spring in action 使用Spring Web Fl
2018-12-03 本文已影响23人
Theodore的技术站
定披萨流程
image.png
<?xml version="1.0" encoding="UTF-8">
<flow xmlns="http://www.springfreamwork.org/schema/webflow"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springwork.org/schema/webflow
http://www.springwork.org/schema/webflow/spring-webflow-2.3.xsd">
<var name="order"
class="com.springination.pizza.domain.Order"/>
<subflow-state id="identifyCustomer" subflow="pizza/customer">
<output name="customer" value="order.customer"/>
<transition on="customerReady" to="buildOrder"/>
</subflow-state>
<subflow-state id="buildOrder" subflow="pizza/order">
<input name="order" value="order"/>
<transition on="orderCreated" to="takePayment"/>
</subflow-state>
<subflow-state id="takePayment" subflow="pizza/payment">
<input name="order" value="order"/>
<transition on="paymentTaken" to="saveOrder"/>
</subflow-state>
<action-state id="saveOrder">
<evaluate expression="pizzaFlowActions.saveOrder(order)"/>
<transition to="thankCustomer"/>
</action-state>
<view-state id="thankCustomer">
<transition to="endState"/>
</view-state>
<endState id="endState"/>
<global-transitions>
<transition on="cancel" to="endState"/>
</global-transitions>
</flow>
Order 带有披萨订单的所有细节信息
package com.springination.pizza.domain;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
public class Order implements Serializable{
private static final long serialVersionUID = 1L;
private Customer customer;
private List<Pizza> pizzas;
private Payment payment;
public Order(){
pizzas = new ArrayList<Pizza>();
customer = new Customer();
}
public Customer getCustomer(){
return customer;
}
public void setCustomer(Customer customer){
this.customer = customer;
}
public List<Pizza> getPizzas(){
return pizzas;
}
public void setPizzas(List<pizza> pizzas){
this.pizzas = pizzas;
}
public void addPizza(Pizza pizza){
pizzas.add(pizza);
}
public float getTotal(){
return 0.0f;
}
public Payment getPayment(){
return payment;
}
public void setPayment(Payment payment){
this.payment = payment;
}
}
identifyCustomer状态
<?xml version="1.0" encoding="UTF-8">
<flow xmlns="http://www.springfreamwork.org/schema/webflow"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springwork.org/schema/webflow
http://www.springwork.org/schema/webflow/spring-webflow-2.3.xsd"
start-state="identifyCustomer">
...
</flow>
感谢客户流程
<html xmlns:jsp="http://java.sun.com/JSP/Page">
<jsp:output omit-xml-declaration="yes"/>
<jsp:directive.page contentType="text/html;charset=UTF-8"/>
<head><title>Spizza</title>></head>
<body>
<h2>Thank you for your order!</h2>
<![CDATA[
<a href="${flowExecutionUrl}&_eventId=finished">Finish</a>
]]>
</body>
</html>
识别客户
image.png
<?xml version="1.0" encoding="UTF-8"?>
<flow xmlns="http://www.springfreamwork.org/schema/webflow"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springwork.org/schema/webflow
http://www.springwork.org/schema/webflow/spring-webflow-2.3.xsd">
<var name="customer"
class="com.springination.pizza.domain.Customer"/>
<view-state id="welcome">
<transition on="phoneEntered" to="lookupCustomer"/>
</view-state>
<action-state id="lookupCustomer">
<evaluate result="customer" expression="pizzaFlowActions.lookupCustomer(requestParameters.phoneNumber)"/>
<transition to="registrationForm" on-experssion="com.springination.pizza.service.CustomerNotFoundException"/>
<transition to="customerReady"/>
</action-state>
<view-state id="registrationForm" model="customer">
<on-entry>
<evaluate expression="customer.phoneNumber=requestParameters.phoneNumber"/>
</on-entry>
<transition on="submit" to="checkDeliveryArea"/>
</view-state>
<decision-state id="checkDeliveryArea">
<if test="pizzaFlowActions.checkDeliveryArea(customer.zipCode)"
then="addCustomer"
else="deliveryWarning"/>
</decision-state>
<view-state id="deliveryWarning">
<transition on="accept" to="addCustomer"/>
</view-state>
<action-state id="addCustomer">
<evaluate expression="pizzaFlowActions.addCustomer(customer)"/>
<transition to="customerReady"/>
</action-state>
<end-state id="cancel"/>
<end-state id="customerReady">
<output name="customer"/>
</end-state>
<global-transitions>
<transition on="cancel" to="cancel"/>
</global-transitions>
</flow>
<html xmlns:jsp="http://java.sun.com/JSP/Page">
<jsp:output omit-xml-declaration="yes"/>
<jsp:directive.page contentType="text/html;charset=UTF-8"/>
<head><title>Spizza</title>></head>
<body>
<h2>Thank you for your order!</h2>
<![CDATA[
<a href="${flowExecutionUrl}&_eventId=finished">Finish</a>
]]>
</body>
</html>
欢迎并询问电话号码
<!DOCTYPE html>
<html xmlns:jsp="http://java.sun.com/JSP/Page"
xmlns:form="http://www.springframework.org/tags/form">
<jsp:output omit-xml-declaration="yes"/>
<jsp:diretive.page contentType="text/html;charset=UTF-8"/>
<head>
<title>Spizza</title>
</head>
<body>
<h2>Welcome to Spizza!!!</h2>
<form:form>
<input type="hidden" name="_flowExcutionKey"
value="${flowExcutionKey}"/>
<inpit type="text" name="phoneNumber"/><br/>
<input type="submit" name="_eventId_phoneEntered"
value="Lookup Customer"/>
</form:form>
</body>
</html>
注册新客户
<html xmlns:jsp="http://java.sun.com/JSP/Page"
xmlns:form="http://www.springframework.org/tags/form">
<jsp:output omit-xml-declaration="yes"/>
<jsp:diretive.page contentType="text/html;charset=UTF-8"/>
<head>
<title>Spizza</title>
</head>
<body>
<h2>Customer Registration</h2>
<form:form commandName="customer">
<input type="hidden" name="_flowExcutionKey"
value="${flowExcutionKey}"/>
<b>Phone Number: </b><form:input path="phoneNumber"/><br/>
<b>Name: </b><form:input path="name"/><br/>
<b>Address: </b><form:input path="address"/><br/>
<b>City: </b><form:input path="city"/><br/>
<b>State: </b><form:input path="state"/><br/>
<b>Zip Code: </b><form:input path="zipCode"/><br/>
<inpit type="submit" name="_eventId_submit
value="Submit"/>
<input type="submit" name="_eventId_cancel"
value="Cancel"/>
</form:form>
</body>
</html>
判断配送地址 告知客户能不能送披萨
<html xmlns:jsp="http://java.sun.com/JSP/Page">
<jsp:output omit-xml-declaration="yes"/>
<jsp:directive.page contentType="text/html;charset="UTF-8"/>
<head><tittle>Spizza</tittle></head>
<body>
<h2>Delivery Unavailable</h2>
<p>The address is outside of our delivery area. You may still place the order.
but you will need to pick it up yourself.</p>
<![DATA[
<a href="${flowExecutionUrl}&_eventId=accept">
Continue,I'll pick up the order</a> |
<a href="${flowExecutionUrl}&_eventId=cancel">Never mind</a>
]]>
<body>
<html>
image.png
订单和添加披萨
<?xml version="1.0" encoding="UTF-8">
<flow xmlns="http://www.springframework.org/schema/webflow"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/webflow
http://www.springframework.org/schema/webflow/spring-webflow-2.3.xsd">
<input name="order" required="true"/>
<view-state id="showOrder">
<transition on="createPizza" to="createPizza"/>
<transition on="checkout" to="orderCreated"/>
<transition on="cancel" to="cancel"/>
</view-state>
<view-state id="createPizza" model="flowScope.pizza">
<on-entry>
<set name="flowScope.pizza"
value="new com.springframework.pizza.domain.Pizza()"/>
<evaluate result="viewScope.toppingList" expression=
"T(com.springinaction.pizza.domain.Topping).asList()"/>
</on-entry>
<transition on="addPizza" to="showOrder">
<evaluate expression="order.addPizza(flowScope.pizza)"/>
</transition>
</view-state>
<end-state id="cancel" /
<end-state id="orderCreated"/>
</flow>
实现添加披萨到订单中
<div xmlns:form+"www.springframework.org/tags/form"
xmlns:jsp="http://java.sun.com/JSP/Page">
<jsp:output omit-xml-declaration="yes"/>
<jsp:directive.page contentType="text/html;charset=UTF-8"/>
<h2>Create Pizza</h2>
<form:form commandName="pizza">
<input type="hidden" name="_flowExcutionKey"
value="${flowExecutionKey}"/>
<b>Size:</b><br/>
<form:radiobutton path="size"
label="Small(12-inch)" value="SMALL"/><br/>
<form:radiobutton path="size"
label="Medium(14-inch)" value="MEDIUM"/><br/>
<form:radiobutton path="size"
label="Large(16-inch)" value="LARGE"/><br/>
<form:radiobutton path="size"
label="Ginormous(20-inch)" value="GINORMOUS"/><br/>
<br/>
<b>Toppings:</b><br/>
<form:checkboxes path="toppings" item="${toppingList}"
delimiter=""/><br/><br/>
<input type="submit"class="botton"
name="_eventId_cancel" value="Cancel"/>
</form:form>
</div>
支付流程
image.png
<?xml version="1.0" encoding="UTF-8" ?>
<flow xmlns="http://www.springframework.org/schema/webflow"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/webflow
http://www.springframework.org/schema/webflow/spring-webflow-2.3.xsd">
<input name="order" required="true"/>
<view-state id="takePayment" model="flowScope.paymentDetails()">
<on-entry>
<set name="flowScope.paymentDetails"
value="new com.springinaction.pizza.domain.PaymentDetails()"/>
<evaluate result="viewScope.paymentTypeList" expression="T(com.springinaction.pizza.domain.PaymentType).asList()"/>
</on-entry>
<transition on="paymentSubmitted" to="verifyPayment"/>
<transition on="cancel" to="cancel"/>
</view-state>
<action-state id="verifyPayment">
<evaluate result="order.payment" expression="pizzaFlowAction.verifyPayment(flowScope.paymentDetails)"/>
<transition to="paymentTaken"/>
</action-state>
<end-state id="cancel"/>
<end-state id="paymentTaken"/>
</flow>
支付的枚举类型
import static org.apache.commons.lang.WordUtils.*;
import java.util.List;
import java.util.Arrays;
public enum PaymentType {
CASH,CHECK,CREDIT_CARD;
public static List<PaymentType> asList(){
PaymentType[] all = PaymentType.values();
return Arrays.asList(all);
}
@Override
public String toString(){
return capitalizeFully(name().replace('_',' '));
}
}
