如何从visualforce页面上父对象的相关列表中保存子对象记录

2. 构造函数没有很好地定义,因为如果帐户Id不存在,它将查询所有机会。

4. 在saveopp()中,必须向上插入帐户。

5. 此外,关闭日期是保存opportunity的必填字段。因此,我们需要从UI获取信息。

我已经更新了你的代码。请过目一下,如果你有任何疑问,请告诉我。

    <apex:page standardController="Account" extensions="taskDemo">
        <apex:form >
        <apex:pageMessages />
        <apex:pageBlock title="" id="pb1" >
        <apex:pageBlockSection title="Assign" columns="2">
            <apex:inputField value="{!Account.Name}"/>
            <apex:inputField value="{!Account.AccountNumber}"/>
            <apex:inputField value="{!Account.Phone}"/>
            <apex:inputField value="{!Account.Website}"/>
            <apex:commandButton value="updateRecord" action="{!upsertAccount}"/>
        </apex:pageBlockSection>
        <apex:pageBlockTable value="{!oppList}" var="op">
            <apex:column headerValue="OpportunityName"> 
            <apex:inputField value="{!op.Name}">
            </apex:inputField>
            </apex:column>
            <!--<apex:column headerValue="AccountName">
            <apex:inputField value="{!op.Account.Name}"></apex:inputField>
            </apex:column>-->
            <apex:column headerValue="Close date">
                <apex:inputField value="{!op.CloseDate}"/>
            </apex:column>
            <apex:column headerValue="Amount">
            <apex:inputField value="{!op.Amount}">
            </apex:inputField>
            </apex:column>
            <apex:column headerValue="StageName">
            <apex:inputField value="{!op.StageName}">
            </apex:inputField>
            </apex:column>
         </apex:pageBlockTable>
        <apex:commandButton value="saveopp" action="{!saveopp}"/>
        <apex:commandButton value="AddRow" action="{!addRow}" rerender="pb1"/>
        </apex:pageBlock>
        </apex:form>
    </apex:page>

顶点延伸:

public class taskDemo {
    public ApexPages.StandardController controller;
    public List<Opportunity> oppList{get; set;}
    public Account account{get; set;}
    public String accId{get;set;}

    public taskDemo(ApexPages.StandardController controller) {
        try{
            account = new Account();
            account = (Account)controller.getRecord();
            if(account.Id != null){
                oppList = [Select id,Name,Account.Name,Amount,StageName,CloseDate from 
                         Opportunity where AccountId =: account.Id];
                system.debug('Opportunities '+ oppList.size());    
            }
            else{
                oppList = new List<Opportunity>();
            }    
        }
        catch(Exception e){
            ApexPages.addMessage(new ApexPages.message(ApexPages.Severity.ERROR,e.getMessage()));
        }

    }

    public void addRow(){
        oppList.add(new Opportunity());
    }

    public pageReference upsertAccount(){
        Pagereference pg = Page.taskDemoPage;//please update taskDemoPage with the name of your vf page.
        if(account.Name != null){
            upsert account;
            pg.getParameters().put('Id',account.Id);
            pg.setRedirect(true);
        }
        else{
            pg = null;
        }
        return pg;
    }

    public PageReference saveopp(){
        try{
            pageReference pg = Page.taskDemoPage;//please update taskDemoPage with the name of your vf page.
            if(account.Name != null){
                upsert account;
                pg.getParameters().put('Id',account.Id);
                List<Opportunity> con = new List<Opportunity>();

                for(Opportunity os : oppList)
                {   
                    os.AccountId = account.Id;
                    con.add(os);
                    system.debug('os record is='+os);
                }
                if(con != null){
                    upsert oppList;
                    system.debug('opp record is='+oppList);
                }
            }
            pg.setRedirect(true);
            return pg;            
        }
        catch(Exception e){
            ApexPages.addMessage(new ApexPages.message(ApexPages.Severity.ERROR,e.getMessage()));
            return null;
        }
    }
}