工作日志记录

工作日志记录7.13

上午进行学生查看试题界面的开发工作，下午学习需要深化的知识。

package fraction;

import com.chinasofti.smartclassroomtv.ResourceTable;
import com.chinasofti.smartclassroomtv.data.*;
import ohos.aafwk.ability.fraction.Fraction;
import ohos.aafwk.content.Intent;
import ohos.agp.components.*;

import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import java.util.Date;
import java.text.SimpleDateFormat;

//test

public class Class_history extends Fraction {
    private ListContainer listContainer;

    private Button aft;
    private Button pre;
    private int page = 1;
    private Text page_text;

    private DependentLayout history_question_frame;
    private DependentLayout answer_result_frame;
    private Button show_detials_btn;
    private Button close_detials_btn;
    List<Class_historyItem> list;
    Class_historyItemProvider class_historyItemProvider;

    @Override
    protected Component onComponentAttached(LayoutScatter scatter, ComponentContainer container, Intent intent) {
        Component component=scatter.parse(ResourceTable.Layout_class_history,container,false);
        return  component;
    }

    //显示查看详情界面
    //获取此次上课记录发送的题目显示在history_question_frame上
    private void show_history_question_frame(String class_history_id){
        ArrayList<Answer_resultItem> answer_resultList = get_history_question(class_history_id);
        StemItemProvider stemItemProvider = new StemItemProvider(answer_resultList,getFractionAbility());
        stemItemProvider.setHistory_question_frame(answer_result_frame);
        ArrayList<Text> text_list = new ArrayList<>();
        text_list.add((Text)
                getFractionAbility().findComponentById(ResourceTable.Id_r1) );
        text_list.add((Text)
                getFractionAbility().findComponentById(ResourceTable.Id_r2) );
        text_list.add((Text)
                getFractionAbility().findComponentById(ResourceTable.Id_r3) );
        text_list.add((Text)
                getFractionAbility().findComponentById(ResourceTable.Id_r4) );
        text_list.add((Text)
                getFractionAbility().findComponentById(ResourceTable.Id_r5) );
        stemItemProvider.setText_list(text_list);
        ListContainer history_question_listContainer = (ListContainer)
                getFractionAbility().findComponentById(ResourceTable.Id_list_history_question);
        history_question_listContainer.setItemProvider(stemItemProvider);
        history_question_frame.setVisibility(0);
    }

    //关闭查看详情界面
    private void close_history_question_frame(){
        history_question_frame.setVisibility(1);
        close_answer_result();
    }

    //关闭答题结果界面
    private void close_answer_result(){
        answer_result_frame.setVisibility(1);
    }

    @Override
    protected void onStart(Intent intent) {
        super.onStart(intent);

        //获取上课历史并加载一页到前端UI
        listContainer = (ListContainer)
                getFractionAbility().findComponentById(ResourceTable.Id_list_class_history);
        list = getData(page);
        class_historyItemProvider = new Class_historyItemProvider(getPageData(page), getFractionAbility());
        listContainer.setItemProvider(class_historyItemProvider);

        //设置查看细节功能
        setShow_detials_setting();

        //设置翻页功能
        turn_page_setting();

        //设置答题结果功能
        answer_result_setting();

        //设置搜索相关功能
        search_setting();
    }

    //设置搜索相关功能
    private void search_setting(){
        //点击筛选后
        Button btn_search = (Button)
                getFractionAbility().findComponentById(ResourceTable.Id_btn_search);
        btn_search.setClickedListener(lis->{
            String year = ((Text)
                    getFractionAbility().findComponentById(ResourceTable.Id_year_select_text)).getText();
            String month = ((Text)
                    getFractionAbility().findComponentById(ResourceTable.Id_month_select_text)).getText();
            if (Integer.parseInt(month)<10)
                month = "0"+month;
            String day = ((Text)
                    getFractionAbility().findComponentById(ResourceTable.Id_day_select_text)).getText();
            if (Integer.parseInt(day)<10)
                day = "0"+day;
            String date = year+"-"+month+"-"+day;
            List<Class_historyItem> interList = new ArrayList<>();;
            for (int i=0;i<list.size();i++){
                if(list.get(i).getTime().equals(date))
                    interList.add(list.get(i));
            }
            class_historyItemProvider = new Class_historyItemProvider(interList, getFractionAbility());
            listContainer.setItemProvider(class_historyItemProvider);
        });
        //点击返回后
        Button btn_return = (Button)
                getFractionAbility().findComponentById(ResourceTable.Id_btn_return);
        btn_return.setClickedListener(lis->{
            class_historyItemProvider = new Class_historyItemProvider(getPageData(page), getFractionAbility());
            listContainer.setItemProvider(class_historyItemProvider);
        });
        //年
        Button year_up = (Button)
                getFractionAbility().findComponentById(ResourceTable.Id_year_up);
        year_up.setClickedListener(lis->{
            Text year_select_text = (Text)
                    getFractionAbility().findComponentById(ResourceTable.Id_year_select_text);
            if (year_select_text.getText().equals("2021"))
                return;
            year_select_text.setText(Integer.parseInt(year_select_text.getText())+1+"");
        });
        Button year_down = (Button)
                getFractionAbility().findComponentById(ResourceTable.Id_year_down);
        year_down.setClickedListener(lis->{
            Text year_select_text = (Text)
                    getFractionAbility().findComponentById(ResourceTable.Id_year_select_text);
            if (year_select_text.getText().equals("2011"))
                return;
            year_select_text.setText(Integer.parseInt(year_select_text.getText())-1+"");
        });
        //月
        Button month_up = (Button)
                getFractionAbility().findComponentById(ResourceTable.Id_month_up);
        month_up.setClickedListener(lis->{
            Text month_select_text = (Text)
                    getFractionAbility().findComponentById(ResourceTable.Id_month_select_text);
            if (month_select_text.getText().equals("12"))
                return;
            month_select_text.setText(Integer.parseInt(month_select_text.getText())+1+"");
        });
        Button month_down = (Button)
                getFractionAbility().findComponentById(ResourceTable.Id_month_down);
        month_down.setClickedListener(lis->{
            Text month_select_text = (Text)
                    getFractionAbility().findComponentById(ResourceTable.Id_month_select_text);
            if (month_select_text.getText().equals("1"))
                return;
            month_select_text.setText(Integer.parseInt(month_select_text.getText())-1+"");
        });
        //天
        Button day_up = (Button)
                getFractionAbility().findComponentById(ResourceTable.Id_day_up);
        day_up.setClickedListener(lis->{
            Text day_select_text = (Text)
                    getFractionAbility().findComponentById(ResourceTable.Id_day_select_text);
            if (day_select_text.getText().equals("31"))
                return;
            day_select_text.setText(Integer.parseInt(day_select_text.getText())+1+"");
        });
        Button day_down = (Button)
                getFractionAbility().findComponentById(ResourceTable.Id_day_down);
        day_down.setClickedListener(lis->{
            Text day_select_text = (Text)
                    getFractionAbility().findComponentById(ResourceTable.Id_day_select_text);
            if (day_select_text.getText().equals("1"))
                return;
            day_select_text.setText(Integer.parseInt(day_select_text.getText())-1+"");
        });
    }

    //设置查看细节功能
    private void setShow_detials_setting(){
        history_question_frame = (DependentLayout)
                getFractionAbility().findComponentById(ResourceTable.Id_history_question_frame);

        show_detials_btn = (Button)
                getFractionAbility().findComponentById(ResourceTable.Id_details);
        show_detials_btn.setClickedListener(lis->{
            int len = (Math.min(list.size(),page*14) - (page-1)*14);
            int count = 0;
            int key = 0;
            for (int i = 0; i< len ; i++ ){
                Checkbox cb = (Checkbox) listContainer.getComponentAt(i).findComponentById(ResourceTable.Id_item_name);
                if (cb.isChecked()){
                    key = i + (page-1)*14;
                    count++;
                }
            }
            if (count!=1)
                return;
            show_history_question_frame(list.get(key).getId());
        });

        close_detials_btn = (Button)
                getFractionAbility().findComponentById(ResourceTable.Id_cancle);
        close_detials_btn.setClickedListener(lis->{
            close_history_question_frame();
        });
    }

    //设置翻页功能
    private void turn_page_setting(){
        page_text = (Text)
                getFractionAbility().findComponentById(ResourceTable.Id_page);
        page_text.setText(""+page);

        aft = (Button)
                getFractionAbility().findComponentById(ResourceTable.Id_aft);

        aft.setClickedListener(lis->{
            if ((page)*14 >= list.size())
                return;
            class_historyItemProvider = new Class_historyItemProvider(getPageData(++page), getFractionAbility());
            listContainer.setItemProvider(class_historyItemProvider);
            page_text.setText(""+page);
        });

        pre = (Button)
                getFractionAbility().findComponentById(ResourceTable.Id_pre);

        pre.setClickedListener(lis->{
            if (page<=1)
                return;
            class_historyItemProvider = new Class_historyItemProvider(getPageData(--page), getFractionAbility());
            listContainer.setItemProvider(class_historyItemProvider);
            page_text.setText(""+page);
        });
    }

    //设置答题结果功能
    private void answer_result_setting(){
        answer_result_frame = (DependentLayout)
                getFractionAbility().findComponentById(ResourceTable.Id_answer_result_frame);
        Button answer_close = (Button)
                getFractionAbility().findComponentById(ResourceTable.Id_answer_close);
        answer_close.setClickedListener(lis->{
            close_answer_result();
        });
    }

    //从后端数据库获取指定上课记录的发送题目列表 用class_history_id在数据库查询
    //题目基本信息 题型 题干 分值
    //答题情况 回答人数 正确人数 正确率
    private ArrayList<Answer_resultItem> get_history_question(String class_history_id) {
        ArrayList<Answer_resultItem> list = new ArrayList<>();
        for (int i = 1; i <= 4; i++) {
            list.add(new Answer_resultItem("单选题","题干"+i,"1","50","30","60%"));
        }
        return list;
    }

    //从后端数据库获得所有上课历史信息，保存到list
    private ArrayList<Class_historyItem> getData(int page) {
        ArrayList<Class_historyItem> list = new ArrayList<>();
        for (int i = 1; i <= 45; i++) {
            SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");//设置日期格式
            Calendar calendar = Calendar.getInstance();
            calendar.setTime(new Date());
            calendar.add(Calendar.DATE, 0-i);
            //日期格式是yyyy-mm-dd
            list.add(new Class_historyItem(df.format(calendar.getTime()),"id"+i,"备注"+i));
        }
        return list;
    }

    //从list获取一页的上课历史信息，不连接后端
    private ArrayList<Class_historyItem> getPageData(int page) {
        ArrayList<Class_historyItem> list2 = new ArrayList<>();
        for (int i = (page-1)*14; i < Math.min(list.size(),page*14); i++) {
            list2.add(list.get(i));
        }
        return list2;
    }

}

标签：记录,text,findComponentById,工作,select,日志,Id,getFractionAbility,ResourceTable
来源： https://blog.csdn.net/ht1614423953/article/details/118873283