package com.how2java.tmall.pojo;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;

@Entity
@Table(name = "propertyvalue")
public class PropertyValue {
	@Id
	@GeneratedValue(strategy = GenerationType.IDENTITY) 
	@Column(name = "id")	
	private int id;
	
    @ManyToOne
    @JoinColumn(name="pid")	
	private Product product;
    @ManyToOne
    @JoinColumn(name="ptid")    
	private Property property;

    private String value;
	public int getId() {
		return id;
	}

	public void setId(int id) {
		this.id = id;
	}

	public String getValue() {
		return value;
	}
	public void setValue(String value) {
		this.value = value;
	}
	public Product getProduct() {
		return product;
	}
	public void setProduct(Product product) {
		this.product = product;
	}
	public Property getProperty() {
		return property;
	}
	public void setProperty(Property property) {
		this.property = property;
	}
}

package com.how2java.tmall.service;

import com.how2java.tmall.pojo.Product;

public interface PropertyValueService extends BaseService {

	public void init(Product product);
	
}

package com.how2java.tmall.service.impl;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.how2java.tmall.pojo.Product;
import com.how2java.tmall.pojo.Property;
import com.how2java.tmall.pojo.PropertyValue;
import com.how2java.tmall.service.PropertyService;
import com.how2java.tmall.service.PropertyValueService;

@Service
public class PropertyValueServiceImpl extends BaseServiceImpl implements PropertyValueService {

	@Autowired
	PropertyService propertyService; 
	
	@Override
	public void init(Product product) {
		List<Property> propertys= propertyService.listByParent(product.getCategory());
		for (Property property: propertys) {
			PropertyValue propertyValue = get(property,product);
			if(null==propertyValue){
				propertyValue = new PropertyValue();
				propertyValue.setProduct(product);
				propertyValue.setProperty(property);
				save(propertyValue);
			}
		}
	}

	private PropertyValue get(Property property, Product product) {
		List<PropertyValue> result= this.list("property",property, "product",product);
		if(result.isEmpty())
			return null;
		return result.get(0);
		
	}
	
}

package com.how2java.tmall.action;

import java.util.List;

import com.how2java.tmall.pojo.Category;
import com.how2java.tmall.pojo.Product;
import com.how2java.tmall.pojo.ProductImage;
import com.how2java.tmall.pojo.Property;
import com.how2java.tmall.pojo.PropertyValue;

public class Action4Pojo extends Action4Pagination {

	protected Category category;
	protected Property property;
	protected Product product;
	protected ProductImage productImage;
	protected PropertyValue propertyValue;
	
	protected List<Category> categorys;
	protected List<Property> propertys;
	protected List<Product> products;
	protected List<ProductImage> productSingleImages;
	protected List<ProductImage> productDetailImages;
	protected List<PropertyValue> propertyValues;

	public Category getCategory() {
		return category;
	}

	public void setCategory(Category category) {
		this.category = category;
	}

	public List<Category> getCategorys() {
		return categorys;
	}

	public void setCategorys(List<Category> categorys) {
		this.categorys = categorys;
	}

	public Property getProperty() {
		return property;
	}

	public void setProperty(Property property) {
		this.property = property;
	}

	public List<Property> getPropertys() {
		return propertys;
	}

	public void setPropertys(List<Property> propertys) {
		this.propertys = propertys;
	}

	public Product getProduct() {
		return product;
	}

	public void setProduct(Product product) {
		this.product = product;
	}

	public List<Product> getProducts() {
		return products;
	}

	public void setProducts(List<Product> products) {
		this.products = products;
	}

	public ProductImage getProductImage() {
		return productImage;
	}

	public void setProductImage(ProductImage productImage) {
		this.productImage = productImage;
	}

	public List<ProductImage> getProductSingleImages() {
		return productSingleImages;
	}

	public void setProductSingleImages(List<ProductImage> productSingleImages) {
		this.productSingleImages = productSingleImages;
	}

	public List<ProductImage> getProductDetailImages() {
		return productDetailImages;
	}

	public void setProductDetailImages(List<ProductImage> productDetailImages) {
		this.productDetailImages = productDetailImages;
	}

	public PropertyValue getPropertyValue() {
		return propertyValue;
	}

	public void setPropertyValue(PropertyValue propertyValue) {
		this.propertyValue = propertyValue;
	}

	public List<PropertyValue> getPropertyValues() {
		return propertyValues;
	}

	public void setPropertyValues(List<PropertyValue> propertyValues) {
		this.propertyValues = propertyValues;
	}

}

package com.how2java.tmall.action;

import java.lang.reflect.Method;

import org.apache.commons.lang3.text.WordUtils;
import org.springframework.beans.factory.annotation.Autowired;

import com.how2java.tmall.service.CategoryService;
import com.how2java.tmall.service.ProductImageService;
import com.how2java.tmall.service.ProductService;
import com.how2java.tmall.service.PropertyService;
import com.how2java.tmall.service.PropertyValueService;

public class Action4Service extends Action4Pojo{

	@Autowired
	CategoryService categoryService;
	@Autowired
	PropertyService propertyService;
	@Autowired
	ProductService productService;	
	@Autowired
	ProductImageService productImageService;	
	@Autowired
	PropertyValueService propertyValueService;	
	/**
	 * transient to persistent
	 * 瞬时对象转换为持久对象
	 * @param o
	 */
	public void t2p(Object o){
			try {
				Class clazz = o.getClass();
				int id = (Integer) clazz.getMethod("getId").invoke(o);
				Object persistentBean = categoryService.get(clazz, id);

				String beanName = clazz.getSimpleName();
				Method setMethod = getClass().getMethod("set" + WordUtils.capitalize(beanName), clazz);
				setMethod.invoke(this, persistentBean);
			} catch (Exception e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
	}
}

package com.how2java.tmall.action;

import org.apache.struts2.convention.annotation.Action;

public class PropertyValueAction extends Action4Result {

	@Action("admin_propertyValue_edit")
	public String edit() {
		//初始化
		t2p(product);
		propertyValueService.init(product);
		propertyValues = propertyValueService.listByParent(product); 
		return "editPropertyValue";
	}
	@Action("admin_propertyValue_update")
	public String update() {
		String value = propertyValue.getValue();
		t2p(propertyValue);
		propertyValue.setValue(value);
		propertyValueService.update(propertyValue);
		return "success.jsp";
	}
}

<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8" import="java.util.*"%>

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@include file="../include/admin/adminHeader.jsp"%>
<%@include file="../include/admin/adminNavigator.jsp"%>

<title>编辑产品属性值</title>

<script>
$(function() {
	$("input.pvValue").keyup(function(){
		var value = $(this).val();
		var page = "admin_propertyValue_update";
		var pvid = $(this).attr("pvid");
		var parentSpan = $(this).parent("span");
		parentSpan.css("border","1px solid yellow");
		$.post(
			    page,
			    {"propertyValue.value":value,"propertyValue.id":pvid},
			    function(result){
			    	if("success"==result)
						parentSpan.css("border","1px solid green");
			    	else
			    		parentSpan.css("border","1px solid red");
			    }
			);		
	});
});
</script>

<div class="workingArea">
	<ol class="breadcrumb">
	  <li><a href="admin_category_list">所有分类</a></li>
	  <li><a href="admin_product_list?category.id=${product.category.id}">${product.category.name}</a></li>
	  <li class="active">${product.name}</li>
	  <li class="active">编辑产品属性</li>
	</ol>
	
	<div class="editPVDiv">
		<c:forEach items="${propertyValues}" var="propertyValue">
			<div class="eachPV">
				<span class="pvName" >${propertyValue.property.name}</span>
				<span class="pvValue"><input class="pvValue" pvid="${propertyValue.id}" type="text" value="${propertyValue.value}"></span>
			</div>
		</c:forEach>
	<div style="clear:both"></div>	
	</div>
	
</div>

success

	public String edit() {
		//初始化
		t2p(product);
		propertyValueService.init(product);
		propertyValues = propertyValueService.listByParent(product); 
		return "editPropertyValue";
	}

		<c:forEach items="${propertyValues}" var="propertyValue">
			<div class="eachPV">
				<span class="pvName" >${propertyValue.property.name}</span>
				<span class="pvValue"><input class="pvValue" pvid="${propertyValue.id}" type="text" value="${propertyValue.value}"></span>
			</div>
		</c:forEach>

	$("input.pvValue").keyup(function(){
		var value = $(this).val();
		var page = "admin_propertyValue_update";
		var pvid = $(this).attr("pvid");
		var parentSpan = $(this).parent("span");
		parentSpan.css("border","1px solid yellow");
		$.post(
			    page,
			    {"propertyValue.value":value,"propertyValue.id":pvid},
			    function(result){
			    	if("success"==result)
						parentSpan.css("border","1px solid green");
			    	else
			    		parentSpan.css("border","1px solid red");
			    }
			);		
	});	

	public String update() {
		String value = propertyValue.getValue();
		t2p(propertyValue);
		propertyValue.setValue(value);
		propertyValueService.update(propertyValue);
		return "success.jsp";
	}