Java Spring:请求方法';邮政';不支持
浏览了论坛,但没有找到解决我问题的方法。共有2个页面:index.jsp-起始页面,其中包括要填充的表单和结果列表;edit.jsp-允许编辑index.jsp提供的结果列表中任何行的数据。 当我填写表单时,所有数据子提交成功,当我尝试编辑结果列表中的任何行时,我重定向到edit.jsp,但如果我提交更改,将引发异常:HTTP状态405-请求方法“POST”不受支持。如果您能告诉我如何处理这个问题,我将不胜感激 index.jspJava Spring:请求方法';邮政';不支持,java,spring-mvc,http-post,Java,Spring Mvc,Http Post,浏览了论坛,但没有找到解决我问题的方法。共有2个页面:index.jsp-起始页面,其中包括要填充的表单和结果列表;edit.jsp-允许编辑index.jsp提供的结果列表中任何行的数据。 当我填写表单时,所有数据子提交成功,当我尝试编辑结果列表中的任何行时,我重定向到edit.jsp,但如果我提交更改,将引发异常:HTTP状态405-请求方法“POST”不受支持。如果您能告诉我如何处理这个问题,我将不胜感激 index.jsp <%@ page contentType="text/ht
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@taglib prefix="s" uri="http://www.springframework.org/tags" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<html>
<head>
<title></title>
</head>
<body>
<form:form method="post" action="add" modelAttribute="account">
<table>
<tr>
<td><form:label path="number">Number</form:label></td>
<td><form:input path="number"/></td>
</tr>
<tr>
<td><form:label path="amount">Amount</form:label></td>
<td><form:input path="amount"/></td>
</tr>
<tr>
<td><form:label path="currency">Currency</form:label></td>
<td><form:input path="currency"/></td>
</tr>
<tr>
<td><form:label path="date">Date</form:label></td>
<td><form:input path="date" type="date"/>
</tr>
</table>
<input type="submit" value="Submit"/>
</form:form>
<table>
<tr border="1">
<td>Number</td>
<td>Amount</td>
<td>Currency</td>
<td>Date</td>
</tr>
<c:forEach items="${listOfAccounts}" var="items">
<tr border="1">
<td>${items.number}</td>
<td>${items.amount}</td>
<td>${items.currency}</td>
<td>${items.date}</td>
<td><a href="<c:url value='edit/${items.id}'/>">edit</a></td>
</tr>
</c:forEach>
</body>
</html>
您的问题是,您正在表单中使用相对映射,当您单击edit时,您的URL变成
/edit/{someid}
,并且您的edit.jsp表单被加载。当您编辑数据并单击submit时,您的URL将变成/edit/{someid}/edited
,映射将匹配使用GET方法的/edit/{someid}
处理程序方法,这就是为什么会出现错误的原因
要解决此问题,请在edit.jsp中简单地向操作添加反斜杠,action=“/edited”
希望能有所帮助非常感谢!它起作用了!我浪费了一天时间试图找出它的毛病。
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Edit Account</title>
</head>
<body>
<form:form modelAttribute="account" method="post" action="edited">
<form:hidden path="id" value="${account.id}"></form:hidden>
<form:label path="number">Number</form:label>
<form:input path="number" value="${account.number}"/><br>
<form:label path="amount">Amount</form:label>
<form:input path="amount" value="${account.amount}"/><br>
<form:label path="currency">Currency</form:label>
<form:input path="currency" value="${account.currency}"/><br>
<form:label path="date">Date</form:label>
<form:input path="date" type="date" value="${account.date}"/>
<input type="submit" value="Submit"/>
</form:form>
</body>
</html>
@Controller
public class AccountController {
@Autowired
private AccountService accountService;
private Account account;
@RequestMapping(value="/", method = RequestMethod.GET)
public String welcomeMethod(ModelMap map) {
Account account = new Account();
map.addAttribute("account", account);
map.addAttribute("listOfAccounts", accountService.getListOfAccounts());
return "index";
}
@RequestMapping(value="add", method = RequestMethod.POST)
public String addAccount(@ModelAttribute(value="account") Account account, ModelMap map) {
accountService.addAccount(account);
map.addAttribute("listOfAccounts", accountService.getListOfAccounts());
return "index";
}
@RequestMapping(value="edit/{id}", method = RequestMethod.GET)
public String editAccount(@PathVariable("id") int id, ModelMap model) {
Account account = accountService.getAccountById(id);
model.addAttribute("account", account);
return "edit";
}
@RequestMapping(value="edited", method = RequestMethod.POST)
public String updateAccount(@ModelAttribute(value="account") Account account, ModelMap map) {
accountService.updateAccount(account);
map.addAttribute("listOfAccounts", accountService.getListOfAccounts());
return "index";
}
}