SSH 常见权限设计四：如何得到<s:a action="url">kkk</s:a>里面的url

一、如图：

二、修改原码：
修改doEndTag函数里的内容

/* * $Id: AnchorTag.java 768855 2009-04-27 02:09:35Z wesw $ * * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements.  See the NOTICE file * distributed with this work for additional information * regarding copyright ownership.  The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License.  You may obtain a copy of the License at * *  http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied.  See the License for the * specific language governing permissions and limitations * under the License. */package org.apache.struts2.views.jsp.ui;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import javax.servlet.jsp.JspException;import org.apache.struts2.components.Anchor;import org.apache.struts2.components.Component;import cn.oppo.oa.domain.User;import com.opensymphony.xwork2.util.ValueStack;/** * @see Anchor */public class AnchorTag extends AbstractClosingTag {    private static final long serialVersionUID = -1034616578492431113L;    protected String href;    protected String includeParams;    protected String scheme;    protected String action;    protected String namespace;    protected String method;    protected String encode;    protected String includeContext;    protected String escapeAmp;    protected String portletMode;    protected String windowState;    protected String portletUrlType;    protected String anchor;    protected String forceAddSchemeHostAndPort;    @Override    public int doEndTag() throws JspException {        // 当前用户        User user = (User) pageContext.getSession().getAttribute("user");        // 当前的URL，如果有参数就要去掉后面的参数字符串        String privilegeUrl = action;        int pos = privilegeUrl.indexOf("?");        if (pos > -1) {            privilegeUrl = privilegeUrl.substring(0, pos);        }        if (user.hasPrivilegeByUrl(privilegeUrl)) {            return super.doEndTag(); // 如果有权限，就正常的生成与输出<a>标签        } else {            return EVAL_PAGE; // 如果没有权限，就不显示当前<a>标签，只是继续执行页面中后面的代码        }    }    public Component getBean(ValueStack stack, HttpServletRequest req, HttpServletResponse res) {        return new Anchor(stack, req, res);    }    protected void populateParams() {        super.populateParams();        Anchor tag = (Anchor) component;        tag.setHref(href);        tag.setIncludeParams(includeParams);        tag.setScheme(scheme);        tag.setValue(value);        tag.setMethod(method);        tag.setNamespace(namespace);        tag.setAction(action);        tag.setPortletMode(portletMode);        tag.setPortletUrlType(portletUrlType);        tag.setWindowState(windowState);        tag.setAnchor(anchor);        if (encode != null) {            tag.setEncode(Boolean.valueOf(encode).booleanValue());        }        if (includeContext != null) {            tag.setIncludeContext(Boolean.valueOf(includeContext).booleanValue());        }        if (escapeAmp != null) {            tag.setEscapeAmp(Boolean.valueOf(escapeAmp).booleanValue());        }        if (forceAddSchemeHostAndPort != null) {            tag.setForceAddSchemeHostAndPort(Boolean.valueOf(forceAddSchemeHostAndPort).booleanValue());        }    }    public void setHref(String href) {        this.href = href;    }    public void setEncode(String encode) {        this.encode = encode;    }    public void setIncludeContext(String includeContext) {        this.includeContext = includeContext;    }    public void setEscapeAmp(String escapeAmp) {        this.escapeAmp = escapeAmp;    }    public void setIncludeParams(String name) {        includeParams = name;    }    public void setAction(String action) {        this.action = action;    }    public void setNamespace(String namespace) {        this.namespace = namespace;    }    public void setMethod(String method) {        this.method = method;    }    public void setScheme(String scheme) {        this.scheme = scheme;    }    public void setValue(String value) {        this.value = value;    }    public void setPortletMode(String portletMode) {        this.portletMode = portletMode;    }    public void setPortletUrlType(String portletUrlType) {        this.portletUrlType = portletUrlType;    }    public void setWindowState(String windowState) {        this.windowState = windowState;    }    public void setAnchor(String anchor) {        this.anchor = anchor;    }    public void setForceAddSchemeHostAndPort(String forceAddSchemeHostAndPort) {        this.forceAddSchemeHostAndPort = forceAddSchemeHostAndPort;    }}