shiro jsp自定义标签

1.建tld文件   auth.tld

<taglib>
  <tlib-version>1.1.2</tlib-version>
  <jsp-version>1.2</jsp-version>
  <short-name>gzc Shiro</short-name>
  <description>gzc Shiro JSP Tag Library.</description>
    <tag>
    <name>hasAnyPermission</name>
    <tag-class>com.zjpii.wanbao.console.shiro.HasAnyPermissionTag</tag-class>
    <body-content>JSP</body-content>
    <description>Displays body content only if the current Subject (user)
      'has' (implies) one of the specified permission (i.e the user has the specified ability) form a list of permissions.
    </description>
    <attribute>
      <name>name</name>
      <required>true</required>
      <rtexprvalue>true</rtexprvalue>
    </attribute>
  </tag>
</taglib>

2、该标签对应的类

package com.zjpii.wanbao.console.shiro;

import org.apache.shiro.subject.Subject;
import org.apache.shiro.web.tags.PermissionTag;

public class HasAnyPermissionTag extends PermissionTag{
	private static final long serialVersionUID = 1L;
	private static final String PERMISSION_NAMES_DELIMETER = ",";
	public HasAnyPermissionTag() {
	}
	@Override
	protected boolean showTagBody(String permissions) {
		boolean hasAnyPermission = false;
		Subject subject = getSubject();
		if (subject != null) {
			for (String permission : permissions
					.split(PERMISSION_NAMES_DELIMETER)) {
				if (subject.isPermitted(permission.trim())) {
					hasAnyPermission = true;
					break;
				}
			}
		}
		return hasAnyPermission;
	}
}

3、页面上的使用

<%@ taglib prefix="myshiro" uri="/WEB-INF/tld/auth.tld" %>

<myshiro hashasAnyPermission name=""> 

</myshiro>