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PHP #2

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290 changes: 290 additions & 0 deletions public/funtion.php
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Original file line number Diff line number Diff line change
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<?php

/*
返回值: 连接失败 -108
*/
function mysql_Conn(){
//连接数据库函数
$server_name = "localhost";//数据库IP:端口 默认3306
$username = "weixin"; //数据库账号
$password = "qiao0605";//数据库密码
$dbname = "weixin"; // 数据库名

// 创建连接
$conn = mysqli_connect($server_name, $username, $password, $dbname);

// 检测连接
if (!$conn) {
$output = array(
'data' => mysqli_connect_error(),
'info' => 'MYSQL数据库连接失败', //消息提示，客户端常会用此作为给弹窗信息。
'code' => -108, //成功与失败的代码，一般都是正数或者负数
);
echo(json_encode($output));
exit($output['code']);
}

return $conn;

}

////来源：https://www.wxapp-union.com/portal.php?mod=view&aid=2279&utm_source=blog.csdn
/*
输入值： string：加密的字符串变量

返回值: 连接失败 -108
*/
function strdecode($string) {
$key = md5('011124'); ///加密秘钥
$string = base64_decode($string);
$len = strlen($key);
$code = '';
for ($i = 0; $i < strlen($string); $i++) {
$k = $i % $len;
$code .= $string [$i] ^ $key [$k];
}
return base64_decode($code);
}




function getcurl($url) //curl用法
{
$curl = curl_init(); // 启动一个CURL会话
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_HEADER, 0);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); // 跳过证书检查
// curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, true); // 从证书中检查SSL加密算法是否存在
$tmpInfo = curl_exec($curl); //返回api的json对象
//关闭URL请求
curl_close($curl);
return $tmpInfo;
}

function getOpenId($code) //获取Wx的openID
{

//获取ID https://mp.weixin.qq.com/wxamp/devprofile/get_profile?token=1303764361&lang=zh_CN
$appid = "wxa31da9cde1c3f4d3";//你的ID
$appsecret = "09d27be3fee8c040d320faa04a41b46b";//你的密码
$grant_type = "authorization_code"; //授权（必填）

// 拼接url
$url = "https://api.weixin.qq.com/sns/jscode2session?" . "appid=".$appid."&secret=".$appsecret."&js_code=".$code."&grant_type=".$grant_type;
$tmpInfo=getcurl($url);//curl访问

$json = json_decode($tmpInfo);//对json数据解码
$res = get_object_vars($json);

return $res;

}




/*
返回值: 连接失败 -102
成功 100
查询失败 -106

传入值:
// code: 5分钟临时CODE,
// action: "login",
--------------------
// stuID: 学号

*/
function login($openid) //获取ID 并进行数据库查询
{

$stuID = (trim($_GET['stuID']));
$stuID = strdecode($stuID);

$conn = mysql_Conn();//连接数据库

// 检测连接
if (!$conn){
//die("连接失败: " . mysqli_connect_error());
$info= "连接失败: " . mysqli_connect_error();
return [$result = NULL,$info,-102]; //返回result 和 info 未查询到用户信息的代码-100
}

// 使用 sql 查询记录
//$openid ='oclcY5aHoJVAtcEK5qzBLeoEsU3Q';
$sql = "SELECT * FROM `myguests` WHERE studentID = '$stuID' AND openid = '$openid'";
$result = mysqli_query($conn, $sql);
$result = mysqli_fetch_assoc($result);//影响的结果
mysqli_close($conn);


if ($result!=null) { //如果数据库中存在此用户的信息，则不需要重新获取
$info= "OK";
$a1=array("login"=>true);
$result = array_merge($result,$a1); //添加字段：已注册key regist

return [$result,$info,100]; //返回result 和 info 正确查询到用户信息的代码200
}
else
{
$info= "ERR";
$result=array("studentID"=>NULL,"IDnumber"=>NULL,"name"=>NULL,"telephone"=>NULL,"dormitory"=>NULL,"login"=>false);
return [$result,$info,-106]; //返回result 和 info 未查询到用户信息的代码-104
}
}



/*
返回值: 连接失败 -102
成功 200
已注册 -909
查询失败 -104

传入值:
// code: 5分钟临时CODE,
// action: "query",
--------------------
// stuID: 学号

*/
function query() //获取ID 并进行数据库查询
{
$conn = mysql_Conn();//连接数据库
// 检测连接
if (!$conn){
//die("连接失败: " . mysqli_connect_error());
$info= "连接失败: " . mysqli_connect_error();
return [$result = NULL,$info,-102]; //返回result 和 info 未查询到用户信息的代码-100
}

$stuID = (trim($_GET['stuID']));
$sql = "SELECT * FROM `myguests` WHERE studentID = '$stuID'";
$result = mysqli_query($conn, $sql);
$result = mysqli_fetch_assoc($result);//影响的结果

mysqli_close($conn);

if ($result!=null) { //如果数据库中存在此用户的信息，则返回基本信息

if(empty($result["openid"])){
//如果openID为空 表示账户还未注册

$info= "OK";
$a2=array("query"=>true);
$result = array_merge($result,$a2); //添加字段：未注册key regist
$a2=array("a"=>"purple","b"=>"orange");
return [$result,$info,200]; //返回result 和 info 正确查询到用户信息的代码200

}else{
//如果openID不为空 表示账户已注测
$info = "already register";
$result=array("studentID"=>NULL,"IDnumber"=>NULL,"name"=>NULL,"telephone"=>NULL,"dormitory"=>NULL,"query"=>false);
return [$result,$info,-909]; //返回result 和 info 未查询到用户信息的代码-100
}

}
else
{
$info = "ERR";
$result=array("studentID"=>NULL,"IDnumber"=>NULL,"name"=>NULL,"telephone"=>NULL,"dormitory"=>NULL,"query"=>false);
return [$result,$info,-104]; //返回result 和 info 未查询到用户信息的代码-100
}

}




/*
返回值: 连接失败 -102
成功 300
返回数据失败 -301
用户已经注册 -300


传入值:
// code: 5分钟临时CODE,
// action: "register",
---------------------
// stuID: 学号,
// stuName:姓名,
// phoneNUM:手机号,
// DormitoryNum:宿舍号,
// sqlID:ID

*/
function regist($openid) //绑定ID stuID= 学号
{
//获取GET数据 (加密)
$stuID = (trim($_GET['stuID']));
$stuName = (trim($_GET['stuName']));
$phoneNUM = (trim($_GET['phoneNUM']));
$DormitoryNum = (trim($_GET['DormitoryNum']));
$sqlID = (trim($_GET['sqlID']));
//解密数据
$stuID = strdecode($stuID);
$stuName = strdecode($stuName);
$phoneNUM = strdecode($phoneNUM);
$DormitoryNum = strdecode($DormitoryNum);
$sqlID = strdecode($sqlID);



$conn = mysql_Conn();//连接数据库

// 检测连接
if (!$conn){
//die("连接失败: " . mysqli_connect_error());
$info= "连接失败: " . mysqli_connect_error();
return [$result = NULL,$info,-102]; //返回result 和 info 未查询到用户信息的代码-100
}

$sql1= "UPDATE MyGuests SET openid='$openid' WHERE studentID='$stuID' AND id= '$sqlID' AND openid IS NULL ";
mysqli_query($conn, $sql1) or $info= "查询失败";
$flag=mysqli_affected_rows($conn); //更新成功后，影响行数为 1



if ($flag){


//// 使用 sql 查询记录 返回所有用户信息
$sql = "SELECT * FROM `MyGuests` WHERE openid = '$openid' "; //$openid
$result = mysqli_query($conn, $sql);
$result = mysqli_fetch_assoc($result);//影响的结果
mysqli_close($conn);
if (!$result) {
$info="返回数据失败";
$code = -301;
$result = null;
return [$result,$info,$code];
}

$info= "插入数据段成功: ";
$code = 300;
$a1=array("regist"=>true);
$result = array_merge($result,$a1); //添加字段：已注册key regist


return [$result,$info,$code];
//数据 信息 操作码

}
else {
$info="用户已经注册";
$code = -300;
$result=array("regist"=>false);
return [$result,$info,$code];
//数据 信息 操作码
}





}

?>