Java 405-请求GET和POST
您好,我有更新对象的问题,我不知道更新数据后我有消息:请求方法“GET”不受支持。但刷新对象之后的日期是update 使用GET和POST方法更新对象的控制器Java 405-请求GET和POST,java,spring,rest,spring-boot,spring-mvc,Java,Spring,Rest,Spring Boot,Spring Mvc,您好,我有更新对象的问题,我不知道更新数据后我有消息:请求方法“GET”不受支持。但刷新对象之后的日期是update 使用GET和POST方法更新对象的控制器 @Controller @RequestMapping("/packet") public class PacketController { @GetMapping("/modify/{id}") public String modifyPacketGet(Model model, @PathVariable Lon
@Controller
@RequestMapping("/packet")
public class PacketController {
@GetMapping("/modify/{id}")
public String modifyPacketGet(Model model, @PathVariable Long id)
{
model.addAttribute("channels", channelService.getAllChannels());
model.addAttribute("packet", packetService.getById(id));
return "packet/modify";
}
@PostMapping("/modify")
public String modifyPacketPost(Model model, @ModelAttribute PacketDto packetDto)
{
packetService.updatePacket(packetDto);
return "redirect:/packet/modify";
}
HTML表单
<form th:action="@{/packet/modify}" method="post" th:object="${packet}" enctype="multipart/form-data">
<input type="text" hidden="hidden" readonly="readonly" th:field="*{id}" />
<input type="text" hidden="hidden" readonly="readonly" th:field="*{filename}" />
<div class="form-group">
<label for="name" class="h3 text-success">Name:</label>
<input id="name" type="text" th:field="*{name}" class="form-control">
</div>
<div class="form-group">
<label for="price" class="h3 text-success">Price:</label>
<input id="price" type="text" th:field="*{price}" class="form-control">
</div>
<div class="form-group">
<label for="description" class="h3 text-success">Description:</label>
<textarea class="form-control" rows="5" th:field="*{description}" id="description"></textarea>
</div>
<div class="form-group">
<label for="image" class="h3 text-success">Image:</label>
<input id="image" type="file" th:field="*{multipartFile}" accept="image/**" class="form-control">
</div>
<div class="form-group">
<label for="channel" class="h2 text-secondary">Channels:</label>
<ul class="list-inline">
<li class="list-inline-item" th:each="c : ${channels}">
<input id="channel" type="checkbox" th:field="*{channelIds}" th:value="${c.id}">
<label th:text="${c.name}"></label>
</li>
</ul>
</div>
<button type="submit" class="btn btn-success btn-lg mr-2">Add</button>
</form>
姓名:
价格:
说明:
图片:
频道:
-
添加
控制器中未处理http请求GET/packet/modify
,您正在将POST
方法重定向到该http请求:
return "redirect:/packet/modify";
要解决此问题,您需要执行以下操作之一:
POST
中的重定向请求更改为正在处理的端点:
return "redirect:/packet/modify/" + packetDto.getPacketId();
GET
端点:
@GetMapping("/modify/")
public String retrievePacket(...) { ... }