[英]Spring MVC Generics Object Binding/Type Conversion
I'm looking for a way to wrap my models or DTOs with a generic class to add a 'selected' Boolean property and be able to bind the object in my POST method controller. 我正在寻找一种使用通用类包装模型或DTO的方法,以添加“选定的”布尔属性,并能够在POST方法控制器中绑定对象。
Like this: 像这样:
public class RowForm<T> implements Serializable {
private static final long serialVersionUID = 1L;
private T model;
private Boolean selected=false;
public RowForm() {
super();
}
public RowForm(T model) {
super();
this.model = model;
}
public T getModel() {
return model;
}
public void setModel(T model) {
this.model = model;
}
public Boolean getSelected() {
return selected;
}
public void setSelected(Boolean selected) {
this.selected = selected;
}
}
public class ProductsForm implements Serializable{
private static final long serialVersionUID = 1L;
private RowForm<Product> row;
//...other stuff and getters/setters
}
and use it like this: 并像这样使用它:
@PostMapping ("/postProduct")
public String POSTproduct(Model model, @ModelAttribute ProductsForm pf)
{
....
}
But I'm stuck with the conversion... 但是我坚持转换...
When I call pf.getRow()
it returns a plain Object
, not a RowForm<Product>
. 当我调用pf.getRow()
它返回一个普通Object
,而不是RowForm<Product>
。
How can I implement a ConversionService/PropertyEditor to bind my posted data to my extended generic object? 如何实现ConversionService / PropertyEditor将发布的数据绑定到扩展的通用对象?
为什么不使用带有选定属性的抽象基类,并为您的DTO扩展它呢?
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