在 Struts2 中使用 <s：actionerror/> 或 <s：actionmessage/> 来自资源包的 HTML 消息中的格式问题

Question

我有一个属性文件（资源包）。我试图通过从属性文件加载它们来显示其中一个 jsp 中的错误。我的属性文件中有一个条目，如下所示。

errors.password.rules=<font color="red">The password you have entered does not 
meet password strength requirements.  Please select a new password that conforms 
to the following standards:<UL><LI>Minimum length of 8 characters</LI>
<LI>Maximum length of 18 characters</LI><LI>At least one upper-case character</LI>
<LI>At least one lower-case character</LI><LI>At least one non-alphabetic character</LI>
<LI>Does not contain 3 or more consecutive repeating characters (e.g. AAA)</LI>
<LI>Does not contain the User ID</LI><LI>Does not contain common dictionary words 
more than 4 characters long</LI><LI>New Password should not be the same as 
previous password</LI></UL></font>

使用支柱 1 加载时，上述内容如下所示

The password you have entered does not meet password strength requirements. 
Please select a new password that conforms to the following standards:

• 最小长度为 8 个字符
• 最大长度为 18 个字符
• 至少一个大写字符
• 至少一个小写字符
• 至少一个非字母字符
• 不包含 3 个或更多连续重复字符（例如 AAA）
• 不包含用户标识
• 不包含长度超过 4 个字符的常用字典单词
• 新密码不应与以前的密码相同

加载 Struts 2 时相同，请参阅附件以获取输出

• The password you have entered does not meet password strength requirements. 
  Please select a new password that conforms to the following standards:
o Minimum length of 8 characters 
o Maximum length of 18 characters 
o At least one upper-case character 
o At least one lower-case character 
o At least one non-alphabetic character 
o Does not contain 3 or more consecutive repeating characters (e.g. AAA) 
o Does not contain the User ID 
o Does not contain common dictionary words more than 4 characters long 
o New Password should not be the same as previous password

上面显示的是带圆圈的项目符号，每个项目符号都在下一行中。子弹即将成为第一行

请建议我必须对我的属性文件进行哪些更改才能加载与 struts 1.x 相同的错误。

Answer 1

<s:actionerror/> 和 <s:actionmessage/> 标签将封装您的actionerrors和actionmessages <ul><li><span>yourmessage</span></li></ul> 中。

这将使您的消息以圆点开头（因为它位于<li>内），另一个嵌套<li>带有圆圈轮廓（由 HTML 定义的二级<li>）。

这：

<s:actionmessage />

将生成：

<ul class="actionMessage"><li><span>
    <font color="red">The password you have entered does not 
    meet password strength requirements.  Please select a new password that conforms 
    to the following standards:<UL><LI>Minimum length of 8 characters</LI>
    <LI>Maximum length of 18 characters</LI><LI>At least one upper-case character</LI>
    <LI>At least one lower-case character</LI><LI>At least one non-alphabetic character</LI>
    <LI>Does not contain 3 or more consecutive repeating characters (e.g. AAA)</LI>
    <LI>Does not contain the User ID</LI><LI>Does not contain common dictionary words 
    more than 4 characters long</LI><LI>New Password should not be the same as 
    previous password</LI></UL></font>
</span></li></ul>

要生成你想要的输出，你可以编写自己的 .ftl，或者更容易避免使用 <s:actionerror/>/<s:actionmessage> 标签，自己做循环：

<s:if test="actionMessages!=null && actionMessages.size > 0">
    <div class="actionmessage">
        <s:iterator value="actionMessages" >
            <span>
                <s:property escapeHtml = "false" />
            </span>
            <br/>
        </s:iterator>
    </div>
</s:if>

结果：

<div class="actionmessage"><span>
    <font color="red">The password you have entered does not 
    meet password strength requirements.  Please select a new password that conforms 
    to the following standards:<UL><LI>Minimum length of 8 characters</LI>
    <LI>Maximum length of 18 characters</LI><LI>At least one upper-case character</LI>
    <LI>At least one lower-case character</LI><LI>At least one non-alphabetic character</LI>
    <LI>Does not contain 3 or more consecutive repeating characters (e.g. AAA)</LI>
    <LI>Does not contain the User ID</LI><LI>Does not contain common dictionary words 
    more than 4 characters long</LI><LI>New Password should not be the same as 
    previous password</LI></UL></font>
</span><br/></div>

您可以循环 actionMessages 、 actionErrors 并最终fieldErrors并将它们放在一个messages.jsp片段中，这样您就可以在每个页面中使用它（无需每次都重写它），如下所示：

<s:include value="/WEB-INF/content/fragments/messages.jsp" />