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2026-03-16 10:37:46 +08:00

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import Cursor from 'android.database.Cursor';
import SQLiteDatabase from 'android.database.sqlite.SQLiteDatabase';
import SQLiteOpenHelper from 'android.database.sqlite.SQLiteOpenHelper';
import { createSQLiteContextOptions, executeSqlOptions, selectSqlOptions, executeSqlOptionsResult, selectSqlOptionsResult, transactionOptions,transactionResult } from '../interface.uts';
class SQLiteContext extends SQLiteOpenHelper {
private databaseName: string | null;
constructor(name: string) {
super(UTSAndroid.getAppContext()!, name, null, 1);
this.databaseName = name;
}
public executeSql(options: executeSqlOptions): void {
const database: SQLiteDatabase = this.getReadableDatabase();
const SqlArray = options.sql.split(';');
let result: executeSqlOptionsResult = {
data: [] as boolean[],
errMsg: 'executeSql:ok',
errCode: 0,
errSubject: '',
cause: null
}
try {
for (let i = 0; i < SqlArray.length; i++) {
if (SqlArray[i].length > 0) {
const sql = SqlArray[i].replace(/^\s+/, '');
try {
database.execSQL(sql);
result.data.push(true);
} catch (err) {
console.error('database.execSQL 出错:', err, 'SQL:', sql);
result.data.push(false);
// 立即调用 fail 并返回
result.errMsg = 'executeSql:fail';
result.errCode = 1000002;
result.cause = err;
options.fail?.(result);
options.complete?.(result);
return;
}
}
}
options.success?.(result);
} catch (e) {
console.error('executeSql 外层出错:', e);
const data = result.data;
result = {
errCode: 1000002,
errMsg: 'executeSql:fail',
errSubject: '',
cause: e,
data: data
};
options.fail?.(result);
}
options.complete?.(result);
}
public selectSql(options: selectSqlOptions): void {
const database: SQLiteDatabase = this.getReadableDatabase();
const SqlArray = options.sql.split(';');
let result: selectSqlOptionsResult = {
data: [] as string[][],
errMsg: 'selectSql:ok',
errCode: 0,
errSubject: '',
cause: null
}
try {
for (let i = 0; i < SqlArray.length; i++) {
if (SqlArray[i].length > 0) {
const sql = SqlArray[i].replace(/^\s+/, '');
try {
const cursor: Cursor = database.rawQuery(sql, null);
//获取查询结果的字符串并push到result.data中
if (cursor.moveToFirst()) {
do {
const row = cursor.getColumnCount();
const rowArray = [] as string[];
for (let j = 0; j < row; j++) {
rowArray.push(cursor.getString(j.toInt()));
}
result.data.push(rowArray);
} while (cursor.moveToNext());
}
cursor.close();
} catch {
result.data.push([] as string[]);
}
}
}
options.success?.(result);
} catch (e) {
const data = result.data;
result = {
errCode: 1000003,
errMsg: 'selectSql:fail',
errSubject: '',
cause: e,
data: data
};
options.fail?.(result);
}
options.complete?.(result);
}
public transaction(options: transactionOptions): void {
const database: SQLiteDatabase = this.getReadableDatabase();
const transaction = options.transaction;
let result: transactionResult = {
errMsg: 'transaction:ok',
errCode: 0,
errSubject: '',
cause: null
};
try {
if (transaction == 'begin') {
database.execSQL('BEGIN TRANSACTION');
} else if (transaction == 'commit') {
database.execSQL('COMMIT');
} else if (transaction == 'rollback') {
database.execSQL('ROLLBACK');
}
options.success?.(result);
} catch (e) {
let errCode = 1000008;
if (transaction == 'begin') {
errCode = 1000004;
} else if (transaction == 'commit') {
errCode = 1000005;
} else if (transaction == 'rollback') {
errCode = 1000006;
}
result = {
errCode: errCode,
errMsg: 'transaction:fail',
errSubject: '',
cause: e
};
options.fail?.(result);
}
options.complete?.(result);
}
public override onCreate(db: SQLiteDatabase): void {
// 可选:初始化表结构
}
public override onUpgrade(db: SQLiteDatabase, oldVersion: Int, newVersion: Int): void {
// 可选:数据库升级逻辑
}
}
export const createSQLiteContext = function (options: createSQLiteContextOptions) {
const name = options.name + '.db';
return new SQLiteContext(name); // 必须返回对象
}
export type executeSqlOptionsResultType = {
errCode: number;
errSubject?: string;
cause?: any;
errMsg: string;
date?: boolean[];
};
export type selectSqlOptionsResultType = {
errCode: number;
errSubject?: string;
cause?: any;
errMsg: string;
date?: string[];
};