LiErDan-CSDN博客

原创 laravel

<?phpuse Illuminate\Support\Facades\Route;/*|--------------------------------------------------------------------------| Web Routes|--------------------------------------------------------------------------|| Here is where you can register web.

2021-01-31 21:15:04 142

原创 composer

#安装composerphp -r "copy('https://install.phpcomposer.com/installer', 'composer-setup.php');"php composer-setup.phpphp -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

2021-01-29 10:38:20 138

原创 SwooleTalk

<?phpclass SwooleWebSocket{ private $webSocket; private $redis; public function __construct(){ $this->webSocket = new Swoole\WebSocket\Server("0.0.0.0", 9500); $this->webSocket->set([ "worker_num" =>

2021-01-27 20:22:22 119

原创 ElasticSearch - CURD

//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IDPUT 192.168.1.91:9200/students/_doc/1{ "name"

2021-01-14 19:26:43 119

原创 ElasticSearch 单节点启动

#下载eswget 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/eschown es:es /mydata/es -Rmkdir /var/log/elasticsearch -pchown ElasticSearch:ElasticSearch /var/lo

2021-01-08 22:05:40 1006

原创 MongoDB

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.rpmrpm -i mongodb-org-server#此时已自动创建mongod用户, 创建默认 /etc/mongod.confwget https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-rhel70-4.4

2021-01-02 01:01:26 147

原创扫一扫 - flutter

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

2021-01-01 15:03:35 621 3

原创读写硬盘数据类似cookie - flutter

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

2020-12-29 17:48:52 106

原创检测网络状态 - flutter

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

2020-12-29 02:01:30 1036

原创视频播放器 - flutter

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

2020-12-27 14:21:32 279

原创选择上传图片什么的 - flutter

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

2020-12-26 18:21:52 140

原创挤压盒子内部滚动 - flutter

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

2020-12-22 17:37:38 153

原创获取设备信息 -flutter

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

2020-12-18 15:43:31 473 2

原创 WebView - flutter

// 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_docsimport 'dart:async';import 'dart:convert';im

2020-12-18 10:58:29 377

原创渲染html - flutter

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 .

2020-12-17 19:58:52 380

原创下拉刷新上拉加载更多 - flutter

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

2020-12-17 14:30:24 101

原创 Dio - flutter

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

2020-12-16 00:29:43 147

原创 Http - flutter

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();}

2020-12-13 23:28:40 87

原创 Dialog提示框 - flutter

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

2020-12-13 14:17:22 299

原创第三方插件 Swiper - flutter

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

2020-12-11 22:30:01 635

原创第三方时间插件flutter_cupertino_date_picker 1.0.26+2 - flutter

//需要修改with, Diagnosticableclass DateTimePickerTheme with Diagnosticable{ final cancelDefault = const Text('OK');

2020-12-11 16:43:11 429

原创自带时间插件 - flutter

import 'package:date_format/date_format.dart';import 'package:flutter/cupertino.dart' as cup;import 'package:flutter/material.dart';import 'package:flutter_localizations/flutter_localizations.dart';class GoodsInfo extends StatefulWidget { var argume

2020-12-10 00:33:55 508

原创 Radio &Switch - flutter

import 'package:flutter/cupertino.dart';import 'package:flutter/foundation.dart';import 'package:flutter/material.dart';class GoodsInfo extends StatefulWidget { var arguments; GoodsInfo({this.arguments}); @override _GoodsInfoState createState

2020-12-08 01:02:37 211

原创 TextField & Checkbox & CheckboxListTile - flutter

import 'package:flutter/material.dart';class GoodsInfo extends StatefulWidget { var arguments; GoodsInfo({this.arguments}); @override _GoodsInfoState createState() => _GoodsInfoState(arguments:this.arguments);}class _GoodsInfoState extend

2020-12-06 20:08:12 146

原创 floatingActionButton - flutter

import 'package:flutter/material.dart';import 'package:flutter_app/pages/Search.dart';import 'package:flutter_app/pages/homePages/Home.dart';import 'package:flutter_app/pages/homePages/Point.dart';import 'package:flutter_app/pages/homePages/Time.dart';

2020-12-06 17:16:47 78

原创 Buttons - flutter

import 'package:flutter/cupertino.dart';import 'package:flutter/material.dart';class Time extends StatefulWidget { @override _TimeState createState() => _TimeState();}class _TimeState extends State<Time> { @override Widget build(Build

2020-12-05 23:54:20 93

原创 Drawer - flutter

Scaffold( //从屏幕最左侧拉出来的抽屉, 手机版QQ的个人设置就是怎么实现的 drawer: Center( child: Text("抽屉啊"), ), //和上面的区别是从右侧拉出来 endDrawer: Drawer( child: Column( children: [ //自定义的DrawerHeader Row(

2020-12-05 18:33:42 96

原创 AppBar 定义顶部Tab切换 - flutter

使用DefaultTabController,Scaffold 嵌套出现了双 appBar的解决方案, 一种是放在appBar的title里, 效果不理想.一种是在内层appBar的title是null, 调整appBar的toolbarHeightimport 'package:flutter/material.dart';import 'package:flutter_app/pages/HomeContent.dart';class Search extends StatefulWidget

2020-12-04 23:53:29 299

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