本文实例为大家分享了php微信高级接口群发、多客服源码，供大家参考，具体内容如下
/**
* 微信接口调用
* 依赖
* 全局变量
* global $uid 公众号用户id, $wid 公众号id, $wechatid 粉丝唯一id;
* 参数
* $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
* $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
* 缓存类 自定义
* Cache:set
* Cache:get
* 具体业务修改
* 1.上传图文信息至微信素材库
* function uploadArticlesToWeiXinServer()
* 2.关键字匹配图文回复
* function getArticleData()
*
* usage:
* $options = array(
* 'token'=>'tokenaccesskey', //填写你设定的key
* 'appid'=>'wxdk1234567890', //填写高级调用功能的app id
* 'appsecret'=>'xxxxxxxxxxxxxxxxxxx', //填写高级调用功能的密钥
* );
*/
class WeiXinTool {
private $appid;
private $appsecret;
private $access_token;
private $mediaType = array('image' => array("jpg"), 'voice' => array('amr', 'MP3'), 'video' => array('mp4'), 'thumb' => array("jpg"));
private $mediaMaxSize = array('image' => 131072, 'voice' => 262144, 'video' => 1048576, 'thumb' => 65536);
private $tem_file_path = "";
// 授权地址
const AUTH_URL = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s';
// 素材上传
const UPLOAD_MEDIA_URL = "http://file.api.weixin.qq.com/cgi-bin/media/upload?access_token=%s&type=%s";
const GET_MEDIA_URL = "http://file.api.weixin.qq.com/cgi-bin/media/get?access_token=%s&media_id=%s";
const UPLOAD_NEWS_URL = "https://api.weixin.qq.com/cgi-bin/media/uploadnews?access_token=%s";
public function __construct($options) {
$this->appid = isset($options['appid']) ? $options['appid'] : '';
$this->appsecret = isset($options['appsecret']) ? $options['appsecret'] : '';
//需修改
//上传图片临时文件目录自定义
$this->tem_file_path = YYUC_FRAME_PATH . YYUC_PUB . '/' . Session::get('upath');
}
/**
* 需修改
* 具体业务需求，图文信息上传至素材库
* 微站文章上传至微信素材
* @param type $wid
* @param type $aid
* @return int
*/
public function uploadArticlesToWeiXinServer($wid, $aid) {
//具体图文组装过程，需修改
$m = new Model('website_article');
$m_pubs = new Model('pubs');
$m_pubs->find(array("id" => $wid));
$m->find(array("wid" => $wid, 'id' => $aid));
$res = array();
if ($m->has_id() && $m_pubs->has_id()) {
$res[] = $m->get_model_array();
// var_dump($res);
$m->votetouser = json_decode($m->votetouser, TRUE);
$articles = $m->votetouser[0];
$m_article = new Model('website_article');
$ress = $m_article->where(array('wid' => $wid, 'id' => $articles))->list_all_array();
$res = array_merge($res, $ress);
} else {
$errarr = array();
$errarr['errcode'] = 44003;
$errarr['errmsg'] = self::$errorno[$errarr['errcode']];
return $errarr;
}
$items = array();
foreach ($res as $k => $v) {
$mediaid = $this->uploadMedia($v['picurl']);
if ($mediaid['media_id']) {
$thumb_media_id = $mediaid['media_id'];
} else {
return $mediaid;
}
$item = array(
"thumb_media_id" => $thumb_media_id,
"author" => $m_pubs->pubun,
"title" => $v['title'],
"content_source_url" => WeiXinTool::complateUrl(WeiSite::parseArticleLinkData($v)),
"content" => $v['reply_content'], //内容 富文本
"digest" => $v['description']//描述
);
$items[] = $item;
}
//以上具体图文组装过程，需修改
$postData['articles'] = $items;
$error = $this->uploadNews($postData);
return $error;
}
/**
* 需修改
* 微站文章关键字匹配数据解析
*/
public static function getArticleData($keyword) {
global $wid;
$m = new Model('website_article');
$m->find(array('wid' => $wid, 'keyword@~' => " " . $keyword . " "));
$res = array();
if ($m->has_id()) {
$res[] = array("tit" => $m->title, "pic" => $m->picurl, "dec" => $m->description, "url" => WeiSite::parseArticleLinkData($m->get_model_array()));
$m->votetouser = json_decode($m->votetouser, TRUE);
$articles = $m->votetouser[0];
if (!empty($articles)) {
foreach ($articles as $v) {
$m_article = new Model('website_article');
$m_article->find(array('wid' => $wid, 'id' => $v));
$res[] = array("tit" => $m_article->title, "pic" => $m_article->picurl, "dec" => $m_article->description, "url" => WeiSite::parseArticleLinkData($m_article->get_model_array()));
}
}
return $res;
}
}
/**
* 获取accesstoken
* @param type $flag 强制刷新accesstoken 开关
* @return type
*/
public function getAccessToken($flag = FALSE) {
$url = sprintf(self::AUTH_URL, $this->appid, $this->appsecret);
$result = Cache::get(md5($url));
if ($flag || empty($result)) {
$result = $this->http_get($url);
$result = json_decode($result, TRUE);
if ($result['errcode']) {
return $result['errcode'];
}
Cache::set(md5($url), $result, 1);
}
$this->access_token = $result['access_token'];
return true;
}
/**
* 上传媒体
* @param type $file 媒体文件 $url或者物理路径地址
* @param type $type 类型
* @return int
* return
array (size=3)
'type' => string 'image' (length=5)
'media_id' => string '-0Lr3rX9mDYBB7i5bDydvwFHHm3zW2Uxt0OoDFBPmGRfYiwckiALqHH_DlP9jCm_' (length=64)
'created_at' => int 1400477181
*/
public function uploadMedia($file, $type = "image") {
$file = self::complateUrl($file);
$urlarr = parse_url($file);
$filetype = explode(".", $urlarr['path']);
$filetype = strtolower($filetype[count($filetype) - 1]);
$resizeSize = 100; //图片处理后另存质量
if (!key_exists($type, $this->mediaType) || !in_array($filetype, $this->mediaType[$type])) {
// return 40005; //格式错误
$errarr = array();
$errarr['errcode'] = 40005;
$errarr['errmsg'] = self::$errorno[$errarr['errcode']];
return $errarr;
}
$temp_file = $this->tem_file_path . 'uploadMedia.' . $filetype;
$temp_file_resize = $this->tem_file_path . 'uploadMediaResize.' . $filetype;
file_put_contents($temp_file, self::http_get($file));
$handle = fopen($temp_file, "r");
$fstat = fstat($handle);
if ($fstat['size'] > $this->mediaMaxSize[$type]) {
$resizeSize = intval($this->mediaMaxSize[$type] / $fstat['size'] * 100);
ImageTool::resizeImage($temp_file_resize, $temp_file, 400, 400, $resizeSize); //图片太大再处理压缩
$temp_file = $temp_file_resize;
// return 40006; //大小错误
}
$filePath = realpath($temp_file);
$uploadUrl = sprintf(self::UPLOAD_MEDIA_URL, $this->access_token, $type);
$postData = array("r" => time(), 'media' => "@{$filePath}");
$result = self::http_post($uploadUrl, $postData);
$result = json_decode($result, TRUE);
return $result;
}
/**
* 群发图文信息
* @param type $touser 粉丝数组/粉丝组id
* @param type $media_id
* @return type
*/
public function sendArticles($touser, $media_id) {
$errarr = array();
$postData = array();
$postData['mpnews'] = array("media_id" => $media_id);
$postData['msgtype'] = "mpnews";
if (is_array($touser)) {
//用户列表群发
$postData['touser'] = $touser;
$url = 'https://api.weixin.qq.com/cgi-bin/message/mass/send?access_token=%s';
} else {
$group = intval($touser);
$groups = $this->getGroups(true);
if (key_exists($group, $groups['list'])) {
$postData['filter'] = array("group_id" => $group);
} else {
$errarr['errcode'] = 40050; //无效分组id
$errarr['errmsg'] = self::$errorno[$errarr['errcode']];
return $errarr;
}
$url = 'https://api.weixin.qq.com/cgi-bin/message/mass/sendall?access_token=%s';
}
$url = sprintf($url, $this->access_token);
$result = self::http_post($url, self::json_encode($postData));
$result = json_decode($result, TRUE);
return $result;
}
/**
* 删除群发信息
* @param type $msgid
* @return type
*/
public function delSend($msgid) {
$url = 'https://api.weixin.qq.com/cgi-bin/message/mass/delete?access_token=%s';
$url = sprintf($url, $this->access_token);
$postData = array('msgid' => $msgid, 'r' => time());
$result = self::http_post($url, self::json_encode($postData));
$result = json_decode($result, TRUE);
return $result;
}
/**
* 群发图文素材上传
$postData = array('articles' => array($item, $item,...));
$item = array(
"thumb_media_id" => "WMQubqCECMQwAjqh8CI500LfhyoG0vmTTlKKJM5oP-of0uLML1_2s26j8XeIorDL",
"author" => "xxx",
"title" => "Happy Day",
"content_source_url" => "www.qq.com",
"content" => "content",
"digest" => "digest"
);
* return
array (size=3)
'type' => string 'news' (length=4)
'media_id' => string 'OuXqv2dgZzxAmK4z-tvStgr6InG18oIllWkD6Tj1qJZVRg-2f64FDU2D3J7dptHs' (length=64)
'created_at' => int 1400477183
*/
public function uploadNews($postData) {
$uploadUrl = sprintf(self::UPLOAD_NEWS_URL, $this->access_token);
$result = self::http_post($uploadUrl, self::json_encode($postData));
$result = json_decode($result, TRUE);
return $result;
}
/**
* 获取粉丝列表
* @param type $nextOpenId
* @return type
*/
public function getAllConnects($nextOpenId = "") {
$url = 'https://api.weixin.qq.com/cgi-bin/user/get?access_token=%s&next_openid=%s';
$url = sprintf($url, $this->access_token, $nextOpenId);
$result = self::http_get($url);
$result = json_decode($result, TRUE);
$count = count($result['data']['openid']);
$list = $result['data']['openid'];
if ($result['data']['openid'][$count - 1] == $result['next_openid']) {
return $result['data']['openid'];
} else {
$templist = $this->getAllConnects($result['next_openid']);
$list = array_merge($list, $templist);
return $list;
}
}
/**
* 根据粉丝唯一id获取微信信息
* @param type $openid
* @return type
*/
public function getFansInfo($openid) {
$url = 'https://api.weixin.qq.com/cgi-bin/user/info?access_token=%s&openid=%s&lang=zh_CN';
$url = sprintf($url, $this->access_token, $openid);
$result = self::http_get($url);
$result = json_decode($result, TRUE);
return $result;
}
/**
* 更新粉丝组信息
* @param type $openid
* @param type $groupid
* @return type
*/
public function updateFansGroups($openid, $groupid) {
$url = 'https://api.weixin.qq.com/cgi-bin/groups/members/update?access_token=%s';
$url = sprintf($url, $this->access_token);
$postData = array("to_groupid" => $groupid, 'openid' => $openid);
$result = self::http_post($url, self::json_encode($postData));
$result = json_decode($result, TRUE);
$this->getGroups(true);
return $result;
}
/**
* 获取粉丝组信息
* @param type $openid
* @return type
*/
public function getFansGroupInfo($openid) {
$url = 'https://api.weixin.qq.com/cgi-bin/groups/getid?access_token=%s';
$url = sprintf($url, $this->access_token);
$postData = array("r" => time(), 'openid' => $openid);
$result = self::http_post($url, self::json_encode($postData));
$result = json_decode($result, TRUE);
return $result['groupid'];
}
/**
* 获取唯一key
* @param type $key
* @return type
*/
public function getKey($key) {
return md5($this->appid . $this->appsecret . $key);
}
/**
* 获取媒体图片到本地
* @param type $mediaid
* @return string
*/
public function getMedia($mediaid) {
$url = sprintf(self::GET_MEDIA_URL, $this->access_token, $mediaid);
$result = self::http_get($url);
$temp_file = $this->tem_file_path . 'getMedia.jpg';
file_put_contents($temp_file, $result);
return $temp_file;
}
/**
* 用户组
* @param type $flag 强制刷新用户组
* @return type
*/
public function getGroups($flag = false) {
$key = $this->appid . 'gasdfev' . $this->appsecret;
$result = Cache::get($key);
if (empty($result) || $flag) {
$url = 'https://api.weixin.qq.com/cgi-bin/groups/get?access_token=%s';
$url = sprintf($url, $this->access_token);
$result = self::http_get($url);
$result = json_decode($result, TRUE);
$temg = array();
$temlist = array();
foreach ($result['groups'] as $k => $v) {
$temg[$v['id']] = $v;
$temlist[$v['id']] = $v['name'];
}
$result['map'] = $temg;
$result['list'] = $temlist;
Cache::set($key, $result);
}
return $result;
}
/**
* 新增用户组
* @param type $name
* @return type
*/
public function createGroup($name) {
$url = 'https://api.weixin.qq.com/cgi-bin/groups/create?access_token=%s';
$url = sprintf($url, $this->access_token);
$result = self::http_post($url, self::json_encode(array('group' => array('name' => $name))));
$result = json_decode($result, TRUE);
return $result;
}
/**
* 修改用户组
* @param type $id
* @param type $name
* @return type
*/
public function modifyGroup($id, $name) {
$url = 'https://api.weixin.qq.com/cgi-bin/groups/update?access_token=%s';
$url = sprintf($url, $this->access_token);
$result = self::http_post($url, self::json_encode(array('group' => array('id' => $id, 'name' => $name))));
$result = json_decode($result, TRUE);
return $result;
}
/**
* 多客服接入
* @global type $wid
* @param type $postObj
*/
public static function responseService($postObj) {
global $wid;
$fromUsername = $postObj->FromUserName;
$toUsername = $postObj->ToUserName;
$textTpl = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[transfer_customer_service]]></MsgType>
</xml>";
$resstr = sprintf($textTpl, $fromUsername, $toUsername, time());
echo $resstr;
}
/**
* 微信回复多图文
* @global type $wid
* @param type $res
* array(array(),array()
* );
* @param type $rid
* @param type $postObj
*/
public static function response_morearts($res, $postObj) {
global $wid;
$fromUsername = $postObj->FromUserName;
$toUsername = $postObj->ToUserName;
$textTpl = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[%s]]></MsgType>
<ArticleCount>%s</ArticleCount>
<Articles>
ITEM
</Articles>
</xml>";
$resstr = sprintf($textTpl, $fromUsername, $toUsername, time(), "news", count($res));
$item = '';
$subitem = "<item>
<Title><![CDATA[%s]]></Title>
<Description><![CDATA[%s]]></Description>
<PicUrl><![CDATA[%s]]></PicUrl>
<Url><![CDATA[%s]]></Url>
</item>";
foreach ($res as $r) {
$r['url'] = self::parseUrl($r['url']);
$item .= sprintf($subitem, $r['tit'], $r['des'], self::complateUrl($r['pic']), self::replaceToWXUrl(self::complateUrl($r['url']), $postObj));
}
$resstr = str_replace('ITEM', $item, $resstr);
echo $resstr;
}
/**
* url解析
* @param type $url
* @return string
*/
public static function complateUrl($url) {
if (false === stristr($url, "http://")) {//查找http:// 如果不存在
if (0 === strpos($url, '/')) {//查找首字母 如果存在
$url = substr($url, 1); //去除/
}
$url = "http://" . $_SERVER['HTTP_HOST'] . '/' . $url; //拼接完整路径
}
return $url;
}
/**
* 微信url固定参数替换
* @param type $url
* @param type $postObj
* @return type
*/
public static function replaceToWXUrl($url, $postObj) {
global $wechatid;
return str_ireplace('fromUsername', $wechatid, $url);
}
/**
* 完成以下行为
* parseUrlParam
* setUrlPublicParam
* buildUrlParam
* @param type $url
* @param type $other 附加参数 基础参数wid wxid wechatid
*/
public static function parseUrl($url, $other = array()) {
$url = self::parseUrlParam($url);
$url = self::setUrlPublicParam($url);
if (is_array($other) && !empty($other)) {
$url['param'] = array_merge($url['param'], $other);
}
$url = self::buildUrlParam($url);
return $url;
}
/**
* 分析url
* @param type $url
* @return type
*/
public static function parseUrlParam($url) {
$temp = explode("?", $url);
$url0 = $temp[0];
$url1 = $temp[1];
$p = explode("&", $url1);
$param = array();
foreach ($p as $v) {
$tempp = explode("=", $v);
$param[$tempp[0]] = $tempp[1];
}
return array("url" => $url0, "param" => $param);
}
/**
* 组装url
* @param type $arr
* @return type
*/
public static function buildUrlParam($arr) {
$url = $arr['url'];
$param = $arr['param'];
$param_arr = array();
foreach ($param as $k => $v) {
if ($k == "") continue;
$param_arr[] = $k . "=" . $v;
}
return $url . "?" . implode("&", $param_arr) . "#mp.weixin.qq.com";
}
/**
* 设置微信保留参数信息
* @global type $uid
* @global type $wid
* @global type $wechatid
* @param type $url
* @return type
*/
public static function setUrlPublicParam($url) {
global $uid, $wid, $wechatid;
$url['param']['wid'] = $wid;
$url['param']['wxid'] = $wechatid;
$url['param']['wechatid'] = $wechatid;
return $url;
}
public static $errorno = array(
'-1' => '系统繁忙',
'0' => '请求成功',
'40001' => '获取access_token时AppSecret错误，或者access_token无效',
'40002' => '不合法的凭证类型',
'40003' => '不合法的OpenID',
'40004' => '不合法的媒体文件类型',
'40005' => '不合法的文件类型',
'40006' => '不合法的文件大小',
'40007' => '不合法的媒体文件id',
'40008' => '不合法的消息类型',
'40009' => '不合法的图片文件大小',
'40010' => '不合法的语音文件大小',
'40011' => '不合法的视频文件大小',
'40012' => '不合法的缩略图文件大小',
'40013' => '不合法的APPID',
'40014' => '不合法的access_token',
'40015' => '不合法的菜单类型',
'40016' => '不合法的按钮个数',
'40017' => '不合法的按钮个数',
'40018' => '不合法的按钮名字长度',
'40019' => '不合法的按钮KEY长度',
'40020' => '不合法的按钮URL长度',
'40021' => '不合法的菜单版本号',
'40022' => '不合法的子菜单级数',
'40023' => '不合法的子菜单按钮个数',
'40024' => '不合法的子菜单按钮类型',
'40025' => '不合法的子菜单按钮名字长度',
'40026' => '不合法的子菜单按钮KEY长度',
'40027' => '不合法的子菜单按钮URL长度',
'40028' => '不合法的自定义菜单使用用户',
'40029' => '不合法的oauth_code',
'40030' => '不合法的refresh_token',
'40031' => '不合法的openid列表',
'40032' => '不合法的openid列表长度',
'40033' => '不合法的请求字符，不能包含\uxxxx格式的字符',
'40035' => '不合法的参数',
'40038' => '不合法的请求格式',
'40039' => '不合法的URL长度',
'40050' => '不合法的分组id',
'40051' => '分组名字不合法',
'40059' => '不合法的消息id',
'41001' => '缺少access_token参数',
'41002' => '缺少appid参数',
'41003' => '缺少refresh_token参数',
'41004' => '缺少secret参数',
'41005' => '缺少多媒体文件数据',
'41006' => '缺少media_id参数',
'41007' => '缺少子菜单数据',
'41008' => '缺少oauth code',
'41009' => '缺少openid',
'42001' => 'access_token超时',
'42002' => 'refresh_token超时',
'42003' => 'oauth_code超时',
'43001' => '需要GET请求',
'43002' => '需要POST请求',
'43003' => '需要HTTPS请求',
'43004' => '需要接收者关注',
'43005' => '需要好友关系',
'44001' => '多媒体文件为空',
'44002' => 'POST的数据包为空',
'44003' => '图文消息内容为空',
'44004' => '文本消息内容为空',
'45001' => '多媒体文件大小超过限制',
'45002' => '消息内容超过限制',
'45003' => '标题字段超过限制',
'45004' => '描述字段超过限制',
'45005' => '链接字段超过限制',
'45006' => '图片链接字段超过限制',
'45007' => '语音播放时间超过限制',
'45008' => '图文消息超过限制',
'45009' => '接口调用超过限制',
'45010' => '创建菜单个数超过限制',
'45015' => '回复时间超过限制',
'45016' => '系统分组，不允许修改',
'45017' => '分组名字过长',
'45018' => '分组数量超过上限',
'46001' => '不存在媒体数据',
'46002' => '不存在的菜单版本',
'46003' => '不存在的菜单数据',
'46004' => '不存在的用户',
'47001' => '解析JSON/XML内容错误',
'48001' => 'api功能未授权',
'50001' => '用户未授权该api'
);
/**
* GET 请求
* @param string $url
*/
public static function http_get($url) {
if (!function_exists('curl_init')) {
die('curl 未开启');
};
$oCurl = curl_init();
if (stripos($url, "https://") !== FALSE) {
curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, FALSE);
}
curl_setopt($oCurl, CURLOPT_URL, $url);
curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1);
$sContent = curl_exec($oCurl);
$aStatus = curl_getinfo($oCurl);
curl_close($oCurl);
if (intval($aStatus["http_code"]) == 200) {
return $sContent;
} else {
return false;
}
}
/**
* POST 请求
* @param string $url
* @param array $param
* @return string content
*/
public static function http_post($url, $param, $httpBuildQuery = false) {
if (!function_exists('curl_init')) {
die('curl 未开启');
};
$oCurl = curl_init();
if (stripos($url, "https://") !== FALSE) {
curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, false);
}
curl_setopt($oCurl, CURLOPT_URL, $url);
curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1);
// curl_setopt($oCurl, CURLOPT_HTTPHEADER, $header);//设置HTTP头
curl_setopt($oCurl, CURLOPT_POST, 1);
if ($httpBuildQuery) {
$param = http_build_query($param);
}
curl_setopt($oCurl, CURLOPT_POSTFIELDS, $param);
$sContent = curl_exec($oCurl);
$aStatus = curl_getinfo($oCurl);
curl_close($oCurl);
if (intval($aStatus["http_code"]) == 200) {
return $sContent;
} else {
return false;
}
}
/**
* 微信api不支持中文转义的json结构
* @param array $arr
*/
static function json_encode($arr) {
$parts = array();
$is_list = false;
//Find out if the given array is a numerical array
$keys = array_keys($arr);
$max_length = count($arr) - 1;
if (($keys [0] === 0) && ($keys [$max_length] === $max_length )) { //See if the first key is 0 and last key is length - 1
$is_list = true;
for ($i = 0; $i < count($keys); $i ++) { //See if each key correspondes to its position
if ($i != $keys [$i]) { //A key fails at position check.
$is_list = false; //It is an associative array.
break;
}
}
}
foreach ($arr as $key => $value) {
if (is_array($value)) { //Custom handling for arrays
if ($is_list) $parts [] = self::json_encode($value); /* :RECURSION: */
else $parts [] = '"' . $key . '":' . self::json_encode($value); /* :RECURSION: */
} else {
$str = '';
if (!$is_list) $str = '"' . $key . '":';
//Custom handling for multiple data types
if (is_numeric($value) && $value < 2000000000) $str .= $value; //Numbers
elseif ($value === false) $str .= 'false'; //The booleans
elseif ($value === true) $str .= 'true';
else $str .= '"' . addslashes($value) . '"';
//All other things
// :TODO: Is there any more datatype we should be in the lookout for? (Object?)
$parts [] = $str;
}
}
$json = implode(',', $parts);
if ($is_list) return '[' . $json . ']'; //Return numerical JSON
return '{' . $json . '}'; //Return associative JSON
}
}
以上就是本文的全部内容，希望对大家学习php程序设计有所帮助。
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