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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>Document</title>
<link rel="stylesheet" href="./example/index.css" />
</head>
<body>
<h1>IndexedDB Demo</h1>
<div class="ctrlbar">
<div class="ctrl-add active" data-add>添加 add</div>
<div class="ctrl-put" data-put>修改 put</div>
<div class="ctrl-delete" data-delete>删除 delete</div>
<div class="ctrl-query" data-query>查找 query</div>
</div>
<div class="test">
<div class="ctrl add show">
<ul>
<!-- <li class="use-id">
<label for="">ID</label>
<input type="text" class="id" placeholder="请输入id" />
</li> -->
<li class="use-name">
<label for="">姓名</label>
<input type="text" class="name" placeholder="请输入姓名" />
</li>
<li class="use-school">
<label for="">学校</label>
<input type="text" class="school" placeholder="请输入学校" />
</li>
<li>
<button id="addData">添加</button>
</li>
</ul>
</div>
<div class="ctrl put hide">
<ul>
<li class="use-id">
<label for="">ID</label>
<input type="text" class="id" placeholder="请输入id" />
</li>
<li class="use-name">
<label for="">姓名</label>
<input type="text" class="name" placeholder="请输入姓名" />
</li>
<li class="use-school">
<label for="">学校</label>
<input type="text" class="school" placeholder="请输入学校" />
</li>
<li>
<button id="putData">修改</button>
</li>
</ul>
</div>
<div class="ctrl delete hide">
<ul>
<li class="use-id">
<label for="">ID</label>
<input type="text" class="id" placeholder="请输入id" />
</li>
<li class="use-name">
<label for="">姓名</label>
<input type="text" class="name" placeholder="请输入姓名" />
</li>
<li class="use-school">
<label for="">学校</label>
<input type="text" class="school" placeholder="请输入学校" />
</li>
<li>
<button id="deleteData">删除</button>
</li>
</ul>
</div>
<div class="ctrl query hide">
<ul>
<li class="use-id">
<label for="">ID</label>
<input type="text" class="id" placeholder="请输入id" />
</li>
<li class="use-name">
<label for="">姓名</label>
<input type="text" class="name" placeholder="请输入姓名" />
</li>
<li class="use-school">
<label for="">学校</label>
<input type="text" class="school" placeholder="请输入学校" />
</li>
<li>
<button id="queryData">查找</button>
</li>
</ul>
</div>
</div>
<h2>预览 previews</h2>
<div class="tip"></div>
<div class="show-data">
<div class="show-head">
<ul>
<li>id</li>
<li>姓名</li>
<li>学校</li>
</ul>
</div>
<div id="showData"></div>
</div>
</body>
<script src="./example/tinydb.js"></script>
<script>
const ctrlbar = document.querySelector('.ctrlbar');
const testNode = document.querySelector('.test');
const add = document.querySelector("#addData");
const put = document.querySelector("#putData");
const _delete = document.querySelector("#deleteData");
const query = document.querySelector("#queryData");
const tip = document.querySelector('div.tip')
let wrap = document.querySelector("#showData");
let frame = document.createDocumentFragment();
const cache = {
ctrlbar: [ctrlbar.children[0]],
test: [testNode.children[0]]
}
ctrlbar.addEventListener('click', function (e) {
const allInput = document.querySelectorAll('input');
if (Reflect.ownKeys(e.target.dataset).length === 0) {
return false
}
if (cache.ctrlbar.length > 0) {
cache.ctrlbar[0].classList.remove('active')
cache.ctrlbar.length = 0
}
if (cache.test.length > 0) {
cache.test[0].classList.remove('show')
cache.test.length = 0
}
tip.innerHTML = ``;
cache.ctrlbar.push(e.target)
for (const key in e.target.dataset) {
const showNode = testNode.querySelector(`.${key}`)
tip.innerHTML = (key !== 'add' ? `use id ${key}`: '');
showNode.classList.add('show')
cache.test.push(showNode)
}
e.target.classList.add('active')
allInput.forEach(input => {
input.value = ''
})
})
const tables = [{
name: "table_student",
primaryKey: "id",
autoIncrement: true,
indexs: [{
index: "id",
relativeIndex: "id",
unique: true
},
{
index: "name",
relativeIndex: "name",
unique: false
},
{
index: "school",
relativeIndex: "school",
unique: false
}
]
}, {
name: "table_delete",
primaryKey: "id",
},
{
name: "table_delete1",
primaryKey: "id",
}
]
const test = TinyDB.of()
test.setup({
dbName: 'test',
version: 1
})
async function init() {
const result = await test.createTable(tables)
console.log(result)
}
init()
async function addTable() {
const result = await test.setVersion(2).createTable([{
name: "add_table",
keyPath: "id",
}])
console.log(result)
}
// addTable()
async function test_insert() {
await test.insert('table_student', {
name: 'lee1',
school: 'Github1',
})
await test.insert('table_student', {
name: 'lee2',
school: 'Github2',
})
await test.insert('table_student', {
name: 'lee3',
school: 'Github3'
})
await test.insert('table_student', {
name: 'lee4',
school: 'Github4'
})
await test.insert('table_student', {
name: 'lee5',
school: 'Github5'
})
}
// test_insert()
async function test_getAll() {
const result = await test.getAll('table_student')
console.log(result)
}
// test_getAll()
async function test_some() {
const result = await test.some('table_student', {
index: 'id',
lower: 1,
upper: 3
})
console.log(result)
}
// test_some()
async function test_update() {
const newData = {
name: 'lee11'
}
const result = await test.updateRecord('table_student', {
index: 'id',
value: 1
}, newData)
console.log(result)
}
// test_update()
async function test_getByPrimaryKey() {
const result = await test.getByPrimaryKey('table_student', 3)
console.log(result)
}
// test_getByPrimaryKey()
async function test_getByIndex() {
const result = await test.getByIndex('table_student', {
index: 'id',
value: 2
})
console.log(result)
}
// test_getByIndex()
async function test_deleteRecord() {
// used index
const result = await test.deleteRecord('table_student', {
index: 'id',
value: 6
})
// used primaryKey to delete
// const result = await test.deleteRecord('table_student', 4)
console.log(result)
}
// test_deleteRecord()
async function test_deleteDatabase() {
const result = await test.deleteDatabase('test')
console.log(result)
}
// test_deleteDatabase()
async function test_clearTableRecord() {
const result = await test.clearTableRecord('table_student')
console.log(result)
}
// test_clearTableRecord()
async function test_deleteTable() {
const result = await test.setVersion(3).deleteTable('table_delete')
console.log(result)
}
// test_deleteTable()
async function test_getDataWithLimits() {
const result = await test.getDataWithLimits('table_student', {
length: 1
})
console.log(result)
}
// test_getDataWithLimits()
showData();
add.addEventListener('click', async () => {
let inputs = document.querySelectorAll(".add input");
let data = {
name: inputs[0].value,
school: inputs[1].value
};
await test.insert("table_student", data);
requestAnimationFrame(() => showData())
})
put.addEventListener('click', async () => {
let inputs = document.querySelectorAll(".put input");
let data = {
name: inputs[1].value,
school: inputs[2].value
};
if (inputs[0].value !== "") data.id = +inputs[0].value;
await test.updateRecord("table_student", {
index: 'id',
value: data.id
}, data)
requestAnimationFrame(() => showData())
})
_delete.addEventListener('click', async () => {
let inputs = document.querySelectorAll(".delete input");
let data = {};
await test.deleteRecord("table_student", {
index: 'id',
value: +inputs[0].value
});
requestAnimationFrame(() => showData())
})
query.addEventListener('click', async () => {
let inputs = document.querySelectorAll(".query input");
let data = {};
console.log(inputs[0].value)
const result = await test.getByIndex('table_student', {
index: 'id',
value: +inputs[0].value
})
for (const item of result) {
const ul = new Element("ul", {
id: "db-data"
}, [
new Element("li", {
class: "id"
}, [`${item.id}`]),
new Element("li", {
class: "name"
}, [`${item.name}`]),
new Element("li", {
class: "school"
}, [`${item.school}`])
]);
frame.append(ul.render());
wrap.innerHTML = ``;
wrap.append(frame);
}
frame.innerHTML = ``;
})
const Element = function (tagName, props, children) {
this.tagName = tagName;
this.props = props;
this.children = children;
};
Element.prototype.render = function () {
const ele = document.createElement(this.tagName);
const props = this.props;
for (var propsName in props) {
var propsValue = props[propsName];
ele.setAttribute(propsName, propsValue);
}
const children = this.children || [];
children.forEach(child => {
const childEl =
child instanceof Element ?
child.render() :
document.createTextNode(child);
ele.appendChild(childEl);
});
return ele;
};
const createElement = function (tagName, props, children) {
return new Element(tagName, props, children);
};
async function showData() {
const result = await test.getAll("table_student")
if(!result.length) {
wrap.innerHTML = ``
return
}
for (const item of result) {
const ul = new Element("ul", {
id: "db-data"
}, [
new Element("li", {
class: "id"
}, [`${item.id}`]),
new Element("li", {
class: "name"
}, [`${item.name}`]),
new Element("li", {
class: "school"
}, [`${item.school}`])
]);
frame.append(ul.render());
wrap.innerHTML = ``;
requestAnimationFrame(() => {
wrap.append(frame);
})
}
frame.innerHTML = ``;
}
</script>
</html>