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php验证码刷新与局部刷新

Jun 06, 2016 pm 07:46 PM
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欢迎进入Linux社区论坛,与200万技术人员互动交流 >>进入 实现php 验证码调用时的刷新与局部刷新,这二种情况在网站开发中均有使用。 一、验证码刷新 代码示例: form method="post" name="login" action="" 验 证 码:input type="text" name="code" class=

欢迎进入Linux社区论坛,与200万技术人员互动交流 >>进入

  实现php 验证码调用时的刷新与局部刷新,这二种情况在网站开发中均有使用。

  一、验证码刷新

  代码示例:

  

  验 证 码: php验证码刷新与局部刷新

  

  方法1、借助js伪类

  代码示例:

  php验证码刷新与局部刷新

  方法2、引入外部文件

  在

之间引入外部文件

  代码示例:

  

  //外部文件code.js设置局部刷新函数

  //link http://

  function code () {

  var code = document.getElementByIdx_x_x('code');

  code.onclick = function () {

  this.src='code.php?tm='+Math.random();

  };

  };

  二、在验证码旁边加上说明文字,点击文字时才刷新

  代码示例:

  

  验 证 码: php验证码刷新与局部刷新

  点击刷新验证码

  

  方法1、借助js伪类

  代码示例:

  php验证码刷新与局部刷新

  方法2、引入外部文件

  在

之间引入外部文件

  代码示例:

  

  //外部文件code.js设置局部刷新函数

  function code () {

  var code = document.getElementByIdx_x_x('code');

  var update = document.getElementByIdx_x_x('update');

  update.onclick = function () {

  code.src='code.php?tm='+Math.random();

  };

  };

php验证码刷新与局部刷新

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