laravel

LiErDan — Sun, 31 Jan 2021 21:15:04 +0800

composer

LiErDan — Fri, 29 Jan 2021 10:38:20 +0800

#安装composer php -r "copy('https://install.phpcomposer.com/installer', 'composer-setup.php');" php composer-setup.php php -r "unlink('composer-setup.php');" #配置镜像 composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/ #5.4.* 代表5.4版

SwooleTalk

LiErDan — Wed, 27 Jan 2021 20:22:22 +0800

webSocket = new Swoole\WebSocket\Server("0.0.0.0", 9500); $this->webSocket->set([ "worker_num" =>

ElasticSearch - CURD

LiErDan — Thu, 14 Jan 2021 19:26:43 +0800

//简单查看健康状态 GET 192.168.1.91:9200/_cat/health?v //查看有那些索引 GET 192.168.1.91:9200/_cat/indices?v //建立一个索引 PUT 192.168.1.91:9200/test_index?pretty //删除索引 DELETE 192.168.1.91:9200/test_index //PUT 方法向索引中插入数据必须指定ID PUT 192.168.1.91:9200/students/_doc/1 { "name"

ElasticSearch 单节点启动

LiErDan — Fri, 08 Jan 2021 22:05:40 +0800

#下载es wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.10.1-linux-x86_64.tar.gz #添加用于启动es的用户 adduser es #创建数据目录 mkdir -p /mydata/es chown es:es /mydata/es -R mkdir /var/log/elasticsearch -p chown ElasticSearch:ElasticSearch /var/lo

MongoDB

LiErDan — Sat, 02 Jan 2021 01:01:26 +0800

单节点启动 wget https://repo.mongodb.org/yum/redhat/7/mongodb-org/4.4/x86_64/RPMS/mongodb-org-server-4.4.2-1.el7.x86_64.rpm rpm -i mongodb-org-server #此时已自动创建mongod用户, 创建默认 /etc/mongod.conf wget https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-rhel70-4.4

扫一扫 - flutter

LiErDan — Fri, 01 Jan 2021 15:03:35 +0800

import 'dart:io'; import 'package:flutter/foundation.dart'; import 'package:flutter/material.dart'; import 'package:qr_code_scanner/qr_code_scanner.dart'; const flashOn = 'FLASH ON'; const flashOff = 'FLASH OFF'; const frontCamera = 'FRONT CAMERA'; const

读写硬盘数据类似cookie - flutter

LiErDan — Tue, 29 Dec 2020 17:48:52 +0800

import 'package:flutter/cupertino.dart'; import 'package:flutter/material.dart'; import 'package:shared_preferences/shared_preferences.dart'; class FileReadAndWrite extends StatefulWidget { @override _FileReadAndWriteState createState() => _FileRead

检测网络状态 - flutter

LiErDan — Tue, 29 Dec 2020 02:01:30 +0800

import 'package:flutter/material.dart'; import 'package:connectivity/connectivity.dart'; class NetWorkDetection extends StatefulWidget { @override _NetWorkDetectionState createState() => _NetWorkDetectionState(); } class _NetWorkDetectionState ext

视频播放器 - flutter

LiErDan — Sun, 27 Dec 2020 14:21:32 +0800

import 'package:flutter/material.dart'; import 'package:chewie/chewie.dart'; import 'package:video_player/video_player.dart'; class PlayVideo extends StatefulWidget { String title = "视频播放器"; @override _PlayVideoState createState() => _PlayVideoSt

选择上传图片什么的 - flutter

LiErDan — Sat, 26 Dec 2020 18:21:52 +0800

import 'package:dio/dio.dart'; import 'package:http_parser/http_parser.dart'; import 'package:flutter/material.dart'; import 'package:flutter/rendering.dart'; import 'package:flutter/services.dart'; import 'package:image_pickers/image_pickers.dart'; import

挤压盒子内部滚动 - flutter

LiErDan — Tue, 22 Dec 2020 17:37:38 +0800

Container( color: Colors.green, child: Column( children: [ Flexible(child: Container( color: Colors.yellow, child:SingleChildScrollView( child: Column( mainA

获取设备信息 -flutter

LiErDan — Fri, 18 Dec 2020 15:43:31 +0800

import 'dart:io'; import 'package:flutter/material.dart'; import 'package:flutter/services.dart'; import 'package:device_info/device_info.dart'; class DevInformation extends StatefulWidget { @override _DevInformationState createState() => _DevInfor

WebView - flutter

LiErDan — Fri, 18 Dec 2020 10:58:29 +0800

// Copyright 2018 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // ignore_for_file: public_member_api_docs import 'dart:async'; import 'dart:convert'; im

渲染html - flutter

LiErDan — Thu, 17 Dec 2020 19:58:52 +0800

import 'package:flutter/material.dart'; import 'dart:convert'; import 'package:dio/dio.dart'; import 'package:flutter_html/flutter_html.dart'; import 'package:flutter_html/html_parser.dart'; import 'package:flutter_html/style.dart'; class NewsContent .

下拉刷新上拉加载更多 - flutter

LiErDan — Thu, 17 Dec 2020 14:30:24 +0800

import 'package:flutter/material.dart'; import 'dart:convert'; import 'package:dio/dio.dart'; class NewsPage extends StatefulWidget { NewsPage({Key key}) : super(key: key); _NewsPageState createState() => _NewsPageState(); } class _NewsPageState

Dio - flutter

LiErDan — Wed, 16 Dec 2020 00:29:43 +0800

import 'dart:convert'; import 'package:flutter/material.dart'; import 'package:dio/dio.dart'; class DioExample extends StatefulWidget { var arguments; DioExample({arguments}); @override _DioExampleState createState() => _DioExampleState(argu

Http - flutter

LiErDan — Sun, 13 Dec 2020 23:28:40 +0800

import 'dart:convert'; import 'dart:io'; import 'package:flutter/material.dart'; import 'package:http/http.dart' as http; class HttpExample extends StatefulWidget { HttpExample({arguments}); @override _HttpState createState() => _HttpState(); }

Dialog提示框 - flutter

LiErDan — Sun, 13 Dec 2020 14:17:22 +0800

import 'package:flutter/cupertino.dart'; import 'package:flutter/material.dart'; import 'package:bot_toast/bot_toast.dart'; import '../../components/MyDiglog.dart'; class Time extends StatefulWidget { @override _TimeState createState() => _TimeStat

第三方插件 Swiper - flutter

LiErDan — Fri, 11 Dec 2020 22:30:01 +0800

import 'package:flutter/material.dart'; import 'package:flutter_swiper/flutter_swiper.dart'; class Point extends StatefulWidget { @override _PointState createState() => _PointState(); } class _PointState extends State { List item = [

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