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List 使用ModelDriven在struts2中添加对象列表<;列表<;对象>&燃气轮机;_List_Jsp_Struts2_Model Driven - Fatal编程技术网

List 使用ModelDriven在struts2中添加对象列表<;列表<;对象>&燃气轮机;

List 使用ModelDriven在struts2中添加对象列表<;列表<;对象>&燃气轮机;,list,jsp,struts2,model-driven,List,Jsp,Struts2,Model Driven,我想使用ModelDriven将Receiptitem的列表添加到DB中。这就是行动 public class AddReceipAction extends ActionSupport implements ModelDriven<List<Receiptitem>>{ private List<Receiptitem> receiptItemList; public List<Receiptitem> getReceiptItemList()

我想使用ModelDriven将Receiptitem的列表添加到DB中。这就是行动

public class AddReceipAction extends ActionSupport implements ModelDriven<List<Receiptitem>>{

private List<Receiptitem> receiptItemList;
public List<Receiptitem> getReceiptItemList() {
    return receiptItemList;
}

/**
 * @param receiptItemList the receiptItemList to set
 */
public void setReceiptItemList(List<Receiptitem> receiptItemList) {
    this.receiptItemList = receiptItemList;
}

@Override
public List<Receiptitem> getModel() {
    return receiptItemList; //To change body of generated methods, choose Tools | Templates.
}
@Action(value="addreceipt",
         results = {
             @Result(name="success", location="/w_receipting.jsp")
         })
 public String Addreceipt()
 {
     List<Receiptitem> temp = new ArrayList<Receiptitem>();
     for (Receiptitem item : receiptItemList)
     {
         if(item != null)
             temp.add(item);
     }
     ReceipDAO receipDAO = new ReceipDAO();
     receipDAO.add(temp);
     return SUCCESS;
 }
公共类AddReceipAction扩展了ActionSupport实现了模型驱动{
私有列表receiptItemList;
公共列表getReceiptItemList(){
返回receiptItemList;
}
/**
*@param receiptItemList要设置的receiptItemList
*/
public void setReceiptItemList(列表receiptItemList){
this.receiptItemList=receiptItemList;
}
@凌驾
公共列表getModel(){
return receiptItemList;//要更改生成方法的主体,请选择工具|模板。
}
@操作(value=“addreceipt”,
结果={
@结果(name=“success”,location=“/w_receipting.jsp”)
})
公共字符串addReceivement()
{
List temp=new ArrayList();
用于(Receiptitem项目:receiptItemList)
{
如果(项!=null)
临时添加(项目);
}
ReceipDAO ReceipDAO=新的ReceipDAO();
接收道添加(临时);
回归成功;
}
}

这是jsp页面:名为textfield的是Receipitem对象的属性

                              <tr>
                              <td><s:select id="product1" name="receiptItemList[0].product.idProduct" label="Category" cssStyle="width: 178px" list="allProducts" /></td>
                              <td><s:textfield id="quan1"  name="receiptItemList[0].receiptQuantity" label="Category Name" size="30" /></td>
                              <td><s:textfield id="price1"  name="receiptItemList[0].receiptPrice" label="Discription" size="30" /> </td>
                              <td><s:textfield id="total1"  value="" readonly="true"/></td>
                                </tr>
                                <tr>
                                    <td><s:select id="product2" name="receiptItemList[1].product.idProduct" label="Category" cssStyle="width: 178px" list="allProducts" /></td>
                                    <td><s:textfield id="quan2"  name="receiptItemList[1].receiptQuantity" label="Category Name" size="30" /></td>
                                    <td><s:textfield id="price2"  name="receiptItemList[1].receiptPrice" label="Discription" size="30" /> </td>
                                    <td><s:textfield id="total2"   value="" readonly="true"/></td>
                                </tr>
                                 <tr>
                                    <td><s:select id="product3" name="receiptItemList[2].product.idProduct" label="Category" cssStyle="width: 178px" list="allProducts" /></td>
                                    <td><s:textfield id="quan3"  name="receiptItemList[2].receiptQuantity" label="Category Name" size="30" /></td>
                                    <td><s:textfield id="price3"  name="receiptItemList[2].receiptPrice" label="Discription" size="30" /> </td>
                                    <td><s:textfield id="total3"  value="" readonly="true"/></td>
                                </tr>
                                <tr>
                                    <td><s:select id="product4" name="receiptItemList[3].product.idProduct" label="Category" cssStyle="width: 178px" list="allProducts" /></td>
                                    <td><s:textfield id="quan4"  name="receiptItemList[3].receiptQuantity" label="Category Name" size="30" /></td>
                                    <td><s:textfield id="price4"  name="receiptItemList[3].receiptPrice" label="Discription" size="30" /> </td>
                                    <td><s:textfield id="total4"   value="" readonly="true"/></td>
                                </tr>
                                <tr>
                                    <td><s:select id="product5" name="receiptItemList[4].product.idProduct" label="Category" cssStyle="width: 178px" list="allProducts" /></td>
                                    <td><s:textfield id="quan5"  name="receiptItemList[4].receiptQuantity" label="Category Name" size="30" /></td>
                                    <td><s:textfield id="price5"  name="receiptItemList[4].receiptPrice" label="Discription" size="30" /> </td>
                                    <td><s:textfield id="total5"   value="" readonly="true"/></td>
                                </tr>
                                <tr>
                                    <td><s:select id="product6" name="receiptItemList[5].product.idProduct" label="Category" cssStyle="width: 178px" list="allProducts" /></td>
                                    <td><s:textfield id="quan6" name="receiptItemList[5].receiptQuantity" label="Category Name" size="30" /></td>
                                    <td><s:textfield id="price6" name="receiptItemList[5].receiptPrice" label="Discription" size="30" /> </td>
                                    <td><s:textfield id="total6"  value="" readonly="true"/></td>
                                </tr>
                                 <tr>
                                    <td><s:select id="product7" name="receiptItemList[6].product.idProduct" label="Category" cssStyle="width: 178px" list="allProducts" /></td>
                                    <td><s:textfield id="quan7" name="receiptItemList[6].receiptQuantity" label="Category Name" size="30" /></td>
                                    <td><s:textfield id="price7"  name="receiptItemList[6].receiptPrice" label="Discription" size="30" /> </td>
                                    <td><s:textfield id="total7"   value="" readonly="true"/></td>
                                </tr>
                                <tr>
                                    <td><s:select id="product8" name="receiptItemList[7].product.idProduct" label="Category" cssStyle="width: 178px" list="allProducts" /></td>
                                    <td><s:textfield id="quan8"  name="receiptItemList[7].receiptQuantity" label="Category Name" size="30" /></td>
                                    <td><s:textfield id="price8" name="receiptItemList[7].receiptPrice" label="Discription" size="30" /> </td>
                                    <td><s:textfield id="total9"   value="" readonly="true"/></td>
                                </tr>
                                <tr>
                                    <td><s:select id="product9" name="receiptItemList[8].product.idProduct" label="Category" cssStyle="width: 178px" list="allProducts" /></td>
                                    <td><s:textfield id="quan9"  name="receiptItemList[8].receiptQuantity" label="Category Name" size="30" /></td>
                                    <td><s:textfield id="price9"  name="receiptItemList[8].receiptPrice" label="Discription" size="30" /> </td>
                                    <td><s:textfield id="total9"   value="" readonly="true"/></td>
                                </tr>
                                <tr>
                                    <td><s:select id="product10" name="receiptItemList[9].product.idProduct" label="Category" cssStyle="width: 178px" list="allProducts" /></td>
                                    <td><s:textfield id="quan10"  name="receiptItemList[9].receiptQuantity" label="Category Name" size="30" /></td>
                                    <td><s:textfield id="price10" name="receiptItemList[9].receiptPrice" label="Discription" size="30" /> </td>
                                    <td><s:textfield id="total10"   value="" readonly="true"/></td>


但它不工作,并且receiptItemList中的所有Receiptitem都为空

要使用模型驱动的操作,请确保将模型驱动的拦截器应用于您的操作。


ReceiptItem类看起来怎么样?