android 读取excel表格数据,并存入数据库
最近策划提了个需求,但是已有的数据不能满足需要,于是内容资源部制作了份excel表格补充。So,任务来了,读取并使用excel数据。由于感觉excel表格里的数据使用频率较高,那么就不能等到需要了才去读取excel,所以决定采用先把excel读取出来写进数据库然后再读取数据库的方式。Just do it !
首先,根据excel表格创建对象:
package com.eebbk.englishpointread.extravoice;public class ExtraVoiceInfo {private int id;/*** 单词内容*/private String content;/*** 音标*/private String phonetic;/*** 词性*/private String property;/*** 释义*/private String paraphrase;/*** 美式发音名称*/private String usVoiceName;/*** 英式发音名称*/private String ukVoiceName;public ExtraVoiceInfo() {}public ExtraVoiceInfo(int id, String content, String phonetic, String property, String paraphrase,String usVoiceName, String ukVoiceName) {super();this.id = id;this.content = content;this.phonetic = phonetic;this.property = property;this.paraphrase = paraphrase;this.usVoiceName = usVoiceName;this.ukVoiceName = ukVoiceName;}public ExtraVoiceInfo(String content, String phonetic, String property, String paraphrase, String usVoiceName,String ukVoiceName) {super();this.content = content;this.phonetic = phonetic;this.property = property;this.paraphrase = paraphrase;this.usVoiceName = usVoiceName;this.ukVoiceName = ukVoiceName;}public int getId() {return id;}public void setId(int id) {this.id = id;}public String getContent() {return content;}public void setContent(String content) {this.content = content;}public String getPhonetic() {return phonetic;}public void setPhonetic(String phonetic) {this.phonetic = phonetic;}public String getProperty() {return property;}public void setProperty(String property) {this.property = property;}public String getParaphrase() {return paraphrase;}public void setParaphrase(String paraphrase) {this.paraphrase = paraphrase;}public String getUsVoiceName() {return usVoiceName;}public void setUsVoiceName(String usVoiceName) {this.usVoiceName = usVoiceName;}public String getUkVoiceName() {return ukVoiceName;}public void setUkVoiceName(String ukVoiceName) {this.ukVoiceName = ukVoiceName;}@Overridepublic String toString() {return "content:" + content + " phonetic:" + phonetic + " property:" + property + " paraphrase:"+ paraphrase + " usVoiceName:" + usVoiceName + " ukVoiceName:" + ukVoiceName;}}
然后,创建数据库:
package com.eebbk.englishpointread.extravoice;import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;/*** 配置数据库操作帮助类* * */
public class ExtraVoiceDBHelper extends SQLiteOpenHelper {public static final String TABLE_EXTRA_VOICE_INFO = "ExtraVoiceInfo";public static String DATA_BASE_NAME = "ExtraVoiceCfg.db";private static final int VERSION = 1;private static ExtraVoiceDBHelper instance;public static ExtraVoiceDBHelper getInstance( Context context ) {if (instance == null) {instance = new ExtraVoiceDBHelper( context );}return instance;}public ExtraVoiceDBHelper(Context context){super(context, DATA_BASE_NAME, null, VERSION);}@Overridepublic void onCreate(SQLiteDatabase db) {createTableUser(db);}@Overridepublic void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {updateTableUser(db, oldVersion, newVersion);}/*** 创建用户表* * */public void createTableUser(SQLiteDatabase db){db.execSQL("CREATE TABLE IF NOT EXISTS " + TABLE_EXTRA_VOICE_INFO + " (_id INTEGER PRIMARY KEY AUTOINCREMENT"+ ",content TEXT NOT NULL, phonetic TEXT ,property TEXT, paraphrase TEXT ,usVoiceName TEXT NOT NULL, ukVoiceName TEXT NOT NULL)" );}/*** 更新用户表* * */public void updateTableUser(SQLiteDatabase db, int oldVersion, int newVersion){if ( oldVersion != newVersion ){db.execSQL( "DROP TABLE IF EXISTS " + TABLE_EXTRA_VOICE_INFO );createTableUser(db);}}
}
接着就开始读取excel数据了:
package com.eebbk.englishpointread.extravoice;import java.io.InputStream;import com.eebbk.englishwords.reader.util.ConstData;
import com.eebbk.open.common.util.PreferencesUtils;import jxl.Sheet;
import jxl.Workbook;import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteException;
import android.util.Log;public class ExtraVoiceDBManager {private static final String TAG = "ExtraVoiceDBManager";private static final String EXCEPTION = "exception";private ExtraVoiceDBHelper mDBHelper = null;private static ExtraVoiceDBManager instance = null;public static ExtraVoiceDBManager getInstance(Context context) {if (instance == null) {instance = new ExtraVoiceDBManager(context.getApplicationContext());}return instance;}private ExtraVoiceDBManager(Context context) {mDBHelper = ExtraVoiceDBHelper.getInstance(context);if (PreferencesUtils.getBoolean(context, ConstData.IS_READED_EXTRA_SOUND_DATA, true)) {readExcelToDB(context);}}/*** 读取excel数据到数据库里* @param context*/private void readExcelToDB(Context context) {try {InputStream is = context.getAssets().open("syncenglish_extra_voice_data.xls");Workbook book = Workbook.getWorkbook(is);book.getNumberOfSheets();// 获得第一个工作表对象Sheet sheet = book.getSheet(0);int Rows = sheet.getRows();ExtraVoiceInfo info = null;for (int i = 1; i < Rows; ++i) {String content = (sheet.getCell(0, i)).getContents();String phonetic = (sheet.getCell(1, i)).getContents();String property = (sheet.getCell(2, i)).getContents();String paraphrase = (sheet.getCell(3, i)).getContents();String usVoiceName = (sheet.getCell(4, i)).getContents();String ukVoiceName = (sheet.getCell(5, i)).getContents();info = new ExtraVoiceInfo(content, phonetic, property, paraphrase, usVoiceName, ukVoiceName);saveInfoToDataBase(info);}book.close();PreferencesUtils.putBoolean(context, ConstData.IS_READED_EXTRA_SOUND_DATA, false);} catch (Exception e) {PreferencesUtils.putBoolean(context, ConstData.IS_READED_EXTRA_SOUND_DATA, true);Log.e(TAG, EXCEPTION, e);}}/*** 保存该条数据到数据库* @param info excel中的某条数据*/private void saveInfoToDataBase(ExtraVoiceInfo info) {if (mDBHelper == null) {return;}SQLiteDatabase db = mDBHelper.getWritableDatabase();try {ContentValues values = new ContentValues();values.put("content", info.getContent());values.put("phonetic", info.getPhonetic());values.put("property", info.getProperty());values.put("paraphrase", info.getParaphrase());values.put("usVoiceName", info.getUsVoiceName());values.put("ukVoiceName", info.getUkVoiceName());db.insert(ExtraVoiceDBHelper.TABLE_EXTRA_VOICE_INFO, null, values);} catch (SQLiteException e) {Log.e(TAG, EXCEPTION, e);} catch (Exception e){Log.e(TAG, EXCEPTION, e); } finally {if (db != null) {db.close();}}}/*** 根据内容获取 整条数据(ExtraVoiceInfo)* @param contentStr* @return*/public ExtraVoiceInfo getExtraVoiceInfo(String contentStr) {ExtraVoiceInfo info = null;if (mDBHelper == null) {return info;}SQLiteDatabase db = mDBHelper.getReadableDatabase();if (db == null) {return info;}Cursor cursor = db.rawQuery("select * from ExtraVoiceInfo where content = ?", new String[] { contentStr });try {if (cursor != null && cursor.moveToFirst()) {do {String content = cursor.getString(cursor.getColumnIndex("content"));String phonetic = cursor.getString(cursor.getColumnIndex("phonetic"));String property = cursor.getString(cursor.getColumnIndex("property"));String paraphrase = cursor.getString(cursor.getColumnIndex("paraphrase"));String usVoiceName = cursor.getString(cursor.getColumnIndex("usVoiceName"));String ukVoiceName = cursor.getString(cursor.getColumnIndex("ukVoiceName"));info = new ExtraVoiceInfo(content, phonetic, property, paraphrase, usVoiceName, ukVoiceName);} while (cursor.moveToNext());}} catch (SQLiteException e) {Log.e(TAG, EXCEPTION, e);} catch (Exception e){Log.e(TAG, EXCEPTION, e); } finally {if (cursor != null) {cursor.close();cursor = null;}if (db != null) {db.close();}}return info;}
}
最后我采用AsyncTask来进行excel读取保存到数据库:
package com.eebbk.englishpointread.extravoice;import android.content.Context;
import android.os.AsyncTask;public class ExtraVoiceAsynTask extends AsyncTask<Void, Void, Void> {private Context mContext = null;private ExtraVoiceDBManager dbManager = null;public ExtraVoiceAsynTask(Context context) {this.mContext = context;}@Overrideprotected Void doInBackground(Void... params) {dbManager = ExtraVoiceDBManager.getInstance(mContext);return null;}}
在需要使用excel中的数据时,通过调用
ExtraVoiceInfo info = mDbManager.getExtraVoiceInfo(clickTextStr);
获取到ExtraVoiceInfo 对象,然后对ExtraVoiceInfo 对象进行相应操作处理。
注意事项:
读取excel表格保存到数据里,需要再AndroidManifest.xml中添加相应权限:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>
因为是异步读取,而异步是不可靠的任务序列,所以无法保证读取的正确性。后来我改为在demo里读取excel,然后把生成的.db文件拷贝到需要用到的工程的Asset文件中,然后再从Asset读取db文件,这样会靠谱点。
附上demo地址:
https://gitee.com/zhangshao45612/FileToDbDemo
Or: https://github.com/zhangshao45612/FileToDbDemo
android 读取excel表格数据,并存入数据库相关推荐
- android 读取excel表格数据(暂时只支持xls格式)
需要的jar包:jxl public class ExcelUtils {private static List list = new ArrayList();private static Movie ...
- linux qt写入excel文件内容,Qt 读取Excel表格数据 生成Excel表格并写入数据
Qt 读取Excel表格数据 生成Excel表格并写入数据 Qt 读取Excel表格数据 生成Excel表格并写入数据 修改.pro文件,增加 axcontainer QT += axcontaine ...
- python读取excel表格数据
python操作excel主要用到xlrd和xlwt两个库,xlrd读取表格数据,支持xlsx和xls格式的excel表格:xlwt写入excel表格数据 一.python读取excel表格数据 1. ...
- python 如何读取excel表格数据
文章目录 前言 python 读取excel 表格 前言 如何用python读取excel表格数据呢 ? python 读取excel 表格 首先需要配置好环境,需要下载 xlrd 包: # 如果不指 ...
- 读取EXCEL表格数据到MATLAB成为矩阵
读取EXCEL表格数据到MATLAB成为矩阵 data=xlsread('filename','sheet','range') 其中,'filename'为文件路径及文件名,'sheet'为数据表名称 ...
- Qt之如何读取Excel表格数据
Qt之如何读取Excel表格数据 概述: 代码示例: .pro: 需要包含的头文件: readExcelData.h: readExcelData.cpp: over: 概述: 大家好我是背锅侠&qu ...
- Matlab中读取excel表格数据
一:Matlab中读取excel表格数据步骤讲解: 第二步: 第三步: 第四步: 第五步: 第六步 第七步: 输入之后按回车键,就会出现相应的波形: 效果图:
- 使用最新的poi-4.1.0.jar导入导出Excel表格——读取Excel表格数据用法
使用最新的poi-4.1.0.jar导入导出Excel表格--读取Excel表格数据用法 其中主要的一点心得就是在switch语句哪里进行读取数据转换时,我看到网上的一些用法都是使用 HSSFCell ...
- pandas使用read_excel函数读取excel表格数据为dataframe、设置sheet_name参数为表单索引位置列表则读取多个表单的数据并返回dataframe字典
pandas使用read_excel函数读取excel表格数据为dataframe.使用sheet_name参数指定读取excel表格中指定的sheet表单.设置sheet_name参数为表单索引位置 ...
- 拒绝“累丑”,告别加班,一键读取Excel表格数据自动录入至网页
朗思RPA:读取Excel表格数据自动录入到网页 朗思无代码RPA社区版可永久免费下载体验~ 零代码,易学易操作,可视化界面,全中文化支持,助力企业数字化转型,让员工工作更高效!
最新文章
- 17,Scatter函数
- ubuntu18下配置VS Code
- Map、Set、List简介
- CentOS查看已挂载的文件系统和文件系统信息
- JZOJ 5490. 【清华集训2017模拟11.28】图染色
- Scala集合与Java集合的对比
- 【牛客 - 82B】区间的连续段(贪心,建图,倍增)
- 在页面中给flash加链接
- 《深入理解分布式事务》第六章 最终一致性分布式事务解决方案
- 漫画:如何给女朋友解释为什么200M宽带,打王者荣耀还是会有460的延迟?
- git clone指定分支到本地
- Chrome unable load NTKO control
- 场景应用:100亿的数据你怎么排序
- java jdom_Java JDOM解析器
- 家用台式电脑计算机上的硬磁盘,台式电脑如何连接硬盘
- linux 提取网卡驱动,linux(ubuntu18.04)系统上安装RTL8822CE网卡驱动
- PostgreSQL和MySQL的性能对比实验
- 重磅推荐:火爆全网的「合成大西瓜」源码来了
- 苹果要求添加手机号且忘记安全提示问题解决办法
- ipp协议 服务器,IPP远程服务