Save.Vue
<template>
	<view class="container">
		<tm-sheet></tm-sheet>
		<tm-button @click='open()'>open</tm-button>
		<tm-button @click='set()'>set</tm-button>
		<tm-button @click='write()'>write</tm-button>
		<tm-button @click='check()'>check</tm-button>
		<tm-button @click='close()'>close</tm-button>
		{{av}}
	</view>
</template>

<script>
	export default {
		data() {
			return {
				href: 'https://uniapp.dcloud.io/component/README?id=uniui',
				av:'',
			}
		},
		
		methods: {
			open(){
				plus.sqlite.openDatabase({
						name: 'first',
						path: '_doc/test.db',
						success:(e)=>{
							console.log('openDatabase success!');
						},
						fail:(e)=>{
							console.log('openDatabase failed: '+JSON.stringify(e));
						}
					});
				
				
			},
			set(){
				plus.sqlite.executeSql({
						name: 'first',
						sql: 'create table citys("where" CHAR(110),"location" CHAR(100),"age" INT(11))',
						success:(e)=>{
							console.log('executeSql success!');
							},
								fail:(e)=>{
									console.log('executeSql failed: '+JSON.stringify(e));
								}
							});
			},
			write(){
				var d = new Date();
				plus.sqlite.executeSql({
					name: 'first',
					sql: "insert into citys values('北京','安乐林','13')",
					success:(e)=>{
						console.log('executeSql success!');
					},
					fail:(e)=>{
						console.log('executeSql failed: '+JSON.stringify(e));
					}
				});
			},
		check(){
			plus.sqlite.selectSql({
					name: 'first',
					sql: 'select * from citys',
					success:(data)=>{
						console.log('selectSql success: ');
						for(var i in data){
							console.log(data[i]);
						}
						var k=data[1]['where'];
						this.av=k
					},
					fail:(e)=>{
						console.log('selectSql failed: '+JSON.stringify(e));
					}
				});
			
		},
		close(){
			plus.sqlite.closeDatabase({
					name: 'first',
					success:(e)=>{
						console.log('closeDatabase success!');
					},
					fail:(e)=>{
						console.log('closeDatabase failed: '+JSON.stringify(e));
					}
				});
		}
		},
	}
</script>

是一个使用JavaScript和HTML编写的代码块,该代码使用Uni-App框架创建一个移动应用程序。它包括几个与SQLite数据库交互的方法。 open()方法创建一个新的数据库,set()方法在数据库中创建一个表,write()方法向表中插入新行,check()方法选择表中的所有行并将它们记录到控制台中,close()方法关闭数据库。还有几个按钮,当点击时会触发这些方法。最后,av变量被用于存储citys表的第二行中where列的值,然后在页面上显示。