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add lowdb

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This commit is contained in:
gaoshuaixing
2021-11-23 20:33:34 +08:00
parent 992b423455
commit 263d7c85b5
10 changed files with 311 additions and 9 deletions
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2
README.md
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@@ -64,7 +64,7 @@
2. 安装，node推荐v14.16.0
```
# 提升安装速度，使用国内镜像；
npm config set registry https://registry.npm.taobao.org
npm config set registry https://registry.npmmirror.com
# 进入目录 ./electron-egg/
npm install
```

30
app/controller/v1/example.js
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@@ -124,6 +124,36 @@ class ExampleController extends BaseController {
self.sendSuccess(data);
}
async dbOperation() {
const self = this;
const { ctx, service } = this;
const paramsObj = ctx.request.body;
const data = {
action: paramsObj.action,
result: null,
all_list: []
};
switch (paramsObj.action) {
case 'add' :
data.result = await service.storage.addTestData(paramsObj.info);;
break;
case 'del' :
data.result = await service.storage.delTestData(paramsObj.delete_name);;
break;
case 'update' :
data.result = await service.storage.updateTestData(paramsObj.update_name, paramsObj.update_age);
break;
case 'get' :
data.result = await service.storage.getTestData(paramsObj.search_age);
break;
}
data.all_list = await service.storage.getAllTestData();
self.sendSuccess(data);
}
async addTestData() {
const self = this;
const { service } = this;

2
app/router/example.js
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@@ -41,4 +41,6 @@ module.exports = app => {
router.post('/api/v1/example/messageShowConfirm', controller.v1.example.messageShowConfirm);
// upload chrome extension
router.post('/api/v1/example/uploadExtension', controller.v1.example.uploadExtension);
// db operation
router.post('/api/v1/example/dbOperation', controller.v1.example.dbOperation);
};

40
app/service/storage.js
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@@ -95,8 +95,8 @@ class StorageService extends BaseService {
const key = storageKey.TEST_DATA;
const data = this.instance()
.get(key)
.find({name: name})
.assign({ age: age})
.find({name: name}) // 修改找到的第一个数据，貌似无法批量修改 todo
.assign({age: age})
.write();
return data;
@@ -105,15 +105,45 @@ class StorageService extends BaseService {
/*
* 查 Test data
*/
async getTestData(name = '') {
async getTestData(age = 0) {
const key = storageKey.TEST_DATA;
const data = this.instance()
let data = this.instance()
.get(key)
.find({name: name})
//.find({age: age}) 查找单个
.filter(function(o) {
let isHas = true;
isHas = age === o.age ? true : false;
return isHas;
})
//.orderBy(['age'], ['name']) 排序
//.slice(0, 10) 分页
.value();
if (_.isEmpty(data)) {
data = []
}
return data;
}
/*
* all Test data
*/
async getAllTestData() {
const key = storageKey.TEST_DATA;
if (!this.instance().has(key).value()) {
this.instance().set(key, []).write();
}
let data = this.instance()
.get(key)
.value();
if (_.isEmpty(data)) {
data = []
}
return data;
}
}
module.exports = StorageService;

1
frontend/src/api/main.js
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@@ -13,6 +13,7 @@ const mainApi = {
selectFileDir: '/api/v1/example/selectFileDir',
messageShow: '/api/v1/example/messageShow',
messageShowConfirm: '/api/v1/example/messageShowConfirm',
dbOperation: '/api/v1/example/dbOperation',
testElectronApi: '/api/v1/example/testElectronApi',
}

5
frontend/src/config/router.config.js
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@@ -28,6 +28,11 @@ export const constantRouterMap = [
name: 'DemoSocketIndex',
component: () => import('@/views/demo/socket/Index')
},
{
path: '/demo/db/index',
name: 'DemoDBIndex',
component: () => import('@/views/demo/db/Index')
},
{
path: '/demo/windowview/index',
name: 'DemoWindowViewIndex',

6
frontend/src/layouts/DemoMenu.vue
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@@ -36,6 +36,12 @@ export default {
pageName: 'DemoSocketIndex',
params: {}
},
'menu_301' : {
icon: 'profile',
title: '数据库',
pageName: 'DemoDBIndex',
params: {}
},
'menu_400' : {
icon: 'profile',
title: '视图',

223
frontend/src/views/demo/db/Index.vue Normal file
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@@ -0,0 +1,223 @@
<template>
<div id="app-demo-db">
<div class="one-block-1">
<span>
1. 本地数据库
</span>
</div>
<div class="one-block-2">
<a-row>
<a-col :span="8">
• LowDB本地JSON数据库
</a-col>
<a-col :span="8">
• 可使用lodash语法
</a-col>
<a-col :span="8">
• 数据文件db.json在日志同级目录
</a-col>
</a-row>
</div>
<div class="one-block-1">
<span>
2. 测试数据
</span>
</div>
<div class="one-block-2">
<a-row>
<a-col :span="24">
{{ all_list }}
</a-col>
</a-row>
</div>
<div class="one-block-1">
<span>
3. 添加数据
</span>
</div>
<div class="one-block-2">
<a-row>
<a-col :span="6">
<a-input v-model="name" :value="name" addon-before="姓名" />
</a-col>
<a-col :span="3">
</a-col>
<a-col :span="6">
<a-input v-model="age" :value="age" addon-before="年龄" />
</a-col>
<a-col :span="3">
</a-col>
<a-col :span="6">
<a-button @click="dbOperation('add')">
添加
</a-button>
</a-col>
</a-row>
</div>
<div class="one-block-1">
<span>
4. 获取数据
</span>
</div>
<div class="one-block-2">
<a-row>
<a-col :span="6">
<a-input v-model="search_age" :value="search_age" addon-before="年龄" />
</a-col>
<a-col :span="3">
</a-col>
<a-col :span="6">
</a-col>
<a-col :span="3">
</a-col>
<a-col :span="6">
<a-button @click="dbOperation('get')">
查找
</a-button>
</a-col>
</a-row>
<a-row>
<a-col :span="24">
{{ userList }}
</a-col>
</a-row>
</div>
<div class="one-block-1">
<span>
5. 修改数据
</span>
</div>
<div class="one-block-2">
<a-row>
<a-col :span="6">
<a-input v-model="update_name" :value="update_name" addon-before="姓名" />
</a-col>
<a-col :span="3">
</a-col>
<a-col :span="6">
<a-input v-model="update_age" :value="update_age" addon-before="年龄" />
</a-col>
<a-col :span="3">
</a-col>
<a-col :span="6">
<a-button @click="dbOperation('update')">
更新
</a-button>
</a-col>
</a-row>
</div>
<div class="one-block-1">
<span>
6. 删除数据
</span>
</div>
<div class="one-block-2">
<a-row>
<a-col :span="6">
<a-input v-model="delete_name" :value="delete_name" addon-before="姓名" />
</a-col>
<a-col :span="3">
</a-col>
<a-col :span="6">
</a-col>
<a-col :span="3">
</a-col>
<a-col :span="6">
<a-button @click="dbOperation('del')">
删除
</a-button>
</a-col>
</a-row>
</div>
</div>
</template>
<script>
import { localApi } from '@/api/main'
export default {
data() {
return {
name: '张三',
age: 10,
userList: ['空'],
search_age: 10,
update_name: '张三',
update_age: 21,
delete_name: '张三',
all_list: ['空']
};
},
mounted () {
this.getAllTestData();
},
methods: {
getAllTestData () {
const self = this;
const params = {
action: 'all',
}
localApi('dbOperation', params).then(res => {
if (res.code !== 0) {
return false
}
if (res.data.all_list.length == 0) {
return false;
}
self.all_list = res.data.all_list;
}).catch(err => {
console.log('err:', err)
})
},
dbOperation (ac) {
const self = this;
const params = {
action: ac,
info: {
name: this.name,
age: parseInt(this.age)
},
search_age: parseInt(this.search_age),
update_name: this.update_name,
update_age: parseInt(this.update_age),
delete_name: this.delete_name,
}
if (ac == 'add' && this.name.length == 0) {
self.$message.error(`请填写数据`);
}
localApi('dbOperation', params).then(res => {
if (res.code !== 0) {
return false
}
if (ac == 'get') {
if (res.data.result.length == 0) {
self.$message.error(`没有数据`);
return;
}
self.userList = res.data.result;
}
if (res.data.all_list.length == 0) {
return;
}
self.all_list = res.data.all_list;
self.$message.success(`success`);
}).catch(err => {
console.log('err:', err)
})
},
}
};
</script>
<style lang="less" scoped>
#app-demo-db {
padding: 0px 10px;
text-align: left;
width: 100%;
.one-block-1 {
font-size: 16px;
padding-top: 10px;
}
.one-block-2 {
padding-top: 10px;
}
}
</style>

6
package.json
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@@ -1,6 +1,6 @@
{
"name": "electron-egg",
"version": "1.15.0",
"version": "1.16.0",
"description": "A fast, desktop software development framework",
"main": "main.js",
"scripts": {
@@ -33,7 +33,7 @@
"to": "extraResources"
},
"electronDownload": {
"mirror": "https://npm.taobao.org/mirrors/electron/"
"mirror": "https://npmmirror.com/mirrors/electron/"
},
"nsis": {
"oneClick": false,
@@ -92,7 +92,7 @@
"egg-bin": "^4.12.3",
"egg-ci": "^1.11.0",
"egg-mock": "^3.21.0",
"electron": "^12.0.10",
"electron": "^12.2.3",
"electron-builder": "22.10.4",
"eslint": "^5.13.0",
"eslint-config-egg": "^7.1.0",

5
update.md
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@@ -1,3 +1,8 @@
## 1.16.0
1. 增加lowdb数据库实例代码
2. 更新npm源
3. 更新electron版本
## 1.15.0
1. 增加chrome扩展程序（重点）
2. 增加web(html)内容嵌入