Android 使用LitePal将list(String,对象,集合)数据保存到本地数据库

导入jar包就可以使用了，直接上代码：

 package com.sdufe.litepal;

 import java.util.ArrayList;
 import java.util.List;

 import org.litepal.crud.DataSupport;
 import org.litepal.tablemanager.Connector;

 import android.app.Activity;
 import android.database.sqlite.SQLiteDatabase;
 import android.os.Bundle;
 import android.widget.TextView;

 import com.sdufe.litepal.model.Student;

 /**
  * @author 子墨
  *
  * 2014-10-30
  */
 public class MainActivity extends Activity {

     private SQLiteDatabase db;
     private List list;
     private Student student;
     private TextView mInformation;

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
         mInformation = (TextView) findViewById(R.id.student_information);
         // 生成student表
         db = Connector.getDatabase();

         initDate();

         //保存
         DataSupport.saveAll(list);

         //查找
         student = DataSupport.find(Student.class, 3);
         mInformation.setText("姓名:" + student.getName() + "学号:"
                 + student.getNumber() + "性别:" + student.getSex());

         //更新
         student=new Student();
         student.setName("吸血鬼");
         student.update(4);

         //删除
         DataSupport.delete(Student.class, 4);
     }

     /**
      * 表中数据赋值
      */
     private void initDate() {

         list.add(new Student(5, "20100854213", "klaus", "男"));
         list.add(new Student(6, "20100854213", "klaus", "男"));
         list.add(new Student(7, "20100854213", "klaus", "男"));
         list.add(new Student(8, "20100854213", "klaus", "男"));
         list.add(new Student(9, "20100854213", "klaus", "男"));
     }

 }

都很简单,主要是人家源码太强大,直接抓来用就好,我的list保存主要是通过saveall实现

还有一点要注意的就是在assets文件夹下新建litepal.xml,不要忘记去配置它:

[html]  view plain  copy

 xml version="1.0" encoding="utf-8"?>
 <litepal>

     <dbname value="students" >
     dbname>

     <version value="1" >
     version>

     <list>
         <mapping class="com.sdufe.litepal.model.Student">mapping>
     list>

 litepal>