struts1中配置应用

*列表收集ID集合时，在formbean中放一个String[] selectFlag;数组，这时提交时formbean会自动收集
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    function deleteUser() {
        var flag = false;
        for (var i = 0; i < document.getElementsByName("selectFlag").length; i++) {
            if (document.getElementsByName("selectFlag")[i].checked) {
                flag = true;
            }        
        }
        if (!flag) {
            alert("请选择需要删除的用户！");
            return;
        }
        if (window.confirm("确认删除吗？")) {
            with (document.getElementById("userForm")) {
                method = "post";
                action = "del.do";
                submit();
            }
        }
    }
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*直接将值放到REQUEST中，前台用EL或标签显示出来
BeanUtils.copyProperties(user, uaf);//user为bean uaf是formbean

* ActionForward(转向)
动态的ActionForward
ActionForward af = new ActionForward();
af.setPath("/page"+page + ".jsp?name=tom");
retrun af;//只要最后返回一个forward就可以了

*声明式异常
<action-mappings>
  <action path="/login"...>
  <exception key="user.not.found" type="com.bving.struts.UserNotFoundException"/> //这里的key是在国际化文件中配置的
  <forward>...
</action-mapping>

* DispatchAction重要的
在ACTION中需要实现DispatchAction中的execute()方法，最后一定要调用super.
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       <action-mappings>
        <action path="/user/usermaint"
                type="com.bjsxt.drp.web.usermgr.actions.UserAction"
                name="userForm"
                scope="request"
                parameter="command"
        >
            <!-- 
            <forward name="add_success" path="/user/usermaint.do?command=list" redirect="true"/>
            <forward name="del_success" path="/user/usermaint.do?command=list" redirect="true"/>
            <forward name="modify_success" path="/user/usermaint.do?command=list" redirect="true"/>
             -->
            <forward name="find_success" path="/user/user_modify.jsp"/>
            <forward name="list_success" path="/user/user_list.jsp"/>
        </action>
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