如何使用向导控件实现电商订单的状态流转原创
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12人赞赏了该文章 2702次浏览 未经作者许可,禁止转载编辑于2022年04月14日 18:52:01

关键词:向导控件

一、需求

      通过向导控件来实现一个电商订单的功能,以状态流转为例,订单有五种状态,分别是下单,付款,发货,收货,完结,每当一个状态想要完成,必须上传一张图片,并点击完成按钮,状态就变化, 等待下一次完成。

二、思路与方案

     这是一个典型的向导控件来展示的案例,但是控件只是封装好了前端展示的部件,具体的业务实现,还是需要后台代码配合向导控件来一起实现的。

三、实现过程

步骤1 :在内容区新建高级面板, 在高级面板子容器中加入单据体,在单据体加上记录向导控件要展示的几个字段,单据状态,向导状态,完成时间,图片等,这些数据都是跟控件相关的,设置好了把这个高级面板设为不可见,这个控件主要是用来存数据的,展示是用向导来展示的。

大致布局如下:  (具体控件属性可以在附件中下载)

image.png

步骤2 : 在内容区添加向导控件, 向导风格设定为横向 ,添加图片和完成按钮,完成按钮上绑定save操作。

步骤3 : 源单上注册插件:编写插件代码。

import java.util.EventObject;
package kd.bos.demo.WizardPlugin;
 
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.EventObject;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
 
 
import kd.bos.dataentity.entity.DynamicObject;
import kd.bos.dataentity.entity.DynamicObjectCollection;
import kd.bos.dataentity.entity.LocaleString;
import kd.bos.form.container.Wizard;
import kd.bos.form.control.Button;
import kd.bos.form.control.Steps;
import kd.bos.form.control.StepsOption;
import kd.bos.form.control.events.BeforeClickEvent;
import kd.bos.form.control.events.StepEvent;
import kd.bos.form.control.events.WizardStepsListener;
import kd.bos.form.plugin.AbstractFormPlugin;
 
public class  DemoWizardPlugin  extends AbstractFormPlugin implements WizardStepsListener {
         public void initialize()
         {//初始化监听控件
                   addClickListeners("bidt_buttonap");
                   Wizard wizard = this.getControl("bidt_wizardap");
                   wizard.addWizardStepsListener(this);
         }
         private HashMap statusMap=new HashMap();
         {        //初始化单据状态的映射关系
                   statusMap.put("1", "下单");
                   statusMap.put("2", "付款");
                   statusMap.put("3", "发货");
                   statusMap.put("4", "收货");
                   statusMap.put("5", "完结");
         }
        
         @Override
         public void beforeClick(BeforeClickEvent evt) {
                   //把处理逻辑放在beforeClick上,因为点击上已经有保存操作了
                   super.beforeClick(evt);
                   Button button=(Button) evt.getSource();
                   if (button.getKey().equals("bidt_buttonap")) {
                            if( this.getModel().getValue("bidt_picturefield")==null||"".equals(this.getModel().getValue("bidt_picturefield"))) {
                                     this.getView().showMessage("必须上传照片!");
                                     evt.setCancel(true);
                            }else{
                                     //获取当前单据体的内容
                                     DynamicObjectCollection xxrecordentrycollection=this.getModel().getEntryEntity("bidt_entry_detail");
                                     //是否是最后一步的变量
                                     boolean ifEndFlag=true;
                                     for(int k=0;k<xxrecordentrycollection.size();k++) {
                                               DynamicObject entrydata=xxrecordentrycollection.get(k);
                                               //进行中的步骤改成已完成
                                               if("B".equals(entrydata.get("bidt_wizardstatus"))) {
                                                        entrydata.set("bidt_wizardstatus", "C");
                                                        entrydata.set("bidt_picturefield1", this.getModel().getValue("bidt_picturefield"));
                                                        entrydata.set("bidt_finishtime",new Date());
                                                       
                                               }
                                               //未进行的改成进行中
                                               if("A".equals(entrydata.get("bidt_wizardstatus"))&&ifEndFlag){
                                                        entrydata.set("bidt_wizardstatus", "B");
                                                        //如果有未进行的改成进行中,则说明不是最后一步
                                                        ifEndFlag=false;
                                                        //并且把单据状态改成对应的状态
                                                        this.getModel().setValue("billstatus", k);
                                                        //改完下一条就退出循环
                                                        break;
                                              }
                                     }
                                    
                                     if(ifEndFlag) {
                                               //所有步骤全部完成,则 都整单完成
                                               this.getModel().setValue("billstatus", "5");
                                     }
                                     this.getView().updateView();
                            }
                                    
                    }
                  
         }
 
         @Override
         public void afterBindData(EventObject e) {
                   super.afterBindData(e);
                   //获取当前订单状态
                   String billstatus= (String) this.getModel().getValue("billstatus");
                   //如果是默认的下单状态就要初始化一下
                   if("1".equals(billstatus)) {
                            for (int i=0;i<5;i++) {
                                this.getModel().setValue("bidt_billstatusfield",i+1,i);
                       }
                            this.getModel().setValue("bidt_wizardstatus","B",0);
                   }
 
                   Wizard wizard = this.getControl("bidt_wizardap");
                   // 获取设计时的步骤条设置
                   List<StepsOption> stepsOptions = wizard.getStepsOptions();
                   //初始化步骤条
                   stepsOptions.clear();
                   DynamicObjectCollection xxrecordentrycollection=this.getModel().getEntryEntity("bidt_entry_detail");
        
                  
                   int i=0;
                   //设置当前进行到哪步的变量---当前步数,
                   int currentindex=-1;
                   //每次进入的时候重置一下页面缓存的当前步数,currentstep这个会在update方法中使用的
                   if(this.getPageCache().get("currentstep")!=null) {
                            this.getPageCache().remove("currentstep");
                   }
                   for(DynamicObject entrydata:xxrecordentrycollection ) {
                            StepsOption stepsOption0 = new StepsOption();
                            String levelobject = entrydata.getString("bidt_billstatusfield");
                            stepsOption0.setTitle(new LocaleString((String) statusMap.get(levelobject)));
                            //设置完成时间
                            Date finishtime=(Date) entrydata.get("bidt_finishtime");
                            if(finishtime!=null) {
                                     String pattern = "yyyy-MM-dd HH:mm:ss";
                           SimpleDateFormat simpleDateFormat = new SimpleDateFormat(pattern);
                           String timeStr=simpleDateFormat.format(finishtime);
                                     stepsOption0.setDescription(new LocaleString(timeStr));
                            }else {
                                     stepsOption0.setDescription(new LocaleString(" "));
                            }
                           
                            //根据不同的单据体内的状态设定不一样步骤状态
                            if("C".equals(entrydata.get("bidt_wizardstatus"))) {
                                     stepsOption0.setStatus(Steps.FINISH);
                                     i++;
                            }                                   
                            else if("A".equals(entrydata.get("bidt_wizardstatus"))){
                                     stepsOption0.setStatus(Steps.PROCESS);
                                     i++;
                            }else if("B".equals(entrydata.get("bidt_wizardstatus"))) {
                                     currentindex=i;
                                     this.getPageCache().put("currentstep",String.valueOf(currentindex));
                                     i++;
                            }
                            stepsOptions.add(stepsOption0);             
                   }
                   // 更新步骤条设置
                   wizard.setWizardStepsOptions(stepsOptions);
                   // 设置当前节点
                   Map<String, Object> currentStepMap = new HashMap<>();
                  
                   if(currentindex>=0) {       
                            currentStepMap.put("currentStep", currentindex);
                            currentStepMap.put("currentStatus", Steps.PROCESS);
                            this.getModel().setValue("bidt_picturefield", this.getModel().getValue("bidt_picturefield1", i-1));
                   }else {
                            currentStepMap.put("currentStep", i-1);
                            currentStepMap.put("currentStatus", Steps.FINISH);
                            this.getView().setVisible(false, "bidt_buttonap");
                   }
                   // 更新当前节点
                   wizard.setWizardCurrentStep(currentStepMap);
                  
         }
 
         @Override
         public void update(StepEvent paramStepEvent) {
                   // TODO Auto-generated method stub
                   int stepint = paramStepEvent.getValue();
                   this.getView().setVisible(true, "bidt_buttonap");
                   String currentstep = this.getPageCache().get("currentstep");
                   if(currentstep!=null) {
                            if(!currentstep.equals(String.valueOf(stepint))) {
                                     this.getView().setVisible(false, "bidt__buttonap");
                            }else {
                                     this.getView().setVisible(true, "bidt_buttonap");
                            }
                   }else {
                            this.getView().setVisible(false, "bidt_buttonap");
                   }
                   this.getModel().setValue("bidt_picturefield", this.getModel().getValue("bidt_picturefield1", stepint));
         }
}

四、效果图

进入页面后的:

image.png

点击完成按钮,自动进入下一步:

image.png

逐一完成后,页面的所有单据体完成了:

image.png

五、开发环境版本

COSMICV4.0.003.0

六、参考资料

【开发平台】指导手册

学习成长中心


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