要实现ThinkPHP在线翻译功能，需要先在百度开发者中心注册一个API key，具体实现代码如下：
action代码部分：
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<?php
class FanyiAction extends Action {
public function _empty(){
header("HTTP/1.0 404 Not Found");
$this->display("Public:404");
}
public function index()
{
$User = A("Index");
$User->head();
$User->right();
$User->footer();
$this->display();
}
public function fanyi()
{
$value=$_POST['value'];
$from="auto";
$to="auto";
$value_code=urlencode($value);
$appid="xxxxxxxx";//这里填写你在百度上申请的API key
$languageurl = "http://openapi.baidu.com/public/2.0/bmt/translate?client_id=" . $appid ."&q=" .$value_code. "&from=".$from."&to=".$to;
$text=json_decode($this->language_text($languageurl));
$text = $text->trans_result;
$rs=$text[0]->dst;
$this->assign('value',$value);
$this->assign('rs',$rs);
$User = A("Index");
$User->head();
$User->right();
$User->footer();
$this->display(index);
}
public function language_text($url) //获取目标URL所打印的内容
{
if(!function_exists('file_get_contents'))
{
$file_contents = file_get_contents($url);
}
else
{
$ch = curl_init();
$timeout = 5;
curl_setopt ($ch, CURLOPT_URL, $url);
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$file_contents = curl_exec($ch);
curl_close($ch);
}
return $file_contents;
}
}
?>
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html代码部分：
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<div id="content">
<div style="padding:5px;">
<form action="__APP__/fanyi/" method="POST" name="fanyi">
<p>原文：</p>
<textarea name="value" id="yuanwen" rows="10" cols="80" style="padding:5px;width: 661px; height: 217px;">{$value}</textarea>
<input type="submit" class="search-submit" value="翻 译" style="text-align:center;">
<input type="reset" onclick="reset()" class="search-submit" value="清 空" style="text-align:center;">
</form>
<p>译文：</p>
<textarea name="rs" id="yiwen" rows="10" cols="80" style="padding:5px;width: 661px; height: 217px;">{$rs}</textarea> </div>
</div>
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