Spring - Thymeleaf：异常处理模板
Out*_*ror 7 html java spring thymeleaf
我正在关注 Spring in Action 5th ed. 一书，但我相信这是一个错误。
这是本书的 GitHub。我到达了第 3 章 tacos-jdbc 代码源
当提交我的订单时，突然出现错误：
并以这种方式在终端上：
2019-05-25 16:58:18.164 ERROR 11777 --- [nio-8080-exec-7] org.thymeleaf.TemplateEngine : [THYMELEAF][http-nio-8080-exec-7] 异常处理模板“orderForm” : 模板解析时出错（模板：“类路径资源[templates/orderForm.html]”）
org.thymeleaf.exceptions.TemplateInputException: 模板解析时发生错误（模板：“类路径资源 [templates/orderForm.html]”）
订单控制器：
@Controller
@RequestMapping("/orders")
@SessionAttributes("order")
public class OrderController {
private OrderRepository orderRepo;
public OrderController(OrderRepository orderRepo) {
this.orderRepo = orderRepo;
}
@GetMapping("/current")
public String orderForm() {
return "orderForm";
}
@PostMapping
public String processOrder(@Valid Order order, Errors errors,
SessionStatus sessionStatus) {
if (errors.hasErrors()) {
return "orderForm";
}
orderRepo.save(order);
sessionStatus.setComplete();
return "redirect:/";
}
}
和订单：
@Controller
@RequestMapping("/orders")
@SessionAttributes("order")
public class OrderController {
private OrderRepository orderRepo;
public OrderController(OrderRepository orderRepo) {
this.orderRepo = orderRepo;
}
@GetMapping("/current")
public String orderForm() {
return "orderForm";
}
@PostMapping
public String processOrder(@Valid Order order, Errors errors,
SessionStatus sessionStatus) {
if (errors.hasErrors()) {
return "orderForm";
}
orderRepo.save(order);
sessionStatus.setComplete();
return "redirect:/";
}
}
我修复了此代码添加delivery前缀：
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:th="http://www.thymeleaf.org">
<head>
<title>Taco Cloud</title>
<link rel="stylesheet" th:href="@{/styles.css}" />
</head>
<body>
<form method="POST" th:action="@{/orders}" th:object="${order}">
<h1>Order your taco creations!</h1>
<img th:src="@{/images/TacoCloud.png}"/>
<h3>Your tacos in this order:</h3>
<a th:href="@{/design}" id="another">Design another taco</a><br/>
<ul>
<li th:each="taco : ${order.tacos}"><span th:text="${taco.name}">taco name</span></li>
</ul>
<div th:if="${#fields.hasErrors()}">
<span class="validationError">
Please correct the problems below and resubmit.
</span>
</div>
<h3>Deliver my taco masterpieces to...</h3>
<label for="deliveryName">Name: </label>
<input type="text" th:field="*{deliveryName}"/>
<span class="validationError"
th:if="${#fields.hasErrors('deliveryName')}"
th:errors="*{deliveryName}">Name Error</span>
<br/>
<label for="deliveryStreet">Street address: </label>
<input type="text" th:field="*{deliveryStreet}"/>
<span class="validationError"
th:if="${#fields.hasErrors('deliveryStreet')}"
th:errors="*{deliveryStreet}">Street Error</span>
<br/>
<label for="deliveryCity">City: </label>
<input type="text" th:field="*{deliveryCity}"/>
<span class="validationError"
th:if="${#fields.hasErrors('deliveryCity')}"
th:errors="*{deliveryCity}">City Error</span>
<br/>
<label for="deliveryState">State: </label>
<input type="text" th:field="*{deliveryState}"/>
<span class="validationError"
th:if="${#fields.hasErrors('deliveryState')}"
th:errors="*{deliveryState}">State Error</span>
<br/>
<label for="deliveryZip">Zip code: </label>
<input type="text" th:field="*{deliveryZip}"/>
<span class="validationError"
th:if="${#fields.hasErrors('deliveryZip')}"
th:errors="*{deliveryZip}">Zip Error</span>
<br/>
<h3>Here's how I'll pay...</h3>
<label for="ccNumber">Credit Card #: </label>
<input type="text" th:field="*{ccNumber}"/>
<span class="validationError"
th:if="${#fields.hasErrors('ccNumber')}"
th:errors="*{ccNumber}">CC Num Error</span>
<br/>
<label for="ccExpiration">Expiration: </label>
<input type="text" th:field="*{ccExpiration}"/>
<span class="validationError"
th:if="${#fields.hasErrors('ccExpiration')}"
th:errors="*{ccExpiration}">CC Num Error</span>
<br/>
<label for="ccCVV">CVV: </label>
<input type="text" th:field="*{ccCVV}"/>
<span class="validationError"
th:if="${#fields.hasErrors('ccCVV')}"
th:errors="*{ccCVV}">CC Num Error</span>
<br/>
<input type="submit" value="Submit order"/>
</form>
</body>
</html>
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