salesforce 零基础学习（六十）Wizard样式创建数据

项目中表之间关联关系特别多，比如三个表中A,B,C  C作为主表，A，B作为从表，有时候C表需要创建数据时，同时需要创建A，B两个表的数据，这种情况下，使用Wizard样式会更加友好。

以Goods__c表和Goods_Vendor__c表为例，Goods__c为主表，Goods_Vendor__c为从表。新建Goods__c记录以后同时要创建其相关的数据。

表结构关系如下：

代码：

1.GoodsHelper:封装获取goods的列表方法

 1 public without sharing class GoodsHelper {
 2
 3     public static final String BASE_GOODS_QUERY = ‘SELECT CreatedById, CreatedDate, IsDeleted,‘ +
 4                     ‘ Goods_Code_Unique__c, Name, GoodsPicture__c, GoodsBrand__c, GoodsCostPrice__c,‘ +
 5                     ‘ GoodsDescribe__c, GoodsName__c, GoodsPrice__c, GoodsProfit__c, Is_Draft__c,‘ +
 6                     ‘ LastModifiedById, LastModifiedDate, No__c, OwnerId, Id, RecordTypeId,‘ +
 7                     ‘ Status__c, SystemModstamp‘ +
 8                     ‘ FROM Goods__c where IsDeleted = false‘;
 9     public static final String BASE_GOODS_COUNT_QUERY = ‘SELECT count() from Goods__c where IsDeleted = false‘;
10     public static MyPaginationEnhancement getGoodsList(String goodsName,String goodsBrand,MyPaginationEnhancement pagination) {
11         String queryCondition= ‘‘;
12         String orderBy =‘‘;
13         if(goodsName != null) {
14             queryCondition += ‘ and GoodsName__c like %\‘‘ + goodsName + ‘%\‘‘;
15         }
16         if(goodsBrand != null) {
17             queryCondition += ‘ and GoodsBrand__c = :goodsBrand‘;
18         }
19         orderBy = ‘ order by createddate‘;
20
21         pagination.getQueryResult(BASE_GOODS_COUNT_QUERY,BASE_GOODS_QUERY,queryCondition,null,orderBy);
22         return pagination;
23     }
24 }

2.GoodsListController:Goods列表Controller

 1 public with sharing class GoodsListController {
 2     public Map<String,String> parameters;
 3
 4     public GoodsListController() {
 5         parameters=ApexPages.currentPage().getParameters();
 6         init();
 7     }
 8
 9     public MyPaginationEnhancement pagination = new MyPaginationEnhancement();
10
11     public String goodsName{get;set;}
12
13     public String goodsBrand{get;set;}
14
15
16     public void init() {
17         queryByCondition();
18     }
19
20     public void queryByCondition() {
21         GoodsHelper.getGoodsList(goodsName,goodsBrand,pagination);
22     }
23
24     public MyPaginationEnhancement resultPagination{
25         get{
26             if(pagination ==null){
27                pagination =new MyPaginationEnhancement();
28             }
29             return pagination;
30         }
31         set;
32     }
33
34     public List<Goods__c> resultList{
35         get{
36             if(pagination==null || pagination.resultList==null){
37                return new List<Goods__c>();
38             }
39             return pagination.resultList;
40         }
41         set;
42     }
43
44     public PageReference newGoods() {
45         return Page.detailGoods;
46     }
47
48     public void firstPage() {
49        pagination.first();
50        queryByCondition();
51     }
52
53     public void lastPage() {
54        pagination.last();
55        queryByCondition();
56     }
57
58     public void previousPage() {
59        pagination.previous();
60        queryByCondition();
61     }
62
63     public void nextPage() {
64        pagination.next();
65        queryByCondition();
66     }
67 }

3.GoodsListPage

 1 <apex:page controller="GoodsListController">
 2 <style>
 3 /*-- 分页 --*/
 4 .paginator {font:12px Arial, Helvetica, sans-serif; padding:10px 0; margin:0px;}
 5 .paginator a {padding:1px 6px;border:solid 1px #ddd;background:#fff;color:#000;text-decoration:none;margin-right:2px;}
 6 .paginator a:visited {padding:1px 6px;border:solid 1px #ddd;background:#fff;text-decoration:none;}
 7 .paginator .current {padding:1px 6px; font-weight:bold; color:#f0ab00; font-size:12px; border:none;}
 8 .paginator a:hover {color:#fff; background:#ffa501; border-color:#ffa501; text-decoration:none;}
 9
10 </style>
11
12     <apex:form >
13         <apex:commandButton value="新建商品" action="{!newGoods}"/>
14         <apex:outputPanel layout="block">
15             <apex:outputPanel layout="block">
16                 <apex:outputPanel layout="block">
17                     <apex:outputPanel layout="block" id="goodsList">
18                         <apex:dataTable align="center" value="{!resultList}" var="goods">
19                             <apex:column style="width:180px;">
20                                 <apex:facet name="header">{!$ObjectType.Goods__c.fields.GoodsName__c.label}</apex:facet>
21                                 <apex:outputText value="{!goods.GoodsName__c}" />
22                             </apex:column>
23                             <apex:column style="width:225px;">
24                                 <apex:facet name="header">{!$ObjectType.Goods__c.fields.GoodsPrice__c.label}</apex:facet>
25                                 <apex:outputText value="{!goods.GoodsPrice__c}" />
26                             </apex:column>
27                             <apex:column style="width:225px;">
28                                 <apex:facet name="header">{!$ObjectType.Goods__c.fields.GoodsCostPrice__c.label}</apex:facet>
29                                 <apex:outputText value="{!goods.GoodsCostPrice__c}" />
30                             </apex:column>
31                             <apex:column style="width:500px;">
32                                 <apex:facet name="header">操作</apex:facet>
33                                 <apex:outputLink value="/apex/detailGoods">编辑
34                                     <apex:param name="goodsId" value="{!goods.Id}"/>
35                                 </apex:outputLink>
36                             </apex:column>
37                         </apex:dataTable>
38
39                         <apex:outputPanel layout="block" styleClass="paginator"
40                             style="padding:0px;">
41                             <apex:panelGrid columns="2" style="width:100%;"
42                                 styleClass="az_text_table" rowClasses="paginator,paginator">
43                                 <apex:outputText rendered="{!!resultPagination.hasRecord}"
44                                     value="第 0 页，共 0 页，每页 {!resultPagination.pageSize} 条" />
45                                 <apex:outputText rendered="{!resultPagination.hasRecord}"
46                                     value="第 {!resultPagination.pageNumber} 页，共 {!resultPagination.totalPage} 页，每页 {!resultPagination.pageSize} 条" />
47                                 <apex:panelGroup >
48                                     <apex:outputPanel >
49                                         <apex:outputText value="首页"
50                                             rendered="{!(!resultPagination.hasRecord)||(!resultPagination.hasPrevious)}"
51                                             style="border: solid 1px #ddd;padding:1px 6px;background: #e8e8e9;margin-right:5px;"></apex:outputText>
52                                         <apex:commandLink action="{!firstPage}"
53                                             rendered="{!resultPagination.hasRecord && resultPagination.hasPrevious}"
54                                             immediate="true" reRender="companyList" value="首页"
55                                             style="margin-right:5px;" />
56                                     </apex:outputPanel>
57                                     <apex:outputPanel >
58                                         <apex:outputText value="上一页"
59                                             rendered="{!!resultPagination.hasRecord || (!resultPagination.hasPrevious)}"
60                                             style="border: solid 1px #ddd;padding:1px 6px;background: #e8e8e9;margin-right:5px;"></apex:outputText>
61                                         <apex:commandLink action="{!previousPage}"
62                                             rendered="{!resultPagination.hasRecord && resultPagination.hasPrevious}"
63                                             immediate="true" reRender="companyList" value="上一页"
64                                             style="margin-right:5px;" />
65                                     </apex:outputPanel>
66                                     <apex:outputPanel >
67                                         <apex:outputText value="{!resultPagination.pageNumber}"
68                                             styleClass="current" />
69                                     </apex:outputPanel>
70                                     <apex:outputPanel >
71                                         <apex:outputText value="下一页"
72                                             rendered="{!!resultPagination.hasRecord || !resultPagination.hasNext}"
73                                             style="border: solid 1px #ddd;padding:1px 6px;background: #e8e8e9;margin-right:5px;margin-left:5px;"></apex:outputText>
74                                         <apex:commandLink action="{!nextPage}"
75                                             rendered="{!resultPagination.hasRecord && resultPagination.hasNext}"
76                                             immediate="true" reRender="companyList" value="下一页"
77                                             style="margin-right:5px;margin-left:5px;" />
78                                     </apex:outputPanel>
79                                     <apex:outputPanel >
80                                         <apex:outputText value="尾页"
81                                             rendered="{!!resultPagination.hasRecord || !resultPagination.hasNext}"
82                                             style="border: solid 1px #ddd;padding:1px 6px;background: #e8e8e9;margin-right:5px;"></apex:outputText>
83                                         <apex:commandLink action="{!lastPage}"
84                                             rendered="{!resultPagination.hasRecord && resultPagination.hasNext}"
85                                             immediate="true" reRender="companyList" value="尾页"
86                                             style="margin-right:5px;" />
87                                     </apex:outputPanel>
88                                 </apex:panelGroup>
89                             </apex:panelGrid>
90                         </apex:outputPanel>
91                     </apex:outputPanel>
92                 </apex:outputPanel>
93             </apex:outputPanel>
94         </apex:outputPanel>
95     </apex:form>
96 </apex:page>

4.GoodsDetailController:此类中封装了Wizard的相关方式，Wizard的相关跳转均为转发方式。

  1 public with sharing class GoodsDetailController {
  2
  3     /*入口是新建还是更新：新建为false，更新为true*/
  4     public Boolean isEditView{
  5         get {
  6             if(isEditView == null) {
  7                 isEditView = false;
  8             }
  9             return isEditView;
 10         }
 11         set;
 12     }
 13
 14     public GoodsDetailController() {
 15         init();
 16     }
 17
 18     public GoodsDetailController(ApexPages.StandardController controller) {
 19         init();
 20     }
 21
 22     public void init() {
 23         String goodsId = ApexPages.currentPage().getParameters().get(‘goodsId‘);
 24         if(goodsId != null) {
 25             isEditView = true;
 26             String queryGoods = ‘SELECT Goods_Code_Unique__c, Name, GoodsBrand__c,‘ +
 27             ‘ GoodsCostPrice__c, GoodsDescribe__c, GoodsName__c, GoodsPrice__c,‘ +
 28             ‘ GoodsProfit__c, No__c,Id, Status__c‘ +
 29             ‘ FROM Goods__c where Id = :goodsId‘;
 30             String queryGoodsVendor = ‘SELECT Goods__c, Id, Vendor_Name__c‘ +
 31             ‘ FROM Goods_Vendor__c where Goods__c = :goodsId‘;
 32             List<Goods__c> goodsList = Database.query(queryGoods);
 33             if(goodsList != null && goodsList.size() > 0) {
 34                 goods = goodsList.get(0);
 35             }
 36             List<Goods_Vendor__c> goodsVendorList = Database.query(queryGoodsVendor);
 37             if(goodsVendorList != null && goodsVendorList.size() > 0) {
 38                 goodsVendor = goodsVendorList.get(0);
 39             }
 40         }
 41     }
 42
 43     public Goods__c goods{
 44         get{
 45             if(goods == null) {
 46                 goods = new Goods__c();
 47             }
 48             return goods;
 49         }
 50         set;
 51     }
 52
 53     public Goods_Vendor__c goodsVendor{
 54         get{
 55             if(goodsVendor == null) {
 56                 goodsVendor = new Goods_Vendor__c();
 57             }
 58             return goodsVendor;
 59         }
 60         set;
 61     }
 62
 63     public PageReference saveFinally() {
 64         Savepoint sp = Database.setSavepoint();
 65         try {
 66             upsert goods;
 67             goodsVendor.Goods__c = goods.Id;
 68             upsert goodsVendor;
 69         } catch(DMLException e) {
 70             Database.rollback(sp);
 71             ApexPages.addMessage(new ApexPages.Message(ApexPages.SEVERITY.ERROR,e.getMessage()));
 72             return null;
 73         }
 74         return redirectToGoodsList();
 75     }
 76
 77
 78
 79     public PageReference redirectToGoods() {
 80         return Page.detailGoods;
 81     }
 82
 83     public PageReference redirectToVendor() {
 84         return Page.detailVendor;
 85     }
 86
 87     public PageReference redirectToTotal() {
 88         return Page.detailGoodsTotal;
 89     }
 90
 91     public PageReference cancelCreateGoods() {
 92         if(!isEditView) {
 93             if(goodsVendor != null && goodsVendor.Id != null) {
 94                 delete goodsVendor;
 95             }
 96             if(goods != null && goods.Id != null) {
 97                 delete goods;
 98             }
 99         }
100         return redirectToGoodsList();
101     }
102
103     public PageReference redirectToGoodsList() {
104         PageReference ref = new PageReference(‘/apex/GoodsListPage‘);
105         ref.setRedirect(true);
106         return ref;
107     }
108
109 }

5.detailGoods.page:商品信息详情页面

 1 <apex:page controller="GoodsDetailController" tabStyle="Goods__c">
 2     <script>
 3         function confirmCancel() {
 4             var isCancel = confirm("确定取消新建商品信息?");
 5             if (isCancel) {
 6                 return true;
 7             }
 8             return false;
 9         }
10     </script>
11     <apex:sectionHeader title="New Goods " subtitle="Step 1 of 3"/>
12     <apex:form >
13         <apex:pageBlock title="Goods Information" mode="edit">
14             <apex:pageBlockButtons >
15                 <apex:commandButton action="{!redirectToVendor}" value="Next"></apex:commandButton>
16                 <apex:commandButton action="{!cancelCreateGoods}" value="Cancel" onclick="return confirmCancel()" immediate="true"/>
17             </apex:pageBlockButtons>
18             <apex:pageBlockSection title="Goods Basic Information">
19                 <apex:inputField id="GoodsUniqueCode" value="{!goods.Goods_Code_Unique__c}"/>
20                 <apex:inputField id="GoodsName" value="{!goods.GoodsName__c}"/>
21                 <apex:inputField id="GoodsPrice" value="{!goods.GoodsPrice__c}"/>
22                 <apex:inputField id="GoodsCostPrice" value="{!goods.GoodsCostPrice__c}"/>
23             </apex:pageBlockSection>
24         </apex:pageBlock>
25     </apex:form>
26 </apex:page>

6.detailVendor.page:vendor详情页

 1 <apex:page controller="GoodsDetailController" tabStyle="Goods_Vendor__c">
 2     <script>
 3         function confirmCancel() {
 4             var isCancel = confirm("确定取消新建商品信息?");
 5             if (isCancel)
 6                 return true;
 7             return false;
 8         }
 9     </script>
10     <apex:sectionHeader title="New Vendor" subtitle="Step 2 of 3"/>
11     <apex:form >
12         <apex:pageBlock title="Vendor Information" mode="edit">
13             <apex:pageBlockButtons >
14                 <apex:commandButton action="{!redirectToGoods}" value="Previous">
15                 </apex:commandButton>
16                 <apex:commandButton action="{!redirectToTotal}" value="Next">
17                 </apex:commandButton>
18                 <apex:commandButton action="{!cancelCreateGoods}" value="Cancel" onclick="return confirmCancel()" immediate="true"/>
19             </apex:pageBlockButtons>
20             <apex:pageBlockSection title="Vendor Basic Information">
21                 <apex:inputField id="VendorName" value="{!goodsVendor.Vendor_Name__c}"/>
22             </apex:pageBlockSection>
23         </apex:pageBlock>
24     </apex:form>
25 </apex:page>

7.detailTotal.page:用于显示goods以及vendor的详细信息以及提交按钮

 1 <apex:page controller="GoodsDetailController" tabStyle="Goods__c">
 2     <script>
 3         function confirmCancel() {
 4             var isCancel = confirm("确定取消新建商品信息?");
 5             if (isCancel)
 6                 return true;
 7             return false;
 8         }
 9     </script>
10     <apex:sectionHeader title="Goods Total Infomation" subtitle="Step 3 of 3"/>
11     <apex:form >
12         <apex:pageMessages />
13         <apex:pageBlock title="Total Information">
14             <apex:pageBlockButtons >
15                 <apex:commandButton action="{!redirectToVendor}" value="Previous"/>
16                 <apex:commandButton action="{!saveFinally}" value="Save"/>
17                 <apex:commandButton action="{!cancelCreateGoods}" value="Cancel" onclick="return confirmCancel()" immediate="true"/>
18             </apex:pageBlockButtons>
19             <apex:pageBlockSection title="Goods Information">
20                 <apex:outputField value="{!goods.Goods_Code_Unique__c}"/>
21                 <apex:outputField value="{!goods.GoodsName__c}"/>
22                 <apex:outputField value="{!goods.GoodsPrice__c}"/>
23                 <apex:outputField value="{!goods.GoodsCostPrice__c}"/>
24             </apex:pageBlockSection>
25             <apex:pageBlockSection title="Vendor Information">
26                 <apex:outputField value="{!goodsVendor.Vendor_Name__c}"/>
27             </apex:pageBlockSection>
28         </apex:pageBlock>
29     </apex:form>
30 </apex:page>

效果展示：

1.商品列表

2.点击编辑，如果点击新建其他内容均为空，此处只显示编辑

3.点击next进入vendor页面

4.total页面

5.点击save以后，成功则跳转到list页面，失败则显示失败ERROR

失败情况：

成功情况：

总结：Wizard适用于新建数据时创建一套级联数据情况，篇中step1-3之间的跳转均使用转发方式，而不是重定向(ref.setRedirect(true))，原因为：三个页面绑定了同一个controller，转发方式第一次进入走构造函数，以后均不在走构造函数，而重定向需要每次都走构造函数。如果使用重定向，则前一页修改的数据重定向以后在回此页面，修改的数据便会回滚到以前的状态。有错误的地方欢迎指正，有问题欢迎留言。

时间： 2024-04-20 14:58:37

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