封装测试
parent
3fd7abbb09
commit
2bc6b99a71
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module.exports = {
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dbName: 'databaseName', // 数据库名称
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dbPath: '_downloads/databaseName.db', // 数据库地址,推荐以下划线为开头 _doc/xxx.db
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// 判断数据库是否打开
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isOpen() {
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// 数据库打开了就返回 true,否则返回 false
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var open = plus.sqlite.isOpenDatabase({
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name: this.dbName, // 数据库名称
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path: this.dbPath // 数据库地址
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})
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return open;
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},
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// 创建数据库 或 有该数据库就打开
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openSqlite() {
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return new Promise((resolve, reject) => {
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// 打开数据库
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plus.sqlite.openDatabase({
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name: this.dbName,
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path: this.dbPath,
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success(e) {
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resolve(e); // 成功回调
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},
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fail(e) {
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reject(e); // 失败回调
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}
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})
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})
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},
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// 关闭数据库
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closeSqlite() {
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return new Promise((resolve, reject) => {
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plus.sqlite.closeDatabase({
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name: this.dbName,
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success(e) {
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resolve(e);
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},
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fail(e) {
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reject(e);
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}
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})
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})
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},
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// 数据库建表 sql:'CREATE TABLE IF NOT EXISTS dbTable("id" varchar(50),"name" TEXT)
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// 创建 CREATE TABLE IF NOT EXISTS 、 dbTable 是表名，不能用数字开头、括号里是表格的表头
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// data 是字段设置字符串，逗号分隔，如"id varchar(32),name varchar(32),age int ..."
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createTable(dbTable, data) {
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return new Promise((resolve, reject) => {
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// executeSql: 执行增删改等操作的SQL语句
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plus.sqlite.executeSql({
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name: this.dbName,
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sql: `CREATE TABLE IF NOT EXISTS ${dbTable}(${data})`,
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success(e) {
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resolve(e);
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},
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fail(e) {
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reject(e);
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}
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})
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})
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},
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// 数据库删表 sql:'DROP TABLE dbTable'
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dropTable(dbTable) {
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return new Promise((resolve, reject) => {
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plus.sqlite.executeSql({
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name: this.dbName,
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sql: `DROP TABLE ${dbTable}`,
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success(e) {
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resolve(e);
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},
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fail(e) {
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reject(e);
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}
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})
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})
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},
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// 向表格里添加数据 sql:'INSERT INTO dbTable VALUES('x','x','x')' 对应新增
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// 或者 sql:'INSERT INTO dbTable ('x','x','x') VALUES('x','x','x')' 具体新增
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// 插入 INSERT INTO 、 dbTable 是表名、根据表头列名插入列值
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insertTableData(dbTable, data, condition) {
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// 判断有没有传参
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if (dbTable !== undefined && data !== undefined) {
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// 判断传的参是否有值
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console.log(data,condition);
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var bol = (data == "");
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if (!bol) {
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if (condition == undefined) {
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var sql = `INSERT INTO ${dbTable} VALUES(${data})`;
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console.log(sql);
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} else {
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var sql = `INSERT INTO ${dbTable} (${condition}) VALUES(${data})`;
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}
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// console.log(sql);
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return new Promise((resolve, reject) => { resolve(sql) })
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} else {
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return new Promise((resolve, reject) => { reject("错误添加") })
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}
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} else {
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return new Promise((resolve, reject) => { reject("错误添加") })
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}
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},
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// 查询获取数据库里的数据 sql:'SELECT * FROM dbTable WHERE lname = 'lvalue''
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// 查询 SELECT * FROM 、 dbTable 是表名、 WHERE 查找条件 lname,lvalue 是查询条件的列名和列值
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selectTableData(dbTable, fieldName1, fieldValue1, fieldName2, fieldValue2,fieldName3,fieldValue3) {
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if (dbTable !== undefined) {
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// 第一个是表单名称，后两个参数是列表名，用来检索
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if (fieldName1 !== undefined && fieldName2 !== undefined && fieldName3!==undefined) {
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// 三个检索条件
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var sql = `SELECT * FROM ${dbTable} WHERE ${fieldName1} = '${fieldValue1}' AND ${fieldName2} = '${fieldValue2}' AND ${fieldName3}='${fieldValue3}'`;
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}
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if (fieldName1 !== undefined && fieldName2 !== undefined &&fieldName3==undefined) {
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// 两个检索条件
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var sql = `SELECT * FROM ${dbTable} WHERE ${fieldName1} = '${fieldValue1}' AND ${fieldName2} = '${fieldValue2}'`;
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}
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if (fieldName1 !== undefined && fieldName2 == undefined && fieldName3==undefined ) {
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// 一个检索条件
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var sql = `SELECT * FROM ${dbTable} WHERE ${fieldName1} = '${fieldValue1}'`;
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// console.log(sql);
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}
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if (fieldName1 == undefined) {
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var sql = `SELECT * FROM ${dbTable}`;
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}
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return new Promise((resolve, reject) => {
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// 表格查询数据,执行查询的SQL语句
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plus.sqlite.selectSql({
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name: this.dbName,
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sql: sql,
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success(e) {
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resolve(e);
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},
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fail(e) {
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reject(e);
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}
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})
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})
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} else {
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return new Promise((resolve, reject) => { reject("错误查询") });
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}
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},
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// 删除表里的数据 sql:'DELETE FROM dbTable WHERE lname = 'lvalue''
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// 删除 DELETE FROM 、 dbTable 是表名、 WHERE 查找条件 lname,lvalue 是查询条件的列名和列值
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deleteTableData(dbTable, fieldName1, fieldValue1, fieldName2, fieldValue2) {
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if (dbTable !== undefined) {
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if (lname == undefined) {
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var sql = `DELETE FROM ${dbTable}`;
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} else {
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if (ww !== undefined) {
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// 两个检索条件
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var sql = `DELETE FROM ${dbTable} WHERE ${fieldName1} = '${fieldValue1}' AND ${ww} = '${fieldValue2}'`;
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} else {
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// 一个检索条件
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var sql = `DELETE FROM ${dbTable} WHERE ${fieldName1} = '${fieldValue1}'`;
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}
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}
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return new Promise((resolve, reject) => {
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// 删除表数据
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plus.sqlite.executeSql({
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name: this.dbName,
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sql: sql,
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success(e) {
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resolve(e);
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},
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fail(e) {
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reject(e);
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}
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})
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})
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} else {
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return new Promise((resolve, reject) => { reject("错误删除") });
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}
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},
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// 修改数据表里的数据 sql:"UPDATE dbTable SET 列名='列值',列名='列值' WHERE lname = 'lvalue'"
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// 修改 UPDATE 、 dbTable 是表名, data: 是由要"列名1=值1,列名2=值2..."拼接的字符串， lname,lvalue 是查询条件的列名和列值
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updateTableData(dbTable, data, fieldName, fieldValue) {
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if (lname == undefined) {
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var sql = `UPDATE ${dbTable} SET ${data}`;
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} else {
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var sql = `UPDATE ${dbTable} SET ${data} WHERE ${fieldName} = '${fieldValue}'`;
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}
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// WHERE 前面是要修改的列名、列值，后面是条件的列名、列值
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return new Promise((resolve, reject) => {
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// 修改表数据
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plus.sqlite.executeSql({
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name: this.dbName,
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sql: sql,
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success(e) {
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resolve(e);
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},
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fail(e) {
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reject(e);
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}
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})
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})
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},
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// 获取指定数据条数 sql:"SELECT * FROM dbTable ORDER BY 'id' DESC LIMIT 15 OFFSET 'num'"
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// dbTable 表名, ORDER BY 代表排序默认正序, id 是排序的条件 DESC 代表倒序，从最后一条数据开始拿
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// LIMIT 15 OFFSET '${num}',这句的意思是跳过 num 条拿 15 条数据, num 为跳过多少条数据是动态值
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// 例 初始num设为0，就从最后的数据开始拿15条，下次不拿刚获取的数据，所以可以让num为15，这样就能一步一步的拿完所有的数据
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pullSQL(dbTable, id, num) {
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return new Promise((resolve, reject) => {
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plus.sqlite.selectSql({
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name: this.dbName,
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sql: `SELECT * FROM ${dbTable} ORDER BY '${id}' DESC LIMIT 15 OFFSET '${num}'`,
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success(e) {
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resolve(e);
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},
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fail(e) {
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reject(e);
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}
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})
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})
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}
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}
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@ -0,0 +1,233 @@
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module.exports = {
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dbName: 'databaseName', // 数据库名称
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dbPath: '_downloads/databaseName.db', // 数据库地址,推荐以下划线为开头 _doc/xxx.db
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// 判断数据库是否打开
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isOpen() {
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// 数据库打开了就返回 true,否则返回 false
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var open = plus.sqlite.isOpenDatabase({
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name: this.dbName, // 数据库名称
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path: this.dbPath // 数据库地址
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})
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return open;
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},
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// 创建数据库 或 有该数据库就打开
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openSqlite() {
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return new Promise((resolve, reject) => {
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// 打开数据库
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plus.sqlite.openDatabase({
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name: this.dbName,
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path: this.dbPath,
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success(e) {
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resolve(e); // 成功回调
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},
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fail(e) {
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reject(e); // 失败回调
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}
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})
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})
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},
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// 关闭数据库
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closeSqlite() {
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return new Promise((resolve, reject) => {
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plus.sqlite.closeDatabase({
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name: this.dbName,
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success(e) {
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resolve(e);
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},
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fail(e) {
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reject(e);
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}
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})
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})
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},
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// 数据库建表 sql:'CREATE TABLE IF NOT EXISTS dbTable("id" varchar(50),"name" TEXT)
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// 创建 CREATE TABLE IF NOT EXISTS 、 dbTable 是表名，不能用数字开头、括号里是表格的表头
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// data 是字段设置字符串，逗号分隔，如"id varchar(32),name varchar(32),age int ..."
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createTable(dbTable, data) {
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return new Promise((resolve, reject) => {
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// executeSql: 执行增删改等操作的SQL语句
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plus.sqlite.executeSql({
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name: this.dbName,
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sql: `CREATE TABLE IF NOT EXISTS ${dbTable}(${data})`,
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success(e) {
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resolve(e);
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},
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fail(e) {
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reject(e);
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}
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})
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})
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},
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// 数据库删表 sql:'DROP TABLE dbTable'
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dropTable(dbTable) {
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return new Promise((resolve, reject) => {
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plus.sqlite.executeSql({
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name: this.dbName,
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sql: `DROP TABLE ${dbTable}`,
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success(e) {
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resolve(e);
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},
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fail(e) {
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reject(e);
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}
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})
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})
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},
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// 向表格里添加数据 sql:'INSERT INTO dbTable VALUES('x','x','x')' 对应新增
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// 或者 sql:'INSERT INTO dbTable ('x','x','x') VALUES('x','x','x')' 具体新增
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// 插入 INSERT INTO 、 dbTable 是表名、根据表头列名插入列值
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insertTableData(dbTable, data, condition) {
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// 判断有没有传参
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if (dbTable !== undefined && data !== undefined) {
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// 判断传的参是否有值
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var bol = (JSON.stringify(data) == "{}");
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if (!bol) {
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if (condition == undefined) {
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var sql = `INSERT INTO ${dbTable} VALUES('${data}')`;
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} else {
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var sql = `INSERT INTO ${dbTable} (${condition}) VALUES(${data})`;
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}
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// console.log(sql);
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return new Promise((resolve, reject) => {
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// 表格添加数据
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plus.sqlite.executeSql({
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name: this.dbName,
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sql: sql,
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success(e) {
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resolve(e);
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},
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fail(e) {
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reject(e);
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}
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})
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})
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} else {
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return new Promise((resolve, reject) => { reject("错误添加") })
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}
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} else {
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return new Promise((resolve, reject) => { reject("错误添加") })
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}
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},
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// 查询获取数据库里的数据 sql:'SELECT * FROM dbTable WHERE lname = 'lvalue''
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// 查询 SELECT * FROM 、 dbTable 是表名、 WHERE 查找条件 lname,lvalue 是查询条件的列名和列值
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selectTableData(dbTable, fieldName1, fieldValue1, fieldName2, fieldValue2,fieldName3,fieldValue3) {
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if (dbTable !== undefined) {
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// 第一个是表单名称，后两个参数是列表名，用来检索
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if (fieldName1 !== undefined && fieldName2 !== undefined && fieldName3!==undefined) {
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// 三个检索条件
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var sql = `SELECT * FROM ${dbTable} WHERE ${fieldName1} = '${fieldValue1}' AND ${fieldName2} = '${fieldValue2}' AND ${fieldName3}='${fieldValue3}'`;
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}
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if (fieldName1 !== undefined && fieldName2 !== undefined &&fieldName3==undefined) {
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// 两个检索条件
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var sql = `SELECT * FROM ${dbTable} WHERE ${fieldName1} = '${fieldValue1}' AND ${fieldName2} = '${fieldValue2}'`;
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}
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if (fieldName1 !== undefined && fieldName2 == undefined && fieldName3==undefined ) {
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// 一个检索条件
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var sql = `SELECT * FROM ${dbTable} WHERE ${fieldName1} = '${fieldValue1}'`;
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// console.log(sql);
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}
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if (fieldName1 == undefined) {
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var sql = `SELECT * FROM ${dbTable}`;
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}
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return new Promise((resolve, reject) => {
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// 表格查询数据,执行查询的SQL语句
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plus.sqlite.selectSql({
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name: this.dbName,
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sql: sql,
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success(e) {
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resolve(e);
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},
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fail(e) {
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reject(e);
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}
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})
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})
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} else {
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return new Promise((resolve, reject) => { reject("错误查询") });
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}
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},
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// 删除表里的数据 sql:'DELETE FROM dbTable WHERE lname = 'lvalue''
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// 删除 DELETE FROM 、 dbTable 是表名、 WHERE 查找条件 lname,lvalue 是查询条件的列名和列值
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deleteTableData(dbTable, fieldName1, fieldValue1, fieldName2, fieldValue2) {
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if (dbTable !== undefined) {
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if (lname == undefined) {
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var sql = `DELETE FROM ${dbTable}`;
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} else {
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if (ww !== undefined) {
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// 两个检索条件
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var sql = `DELETE FROM ${dbTable} WHERE ${fieldName1} = '${fieldValue1}' AND ${ww} = '${fieldValue2}'`;
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} else {
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// 一个检索条件
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var sql = `DELETE FROM ${dbTable} WHERE ${fieldName1} = '${fieldValue1}'`;
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}
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}
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return new Promise((resolve, reject) => {
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// 删除表数据
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plus.sqlite.executeSql({
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name: this.dbName,
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sql: sql,
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success(e) {
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resolve(e);
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},
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fail(e) {
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reject(e);
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}
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})
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})
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} else {
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return new Promise((resolve, reject) => { reject("错误删除") });
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}
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},
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// 修改数据表里的数据 sql:"UPDATE dbTable SET 列名='列值',列名='列值' WHERE lname = 'lvalue'"
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// 修改 UPDATE 、 dbTable 是表名, data: 是由要"列名1=值1,列名2=值2..."拼接的字符串， lname,lvalue 是查询条件的列名和列值
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updateTableData(dbTable, data, fieldName, fieldValue) {
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if (lname == undefined) {
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var sql = `UPDATE ${dbTable} SET ${data}`;
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} else {
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var sql = `UPDATE ${dbTable} SET ${data} WHERE ${fieldName} = '${fieldValue}'`;
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}
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// WHERE 前面是要修改的列名、列值，后面是条件的列名、列值
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return new Promise((resolve, reject) => {
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// 修改表数据
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plus.sqlite.executeSql({
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name: this.dbName,
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sql: sql,
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success(e) {
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resolve(e);
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},
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fail(e) {
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reject(e);
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}
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})
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})
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},
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// 获取指定数据条数 sql:"SELECT * FROM dbTable ORDER BY 'id' DESC LIMIT 15 OFFSET 'num'"
|
||||
// dbTable 表名, ORDER BY 代表排序默认正序, id 是排序的条件 DESC 代表倒序，从最后一条数据开始拿
|
||||
// LIMIT 15 OFFSET '${num}',这句的意思是跳过 num 条拿 15 条数据, num 为跳过多少条数据是动态值
|
||||
// 例 初始num设为0，就从最后的数据开始拿15条，下次不拿刚获取的数据，所以可以让num为15，这样就能一步一步的拿完所有的数据
|
||||
pullSQL(dbTable, id, num) {
|
||||
return new Promise((resolve, reject) => {
|
||||
plus.sqlite.selectSql({
|
||||
name: this.dbName,
|
||||
sql: `SELECT * FROM ${dbTable} ORDER BY '${id}' DESC LIMIT 15 OFFSET '${num}'`,
|
||||
success(e) {
|
||||
resolve(e);
|
||||
},
|
||||
fail(e) {
|
||||
reject(e);
|
||||
}
|
||||
})
|
||||
})
|
||||
}
|
||||
}
|
||||
|
|
@ -18,7 +18,7 @@
|
|||
<button class="btn" @click="isOpenDatabase">判断</button>
|
||||
<button class="btn" @click="createTable">创建表</button>
|
||||
<button class="btn" @click="dropTable">删除表</button>
|
||||
<button class="btn" @click="insertChatRow">增</button>
|
||||
<button class="btn" @click="insertChatRowTwo">增</button>
|
||||
<button class="btn" @click="executeSql1">查</button>
|
||||
</view>
|
||||
</view>
|
||||
|
|
@ -63,6 +63,7 @@
|
|||
import SideBar from '@/components/sider-bar/slider-bar';
|
||||
import HeadInfo from '@/components/head-info/head-info';
|
||||
import sqlite from "../../common/sqlite.js"
|
||||
import rSqlite from "../../common/rSqlite.js"
|
||||
import {
|
||||
mapActions
|
||||
} from 'vuex'
|
||||
|
|
@ -148,21 +149,48 @@
|
|||
}
|
||||
})
|
||||
},
|
||||
insertChatRow() {
|
||||
// insertChatRow() {
|
||||
// let data = {
|
||||
// id: 1,
|
||||
// fromId: '123',
|
||||
// toId: '321',
|
||||
// content: 'bihao1',
|
||||
// flag: 1
|
||||
// }
|
||||
// data.id = Math.floor(Math.random() * 100);
|
||||
// let dbTable = 'cesTable'
|
||||
// // let sql = "insert into " + this.dbTable + " values('" + data.id + "','" + data.content +
|
||||
// // "','" + data.fromId + "','" + data.toId + "'," + data.flag + ")";
|
||||
// let sql = "insert into " + dbTable + " values('" + data.id + "','" +
|
||||
// data.content + "','" + data.fromId + "','" + data.toId + "','" + data.flag + "')";
|
||||
// this.executeSql(sql)
|
||||
// },
|
||||
insertChatRowTwo() {
|
||||
let data = {
|
||||
id: 1,
|
||||
fromId: '123',
|
||||
toId: '321',
|
||||
toId: '321',
|
||||
content: 'bihao1',
|
||||
flag: 1
|
||||
}
|
||||
'1,123,411'
|
||||
"'1','2','3'"
|
||||
data.id = Math.floor(Math.random() * 100);
|
||||
let dbTable = 'cesTable'
|
||||
// let sql = "insert into " + this.dbTable + " values('" + data.id + "','" + data.content +
|
||||
// "','" + data.fromId + "','" + data.toId + "'," + data.flag + ")";
|
||||
let sql = "insert into " + dbTable + " values('" + data.id + "','" +
|
||||
data.content + "','" + data.fromId + "','" + data.toId + "','" + data.flag + "')";
|
||||
this.executeSql(sql)
|
||||
let Arr = []
|
||||
for (let key in data) {
|
||||
Arr.push(`'${data[key]}'`);
|
||||
}
|
||||
let Str = Arr.join(',')
|
||||
|
||||
rSqlite.insertTableData(dbTable, Str).then((value) => {
|
||||
// 在resolve时执行的回调函数
|
||||
console.log(value); // 输出：Hello, World!
|
||||
this.executeSql(value)
|
||||
}).catch((error) => {
|
||||
// 在reject时执行的回调函数
|
||||
console.error(error);
|
||||
});
|
||||
},
|
||||
// 查
|
||||
executeSql(sql) {
|
||||
|
|
|
|||
|
|
@ -164,11 +164,9 @@
|
|||
});
|
||||
},
|
||||
executeSql(sql) {
|
||||
<<<<<<< HEAD
|
||||
|
||||
sqlite.executeSqlCeshi(sql).then((value) => {
|
||||
=======
|
||||
Sqlite.executeSqlCeshi(sql).then((value) => {
|
||||
>>>>>>> 99e78e950aa9ec6dccfe44174d8f77ac3239cf00
|
||||
|
||||
// 在resolve时执行的回调函数
|
||||
this.sqlData = value
|
||||
console.log(value); // 输出：Hello, World!
|
||||
|
|
|
|||
Loading…
Reference in New Issue