猫先森 發表於 2019-7-29 00:11:22

DISCUZ! X3.4论坛标题字数（80个字符）限制长度

<font size="3">可能很多使用DISCUZ! X3.4平台朋友，发现一个问题就是发帖的标题被限制为80个字符。且也没办法修改长度，今天这里给大家介</font><font size="3"><br /></font><font size="3">绍几个方法，希望对大家有帮助。</font><font size="3"><br /></font><font size="3">字符最大限制为255，不要修改超过255，不然会失败！</font><font size="3">不管修改什么文件，首先要做的就是备份好要修改的文件，这是一个称职站长必做的一件事情</font><font size="3"><br /></font><font size="4"><font color="#ff0000"><strong>摘要：</strong>现在修改不像以前那样更新就可以直接使用了，更新之后还要等待5-10分钟，这是必须等待的。</font></font><font size="4"><font color="#ff0000"><br /></font></font><font size="4"><font color="#ff8c00"><strong>心愿</strong>：如果此贴对您有用的话麻烦您动一动鼠标给个免费的评分吧！谢谢爸爸们！</font></font><font size="3"><br /></font><font size="5"><font color="#ff0000"><strong>第一步：进入后台文件管理。</strong></font></font><font size="3">找到文件&nbsp;&nbsp;<strong><font color="#ff00ff">static/js/forum_post.js</font></strong>&nbsp;&nbsp;编辑</font><font size="3"><br /></font><font size="3"><br /></font><font size="3">找到：</font><font size="3"><br /></font><ol><li>&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;if(($('postsubmit').name != 'replysubmit' &amp;&amp; !($('postsubmit').name == 'editsubmit' &amp;&amp; !isfirstpost) &amp;&amp; &lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;<br /><li>&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;theform.subject.value == &quot;&quot;) || !sortid &amp;&amp; !special &amp;&amp; trim(message) == &quot;&quot;) {&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;showError('抱歉，您尚未输入标题或内容');&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;return false;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;} else if(mb_strlen(theform.subject.value) &gt; 80) {&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;showError('您的标题超过 80 个字符的限制');&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;return false;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;}&lt;/font&gt;&lt;/div&gt;</ol><br /><font size="3">修改为：</font><font size="3"><br /></font><ol><li>&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;if(($('postsubmit').name != 'replysubmit' &amp;&amp; !($('postsubmit').name == 'editsubmit' &amp;&amp; !isfirstpost) &amp;&amp; &lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;<br /><li>&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;theform.subject.value == &quot;&quot;) || !sortid &amp;&amp; !special &amp;&amp; trim(message) == &quot;&quot;) {&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;showError('抱歉，您尚未输入标题或内容');&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;return false;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;} else if(mb_strlen(theform.subject.value) &gt; 255) {&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;showError('您的标题超过 255 个字符的限制');&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;return false;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;}&lt;/font&gt;&lt;/div&gt;</ol><br /><font size="3">然后找到文件&nbsp;&nbsp;<strong><font color="#ff00ff">static/js/forum.js</font></strong>&nbsp; &nbsp;编辑</font><font size="3"><br /></font><font size="3">然后继续找到：</font><font size="3"><br /></font><font size="3"><br /></font><ol><li>&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;if(theform.message.value == '' || theform.subject.value == '') {&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;s = '抱歉，您尚未输入标题或内容';&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;theform.message.focus();&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;} else if(mb_strlen(theform.subject.value) &gt; 80) {&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;s = '您的标题超过 80 个字符的限制';&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;theform.subject.focus();&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;}&lt;/font&gt;&lt;/div&gt;</ol><font size="3"><br /></font><font size="3">修改为：</font><font size="3"><br /></font><ol><li>&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;if(theform.message.value == '' || theform.subject.value == '') {&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;s = '抱歉，您尚未输入标题或内容';&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;theform.message.focus();&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;} else if(mb_strlen(theform.subject.value) &gt; 255) {&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;s = '您的标题超过 255 个字符的限制';&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;theform.subject.focus();&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;}&lt;/font&gt;&lt;/div&gt;</ol><font size="3"><br /></font><font size="5"><font color="#ff0000"><strong>第二步：数据库修改</strong></font></font><font size="3"><br /></font><font size="3">进入discuz的后台-&gt;站长-&gt;数据库-&gt;升级</font><font size="3"><br /></font><font size="3">由于Discuz! 后台默认情况下禁止 SQL 语句直接执行，只能使用常用 SQL 当中的内容。</font><font size="3"><br /></font><font size="3">如果您想自己随意书写 SQL 升级语句，需要将 <strong><font color="#ff00ff">config/config_global.php</font></strong> 当中的 </font><ol><li>$_config['admincp']['runquery'] = '0';</ol><br /><font size="3">把 0&nbsp;&nbsp;设置修改为 1</font><font size="3"><br /></font><font size="3">。</font><font size="3"><br /></font><font size="3">（因为我们这里需要执行SQL语句所以需要改，或者直接在PHPmyadmin 里面执行SQL语句即可）</font><font size="3"><br /></font><font size="3">这里我是修改了&nbsp;&nbsp;<strong><font color="#ff00ff">config_global.php</font></strong>&nbsp;&nbsp;文件。</font><font size="3"><br /></font><font size="3">3</font><font size="3">数据库修改，修改数据库标题字段的长度为255字符：运行下面的sql语句：（注意修改你的表的前缀）</font><font size="3"><br /></font><ol><li>&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;ALTER TABLE `pre_forum_post` CHANGE `subject` `subject` VARCHAR(255) NOT NULL;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;ALTER TABLE `pre_forum_rsscache` CHANGE `subject` `subject` char(255) NOT NULL;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;ALTER TABLE `pre_forum_thread` CHANGE `subject` `subject` char(255) NOT NULL;&lt;/font&gt;&lt;/div&gt;</ol><br /><font size="3">点击：提交 ，成功如图所示</font><br /><img title="01.png" id="aimg_1846" aid="1846" src1="static/image/common/none.gif" zoom="https://www.dismall.com/data/attachment/forum/201907/29/000647ggl2m0k9ate00tai.png" src="https://www.dismall.com/data/attachment/forum/201907/29/000647ggl2m0k9ate00tai.png" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="600" inpost="1" onmouseover="showMenu({'ctrlid':this.id,'pos':'12'})" /><font size="3"><br /></font><font size="5"><font color="#ff0000"><strong>第三步：修改模板中写死的字符限制数</strong></font></font><font size="3"><br /></font><font size="3">找到文件&nbsp;&nbsp;<strong><font color="#ff00ff">\template\default\forum\post_editor_extra.htm</font></strong>&nbsp;&nbsp;编辑</font><font size="3"><br /></font><font size="3">找到：（把80 改成 255）</font><font size="3"><br /></font><ol><li>&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;<br /><li>&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;!--{if $_GET != 'reply'}--&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;span&gt;&lt;input type=&quot;text&quot; name=&quot;subject&quot; id=&quot;subject&quot; class=&quot;px&quot; value=&quot;$postinfo&quot; onkeyup=&quot;strLenCalc(this, 'checklen', 80);&quot; style=&quot;width: 25em&quot; tabindex=&quot;1&quot; /&gt;&lt;/span&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;!--{else}--&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;span id=&quot;subjecthide&quot; class=&quot;z&quot;&gt;RE: $thread [&lt;a href=&quot;javascript:;&quot; onclick=&quot;display('subjecthide');display('subjectbox');return false;&quot;&gt;{lang modify}&lt;/a&gt;]&lt;/span&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;span id=&quot;subjectbox&quot; style=&quot;display:none&quot;&gt;&lt;input type=&quot;text&quot; name=&quot;subject&quot; id=&quot;subject&quot; class=&quot;px&quot; value=&quot;&quot; onkeyup=&quot;strLenCalc(this, 'checklen', 80);&quot; style=&quot;width: 25em&quot; /&gt;&lt;/span&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;!--{/if}--&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;span id=&quot;subjectchk&quot;{if $_GET == 'reply'} style=&quot;display:none&quot;{/if}&gt;{lang comment_message1} &lt;strong id=&quot;checklen&quot;&gt;80&lt;/strong&gt; {lang comment_message2}&lt;/span&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;script type=&quot;text/javascript&quot;&gt;strLenCalc($('subject'), 'checklen', 80)&lt;/script&gt;&lt;/font&gt;&lt;/div&gt;</ol><font size="3"><br /></font><font size="3">修改为：</font><font size="3"><br /></font><ol><li>&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;!--{if $_GET != 'reply'}--&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;span&gt;&lt;input type=&quot;text&quot; name=&quot;subject&quot; id=&quot;subject&quot; class=&quot;px&quot; value=&quot;$postinfo&quot; onkeyup=&quot;strLenCalc(this, 'checklen', 255);&quot; style=&quot;width: 25em&quot; tabindex=&quot;1&quot; /&gt;&lt;/span&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;!--{else}--&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;span id=&quot;subjecthide&quot; class=&quot;z&quot;&gt;RE: $thread [&lt;a href=&quot;javascript:;&quot; onclick=&quot;display('subjecthide');display('subjectbox');return false;&quot;&gt;{lang modify}&lt;/a&gt;]&lt;/span&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;span id=&quot;subjectbox&quot; style=&quot;display:none&quot;&gt;&lt;input type=&quot;text&quot; name=&quot;subject&quot; id=&quot;subject&quot; class=&quot;px&quot; value=&quot;&quot; onkeyup=&quot;strLenCalc(this, 'checklen', 255);&quot; style=&quot;width: 25em&quot; /&gt;&lt;/span&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;!--{/if}--&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;span id=&quot;subjectchk&quot;{if $_GET == 'reply'} style=&quot;display:none&quot;{/if}&gt;{lang comment_message1} &lt;strong id=&quot;checklen&quot;&gt;255&lt;/strong&gt; {lang comment_message2}&lt;/span&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;script type=&quot;text/javascript&quot;&gt;strLenCalc($('subject'), 'checklen', 255)&lt;/script&gt;&lt;/font&gt;&lt;/div&gt;</ol><font size="3"><br /></font><font size="3">继续找到文件&nbsp;&nbsp;<strong><font color="#ff00ff">\template\default\forum\forumdisplay_fastpost.htm</font></strong>&nbsp;&nbsp;编辑</font><font size="3"><br /></font><font size="3"><br /></font><font size="3">找到：</font><font size="3"><br /></font><ol><li>&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;!--{/if}--&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;input type=&quot;text&quot; id=&quot;subject&quot; name=&quot;subject&quot; class=&quot;px&quot; value=&quot;&quot; onkeyup=&quot;strLenCalc(this, 'checklen', 80);&quot; tabindex=&quot;11&quot; style=&quot;width: 25em&quot; /&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;span&gt;{lang comment_message1} &lt;strong id=&quot;checklen&quot;&gt;80&lt;/strong&gt; {lang comment_message2}&lt;/span&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;/div&gt;&lt;/font&gt;&lt;/div&gt;</ol><font size="3"><br /></font><font size="3">修改为：</font><font size="3"><br /></font><ol><li>&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;!--{/if}--&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;input type=&quot;text&quot; id=&quot;subject&quot; name=&quot;subject&quot; class=&quot;px&quot; value=&quot;&quot; onkeyup=&quot;strLenCalc(this, 'checklen', 255);&quot; tabindex=&quot;11&quot; style=&quot;width: 25em&quot; /&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;span&gt;{lang comment_message1} &lt;strong id=&quot;checklen&quot;&gt;255&lt;/strong&gt; {lang comment_message2}&lt;/span&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;&lt;/div&gt;&lt;/font&gt;&lt;/div&gt;</ol><br /><font size="3">保存文件上传覆盖原文件</font><font size="3"><br /></font><font size="5"><font color="#ff0000"><strong>第四步：修改函数验证文件</strong></font></font><font size="3"><br /></font><font size="3">找到文件&nbsp;&nbsp;<strong><font color="#ff00ff">/source/function/function_post.php</font></strong>&nbsp;&nbsp;编辑</font><font size="3"><br /></font><font size="3">找到：</font><font size="3"><br /></font><ol><li>&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;if(dstrlen($subject) &gt; 80) {&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;return 'post_subject_toolong';&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;}&lt;/font&gt;&lt;/div&gt;</ol><font size="3"><br /></font><font size="3">修改为：</font><font size="3"><br /></font><ol><li>&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;if(dstrlen($subject) &gt; 255) {&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;return 'post_subject_toolong';&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font size=&quot;3&quot;&gt;&lt;span style=&quot;white-space:pre&quot;&gt;&nbsp; &nbsp; &nbsp; &nbsp; &lt;/span&gt;}&lt;/font&gt;&lt;/div&gt;</ol><font size="3"><br /></font><font size="3">保存文件上传覆盖原文件</font><font size="3"><br /></font><font size="3"><br /></font><font size="3">第五步：修改语言包文件</font><font size="3"><br /></font><font size="3">找到： <strong><font color="#ff00ff">source/language/lang_messege.php</font></strong> 下载编辑</font><font size="3"><br /></font><font size="3">找到：</font><font size="3"><br /></font><ol><li>&nbsp;&nbsp;'post_subject_toolong' =&gt; '抱歉，您的标题超过 80 个字符修改标题长度',</ol><font size="3"><br /></font><font size="3">修改：</font><font size="3"><br /></font><ol><li>&nbsp;&nbsp;'post_subject_toolong' =&gt; '抱歉，您的标题超过 255 个字符修改标题长度',</ol><font size="3"><br /></font><font size="3">最后进入discuz的后台-&gt;工具-&gt;更新缓存&nbsp; &nbsp;之后完毕，耐心等待！</font>修改<em>, </em>文件
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查看完整版本: DISCUZ! X3.4论坛标题字数（80个字符）限制长度