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java – 方法getBuild()未定义类型MvcUriComponentsBuilder.Meth

发布时间:2020-12-15 02:12:01 所属栏目:Java 来源:网络整理
导读:从视图构建控制器和方法的URI的问题. 使用弹簧4.1;我的控制器 @Controller@RequestMapping("/produtos")public class ProductsController { @Autowired private ProductDAO productDAO; @Transactional @RequestMapping(method=RequestMethod.POST) public M
从视图构建控制器和方法的URI的问题.
使用弹簧4.1;我的控制器

@Controller
@RequestMapping("/produtos")
public class ProductsController {
    @Autowired
    private ProductDAO productDAO;

    @Transactional   
    @RequestMapping(method=RequestMethod.POST)
    public ModelAndView save(Product product){

        productDAO.save(product);
        return new ModelAndView("redirect:produtos");
    }

还有我的JSP

<form:form action="${spring:mvcUrl('PC#save').build()}" method="post" >

我在JSP上遇到错误:

方法getBuild()未定义类型MvcUriComponentsBuilder.MethodArgumentBuilder

如果我使用语法http://docs.spring.io/spring/docs/current/spring-framework-reference/html/mvc.html#mvc-ann-requestmapping-uri-templates:

<form:form action="${spring:mvcUrl(''PC#save'').build()}" method="post" >

似乎在JSP上没有错误,但在web中:

org.apache.jasper.JasperException: /WEB-INF/views/products/form.jsp (line: 20,column: 1) "${spring:mvcUrl(''PC#save'').build()}" contains invalid expression(s): javax.el.ELException: Failed to parse the expression [${spring:mvcUrl(''PC#save'').build()}]
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:41)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:275)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:91)
org.apache.jasper.compiler.Validator$ValidateVisitor.getJspAttribute(Validator.java:1422)
org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes(Validator.java:1231)
org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:879)
org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1536)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376)
org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2428)
org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2434)
org.apache.jasper.compiler.Node$Root.accept(Node.java:464)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2376)
org.apache.jasper.compiler.Validator.validateExDirectives(Validator.java:1853)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:217)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:356)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:336)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:323)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:585)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:363)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:172)
org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1228)
org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1011)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:955)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852)
javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

我也尝试删除eclipse上的JSP错误

解决方法

添加一个taglib <%@ taglib uri =“http://www.springframework.org/tags”prefix =“spring”%>

(编辑:李大同)

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