">.layui-code-h3")[0]||c.prepend('<h3 class="layui-code-h3">'+(c.attr("lay-title")||e.title||"code")+(e.about?'<a href="'+l+'" target="_blank">layui.code</a>':"")+"</h3>");var d=c.find(">.layui-code-ol");c.addClass("layui-box layui-code-view"),(c.attr("lay-skin")||e.skin)&&c.addClass("layui-code-"+(c.attr("lay-skin")||e.skin)),(d.find("li").length/100|0)>0&&d.css("margin-left",(d.find("li").length/100|0)+"px"),(c.attr("lay-height")||e.height)&&d.css("max-height",c.attr("lay-height")||e.height)})})}).addcss("modules/code.css","skincodecss");

examples/static/layui/lay/modules/flow.js

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+/** layui-v2.5.6 MIT License By https://www.layui.com */
+ ;layui.define("jquery",function(e){"use strict";var l=layui.$,o=function(e){},t='<i class="layui-anim layui-anim-rotate layui-anim-loop layui-icon ">&#xe63e;</i>';o.prototype.load=function(e){var o,i,n,r,a=this,c=0;e=e||{};var f=l(e.elem);if(f[0]){var m=l(e.scrollElem||document),u=e.mb||50,s=!("isAuto"in e)||e.isAuto,v=e.end||"没有更多了",y=e.scrollElem&&e.scrollElem!==document,d="<cite>加载更多</cite>",h=l('<div class="layui-flow-more"><a href="javascript:;">'+d+"</a></div>");f.find(".layui-flow-more")[0]||f.append(h);var p=function(e,t){e=l(e),h.before(e),t=0==t||null,t?h.html(v):h.find("a").html(d),i=t,o=null,n&&n()},g=function(){o=!0,h.find("a").html(t),"function"==typeof e.done&&e.done(++c,p)};if(g(),h.find("a").on("click",function(){l(this);i||o||g()}),e.isLazyimg)var n=a.lazyimg({elem:e.elem+" img",scrollElem:e.scrollElem});return s?(m.on("scroll",function(){var e=l(this),t=e.scrollTop();r&&clearTimeout(r),!i&&f.width()&&(r=setTimeout(function(){var i=y?e.height():l(window).height(),n=y?e.prop("scrollHeight"):document.documentElement.scrollHeight;n-t-i<=u&&(o||g())},100))}),a):a}},o.prototype.lazyimg=function(e){var o,t=this,i=0;e=e||{};var n=l(e.scrollElem||document),r=e.elem||"img",a=e.scrollElem&&e.scrollElem!==document,c=function(e,l){var o=n.scrollTop(),r=o+l,c=a?function(){return e.offset().top-n.offset().top+o}():e.offset().top;if(c>=o&&c<=r&&!e.attr("src")){var m=e.attr("lay-src");layui.img(m,function(){var l=t.lazyimg.elem.eq(i);e.attr("src",m).removeAttr("lay-src"),l[0]&&f(l),i++})}},f=function(e,o){var f=a?(o||n).height():l(window).height(),m=n.scrollTop(),u=m+f;if(t.lazyimg.elem=l(r),e)c(e,f);else for(var s=0;s<t.lazyimg.elem.length;s++){var v=t.lazyimg.elem.eq(s),y=a?function(){return v.offset().top-n.offset().top+m}():v.offset().top;if(c(v,f),i=s,y>u)break}};if(f(),!o){var m;n.on("scroll",function(){var e=l(this);m&&clearTimeout(m),m=setTimeout(function(){f(null,e)},50)}),o=!0}return f},e("flow",new o)});