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给wordpress添加文本阅读（朗读）功能的教程

今天在wordpress交流群中看到有人问了一个问题：网页里面要加入一个读屏功能，就是语音读网页的内容，请问用什么插件？其实文本阅读功能就是TTS（Text To Speech），即“从文本到语音”，是人机对话的一部分，让机器能够说话。

<?php
function mbStrSplit ($string, $len = 1) { //对内容进行分割
$start = 0;
$strlen = mb_strlen($string);
while ($strlen) {
$array[] = mb_substr($string,$start,$len,"utf8");
$string = mb_substr($string, $len, $strlen,"utf8");
$strlen = mb_strlen($string);
}
return $array;
}

function match_chinese($chars,$encoding = 'utf8') //过滤特殊字符串
{
$pattern = ($encoding == 'utf8')?'/[\x{4e00}-\x{9fa5}a-zA-Z0-9,，。 ]/u':'/[\x80-\xFF]/';
preg_match_all($pattern,$chars,$result);
$temp = join('',$result[0]);
return $temp;
}
$str=$post->post_content;
$str = strip_tags($str);
$str = str_replace("、","，",$str); //保留顿号
$str = match_chinese($str);
$zishu = mb_strlen(preg_replace('/\s/','',html_entity_decode(strip_tags($str))),'UTF-8');
$r = mbStrSplit($str, 900);
$qian = "http://tts.baidu.com/text2audio?cuid=baiduid&lan=zh&ctp=1&pdt=311&tex=";
?>
<?php if ($zishu <= 2700): ?>
<video id="langdu" style="display:none">
<source id="source" src="<?php echo $qian.$r[0]; ?>" type="video/mp4">
</video>
<script type="text/javascript">
function playPause() {
var music = document.getElementById('langdu');
var music_btn = document.getElementById('music_btn01');

if (music.paused) {
music.play();
music_btn.src = '<?php bloginfo('template_url'); ?>/images/zanting.png'; //播放图片
var aud = document.getElementById("langdu");
aud.onended = function() {
aud.src = "<?php echo $qian.$r[1]; ?>"
aud.play();
aud.addEventListener("ended", function() {
aud.src = "<?php echo $qian.$r[2]; ?>"
aud.play();
aud.addEventListener("ended", function() {
aud.pause();
}, false);
}, false);
};

} else {
music.pause();
music_btn.src = '<?php bloginfo('template_url'); ?>/images/bofang.png'; //暂停图片
}
}

</script>

<span  style="float: left;
margin-right: 10px;
cursor: pointer;">
<a href="javascript:playPause();"><img src="<?php bloginfo('template_url');
?>/images/bofang.png" width="25" height="25" id="music_btn01" border="0"></a>
</span>

<?php endif; ?>

<?php

function mbStrSplit ($string, $len = 1) { //对内容进行分割

$start = 0;

$strlen = mb_strlen($string);

while ($strlen) {

$array[] = mb_substr($string,$start,$len,"utf8");

$string = mb_substr($string, $len, $strlen,"utf8");

$strlen = mb_strlen($string);

}

return $array;

}

function match_chinese($chars,$encoding = 'utf8') //过滤特殊字符串

{

$pattern = ($encoding == 'utf8')?'/[\x{4e00}-\x{9fa5}a-zA-Z0-9,，。 ]/u':'/[\x80-\xFF]/';

preg_match_all($pattern,$chars,$result);

$temp = join('',$result[0]);

return $temp;

}

$str=$post->post_content;

$str = strip_tags($str);

$str = str_replace("、","，",$str); //保留顿号

$str = match_chinese($str);

$zishu = mb_strlen(preg_replace('/\s/','',html_entity_decode(strip_tags($str))),'UTF-8');

$r = mbStrSplit($str, 900);

$qian = "http://tts.baidu.com/text2audio?cuid=baiduid&lan=zh&ctp=1&pdt=311&tex=";

<?php if ($zishu <= 2700): ?>

<source id="source" src="<?php echo $qian.$r[0]; ?>" type="video/mp4">

</video>

function playPause() {

var music = document.getElementById('langdu');

var music_btn = document.getElementById('music_btn01');

if (music.paused) {

music.play();

music_btn.src = '<?php bloginfo('template_url'); ?>/images/zanting.png'; //播放图片

var aud = document.getElementById("langdu");

aud.onended = function() {

aud.src = "<?php echo $qian.$r[1]; ?>"

aud.play();

aud.addEventListener("ended", function() {

aud.src = "<?php echo $qian.$r[2]; ?>"

aud.play();

aud.addEventListener("ended", function() {

aud.pause();

}, false);

};

} else {

music.pause();

music_btn.src = '<?php bloginfo('template_url'); ?>/images/bofang.png'; //暂停图片

}

</script>

<span style="float: left;

margin-right: 10px;

cursor: pointer;">

<a href="javascript:playPause();"><img src="<?php bloginfo('template_url');

?>/images/bofang.png" width="25" height="25" id="music_btn01" border="0"></a>

</span>

<?php endif; ?>

将以上代码添加到当前所用主题目录下的single.php文…

蓝洛水深

2019年3月30日

083.2K0