<template> <view> <page-head :title="title"></page-head> <view class="uni-padding-wrap uni-common-mt"> <view class="uni-btn-v"><button type="primary" @click="openDB">打开数据库test.db</button></view> <view class="uni-btn-v"><button type="primary" @click="executeSQL">创建表database及插入数据</button></view> <view class="uni-btn-v"><button type="primary" @click="selectSQL">查询表database的数据</button></view> <view class="uni-btn-v"><button type="primary" @click="droptable">删除表database</button></view> <view class="uni-btn-v"><button type="primary" @click="closeDB">关闭数据库test.db</button></view> <view class="uni-btn-v"><button type="primary" @click="isOpenDB">查询是否打开数据库</button></view> </view> </view> </template> <script> export default { data() { return { title: 'SQLite' }; }, methods: { openDB: function() { plus.sqlite.openDatabase({ name: 'first', path: '_doc/test.db', success: function(e) { plus.nativeUI.alert('打开数据库test.db成功 '); }, fail: function(e) { plus.nativeUI.alert('打开数据库test.db失败: ' + JSON.stringify(e)); } }); }, // 执行SQL语句 executeSQL: function() { plus.sqlite.executeSql({ name: 'first', sql: 'create table if not exists database("name" CHAR(110),"sex" CHAR(10),"age" INT(11))', success: function(e) { plus.sqlite.executeSql({ name: 'first', sql: "insert into database values('彦','女','7000')", success: function(e) { plus.nativeUI.alert('创建表table和插入数据成功'); }, fail: function(e) { plus.nativeUI.alert('创建表table成功但插入数据失败: ' + JSON.stringify(e)); } }); }, fail: function(e) { plus.nativeUI.alert('创建表table失败: ' + JSON.stringify(e)); } }); }, // 查询SQL语句 selectSQL: function() { plus.sqlite.selectSql({ name: 'first', sql: 'select * from database', success: function(e) { plus.nativeUI.alert('查询SQL语句成功: ' + JSON.stringify(e)); }, fail: function(e) { plus.nativeUI.alert('查询SQL语句失败: ' + JSON.stringify(e)); } }); }, // 删除表 droptable: function() { plus.sqlite.executeSql({ name: 'first', sql: 'drop table database', success: function(e) { plus.nativeUI.alert('删除表database成功'); }, fail: function(e) { plus.nativeUI.alert('删除表database失败: ' + JSON.stringify(e)); } }); }, // 关闭数据库 closeDB: function() { plus.sqlite.closeDatabase({ name: 'first', success: function(e) { plus.nativeUI.alert('关闭数据库成功'); }, fail: function(e) { plus.nativeUI.alert('关闭数据库失败: ' + JSON.stringify(e)); } }); }, isOpenDB: function() { if ( plus.sqlite.isOpenDatabase({ name: 'first', path: '_doc/test.db' }) ) { plus.nativeUI.alert('Opened!'); } else { plus.nativeUI.alert('Unopened!'); } } } }; </script> <style> .uni-btn-v { margin: 20rpx 0; padding: 0; } </style>