PHP jQuery表单,带验证具体实现方法

Email检测,密码重复检测,可以用于表单发送的各种环境，例如发送反馈，注册帐号

Invalid Name:
We want names with more than 3 letters!

Invalid E-mail:
Stop cowboy! Type a valid e-mail please :P

Passwords are invalid:
Passwords doesn't match or are invalid!

Ivalid message:
Type a message with at least with 10 letters

Congratulations!
All fields are OK ;)

<BR> </div> <BR> <div> <BR> <input id="send" name="send" type="submit" value="Send" /> <BR> </div> <BR> </form> <BR> </div> <BR></div></P>
<P>validation.<a href="https://www.jb51.cc/tag/PHP/" target="_blank" class="keywords">PHP</a></P>
<P><div class="codetitle"><span><a style="CURSOR: pointer" data="89205" class="copybut" id="copybut89205" onclick="doCopy('code89205')"><U></U></a> <a href="https://www.jb51.cc/tag/daima/" target="_blank" class="keywords">代码</a>如下:</div><div class="codebody" id="code89205"><BR><?<a href="https://www.jb51.cc/tag/PHP/" target="_blank" class="keywords">PHP</a> <BR> function validateName($name){ <BR> //if it's NOT valid <BR> if(strlen($name) < 4) <BR> return false; <BR> //if it's valid <BR> else <BR> return true; <BR> } <BR> function validateEmail($email){ <BR> return ereg("^[a-zA-Z0-9]+[a-zA-Z0-9_-]+@[a-zA-Z0-9]+[a-zA-Z0-9.-]+[a-zA-Z0-9]+.[a-z]{2,4}$",$email); <BR> } <BR> function validatePasswords($pass1,$pass2) { <BR> //if DOESN'T MATCH <BR> if(strpos($pass1,' ') !== false) <BR> return false; <BR> //if are valid <BR> return $pass1 == $pass2 && strlen($pass1) > 5; <BR> } <BR> function validateMessage($message){ <BR> //if it's NOT valid <BR> if(strlen($message) < 10) <BR> return false; <BR> //if it's valid <BR> else <BR> return true; <BR> } <BR>?> <BR></div></P><i class="glyphicon glyphicon-link"></i> 原文链接：https://www.f2er.com/php/25113.html</div>
      <div class="topcard-tags"><a href="https://www.f2er.com/tag/jQuerybiaodan/" class="tag_link" target="_blank">jQuery表单</a><a href="https://www.f2er.com/tag/PHP/" class="tag_link" target="_blank">PHP</a><a href="https://www.f2er.com/tag/yanzheng/" class="tag_link" target="_blank">验证</a><a href="https://www.f2er.com/tag/yanzhengp/" class="tag_link" target="_blank">验证</a><a href="https://www.f2er.com/tag/pyanzheng/" class="tag_link" target="_blank">验证</a></div>
      
                 <ul class="list-group">
        <li class="list-group-item"><a href="https://www.f2er.com/php/25114.html" title="php实现加减法验证码代码">上一篇：php实现加减法验证码代码</a><a href="https://www.f2er.com/php/25112.html" title="php随机显示图片的简单示例" class="text-muted pull-right">下一篇：php随机显示图片的简单示例</a>
    
    </li>
    </ul>
              </div>
            </div>
          </div>
          
          
          <div class="row row-sm">
            <div class="col-sm-12 col-md-12 col-lg-12">
              <div class="card">
<ins class="adsbygoogle"
     style="display:block"
     data-ad-format="autorelaxed"
     data-ad-client="ca-pub-4605373693034661"
     data-ad-slot="9144498553"></ins>
<script>
     (adsbygoogle = window.adsbygoogle || []).push({});
</script></div>
            </div>
          </div>

<div class="row row-sm">
            <div class="col-sm-12 col-md-12 col-lg-12">
              <div class="card">
                  
    <div class="title"><h1>猜你在找的PHP相关文章</h1></div>
<div class="list_con">
                                    <a href="https://www.f2er.com/php/997740.html" title="Hessian通讯协议【附PHP源代码】"><img class="lazy" src="https://www.f2er.com/images/np.jpg" data-original="https://www.f2er.com/res/2021/02-22/19/361df348b2385424b031f281e9807f35.png" title="" width="160" height="90" style="float:right;margin-left:30px;display:none;" /><div class="title">Hessian通讯协议【附PHP源代码】</div>
                                <div class="summary">Hessian开源的远程通讯，采用二进制 RPC的协议，基于 HTTP 传输。可以实现PHP调用Java,Pyt...</div>
                                <time class="summary">作者：前端之家 时间：2021-02-22</time>
                                </a>
                            </div>
<div class="list_con">
                                    <a href="https://www.f2er.com/php/997739.html" title="初识Mongodb总结"><img class="lazy" src="https://www.f2er.com/images/np.jpg" data-original="https://www.f2er.com/res/2021/02-22/19/b4d39ef6acdce4fc3ef2fe713961a4c2.png" title="" width="160" height="90" style="float:right;margin-left:30px;display:none;" /><div class="title">初识Mongodb总结</div>
                                <div class="summary">初识Mongodb的一些总结,在Mac Os X下真实搭建mongodb环境,以及分享个Mongodb管理工具,学习...</div>
                                <time class="summary">作者：前端之家 时间：2021-02-22</time>
                                </a>
                            </div>
<div class="list_con">
                                    <a href="https://www.f2er.com/php/997738.html" title="初识Mongodb之[CURD]-PHP版"><img class="lazy" src="https://www.f2er.com/images/np.jpg" data-original="https://www.f2er.com/res/2021/02-22/19/d009a8111c246e74506457f4b9a3356b.png" title="" width="160" height="90" style="float:right;margin-left:30px;display:none;" /><div class="title">初识Mongodb之[CURD]-PHP版</div>
                                <div class="summary">边看边操作,这样才能记得牢,实践是检验真理的唯一标准.光看不练假把式,光练不看傻把式,边看...</div>
                                <time class="summary">作者：前端之家 时间：2021-02-22</time>
                                </a>
                            </div>
<div class="list_con">
                                    <a href="https://www.f2er.com/php/997665.html" title="php学习日志 - echo&print"><img class="lazy" src="https://www.f2er.com/images/np.jpg" data-original="https://www.f2er.com/res/2021/02-21/08/daa4210b68d9838740e9ea77a21307fa.png" title="" width="160" height="90" style="float:right;margin-left:30px;display:none;" /><div class="title">php学习日志 - echo&print</div>
                                <div class="summary">在php中，结果输出一共有两种方式：echo和print，下面将对两种方式做一个比较。 echo与pri...</div>
                                <time class="summary">作者：前端之家 时间：2021-02-21</time>
                                </a>
                            </div>
<div class="list_con">
                                    <a href="https://www.f2er.com/php/997664.html" title="The mbstring extension is missing. Please check your PHP configuration错误及解决方法"><img class="lazy" src="https://www.f2er.com/images/np.jpg" data-original="https://www.f2er.com/res/2021/02-21/08/eb187c62ac0c80d6e2af301e5b85d7cf.jpg" title="" width="160" height="90" style="float:right;margin-left:30px;display:none;" /><div class="title">The mbstring extension is missing. Please check your PHP configuration错误及解决方法</div>
                                <div class="summary">在安装好wampServer后，一直没有使用phpMyAdmin,今天用了一下，phpMyAdmin显示错误：The m...</div>
                                <time class="summary">作者：前端之家 时间：2021-02-21</time>
                                </a>
                            </div>
<div style="border-bottom: 1px solid #f4f4f4;margin-top:20px;">
<ins class="adsbygoogle"
     style="display:block"
     data-ad-format="fluid"
     data-ad-layout-key="-fr-2o+fp-dx-wx"
     data-ad-client="ca-pub-4605373693034661"
     data-ad-slot="4561116489"></ins>
<script>
     (adsbygoogle = window.adsbygoogle || []).push({});
</script>
</div><div class="list_con">
                                    <a href="https://www.f2er.com/php/997662.html" title="解决Windows Live Writer错误:WindowsLive.Writer.CoreServices.HttpRequestHelper的类型初始值设定发生异常"><img class="lazy" src="https://www.f2er.com/images/np.jpg" data-original="https://www.f2er.com/res/2021/02-21/08/3dba7c0e337113c18e0d271e31375f92.png" title="" width="160" height="90" style="float:right;margin-left:30px;display:none;" /><div class="title">解决Windows Live Writer错误:WindowsLive.Writer.CoreServices.HttpRequestHelper的类型初始值设定发生异常</div>
                                <div class="summary">以前用Windows Live Writer写日志都好好的，前几天用写完日志，点击发布，突然弹出意外错误...</div>
                                <time class="summary">作者：前端之家 时间：2021-02-21</time>
                                </a>
                            </div>
<div class="list_con">
                                    <a href="https://www.f2er.com/php/997491.html" title="在PHP项目中使用Standford Moss代码查重系统"><div class="title">在PHP项目中使用Standford Moss代码查重系统</div>
                                <div class="summary">Standford Moss 系统是斯坦福大学大名鼎鼎的代码查重系统，它可以查出哪些同学提交的代码是...</div>
                                <time class="summary">作者：前端之家 时间：2021-02-18</time>
                                </a>
                            </div>
<div class="list_con">
                                    <a href="https://www.f2er.com/php/997490.html" title="Windows下PHP安全环境的搭建"><img class="lazy" src="https://www.f2er.com/images/np.jpg" data-original="https://www.f2er.com/res/2021/02-18/10/ae3043a3f014e5fde5c29d0449149db0.png" title="" width="160" height="90" style="float:right;margin-left:30px;display:none;" /><div class="title">Windows下PHP安全环境的搭建</div>
                                <div class="summary">笔者一直在Windows环境下搭建PHP的运行环境，大大小小的运行环境用过不少，从开始的WAMP到...</div>
                                <time class="summary">作者：前端之家 时间：2021-02-18</time>
                                </a>
                            </div>
<div class="list_con">
                                    <a href="https://www.f2er.com/php/997489.html" title="ThinkPHP5作业管理系统中处理学生未交作业与已交作业信息"><div class="title">ThinkPHP5作业管理系统中处理学生未交作业与已交作业信息</div>
                                <div class="summary">在作业管理系统中，学生登陆到个人中心后可以通过左侧的菜单查看自己已经提交的作业和未提...</div>
                                <time class="summary">作者：前端之家 时间：2021-02-18</time>
                                </a>
                            </div>
<div class="list_con">
                                    <a href="https://www.f2er.com/php/997488.html" title="ThinkPHP5项目目录规划实践"><div class="title">ThinkPHP5项目目录规划实践</div>
                                <div class="summary">ThinkPHP5安装后（或者下载后的压缩文件解压后）可以看到下面的目录结构： 一般的信息管理...</div>
                                <time class="summary">作者：前端之家 时间：2021-02-18</time>
                                </a>
                            </div>
<div style="border-bottom: 1px solid #f4f4f4;margin-top:20px;">
<ins class="adsbygoogle"
     style="display:block"
     data-ad-format="fluid"
     data-ad-layout-key="-fr-2o+fp-dx-wx"
     data-ad-client="ca-pub-4605373693034661"
     data-ad-slot="4561116489"></ins>
<script>
     (adsbygoogle = window.adsbygoogle || []).push({});
</script>
</div></div>
            </div>
          </div>
        </div>
        
        
        
        <div class="col-sm-12 col-md-12 col-lg-3">
          
          <div class="row row-sm">
            <div class="col-sm-12 col-md-12 col-lg-12">
              <div class="card">
                <label class="main-content-label ">编程分类</label>
                <div class="cate mt-20"><a href="https://www.f2er.com/php/" title="PHP">PHP</a><a href="https://www.f2er.com/java/" title="Java">Java</a><a href="https://www.f2er.com/javase/" title="Java SE">Java SE</a><a href="https://www.f2er.com/python/" title="Python">Python</a><a href="https://www.f2er.com/csharp/" title="C#">C#</a><a href="https://www.f2er.com/c/" title="C&C++">C&C++</a><a href="https://www.f2er.com/ruby/" title="Ruby">Ruby</a><a href="https://www.f2er.com/vb/" title="VB">VB</a><a href="https://www.f2er.com/aspnet/" title="asp.Net">asp.Net</a><a href="https://www.f2er.com/go/" title="Go">Go</a><a href="https://www.f2er.com/Perl/" title="Perl">Perl</a><a href="https://www.f2er.com/netty/" title="netty">netty</a><a href="https://www.f2er.com/django/" title="Django">Django</a><a href="https://www.f2er.com/delphi/" title="Delphi">Delphi</a><a href="https://www.f2er.com/jsp/" title="Jsp">Jsp</a><a href="https://www.f2er.com/netcore/" title=".NET Core">.NET Core</a><a href="https://www.f2er.com/spring/" title="Spring">Spring</a><a href="https://www.f2er.com/flask/" title="Flask">Flask</a><a href="https://www.f2er.com/springboot/" title="Springboot">Springboot</a><a href="https://www.f2er.com/springmvc/" title="SpringMVC">SpringMVC</a><a href="https://www.f2er.com/lua/" title="Lua">Lua</a><a href="https://www.f2er.com/laravel/" title="Laravel">Laravel</a><a href="https://www.f2er.com/mybatis/" title="Mybatis">Mybatis</a><a href="https://www.f2er.com/asp/" title="Asp">Asp</a><a href="https://www.f2er.com/groovy/" title="Groovy">Groovy</a><a href="https://www.f2er.com/thinkphp/" title="ThinkPHP">ThinkPHP</a><a href="https://www.f2er.com/yii/" title="Yii">Yii</a><a href="https://www.f2er.com/swoole/" title="swoole">swoole</a><div class="clearfix"></div>
                </div>
              </div>
            </div>
          </div>
          
         
          <div class="row row-sm">
            <div class="col-sm-12 col-md-12 col-lg-12">
              <div class="card"> 

<ins class="adsbygoogle"
     style="display:block"
     data-ad-client="ca-pub-4605373693034661"
     data-ad-slot="7756441254"
     data-ad-format="auto"
     data-full-width-responsive="true"></ins>
<script>
     (adsbygoogle = window.adsbygoogle || []).push({});
</script>
              </div>
            </div>
          </div>
          
          
          
          <div class="row row-sm">
            <div class="col-sm-12 col-md-12 col-lg-12">
              <div class="card">
                <label class="main-content-label ">最新文章</label>
                <ul class="n-list"><li><a href="https://www.f2er.com/php/997740.html" title="Hessian通讯协议【附PHP源代码】" target="_blank">• Hessian通讯协议【附PHP源</a></li>
<li><a href="https://www.f2er.com/php/997739.html" title="初识Mongodb总结" target="_blank">• 初识Mongodb总结</a></li>
<li><a href="https://www.f2er.com/php/997738.html" title="初识Mongodb之[CURD]-PHP版" target="_blank">• 初识Mongodb之[CURD]-PHP版</a></li>
<li><a href="https://www.f2er.com/php/997665.html" title="php学习日志 - echo&print" target="_blank">• php学习日志 - echo&p</a></li>
<li><a href="https://www.f2er.com/php/997664.html" title="The mbstring extension is missing. Please check your PHP configuration错误及解决方法" target="_blank">• The mbstring extension i</a></li>
<li><a href="https://www.f2er.com/php/997663.html" title="php学习日志 - php变量" target="_blank">• php学习日志 - php变量</a></li>
<li><a href="https://www.f2er.com/php/997662.html" title="解决Windows Live Writer错误:WindowsLive.Writer.CoreServices.HttpRequestHelper的类型初始值设定发生异常" target="_blank">• 解决Windows Live Writer错</a></li>
<li><a href="https://www.f2er.com/php/997491.html" title="在PHP项目中使用Standford Moss代码查重系统" target="_blank">• 在PHP项目中使用Standford</a></li>
<li><a href="https://www.f2er.com/php/997490.html" title="Windows下PHP安全环境的搭建" target="_blank">• Windows下PHP安全环境的搭</a></li>
<li><a href="https://www.f2er.com/php/997489.html" title="ThinkPHP5作业管理系统中处理学生未交作业与已交作业信息" target="_blank">• ThinkPHP5作业管理系统中处</a></li>
</ul>
              </div>
            </div>
          </div>

<div class="row row-sm">
            <div class="col-sm-12 col-md-12 col-lg-12">
              <div class="card">
                <label class="main-content-label ">热门标签
                  <span class="pull-right tx-12">
                    <a href="https://www.f2er.com/all" target="_blank">更多 ►</a></span>
                </label>
                <div class="topcard-tags"><a href="https://www.f2er.com/tag/wenjianshijian/" title="文件时间" target="_blank">文件时间</a><a href="https://www.f2er.com/tag/pythonm/" title="pythonm" target="_blank">pythonm</a><a href="https://www.f2er.com/tag/xiangdengxing/" title="相等性" target="_blank">相等性</a><a href="https://www.f2er.com/tag/PHPWarning/" title="PHP Warning" target="_blank">PHP Warning</a><a href="https://www.f2er.com/tag/shijianwenti/" title="时间问题" target="_blank">时间问题</a><a href="https://www.f2er.com/tag/wentijiejue/" title="问题解决" target="_blank">问题解决</a><a href="https://www.f2er.com/tag/pcntlsignal/" title="pcntl_signal()" target="_blank">pcntl_signal</a><a href="https://www.f2er.com/tag/caiyangdian/" title="采样点" target="_blank">采样点</a><a href="https://www.f2er.com/tag/wavmokuai/" title="wav模块" target="_blank">wav模块</a><a href="https://www.f2er.com/tag/dongtaiwenben/" title="动态文本" target="_blank">动态文本</a><a href="https://www.f2er.com/tag/diaoyongpinlvxianzhi/" title="调用频率限制" target="_blank">调用频率限制</a><a href="https://www.f2er.com/tag/duiwaibaolu/" title="对外暴露" target="_blank">对外暴露</a><a href="https://www.f2er.com/tag/duogefangwenqingqiu/" title="多个访问请求" target="_blank">多个访问请求</a><a href="https://www.f2er.com/tag/gengxinshujubiao/" title="更新数据表" target="_blank">更新数据表</a><a href="https://www.f2er.com/tag/moxingjiegou/" title="模型结构" target="_blank">模型结构</a><a href="https://www.f2er.com/tag/typefangfa/" title="type()方法" target="_blank">type()方法</a><a href="https://www.f2er.com/tag/bijiaosudu/" title="比较速度" target="_blank">比较速度</a><a href="https://www.f2er.com/tag/shouxieti/" title="手写体" target="_blank">手写体</a><a href="https://www.f2er.com/tag/sobelsuanzi/" title="sobel算子" target="_blank">sobel算子</a><a href="https://www.f2er.com/tag/baocunmoxing/" title="保存模型" target="_blank">保存模型</a><a href="https://www.f2er.com/tag/Imagelei/" title="Image类" target="_blank">Image类</a><a href="https://www.f2er.com/tag/nnConv2d/" title="nn.Conv2d" target="_blank">nn.Conv2d</a><a href="https://www.f2er.com/tag/pytorch10/" title="pytorch1.0" target="_blank">pytorch1.0</a><a href="https://www.f2er.com/tag/kaggle/" title="kaggle" target="_blank">kaggle</a><a href="https://www.f2er.com/tag/DCGAN/" title="DCGAN" target="_blank">DCGAN</a><a href="https://www.f2er.com/tag/jiaobingbi/" title="交并比" target="_blank">交并比</a><a href="https://www.f2er.com/tag/rangeyongfa/" title="range()用法" target="_blank">range()用法</a><a href="https://www.f2er.com/tag/dayinmoxing/" title="打印模型" target="_blank">打印模型</a><a href="https://www.f2er.com/tag/fanjuanji/" title="反卷积" target="_blank">反卷积</a><a href="https://www.f2er.com/tag/juanji/" title="卷积" target="_blank">卷积</a></div>
              </div>
            </div>
          </div>
          
          
          
         
          <div class="row row-sm">
            <div class="col-sm-12 col-md-12 col-lg-12">
              <div class="card"> 

<ins class="adsbygoogle"
     style="display:block"
     data-ad-client="ca-pub-4605373693034661"
     data-ad-slot="7756441254"
     data-ad-format="auto"
     data-full-width-responsive="true"></ins>
<script>
     (adsbygoogle = window.adsbygoogle || []).push({});
</script>
              </div>
            </div>
          </div>
          
          
          </div>
        
        </div>
    </div>

<footer id="footer">
    <div class="container">
        <div class="row hidden-xs">
             <dl class="col-sm-6 site-link">
                <dt>最近更新</dt><dd><a href="https://www.f2er.com/win11/1005878.html" title="【联想一体机系统重装指南】" target="_blank">· 【联想一体机系统重装指南】</a><span class="text-muted pull-right">10-03</span></dd>
<dd><a href="https://www.f2er.com/win11/1005877.html" title="笔记本系统重装教程：轻松解决系统问题" target="_blank">· 笔记本系统重装教程：轻松解决系统问题</a><span class="text-muted pull-right">10-03</span></dd>
<dd><a href="https://www.f2er.com/win11/1005876.html" title="重装系统：U盘启动，轻松搞定！" target="_blank">· 重装系统：U盘启动，轻松搞定！</a><span class="text-muted pull-right">10-03</span></dd>
<dd><a href="https://www.f2er.com/win11/1005875.html" title="大白菜u盘重装系统，让你的电脑焕然一新！" target="_blank">· 大白菜u盘重装系统，让你的电脑焕然一新！</a><span class="text-muted pull-right">10-03</span></dd>
<dd><a href="https://www.f2er.com/win11/1005874.html" title="U盘重装系统：轻松启动，快速恢复" target="_blank">· U盘重装系统：轻松启动，快速恢复</a><span class="text-muted pull-right">10-03</span></dd>
<dd><a href="https://www.f2er.com/win11/1005873.html" title="重装电脑系统的步骤及注意事项" target="_blank">· 重装电脑系统的步骤及注意事项</a><span class="text-muted pull-right">10-03</span></dd>
<dd><a href="https://www.f2er.com/win11/1005872.html" title="深度重装系统，一键解决电脑问题" target="_blank">· 深度重装系统，一键解决电脑问题</a><span class="text-muted pull-right">10-03</span></dd>
<dd><a href="https://www.f2er.com/win11/1005871.html" title="重装系统的正确操作步骤，让你的电脑焕然一新" target="_blank">· 重装系统的正确操作步骤，让你的电脑焕然一新</a><span class="text-muted pull-right">10-03</span></dd>
<dd><a href="https://www.f2er.com/win11/1005870.html" title="安全模式重装系统：保障您设备安全的最佳选择" target="_blank">· 安全模式重装系统：保障您设备安全的最佳选择</a><span class="text-muted pull-right">10-03</span></dd>
<dd><a href="https://www.f2er.com/win11/1005869.html" title="戴尔重装系统步骤大全" target="_blank">· 戴尔重装系统步骤大全</a><span class="text-muted pull-right">10-03</span></dd>
</dl>
            
           <dl class="col-sm-4 site-link">
                <dt>好站推荐</dt><dd> <a href="https://www.runoob.com" title="菜鸟教程(www.runoob.com)提供了编程的基础技术教程, 介绍了HTML、CSS、Javascript、Python，Java，Ruby，C，PHP , MySQL等各种编程语言的基础知识。 同时本站中也提供了大量的在线实例，通过实例，您可以更好的学习编程。" target="_blank">菜鸟教程</a></dd><dd> <a href="https://www.jb51.cc" title="编程之家(www.jb51.cc)是成立于2017年面向全球中文开发者的技术内容分享平台。提供编程导航、编程问答、编程博文、编程百科、编程教程、编程工具、编程实例等开发者最需要的编程技术内容与开发工具支持，与你一起学习编程，相信编程改变未来！" target="_blank">编程之家</a></dd><dd> <a href="https://www.f2er.com" title="前端之家 f2er.com 前端开发人员所需学习知识手册。" target="_blank">前端之家</a></dd></dl>

</div>
        <div class="copyright">
            Copyright © 2019 前端之家. 当前版本 V7.0.16<br>
            <span class="ml5">前端之家 版权所有 
            <a href="https://beian.miit.gov.cn/"  target="_blank"  rel="nofollow">闽ICP备13020303号-10</a></span>
        </div>
    </div>
</footer>
<script type="text/javascript" src="https://www.f2er.com/js/base.js"></script>
</body>
</html>

PHP jQuery表单,带验证具体实现方法

Invalid Name:

Invalid E-mail:

Passwords are invalid:

Ivalid message:

Congratulations!