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Jsp 根据TLD或标记文件,属性名称对于标记文本是必需的_Jsp_Struts2 - Fatal编程技术网

Jsp 根据TLD或标记文件,属性名称对于标记文本是必需的

Jsp 根据TLD或标记文件,属性名称对于标记文本是必需的,jsp,struts2,Jsp,Struts2,我不熟悉Struts2。我遇到了一个问题: 嗨,我的JSP文件是 <%@ taglib uri="/struts-tags" prefix="html"%> <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "h

我不熟悉Struts2。我遇到了一个问题:

嗨,我的JSP文件是

<%@ taglib uri="/struts-tags" prefix="html"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Login</title>
</head>
<body>
<h2 style="color:red;"><% if(request.getParameter("msg")!=null) {
    out.println(request.getParameter("msg"));
}%></h2>
    <h1 class="welcome">Login To Your Account</h1>
    <div style="align-items: center;margin-left:200px;font-size:20px;white-space:pre;">
    <html:form action="/loginsuccess">
    UserName <html:text style="height:30px;width:300px;padding:10px;" property="username" /><br><br>
    PassWord  <html:password style="height:30px;width:300px;padding:10px;" property="password"/><br><br>
    <input type ="submit" value="Log in" /><br><br>
    New User ? <a href="signup.jsp">Signup</a>
    </html:form>
    </div>
</body>
</html>

我应该在文本标记中添加更多内容吗

taglib定义用于Struts2,而JSP代码用于Struts1。您不能将TLD从一个框架替换到另一个框架,因此代码无法工作

在Struts2中,我们通常将前缀命名为
s:
,以区分不同的框架,但是如果您喜欢,可以使用旧的preifix,但是应该重写代码以使用新的标记库

<%@ taglib uri="/struts-tags" prefix="html"%>


如果您需要帮助将Struts1应用程序迁移到Struts2,您应该阅读。

对于名称标记,只有属性属性是必需的,但您仍然可以为其提供try@user7294900这行不通,用于呈现i18n消息。@ShivamAggarwal name属性是必需的。您不理解错误的哪一部分?@RomanC我指的是taglib定义的给定链接。请提供指向该链接的链接以供参考。
org.apache.jasper.JasperException: /login.jsp (line: 44, column: 10) According to the TLD or the tag file, attribute name is mandatory for tag text
    org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:42)
    org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:443)
    org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:237)
    org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:859)
    org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1538)
    org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2375)
    org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2427)
    org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:895)
    org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1538)
    org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2375)
    org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2427)
    org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2433)
    org.apache.jasper.compiler.Node$Root.accept(Node.java:474)
    org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2375)
    org.apache.jasper.compiler.Validator.validateExDirectives(Validator.java:1817)
    org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:217)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:373)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:353)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:340)
    org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:657)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:357)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
    org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:96)
<%@ taglib uri="/struts-tags" prefix="html"%>